{"id":1824,"date":"2026-08-05T09:49:46","date_gmt":"2026-08-05T09:49:46","guid":{"rendered":"https:\/\/haktak.com\/?p=1824"},"modified":"2026-08-05T09:49:50","modified_gmt":"2026-08-05T09:49:50","slug":"thermal-grease-pump-out","status":"publish","type":"post","link":"https:\/\/haktak.com\/vi\/thermal-grease-pump-out\/","title":{"rendered":"Hi\u1ec7n t\u01b0\u1ee3ng b\u01a1m h\u1ebft m\u1ee1 t\u1ea3n nhi\u1ec7t: Nguy\u00ean nh\u00e2n, r\u1ee7i ro v\u00e0 gi\u1ea3i ph\u00e1p"},"content":{"rendered":"

Hi\u1ec7n t\u01b0\u1ee3ng b\u01a1m tr\u00f4i m\u1ee1 t\u1ea3n nhi\u1ec7t l\u00e0 qu\u00e1 tr\u00ecnh m\u1ee1 d\u1ea7n d\u1ea7n di chuy\u1ec3n ra kh\u1ecfi v\u00f9ng ti\u1ebfp x\u00fac ho\u1ea1t \u0111\u1ed9ng gi\u1eefa m\u1ed9t linh ki\u1ec7n n\u00f3ng v\u00e0 b\u1ed9 t\u1ea3n nhi\u1ec7t c\u1ee7a n\u00f3. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y th\u01b0\u1eddng do c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 s\u1ef1 gi\u00e3n n\u1edf, co l\u1ea1i, bi\u1ebfn d\u1ea1ng, rung \u0111\u1ed9ng ho\u1eb7c thay \u0111\u1ed5i \u00e1p su\u1ea5t ti\u1ebfp x\u00fac l\u1eb7p \u0111i l\u1eb7p l\u1ea1i g\u00e2y ra. Nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng n\u00e0y t\u1ea1o ra l\u1ef1c c\u1eaft trong l\u1edbp v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t (TIM) m\u1ecfng. C\u00f4ng th\u1ee9c c\u1ee7a ch\u1ea5t b\u00f4i tr\u01a1n v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a l\u1edbp li\u00ean k\u1ebft s\u1ebd quy\u1ebft \u0111\u1ecbnh li\u1ec7u v\u1eadt li\u1ec7u n\u00e0y c\u00f3 gi\u1eef nguy\u00ean v\u1ecb tr\u00ed, tr\u01b0\u1ee3t d\u1ea7n v\u1ec1 ph\u00eda m\u00e9p hay h\u00ecnh th\u00e0nh c\u00e1c kho\u1ea3ng tr\u1ed1ng.<\/p>\n\n\n\n

\"thermal-grease-pump-out\"<\/figure>\n\n\n\n

H\u1eadu qu\u1ea3 c\u00f3 th\u1ec3 l\u00e0 tr\u1edf kh\u00e1ng nhi\u1ec7t t\u0103ng cao, \u0111i\u1ec3m n\u00f3ng ng\u00e0y c\u00e0ng lan r\u1ed9ng, ti\u1ebfng \u1ed3n qu\u1ea1t, hi\u1ec7n t\u01b0\u1ee3ng gi\u1ea3m t\u1ed1c, \u00f4 nhi\u1ec5m v\u00e0 tu\u1ed5i th\u1ecd linh ki\u1ec7n b\u1ecb r\u00fat ng\u1eafn. Kh\u00f4ng c\u00f3 gi\u1ea3i ph\u00e1p kh\u1eafc ph\u1ee5c ch\u1ec9 trong m\u1ed9t b\u01b0\u1edbc. M\u1ed9t gi\u1ea3i ph\u00e1p b\u1ec1n v\u1eefng c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn ch\u1ea5t b\u00f4i tr\u01a1n, c\u1eb7n b\u00e1m, h\u1ec7 th\u1ed1ng k\u1eb9p, b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, c\u1ea5u h\u00ecnh nhi\u1ec7t ho\u1eb7c \u0111\u1ecbnh d\u1ea1ng ch\u1ea5t d\u1eabn nhi\u1ec7t (TIM) kh\u00e1c. T\u0103ng \u00e1p l\u1ef1c ho\u1eb7c s\u1eed d\u1ee5ng ch\u1ea5t b\u00f4i tr\u01a1n d\u00e0y h\u01a1n c\u00f3 th\u1ec3 h\u1eefu \u00edch trong m\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf, nh\u01b0ng c\u1ea3 hai c\u0169ng c\u00f3 th\u1ec3 l\u00e0m t\u00ecnh h\u00ecnh tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n. C\u1ea7n ph\u1ea3i xem x\u00e9t to\u00e0n b\u1ed9 c\u1ee5m l\u1eafp r\u00e1p.<\/p>\n\n\n\n

\u201cB\u01a1m x\u1ea3 m\u1ee1 t\u1ea3n nhi\u1ec7t\u201d l\u00e0 g\u00ec?<\/h2>\n\n\n\n

Giao di\u1ec7n grease tr\u00f4ng r\u1ea5t \u0111\u01a1n gi\u1ea3n: ngu\u1ed3n nhi\u1ec7t -> l\u1edbp m\u00e0ng m\u1ee1 m\u1ecfng -> b\u1ed9 t\u1ea3n nhi\u1ec7t ho\u1eb7c t\u1ea5m l\u00e0m m\u00e1t<\/strong>. Tr\u00ean th\u1ef1c t\u1ebf, c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00f3 kh\u00f4ng ho\u00e0n to\u00e0n \u0111\u1ee9ng y\u00ean. C\u00e1c g\u00f3i linh ki\u1ec7n, t\u1ea5m \u0111\u1ebf, t\u1ea5m l\u00e0m m\u00e1t, b\u1ed9 t\u1ea3n nhi\u1ec7t v\u00e0 b\u1ea3ng m\u1ea1ch in (PCB) \u0111\u1ec1u gi\u00e3n n\u1edf v\u1edbi m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau. Ngay c\u1ea3 nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng nh\u1ecf nh\u1ea5t c\u0169ng c\u00f3 \u1ea3nh h\u01b0\u1edfng trong m\u1ed9t l\u1edbp m\u1ee1 b\u00f4i tr\u01a1n r\u1ea5t m\u1ecfng.<\/p>\n\n\n\n

Trong m\u1ed7i chu k\u1ef3, b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac b\u1ecb n\u00e9n ho\u1eb7c b\u1ecb c\u1eaft. M\u1ee1 b\u00f4i tr\u01a1n c\u00f3 th\u1ec3 di chuy\u1ec3n t\u1eeb v\u00f9ng n\u00f3ng nh\u1ea5t, t\u00edch t\u1ee5 g\u1ea7n m\u00e9p ngo\u00e0i v\u00e0 \u0111\u1ec3 l\u1ea1i ph\u1ea7n trung t\u00e2m m\u1ecfng ho\u1eb7c tr\u1ed1ng tr\u01a1n. C\u00e1c khe h\u1edf nh\u1ecf c\u00f3 th\u1ec3 h\u1ee3p l\u1ea1i v\u1edbi nhau, do \u0111\u00f3 hi\u1ec7u qu\u1ea3 l\u00e0m m\u00e1t c\u00f3 th\u1ec3 r\u1ea5t t\u1ed1t v\u00e0o ng\u00e0y \u0111\u1ea7u ti\u00ean nh\u01b0ng s\u1ebd k\u00e9m \u0111i sau nhi\u1ec1u chu k\u1ef3.<\/p>\n\n\n\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t chi\u1ebfc b\u00e1nh sandwich b\u1ecb u\u1ed1n cong \u0111i u\u1ed1n cong l\u1ea1i nhi\u1ec1u l\u1ea7n. Ph\u1ea7n nh\u00e2n t\u1eeb t\u1eeb b\u1ecb \u0111\u1ea9y v\u1ec1 ph\u00eda l\u1edbp v\u1ecf, d\u00f9 kh\u00f4ng ai c\u1ed1 \u00fd l\u1ea5y n\u00f3 ra. \u0110\u00f3 ch\u00ednh l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u201cb\u01a1m ra\u201d c\u01a1 b\u1ea3n. \u0110\u00e2y l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh di chuy\u1ec3n d\u1ea7n d\u1ea7n, ch\u1ee9 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 do l\u01b0\u1ee3ng h\u1ed7n h\u1ee3p qu\u00e1 nhi\u1ec1u b\u1ecb tr\u00e0n ra ngo\u00e0i trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p \u201cPump-Out\u201d so v\u1edbi \u201cDry-Out\u201d, \u201cSqueeze-Out\u201d v\u00e0 \u0111\u1ed9 bao ph\u1ee7 ban \u0111\u1ea7u k\u00e9m<\/h3>\n\n\n\n

C\u00e1c d\u1ea1ng h\u1ecfng h\u00f3c n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ed9p chung l\u1ea1i v\u00ec ch\u00fang c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i d\u1ea5u v\u1ebft th\u00e1o d\u1ee1 t\u01b0\u01a1ng t\u1ef1 nhau. Tuy nhi\u00ean, ch\u00fang kh\u00f4ng ph\u1ea3i l\u00e0 c\u00f9ng m\u1ed9t v\u1ea5n \u0111\u1ec1.<\/p>\n\n\n\n

Ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c<\/strong><\/td>Khi \u0111i\u1ec1u \u0111\u00f3 x\u1ea3y ra<\/strong><\/td>M\u00f4 h\u00ecnh \u0111i\u1ec3n h\u00ecnh<\/strong><\/td>Y\u1ebfu t\u1ed1 ch\u00ednh<\/strong><\/td><\/tr>
H\u00fat ch\u1ea5t th\u1ea3i<\/td>Trong c\u00e1c chu k\u1ef3 v\u1eadn h\u00e0nh l\u1eb7p \u0111i l\u1eb7p l\u1ea1i<\/td>Ph\u1ea7n gi\u1eefa m\u1ecfng ho\u1eb7c tr\u1ed1ng tr\u01a1n, trong khi ph\u1ea7n m\u00e9p d\u00e0y l\u00ean<\/td>S\u1ef1 kh\u00f4ng kh\u1edbp CTE, bi\u1ebfn d\u1ea1ng cong v\u00eanh, \u1ee9ng su\u1ea5t c\u1eaft tu\u1ea7n ho\u00e0n<\/td><\/tr>
Qu\u00e1 tr\u00ecnh l\u00e0m kh\u00f4<\/td>Theo th\u1eddi gian khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t<\/td>C\u1eb7n c\u1ee9ng, n\u1ee9t n\u1ebb ho\u1eb7c ch\u1ee9a nhi\u1ec1u ch\u1ea5t \u0111\u1ed9n<\/td>M\u1ea5t t\u00edn hi\u1ec7u mang, r\u00f2 r\u1ec9 d\u1ea7u, qu\u00e1 tr\u00ecnh oxy h\u00f3a, hi\u1ec7n t\u01b0\u1ee3ng t\u00e1ch l\u1edbp<\/td><\/tr>
Ch\u00ednh s\u00e1ch mua l\u1ea1i to\u00e0n b\u1ed9 c\u1ed5 ph\u1ea7n<\/td>Trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t ban \u0111\u1ea7u<\/td>Tr\u00e0n v\u00f9ng l\u00e2n c\u1eadn ngay l\u1eadp t\u1ee9c<\/td>L\u01b0\u1ee3ng ch\u1ea5t b\u00f4i tr\u01a1n d\u01b0 th\u1eeba, l\u1ef1c k\u1eb9p qu\u00e1 l\u1edbn ho\u1eb7c \u0111\u1ed9 nh\u1edbt qu\u00e1 th\u1ea5p<\/td><\/tr>
Ph\u1ea1m vi bao ph\u1ee7 ban \u0111\u1ea7u c\u00f2n h\u1ea1n ch\u1ebf<\/td>T\u1eeb l\u1ea7n v\u1eadn h\u00e0nh \u0111\u1ea7u ti\u00ean<\/td>Khu v\u1ef1c kh\u00f4 h\u1ea1n t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng kh\u00f4ng c\u00f3 l\u1ecbch s\u1eed di c\u01b0<\/td>M\u1eabu ph\u00e2n b\u1ed1, \u0111\u1ed9 ph\u1eb3ng ho\u1eb7c sai s\u1ed1 l\u1eafp \u0111\u1eb7t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

M\u1ed9t s\u1ed1 hi\u1ec7n t\u01b0\u1ee3ng c\u00f3 th\u1ec3 x\u1ea3y ra \u0111\u1ed3ng th\u1eddi. Ch\u1ea5t b\u00f4i tr\u01a1n c\u00f3 th\u1ec3 ban \u0111\u1ea7u b\u1ecb di chuy\u1ec3n v\u00e0 sau \u0111\u00f3 kh\u00f4 l\u1ea1i \u1edf m\u00e9p ti\u1ebfp x\u00fac. Vi\u1ec7c l\u1eafp \u0111\u1eb7t kh\u00f4ng \u0111\u00fang c\u00e1ch c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn ch\u1ea5t b\u00f4i tr\u01a1n b\u1ecb r\u00f2 r\u1ec9 ra ngo\u00e0i d\u1ec5 d\u00e0ng h\u01a1n. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao ch\u1ec9 m\u1ed9t b\u1ee9c \u1ea3nh kh\u00f4ng th\u1ec3 ch\u1ee9ng minh \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5. L\u1ecbch s\u1eed nhi\u1ec7t \u0111\u1ed9, h\u00ecnh h\u1ecdc l\u1eafp r\u00e1p v\u00e0 t\u00ecnh tr\u1ea1ng v\u1eadt li\u1ec7u \u0111\u1ec1u c\u00f3 vai tr\u00f2 quan tr\u1ecdng. \u0110\u1ed1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u b\u1ea3o tr\u00ec chung, h\u01b0\u1edbng d\u1eabn v\u1ec1 Keo t\u1ea3n nhi\u1ec7t c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c trong bao l\u00e2u?<\/a> gi\u00fap ph\u00e2n bi\u1ec7t qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a t\u1ef1 nhi\u00ean v\u1edbi t\u00ecnh tr\u1ea1ng suy gi\u1ea3m do ho\u1ea1t \u0111\u1ed9ng th\u1ec3 ch\u1ea5t g\u00e2y ra.<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o s\u1ef1 kh\u00f4ng kh\u1edbp CTE v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng cong v\u00eanh khi\u1ebfn m\u1ee1 b\u00f4i tr\u01a1n b\u1ecb r\u00f2 r\u1ec9 ra ngo\u00e0i<\/h2>\n\n\n\n
\"How<\/figure>\n\n\n\n

C\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau gi\u00e3n n\u1edf v\u1edbi m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau<\/h3>\n\n\n\n

H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (CTE) m\u00f4 t\u1ea3 s\u1ef1 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc theo nhi\u1ec7t \u0111\u1ed9. Silicon, \u0111\u1ed3ng, nh\u00f4m, g\u1ed1m s\u1ee9, v\u1ecf b\u1ecdc h\u1eefu c\u01a1 v\u00e0 b\u1ea3ng m\u1ea1ch FR-4 c\u00f3 c\u00e1c gi\u00e1 tr\u1ecb CTE v\u00e0 gi\u1edbi h\u1ea1n kh\u00e1c nhau.<\/p>\n\n\n\n

Khi m\u1ed9t c\u1ee5m linh ki\u1ec7n n\u00f3ng l\u00ean, t\u1ea5m n\u1ec1n v\u00e0 v\u1ecf b\u1ecdc c\u1ee7a n\u00f3 s\u1ebd c\u1ed1 g\u1eafng gi\u00e3n n\u1edf v\u1edbi m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau. C\u00e1c chi ti\u1ebft c\u1ed1 \u0111\u1ecbnh ng\u0103n ch\u1eb7n chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 do, do \u0111\u00f3 d\u1eabn \u0111\u1ebfn s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a \u1ee9ng su\u1ea5t, hi\u1ec7n t\u01b0\u1ee3ng cong v\u00eanh ho\u1eb7c tr\u01b0\u1ee3t vi m\u00f4 t\u1ea1i v\u00f9ng ti\u1ebfp x\u00fac nhi\u1ec7t (TIM). Qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t s\u1ebd \u0111\u1ea3o ng\u01b0\u1ee3c h\u01b0\u1edbng n\u00e0y. Do \u0111\u00f3, ch\u1ea5t b\u00f4i tr\u01a1n ph\u1ea3i ch\u1ecbu t\u1ea3i tr\u1ecdng c\u01a1 h\u1ecdc, ch\u1ee9 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 nhi\u1ec7t.<\/p>\n\n\n\n

Do \u0111\u00f3, ch\u1ec9 d\u1ef1a v\u00e0o nhi\u1ec7t \u0111\u1ed9 th\u00f4i l\u00e0 ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 gi\u1ea3i th\u00edch hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y. M\u1ed9t b\u1ec1 m\u1eb7t ti\u1ebfp gi\u00e1p n\u00f3ng \u1ed5n \u0111\u1ecbnh c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n so v\u1edbi b\u1ec1 m\u1eb7t ti\u1ebfp gi\u00e1p thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 trong m\u1ed9t d\u1ea3i r\u1ed9ng c\u1ee9 sau v\u00e0i ph\u00fat. Bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng, t\u1ed1c \u0111\u1ed9 gia nhi\u1ec7t, h\u00ecnh h\u1ecdc v\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u1ed1 \u0111\u1ecbnh \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n\n\n\n

Hi\u1ec7n t\u01b0\u1ee3ng cong v\u00eanh c\u1ee7a t\u1ea5m \u0111\u1ebf v\u00e0 t\u1ea5m l\u00e0m m\u00e1t<\/h3>\n\n\n\n

C\u00e1c m\u00f4-\u0111un IGBT ho\u1eb7c SiC c\u1ee1 l\u1edbn gi\u00fap ta d\u1ec5 h\u00ecnh dung hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y. S\u1ef1 ph\u00e2n b\u1ed1 nhi\u1ec7t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u00f3 th\u1ec3 l\u00e0m cong t\u1ea5m \u0111\u1ebf, trong khi t\u1ea5m l\u00e0m m\u00e1t l\u1ea1i c\u00f3 \u0111\u1ed9 d\u1ed1c v\u00e0 \u0111\u1ed9 c\u1ee9ng ri\u00eang. Kho\u1ea3ng c\u00e1ch gi\u1eefa ch\u00fang c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng \u1edf m\u1ed9t khu v\u1ef1c trong khi l\u1ea1i thu h\u1eb9p \u1edf khu v\u1ef1c kh\u00e1c.<\/p>\n\n\n\n

Kho\u1ea3ng h\u1edf thay \u0111\u1ed5i \u0111\u00f3 ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 m\u1ed9t m\u00e1y b\u01a1m \u00e1p su\u1ea5t th\u1ea5p. L\u1ef1c n\u00e9n \u0111\u1ea9y m\u1ee1 ra ngo\u00e0i, trong khi qu\u00e1 tr\u00ecnh gi\u00e3n n\u1edf c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c v\u00f9ng y\u1ebfu b\u1ecb thi\u1ebfu m\u1ee1. C\u00e1c di\u1ec7n t\u00edch ti\u1ebfp x\u00fac l\u1edbn l\u00e0m t\u0103ng c\u01b0\u1eddng c\u00e1c sai s\u1ed1 ph\u1eb3ng nh\u1ecf, do \u0111\u00f3 m\u1ed9t m\u00f4-\u0111un tr\u00f4ng c\u00f3 v\u1ebb ph\u1eb3ng khi ki\u1ec3m tra tr\u00ean b\u00e0n th\u00ed nghi\u1ec7m c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng kh\u00e1c \u0111i khi ch\u1ecbu t\u1ea3i \u0111\u1ea7y \u0111\u1ee7.<\/p>\n\n\n\n

L\u1ef1c c\u1eaft tu\u1ea7n ho\u00e0n trong l\u1edbp li\u00ean k\u1ebft m\u1ecfng<\/h3>\n\n\n\n

Ch\u1ea5t b\u00f4i tr\u01a1n ph\u1ea3i bao ph\u1ee7 c\u00e1c khuy\u1ebft \u0111i\u1ec3m b\u1ec1 m\u1eb7t \u0111\u1ed3ng th\u1eddi duy tr\u00ec t\u00ednh li\u00ean t\u1ee5c tr\u00ean to\u00e0n b\u1ed9 khu v\u1ef1c ho\u1ea1t \u0111\u1ed9ng. Chuy\u1ec3n \u0111\u1ed9ng ngang t\u01b0\u01a1ng \u0111\u1ed1i s\u1ebd k\u00e9o l\u1edbp m\u1ecfng \u0111\u00f3 qua l\u1ea1i. N\u1ebfu v\u1eadt li\u1ec7u d\u1ec5 d\u00e0ng bi\u1ebfn d\u1ea1ng v\u00e0 kh\u00f4ng ph\u1ee5c h\u1ed3i c\u1ea5u tr\u00fac ban \u0111\u1ea7u, n\u00f3 s\u1ebd x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng tr\u01b0\u1ee3t ch\u1eadm. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu v\u1eadt li\u1ec7u c\u1ea3n tr\u1edf chuy\u1ec3n \u0111\u1ed9ng qu\u00e1 m\u1ea1nh, \u1ee9ng su\u1ea5t c\u00f3 th\u1ec3 lan truy\u1ec1n sang v\u1ecf b\u1ecdc, m\u1ed1i h\u00e0n ho\u1eb7c ch\u1ea5t TIM \u0111\u00e3 \u0111\u00f3ng r\u1eafn.<\/p>\n\n\n\n

V\u1eadt li\u1ec7u c\u1ea7n c\u00f3 \u0111\u1ed9 d\u1ebbo dai \u0111\u1ee7 \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y c\u00e1c khuy\u1ebft t\u1eadt vi m\u00f4 trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p, nh\u01b0ng \u0111\u1ed3ng th\u1eddi c\u0169ng c\u1ea7n c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ee7 v\u1eefng ch\u1eafc \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c c\u1eaft l\u1eb7p \u0111i l\u1eb7p l\u1ea1i. M\u1ed9t gi\u1ea3i ph\u00e1p th\u1ef1c ti\u1ec5n Ph\u00e2n t\u00edch hi\u1ec7n t\u01b0\u1ee3ng b\u01a1m ra ch\u1ea5t nh\u00e3o tr\u00ean CPU v\u00e0 GPU<\/a> \u0111\u00e3 th\u1ec3 hi\u1ec7n r\u00f5 s\u1ef1 t\u01b0\u01a1ng t\u00e1c n\u00e0y, m\u1eb7c d\u00f9 ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbc l\u01b0\u1ee3ng c\u1ee7a n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n \u0111\u00e1nh gi\u00e1 chung.<\/p>\n\n\n\n

Rung \u0111\u1ed9ng v\u00e0 \u0111\u1ed9 u\u1ed1n cong c\u1ee7a v\u00e1n<\/h3>\n\n\n\n

Chuy\u1ec3n \u0111\u1ed9ng do nhi\u1ec7t kh\u00f4ng ph\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 duy nh\u1ea5t g\u00e2y ra v\u1ea5n \u0111\u1ec1. Rung \u0111\u1ed9ng c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n, rung \u0111\u1ed9ng t\u1eeb qu\u1ea1t m\u00e1y ch\u1ee7, va \u0111\u1eadp khi di chuy\u1ec3n, s\u1ef1 u\u1ed1n cong c\u1ee7a khung m\u00e1y t\u00ednh x\u00e1ch tay v\u00e0 s\u1ef1 u\u1ed1n cong c\u1ee7a b\u1ea3ng m\u1ea1ch in (PCB) \u0111\u1ec1u c\u00f3 th\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n ti\u1ebfp x\u00fac. C\u00e1c c\u1ee5m t\u1ea3n nhi\u1ec7t chung \u0111\u1eb7c bi\u1ec7t nh\u1ea1y c\u1ea3m. Vi\u1ec7c si\u1ebft ch\u1eb7t m\u1ed9t v\u00edt l\u00f2 xo c\u00f3 th\u1ec3 l\u00e0m m\u1ed9t g\u00f3c kh\u00e1c b\u1ecb nh\u1ea5c l\u00ean nh\u1eb9. Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t g\u1ea7n \u0111\u00f3 c\u00f3 th\u1ec3 qu\u00e1 d\u00e0y v\u00e0 l\u00e0m nghi\u00eang b\u1ed9 t\u1ea3n nhi\u1ec7t. Nh\u1eefng thay \u0111\u1ed5i nh\u1ecf c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ed9t chu k\u1ef3 c\u1eaft l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n

H\u1ed3 s\u01a1 dao \u0111\u1ed9ng v\u00e0 chuy\u1ec3n \u0111\u1ed9ng th\u1ef1c t\u1ebf n\u00ean l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u TIM, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng, s\u1ea3n ph\u1ea9m di \u0111\u1ed9ng v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

C\u00e1c t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u chi ph\u1ed1i kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00fat c\u1ea1n<\/h2>\n\n\n\n
\"Material<\/figure>\n\n\n\n

T\u1ea1i sao ch\u1ec9 d\u1ef1a v\u00e0o \u0111\u1ed9 nh\u1edbt th\u00f4i l\u00e0 ch\u01b0a \u0111\u1ee7<\/h3>\n\n\n\n

\u0110\u1ed9 nh\u1edbt l\u00e0 th\u00f4ng s\u1ed1 d\u1ec5 n\u00eau ra, n\u00ean th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u01b0a l\u00ean l\u00e0m ti\u00eau \u0111\u1ec1. Tuy nhi\u00ean, gi\u00e1 tr\u1ecb \u0111\u1ed9 nh\u1edbt \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng kh\u00f4ng n\u00f3i l\u00ean \u0111\u01b0\u1ee3c nhi\u1ec1u v\u1ec1 c\u00e1ch ch\u1ea5t b\u00f4i tr\u01a1n ho\u1ea1t \u0111\u1ed9ng \u1edf 100\u00b0C sau 2.000 chu k\u1ef3. Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m, t\u1ed1c \u0111\u1ed9 c\u1eaft, nhi\u1ec7t \u0111\u1ed9 v\u00e0 l\u1ecbch s\u1eed s\u1eed d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1ec1u c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3.<\/p>\n\n\n\n

M\u1ed9t lo\u1ea1i m\u1ee1 \u0111\u1eb7c v\u1eabn c\u00f3 th\u1ec3 di chuy\u1ec3n khi n\u00f3ng. Hai s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 nh\u1edbt t\u01b0\u01a1ng t\u1ef1 nhau c\u00f3 th\u1ec3 c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh nh\u01b0 \u1ee9ng su\u1ea5t ch\u1ea3y, hi\u1ec7n t\u01b0\u1ee3ng t\u00e1ch d\u1ea7u, \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i r\u1ea5t kh\u00e1c nhau. \u0110\u1ed9 nh\u1edbt l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng, nh\u01b0ng \u0111\u00f3 ch\u1ec9 l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1.<\/p>\n\n\n\n

\u0110\u1ed9 c\u0103ng ch\u1ea3y, t\u00ednh thixotropic v\u00e0 t\u00ednh nh\u1edbt \u0111\u00e0n h\u1ed3i<\/h3>\n\n\n\n

Gi\u1edbi h\u1ea1n ch\u1ea3y<\/strong> l\u00e0 l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 v\u1eadt li\u1ec7u b\u1eaft \u0111\u1ea7u ch\u1ea3y. \u0110\u1ed9 b\u1ec1n ch\u1ea3y cao h\u01a1n c\u00f3 th\u1ec3 gi\u00fap m\u1ee1 b\u00f4i tr\u01a1n ch\u1ed1ng l\u1ea1i c\u00e1c t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc nh\u1ecf, nh\u01b0ng n\u1ebfu qu\u00e1 cao th\u00ec c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh lan t\u1ecfa v\u00e0 l\u00e0m t\u0103ng \u0111\u1ed9 d\u00e0y c\u1ee7a l\u1edbp li\u00ean k\u1ebft.<\/p>\n\n\n\n

T\u00ednh thixotropic<\/strong> c\u00f3 ngh\u0129a l\u00e0 v\u1eadt li\u1ec7u ch\u1ea3y d\u1ec5 d\u00e0ng h\u01a1n d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c c\u1eaft v\u00e0 t\u00e1i t\u1ea1o c\u1ea5u tr\u00fac khi \u1edf tr\u1ea1ng th\u00e1i t\u0129nh. \u0110i\u1ec1u n\u00e0y gi\u00fap qu\u00e1 tr\u00ecnh ph\u00e2n ph\u1ed1i di\u1ec5n ra thu\u1eadn l\u1ee3i h\u01a1n v\u00e0 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh sau khi l\u1eafp \u0111\u1eb7t. Kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i \u1edf nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t.<\/p>\n\n\n\n

\u0110\u1ed9 nh\u1edbt \u0111\u00e0n h\u1ed3i<\/strong> l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa t\u00ednh ch\u1ea5t ch\u1ea3y nh\u01b0 ch\u1ea5t l\u1ecfng v\u00e0 t\u00ednh ch\u1ea5t ph\u1ee5c h\u1ed3i nh\u01b0 ch\u1ea5t r\u1eafn. T\u00ednh ch\u1ea5t n\u00e0y thay \u0111\u1ed5i theo t\u1ea7n s\u1ed1 v\u00e0 nhi\u1ec7t \u0111\u1ed9, do \u0111\u00f3 d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m c\u1ea7n ph\u1ea3n \u00e1nh chu k\u1ef3 l\u00e0m vi\u1ec7c d\u1ef1 ki\u1ebfn.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh n\u1ea1p ch\u1ea5t \u0111\u1ed9n, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a ch\u1ea5t mang v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng r\u00f2 r\u1ec9 d\u1ea7u<\/h3>\n\n\n\n

M\u1ee1 t\u1ea3n nhi\u1ec7t th\u01b0\u1eddng l\u00e0 ch\u1ea5t \u0111\u1ed9n d\u1eabn \u0111i\u1ec7n \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n trong ch\u1ea5t mang. Lo\u1ea1i, k\u00edch th\u01b0\u1edbc, h\u00ecnh d\u1ea1ng, ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd v\u00e0 h\u00e0m l\u01b0\u1ee3ng c\u1ee7a c\u00e1c h\u1ea1t \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n v\u00e0 t\u00ednh l\u01b0u \u0111\u1ed9ng. M\u1ed9t m\u1ea1ng l\u01b0\u1edbi ch\u1ea5t \u0111\u1ed9n d\u00e0y \u0111\u1eb7c c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf s\u1ef1 di chuy\u1ec3n nh\u01b0ng l\u1ea1i g\u00e2y kh\u00f3 kh\u0103n cho qu\u00e1 tr\u00ecnh b\u00f4i tr\u01a1n ho\u1eb7c l\u00e0m \u01b0\u1edbt b\u1ec1 m\u1eb7t. N\u1ebfu d\u1ea7u mang b\u1ecb bay h\u01a1i, c\u1eb7n c\u00f2n l\u1ea1i s\u1ebd tr\u1edf n\u00ean c\u1ee9ng v\u00e0 ch\u1ee9a nhi\u1ec1u ch\u1ea5t \u0111\u1ed9n, do \u0111\u00f3 hi\u1ec7n t\u01b0\u1ee3ng di chuy\u1ec3n v\u00e0 kh\u00f4 c\u1ee9ng c\u00f3 th\u1ec3 x\u1ea3y ra \u0111\u1ed3ng th\u1eddi. C\u1ea7n ki\u1ec3m tra c\u00e1c \u0111\u1eb7c t\u00ednh v\u1ec1 b\u1ea3o qu\u1ea3n, qu\u00e1 tr\u00ecnh ph\u00e2n ph\u1ed1i v\u00e0 h\u00e0nh vi khi \u1edf nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh trong m\u1ed9t kho\u1ea3ng th\u1eddi gian.<\/p>\n\n\n\n

C\u00e1c h\u1ee3p ch\u1ea5t \u0111\u00f3ng r\u1eafn v\u00e0 kh\u00f4ng \u0111\u00f3ng r\u1eafn ti\u1ec1m \u1ea9n nh\u1eefng r\u1ee7i ro kh\u00e1c nhau<\/h3>\n\n\n\n

V\u1eadt li\u1ec7u \u0111\u00f3ng r\u1eafn s\u1ebd h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng ch\u1ea3y t\u1ef1 do sau khi \u0111\u00f4ng c\u1ee9ng, \u0111i\u1ec1u n\u00e0y nghe c\u00f3 v\u1ebb l\u00fd t\u01b0\u1edfng. Tuy nhi\u00ean, nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu bi\u1ebfn d\u1ea1ng b\u1ecb gi\u1ea3m s\u00fat. M\u1ed9t nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 Nghi\u00ean c\u1ee9u tr\u1ef1c quan h\u00f3a qu\u00e1 tr\u00ecnh tu\u1ea7n ho\u00e0n nhi\u1ec7t b\u1eb1ng h\u00ecnh \u1ea3nh si\u00eau \u00e2m<\/a> Ng\u01b0\u1eddi ta \u0111\u00e3 quan s\u00e1t th\u1ea5y s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c l\u1ed7 r\u1ed7ng trong lo\u1ea1i m\u1ee1 kh\u00f4ng \u0111\u00f4ng c\u1ee9ng v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t v\u1ee1 trong lo\u1ea1i m\u1ee1 \u0111\u00f4ng c\u1ee9ng d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t l\u1eb7p l\u1ea1i c\u1ee5 th\u1ec3. \u0110i\u1ec1u n\u00e0y kh\u00f4ng nh\u1eb1m x\u1ebfp h\u1ea1ng t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng th\u1ee9c m\u1ee1 \u0111\u00f4ng c\u1ee9ng v\u00e0 kh\u00f4ng \u0111\u00f4ng c\u1ee9ng. N\u00f3 cho th\u1ea5y t\u1ea1i sao vi\u1ec7c thay \u0111\u1ed5i c\u01a1 ch\u1ebf h\u01b0 h\u1ecfng kh\u00f4ng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c lo\u1ea1i b\u1ecf n\u00f3.<\/p>\n\n\n\n

Gi\u00e1 tr\u1ecb W\/mK cao kh\u00f4ng ph\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 d\u1ef1 b\u00e1o tu\u1ed5i th\u1ecd c\u1ee7a h\u1ec7 th\u1ed1ng b\u01a1m tho\u00e1t<\/h3>\n\n\n\n

\u0110\u1ed9 d\u1eabn nhi\u1ec7t th\u1ec3 t\u00edch m\u00f4 t\u1ea3 d\u00f2ng nhi\u1ec7t \u0111i qua v\u1eadt li\u1ec7u trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n x\u00e1c \u0111\u1ecbnh. Ch\u1ec9 s\u1ed1 n\u00e0y kh\u00f4ng cho k\u1ef9 s\u01b0 bi\u1ebft li\u1ec7u ch\u1ea5t b\u00f4i tr\u01a1n c\u00f3 duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1ed9 ph\u1ee7 khi x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng cong v\u00eanh v\u00e0 l\u1ef1c c\u1eaft hay kh\u00f4ng. M\u1ed9t s\u1ea3n ph\u1ea9m c\u00f3 gi\u00e1 tr\u1ecb W\/mK cao v\u1eabn c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng k\u00e9m hi\u1ec7u qu\u1ea3 n\u1ebfu l\u1edbp li\u00ean k\u1ebft c\u1ee7a n\u00f3 tr\u1edf n\u00ean d\u00e0y, xu\u1ea5t hi\u1ec7n c\u00e1c kho\u1ea3ng tr\u1ed1ng ho\u1eb7c b\u1ecb t\u00e1ch kh\u1ecfi v\u00f9ng nhi\u1ec7t.<\/p>\n\n\n\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u1ea7n xem x\u00e9t \u0111i\u1ec7n tr\u1edf nhi\u1ec7t ban \u0111\u1ea7u v\u00e0 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a n\u00f3 sau qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a. H\u01b0\u1edbng d\u1eabn c\u1ee7a HAKTAK v\u1ec1 L\u1ef1a ch\u1ecdn v\u00e0 ki\u1ec3m tra \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a m\u1ee1 t\u1ea3n nhi\u1ec7t<\/a> gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao ch\u1ec9 ri\u00eang \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n kh\u00f4ng ph\u1ea3i l\u00e0 k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng c\u1ee7a giao di\u1ec7n.<\/p>\n\n\n\n

\u0110\u1ed9 d\u00e0y \u0111\u01b0\u1eddng keo, \u00e1p su\u1ea5t d\u00e1n v\u00e0 \u0111\u1ed9 ph\u1eb3ng b\u1ec1 m\u1eb7t<\/h2>\n\n\n\n
\"Bond<\/figure>\n\n\n\n

T\u1ea1i sao \u0111\u1ed9 d\u00e0y \u0111\u01b0\u1eddng n\u1ed1i l\u1ea1i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn d\u00f2ng nhi\u1ec7t v\u00e0 s\u1ef1 d\u1ecbch chuy\u1ec3n<\/h3>\n\n\n\n

\u0110\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t l\u1edbp l\u00fd t\u01b0\u1edfng v\u00e0 \u0111\u1ed3ng nh\u1ea5t, \u0111i\u1ec7n tr\u1edf nhi\u1ec7t th\u1ec3 t\u00edch c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh g\u1ea7n \u0111\u00fang nh\u01b0 sau:<\/p>\n\n\n\n

Rbulk = BLT \/ (k \u00d7 A)<\/p>\n\n\n\n

\u1ede \u0111\u00e2y, BLT<\/strong> l\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a \u0111\u01b0\u1eddng li\u00ean k\u1ebft, k<\/strong> l\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t, v\u00e0 A<\/strong> l\u00e0 di\u1ec7n t\u00edch ti\u1ebfp x\u00fac. C\u00e1c giao di\u1ec7n th\u1ef1c t\u1ebf c\u00f2n bao g\u1ed3m \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac, \u0111\u1ed9 nh\u00e1m, c\u00e1c kho\u1ea3ng tr\u1ed1ng v\u00e0 \u00e1p su\u1ea5t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. M\u1ed9t \u0111\u01b0\u1eddng li\u00ean k\u1ebft d\u00e0y ch\u1ee9a nhi\u1ec1u v\u1eadt li\u1ec7u di \u0111\u1ed9ng h\u01a1n; trong khi \u0111\u00f3, m\u1ed9t \u0111\u01b0\u1eddng li\u00ean k\u1ebft c\u1ef1c m\u1ecfng c\u00f3 th\u1ec3 m\u1ea5t t\u00ednh li\u00ean t\u1ee5c tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t b\u1ecb cong v\u00eanh. H\u00e3y h\u01b0\u1edbng \u0111\u1ebfn \u0111\u01b0\u1eddng li\u00ean k\u1ebft ho\u00e0n ch\u1ec9nh m\u1ecfng nh\u1ea5t m\u00e0 d\u1ea3i dung sai c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady.<\/p>\n\n\n\n

Li\u1ec7u \u00e1p l\u1ef1c ng\u00e0y c\u00e0ng gia t\u0103ng c\u00f3 c\u1ea3n tr\u1edf vi\u1ec7c b\u01a1m h\u00fat kh\u00f4ng?<\/h3>\n\n\n\n

\u00c1p l\u1ef1c v\u1eeba \u0111\u1ee7 s\u1ebd gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng th\u1ea5m \u01b0\u1edbt, l\u00e0m gi\u1ea3m \u0111\u1ed9 d\u00e0y d\u01b0 th\u1eeba v\u00e0 thi\u1ebft l\u1eadp ti\u1ebfp x\u00fac. L\u1ef1c l\u00f2 xo \u1ed5n \u0111\u1ecbnh c\u0169ng c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ef1 dao \u0111\u1ed9ng c\u1ee7a khe h\u1edf. Tuy nhi\u00ean, v\u01b0\u1ee3t qu\u00e1 m\u1ee9c \u0111\u00f3, vi\u1ec7c t\u0103ng th\u00eam l\u1ef1c s\u1ebd kh\u00f4ng mang l\u1ea1i hi\u1ec7u qu\u1ea3 t\u01b0\u01a1ng \u1ee9ng. \u00c1p l\u1ef1c qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 l\u00e0m v\u0103ng b\u1ed9t h\u00e0n t\u01b0\u01a1i ra ngo\u00e0i, l\u00e0m cong t\u1ea5m m\u1ea1ch, bi\u1ebfn d\u1ea1ng t\u1ea5m \u0111\u1ebf, g\u00e2y n\u1ee9t chip tr\u1ea7n ho\u1eb7c l\u00e0m x\u00e1o tr\u1ed9n c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac \u1edf nh\u1eefng v\u1ecb tr\u00ed kh\u00e1c trong b\u1ed9 t\u1ea3n nhi\u1ec7t chung.<\/p>\n\n\n\n

L\u1ef1c t\u00e1c \u0111\u1ed9ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u th\u01b0\u1eddng g\u00e2y h\u1ea1i h\u01a1n so v\u1edbi l\u1ef1c t\u00e1c \u0111\u1ed9ng v\u1eeba ph\u1ea3i. H\u00e3y tu\u00e2n th\u1ee7 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 b\u1ed9 t\u1ea3n nhi\u1ec7t. S\u1eed d\u1ee5ng tr\u00ecnh t\u1ef1 m\u00f4-men xo\u1eafn \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, c\u00e1c chi ti\u1ebft bu\u1ed9c ch\u1eb7t ho\u1eb7c l\u00f2 xo ph\u00f9 h\u1ee3p, v\u00e0 l\u1ef1c n\u00e9n \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng khi c\u00f3 th\u1ec3. M\u1ed9t c\u00e1ch \u0111\u00fang \u0111\u1eafn Quy tr\u00ecnh b\u00f4i m\u1ee1 t\u1ea3n nhi\u1ec7t<\/a> gi\u00fap \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh \u0111\u1eb7t v\u00e0 l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch l\u1eb7p l\u1ea1i, nh\u01b0ng kh\u00f4ng th\u1ec3 b\u00f9 \u0111\u1eafp cho \u0111\u1ed9 ph\u1eb3ng k\u00e9m ho\u1eb7c ph\u1ea7n c\u1ee9ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n

\u0110\u1ed9 ph\u1eb3ng v\u00e0 \u0111\u1ed9 song song l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u<\/h3>\n\n\n\n

Ki\u1ec3m tra t\u1ea5m t\u1ea3n nhi\u1ec7t, chip, t\u1ea5m \u0111\u1ebf m\u00f4-\u0111un, \u0111\u1ebf t\u1ea3n nhi\u1ec7t v\u00e0 t\u1ea5m l\u00e0m m\u00e1t trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 t\u01b0\u01a1ng \u1ee9ng. Vi\u1ec7c ki\u1ec3m tra \u0111\u1ed9 ph\u1eb3ng \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng c\u00f3 th\u1ec3 kh\u00f4ng ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng cong v\u00eanh do nhi\u1ec7t. \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c gi\u00e1 \u0111\u1ee1 kh\u00f4ng l\u00e0m nghi\u00eang b\u1ed9 t\u1ea3n nhi\u1ec7t v\u00e0 c\u00e1c mi\u1ebfng \u0111\u1ec7m khe h\u1edf l\u00e2n c\u1eadn kh\u00f4ng khi\u1ebfn b\u1ed9 t\u1ea3n nhi\u1ec7t b\u1ecb t\u00e1ch xa kh\u1ecfi thi\u1ebft b\u1ecb ch\u00ednh.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c c\u1ee5m l\u1eafp r\u00e1p chung, h\u00e3y ki\u1ec3m tra v\u1ebft in t\u1ea1i t\u1eebng \u0111i\u1ec3m ti\u1ebfp x\u00fac. M\u1ee1 b\u00f4i tr\u01a1n kh\u00f4ng th\u1ec3 l\u1ea5p \u0111\u1ea7y m\u1ed9t khe h\u1edf th\u1ef1c s\u1ef1 \u1edf quy m\u00f4 milim\u00e9t m\u00e0 v\u1eabn duy tr\u00ec \u0111\u01b0\u1ee3c m\u1ed9t l\u1edbp ti\u1ebfp x\u00fac m\u1ecfng. \u0110\u00f3 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 v\u1ec1 h\u00ecnh h\u1ecdc.<\/p>\n\n\n\n

C\u00e1c r\u1ee7i ro khi b\u01a1m h\u1ebft m\u1ee1 t\u1ea3n nhi\u1ec7t<\/h2>\n\n\n\n

Vi\u1ec7c x\u1ea3 n\u01b0\u1edbc kh\u00f4ng \u0111\u1ea3m b\u1ea3o s\u1ebd d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c \u0111\u1ed9t ng\u1ed9t. N\u00f3 th\u01b0\u1eddng g\u00e2y ra s\u1ef1 suy gi\u1ea3m d\u1ea7n d\u1ea7n v\u00e0 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 kh\u00f3 ph\u00e1t hi\u1ec7n h\u01a1n v\u00ec nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh c\u00f3 th\u1ec3 tr\u00f4ng v\u1eabn \u1edf m\u1ee9c ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c, trong khi m\u1ed9t khu v\u1ef1c c\u1ee5c b\u1ed9 l\u1ea1i n\u00f3ng h\u01a1n nhi\u1ec1u.<\/p>\n\n\n\n

R\u1ee7i ro<\/strong><\/td>Nh\u1eefng thay \u0111\u1ed5i n\u00e0o<\/strong><\/td>T\u00e1c \u0111\u1ed9ng c\u00f3 th\u1ec3 x\u1ea3y ra \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng<\/strong><\/td><\/tr>
T\u0103ng tr\u01b0\u1edfng h\u01b0 v\u00f4<\/td>Di\u1ec7n t\u00edch ti\u1ebfp x\u00fac th\u1ef1c t\u1ebf gi\u1ea3m<\/td>\u0110i\u1ec7n tr\u1edf nhi\u1ec7t cao h\u01a1n<\/td><\/tr>
Thi\u1ebfu h\u1ee5t trung t\u00e2m<\/td>Khu v\u1ef1c n\u00f3ng b\u1ecb m\u1ea5t v\u00f9ng ph\u1ee7 s\u00f3ng TIM<\/td>\u0110i\u1ec3m n\u00f3ng c\u1ee5c b\u1ed9 v\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 l\u1edbn h\u01a1n<\/td><\/tr>
S\u1ef1 tr\u00f4i nhi\u1ec7t<\/td>\u0110i\u1ec7n tr\u1edf giao di\u1ec7n t\u0103ng l\u00ean theo t\u1eebng chu k\u1ef3<\/td>Ti\u1ebfng \u1ed3n t\u1eeb qu\u1ea1t, hi\u1ec7n t\u01b0\u1ee3ng gi\u1ea3m t\u1ed1c \u0111\u1ed9 ho\u1eb7c c\u00f4ng su\u1ea5t gi\u1ea3m<\/td><\/tr>
Di chuy\u1ec3n c\u1ea1nh<\/td>D\u1ea7u m\u1ee1 tr\u00e0n ra ngo\u00e0i khu v\u1ef1c d\u1ef1 \u0111\u1ecbnh<\/td>V\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn \u00f4 nhi\u1ec5m ho\u1eb7c \u0111i\u1ec7n<\/td><\/tr>
T\u00ecnh tr\u1ea1ng qu\u00e1 nhi\u1ec7t l\u1eb7p \u0111i l\u1eb7p l\u1ea1i<\/td>Nhi\u1ec7t \u0111\u1ed9 t\u1ea1i \u0111i\u1ec3m n\u1ed1i t\u0103ng l\u00ean<\/td>Qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a di\u1ec5n ra nhanh h\u01a1n \u1edf c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c c\u1ee7a h\u1ec7 th\u1ed1ng<\/td><\/tr>
Bi\u1ebfn thi\u00ean \u0111\u01a1n v\u1ecb<\/td>C\u00e1c m\u00e1y b\u01a1m c\u00f3 c\u00f4ng su\u1ea5t kh\u00e1c nhau<\/td>N\u0103ng su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd tr\u00ean \u0111\u1ed3ng ru\u1ed9ng kh\u00f3 d\u1ef1 \u0111o\u00e1n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

R\u1ee7i ro v\u1ec1 \u0111i\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o t\u1eebng h\u1ee3p ch\u1ea5t c\u1ee5 th\u1ec3. H\u00e3y tham kh\u1ea3o c\u00e1c th\u00f4ng s\u1ed1 \u0111i\u1ec7n v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 v\u00f9ng c\u1ea5m ti\u1ebfp x\u00fac c\u1ee7a h\u1ee3p ch\u1ea5t \u0111\u00f3, thay v\u00ec cho r\u1eb1ng m\u1ecdi lo\u1ea1i b\u1ed9t m\u00e0u x\u00e1m \u0111\u1ec1u v\u00f4 h\u1ea1i.<\/p>\n\n\n\n

C\u00e1ch nh\u1eadn bi\u1ebft hi\u1ec7n t\u01b0\u1ee3ng b\u01a1m keo t\u1ea3n nhi\u1ec7t b\u1ecb tr\u00e0o ra ngo\u00e0i<\/h2>\n\n\n\n

H\u00e3y t\u00ecm ki\u1ebfm xu h\u01b0\u1edbng, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch nh\u1ea5t th\u1eddi<\/h3>\n\n\n\n

M\u1ed9t bi\u1ec3u hi\u1ec7n \u0111i\u1ec3n h\u00ecnh l\u00e0 hi\u1ec7u n\u0103ng t\u1ed1t ngay sau khi b\u00f4i l\u1ea1i keo t\u1ea3n nhi\u1ec7t \u0111\u00fang c\u00e1ch, sau \u0111\u00f3 nhi\u1ec7t \u0111\u1ed9 t\u0103ng d\u1ea7n d\u01b0\u1edbi c\u00f9ng m\u1ee9c t\u1ea3i. GPU c\u00f3 th\u1ec3 cho th\u1ea5y ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa l\u00f5i v\u00e0 \u0111i\u1ec3m n\u00f3ng ng\u00e0y c\u00e0ng gia t\u0103ng. CPU c\u00f3 th\u1ec3 c\u1ea7n t\u0103ng t\u1ed1c \u0111\u1ed9 qu\u1ea1t ho\u1eb7c b\u1eaft \u0111\u1ea7u gi\u1ea3m xung nh\u1ecbp \u1edf m\u1ee9c c\u00f4ng su\u1ea5t m\u00e0 tr\u01b0\u1edbc \u0111\u00e2y n\u00f3 v\u1eabn duy tr\u00ec \u0111\u01b0\u1ee3c. M\u00f4-\u0111un ngu\u1ed3n c\u00f3 th\u1ec3 cho th\u1ea5y tr\u1edf kh\u00e1ng nhi\u1ec7t gi\u1eefa v\u1ecf v\u00e0 b\u1ed9 t\u1ea3n nhi\u1ec7t t\u0103ng l\u00ean.<\/p>\n\n\n\n

H\u00e3y ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, ngu\u1ed3n \u0111i\u1ec7n, t\u1ed1c \u0111\u1ed9 qu\u1ea1t ho\u1eb7c b\u01a1m, v\u00e0 nhi\u1ec7t \u0111\u1ed9 ch\u1ea5t l\u00e0m m\u00e1t tr\u01b0\u1edbc khi so s\u00e1nh k\u1ebft qu\u1ea3. B\u1ee5i b\u1ea9n, qu\u1ea1t b\u1ecb m\u00f2n, b\u01a1m h\u1ecfng, \u1ed1c v\u00edt l\u1ecfng l\u1ebbo ho\u1eb7c gi\u1edbi h\u1ea1n c\u00f4ng su\u1ea5t b\u1ecb thay \u0111\u1ed5i \u0111\u1ec1u c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng gi\u1ed1ng nh\u01b0 s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn ch\u1ea5t d\u1eabn nhi\u1ec7t (TIM).<\/p>\n\n\n\n

Ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng s\u01a1 \u0111\u1ed3 th\u00e1o l\u1eafp<\/h3>\n\n\n\n

C\u00e1c manh m\u1ed1i h\u1eefu \u00edch bao g\u1ed3m ph\u1ea7n trung t\u00e2m tr\u1ed1ng tr\u01a1n ho\u1eb7c m\u1ecfng b\u1ea5t th\u01b0\u1eddng, g\u1edd vi\u1ec1n d\u00e0y, c\u00e1c v\u1ec7t h\u01b0\u1edbng, r\u00e3nh, l\u1ed7 r\u1ed7ng ho\u1eb7c v\u1ebft n\u1ee9t. H\u00e3y so s\u00e1nh m\u1eabu n\u00e0y v\u1edbi v\u1ecb tr\u00ed ngu\u1ed3n nhi\u1ec7t. Ngo\u00e0i ra, h\u00e3y ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac m\u1ed9t ph\u00eda, c\u00e1c khu v\u1ef1c ch\u01b0a b\u1ecb t\u00e1c \u0111\u1ed9ng, v\u1ebft t\u00edch do ph\u1ee5 ki\u1ec7n \u0111\u1ec3 l\u1ea1i, v\u00e0 b\u1eb1ng ch\u1ee9ng cho th\u1ea5y mi\u1ebfng \u0111\u1ec7m ho\u1eb7c gi\u00e1 \u0111\u1ee1 \u0111\u00e3 l\u00e0m nghi\u00eang b\u1ed9 t\u1ea3n nhi\u1ec7t.<\/p>\n\n\n\n

Vi\u1ec7c c\u00f3 m\u1ed9t \u00edt v\u1eadt li\u1ec7u th\u1eeba \u1edf m\u00e9p l\u00e0 \u0111i\u1ec1u b\u00ecnh th\u01b0\u1eddng. C\u00e2u h\u1ecfi quan tr\u1ecdng l\u00e0 li\u1ec7u c\u00f3 v\u1eadt li\u1ec7u n\u00e0o tho\u00e1t ra kh\u1ecfi v\u00f9ng ho\u1ea1t \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng hay kh\u00f4ng.<\/p>\n\n\n\n

Tri\u1ec7u ch\u1ee9ng<\/strong><\/td>M\u1ed9t manh m\u1ed1i c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c b\u01a1m n\u01b0\u1edbc ra<\/strong><\/td>Nguy\u00ean nh\u00e2n c\u1ea1nh tranh<\/strong><\/td>Ki\u1ec3m tra ti\u1ebfp theo<\/strong><\/td><\/tr>
Nhi\u1ec7t \u0111\u1ed9 t\u0103ng d\u1ea7n trong v\u00e0i tu\u1ea7n<\/td>S\u1ef1 t\u00edch t\u1ee5 m\u00e9p sau khi l\u1eafp \u0111\u1eb7t ban \u0111\u1ea7u th\u00e0nh c\u00f4ng<\/td>B\u1ee5i ho\u1eb7c hao m\u00f2n qu\u1ea1t<\/td>L\u00e0m s\u1ea1ch v\u00e0 l\u1eb7p l\u1ea1i th\u1eed nghi\u1ec7m c\u00f3 ki\u1ec3m so\u00e1t<\/td><\/tr>
S\u1ef1 t\u0103ng nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t<\/td>S\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a b\u1ed9 l\u00e0m m\u00e1t \u0111\u00e3 l\u00e0m x\u00e1o tr\u1ed9n l\u1edbp ph\u00e2n c\u00e1ch<\/td>S\u1ef1 c\u1ed1 b\u01a1m ho\u1eb7c \u1ed1c v\u00edt b\u1ecb l\u1ecfng<\/td>Tr\u01b0\u1edbc ti\u00ean, h\u00e3y ki\u1ec3m tra c\u00e1c thi\u1ebft b\u1ecb l\u00e0m m\u00e1t<\/td><\/tr>
Ch\u00eanh l\u1ec7ch \u0111i\u1ec3m n\u00f3ng GPU l\u1edbn<\/td>Thi\u1ebfu h\u1ee5t \u1edf trung t\u00e2m ho\u1eb7c \u1edf c\u00e1c g\u00f3c<\/td>\u0110\u1ed9 ph\u1eb3ng c\u1ee7a t\u1ea5m l\u00e0m m\u00e1t ho\u1eb7c \u0111\u1ed9 dao \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn<\/td>So s\u00e1nh d\u1ea5u in, c\u00f4ng su\u1ea5t v\u00e0 gi\u00e1 \u0111\u1ee1<\/td><\/tr>
L\u1ed7i l\u1ea1i xu\u1ea5t hi\u1ec7n sau khi d\u00e1n l\u1ea1i<\/td>TIM v\u00e0 c\u1ee5m l\u1eafp r\u00e1p kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi nhau<\/td>\u0110\u1ed9 d\u00e0y mi\u1ebfng \u0111\u1ec7m kh\u00f4ng \u0111\u00fang ho\u1eb7c t\u1ea3i tr\u1ecdng gi\u00e1 \u0111\u1ee1 kh\u00f4ng \u0111\u00fang<\/td>Xem x\u00e9t to\u00e0n b\u1ed9 c\u1ea5u tr\u00fac<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Khi vi\u1ec7c b\u01a1m th\u1ea3i g\u00e2y ra r\u1eafc r\u1ed1i th\u1ef1c s\u1ef1<\/h2>\n\n\n\n

B\u1ed9 vi x\u1eed l\u00fd m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n<\/h3>\n\n\n\n

M\u1ed9t b\u1ed9 t\u1ea3n nhi\u1ec7t t\u00edch h\u1ee3p cung c\u1ea5p b\u1ec1 m\u1eb7t l\u1eafp \u0111\u1eb7t ch\u1eafc ch\u1eafn, nh\u01b0ng c\u00e1c b\u1ed9 ph\u1eadn kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 c\u00e1c chu k\u1ef3 c\u1ea5p ngu\u1ed3n l\u1eb7p \u0111i l\u1eb7p l\u1ea1i v\u1eabn c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng d\u1ecbch chuy\u1ec3n. Vi\u1ec7c l\u1eafp \u0111\u1eb7t \u1ed5n \u0111\u1ecbnh v\u00e0 b\u00f4i tr\u01a1n c\u00f3 ki\u1ec3m so\u00e1t quan tr\u1ecdng h\u01a1n so v\u1edbi vi\u1ec7c b\u00f4i m\u1ed9t l\u01b0\u1ee3ng l\u1edbn keo t\u1ea3n nhi\u1ec7t cao c\u1ea5p.<\/p>\n\n\n\n

GPU v\u00e0 chip tr\u1ef1c ti\u1ebfp tr\u00ean m\u00e1y t\u00ednh x\u00e1ch tay<\/h3>\n\n\n\n

H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t tr\u1ef1c ti\u1ebfp cho chip, v\u00edt l\u00f2 xo, b\u1ea3ng m\u1ea1ch in d\u1ebbo (PCB flex) v\u00e0 c\u00e1c mi\u1ebfng \u0111\u1ec7m xung quanh khi\u1ebfn ti\u1ebfp x\u00fac tr\u1edf n\u00ean nh\u1ea1y c\u1ea3m. C\u00e1c mi\u1ebfng \u0111\u1ec7m b\u1ed9 nh\u1edb ho\u1eb7c VRM qu\u00e1 d\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u00e1p l\u1ef1c l\u00ean chip. Qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i s\u1ebd khi\u1ebfn ch\u1ea5t t\u1ea3n nhi\u1ec7t b\u1ecb \u0111\u1ea9y ra ngo\u00e0i. C\u00e2u n\u00f3i \u201cHo\u1ea1t \u0111\u1ed9ng t\u1ed1t sau khi b\u00f4i l\u1ea1i ch\u1ea5t t\u1ea3n nhi\u1ec7t, nh\u01b0ng l\u1ea1i g\u1eb7p v\u1ea5n \u0111\u1ec1 sau m\u1ed9t th\u00e1ng\u201d ch\u1ec9 l\u00e0 manh m\u1ed1i, kh\u00f4ng ph\u1ea3i b\u1eb1ng ch\u1ee9ng.<\/p>\n\n\n\n

M\u00e1y ch\u1ee7 v\u00e0 b\u1ed9 gia t\u1ed1c AI<\/h3>\n\n\n\n

C\u00e1c b\u1ed9 t\u0103ng t\u1ed1c AI ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c c\u00f4ng su\u1ea5t cao v\u00e0 \u1ed5n \u0111\u1ecbnh, th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t d\u01b0\u1edbi c\u00e1c t\u1ea5m l\u00e0m m\u00e1t. C\u00e1c s\u1ef1 ki\u1ec7n kh\u1edfi \u0111\u1ed9ng-d\u1eebng, chuy\u1ec3n \u0111\u1ed5i t\u1ea3i, b\u1ea3o tr\u00ec v\u00e0 thay ch\u1ea5t l\u00e0m m\u00e1t v\u1eabn t\u1ea1o ra c\u00e1c chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng. \u1ede quy m\u00f4 \u0111\u1ed9i m\u00e1y, s\u1ef1 sai l\u1ec7ch nh\u1ecf \u1edf giao di\u1ec7n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ti\u00eau t\u1ed1n th\u00eam n\u0103ng l\u01b0\u1ee3ng l\u00e0m m\u00e1t ho\u1eb7c c\u00f4ng vi\u1ec7c b\u1ea3o tr\u00ec. M\u00f4-men xo\u1eafn \u1ed5n \u0111\u1ecbnh, v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c, h\u1ec7 th\u1ed1ng \u0111o t\u1eeb xa v\u00e0 vi\u1ec7c ki\u1ec3m \u0111\u1ecbnh \u1edf c\u1ea5p l\u00f4 s\u1ea3n ph\u1ea9m l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng.<\/p>\n\n\n\n

\u0110i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t, xe \u0111i\u1ec7n v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p<\/h3>\n\n\n\n

C\u00e1c c\u1ee5m linh ki\u1ec7n IGBT, SiC v\u00e0 GaN k\u1ebft h\u1ee3p gi\u1eefa m\u1eadt \u0111\u1ed9 nhi\u1ec7t cao v\u1edbi c\u1ea5u tr\u00fac v\u1eadt li\u1ec7u ph\u1ee9c t\u1ea1p. B\u1ed9 bi\u1ebfn t\u1ea7n cho xe \u0111i\u1ec7n (EV) c\u00f2n ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng r\u1ed9ng, rung \u0111\u1ed9ng v\u00e0 s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a ch\u1ea5t l\u00e0m m\u00e1t. C\u00e1c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p, b\u1ed9 bi\u1ebfn t\u1ea7n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng v\u00e0 \u0111\u00e8n LED c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m khi b\u1ea3o tr\u00ec. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00f2 r\u1ec9 l\u00e0 m\u1ed9t y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 tin c\u1eady.<\/p>\n\n\n\n

C\u00e1ch ph\u00f2ng ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng b\u01a1m h\u1ebft m\u1ee1 t\u1ea3n nhi\u1ec7t<\/h2>\n\n\n\n

B\u1eaft \u0111\u1ea7u t\u1eeb c\u1ea5p \u0111\u1ed9 v\u1eadt li\u1ec7u<\/h3>\n\n\n\n

Y\u00eau c\u1ea7u c\u00e1c nh\u00e0 cung c\u1ea5p cung c\u1ea5p d\u1eef li\u1ec7u v\u1ec1 kh\u1ea3 n\u0103ng b\u01a1m ra, x\u1ea3 kh\u00ed, t\u00ednh l\u01b0u bi\u1ebfn v\u00e0 qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a \u1edf c\u00e1c nhi\u1ec7t \u0111\u1ed9 li\u00ean quan. R\u00e0 so\u00e1t ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng, h\u00e0nh vi n\u0103ng su\u1ea5t, hi\u1ec7n t\u01b0\u1ee3ng t\u00e1ch d\u1ea7u, t\u00ednh ch\u1ea5t \u0111i\u1ec7n, kh\u1ea3 n\u0103ng ph\u00e2n ph\u1ed1i v\u00e0 t\u00ednh t\u01b0\u01a1ng th\u00edch b\u1ec1 m\u1eb7t. M\u1ee1 ch\u1ed1ng ch\u1ea3y ra th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u01a1n gi\u1ea3n nh\u1ea5t cho m\u1ed9t l\u1edbp m\u00e0ng m\u1ecfng v\u00e0 c\u00f3 th\u1ec3 b\u1ea3o tr\u00ec \u0111\u01b0\u1ee3c, nh\u01b0ng v\u1eabn c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c chu k\u1ef3 th\u1eed nghi\u1ec7m \u1edf c\u1ea5p \u0111\u1ed9 l\u1eafp r\u00e1p trong \u0111i\u1ec1u ki\u1ec7n khe h\u1edf, \u00e1p su\u1ea5t, chuy\u1ec3n \u0111\u1ed9ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 d\u1ef1 ki\u1ebfn.<\/p>\n\n\n\n

\u0110i\u1ec1u khi\u1ec3n giao di\u1ec7n<\/h3>\n\n\n\n

S\u1eed d\u1ee5ng c\u00e1c b\u1ec1 m\u1eb7t s\u1ea1ch, t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u1ea3m b\u1ea3o l\u01b0\u1ee3ng v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t c\u00e1ch c\u00f3 ki\u1ec3m so\u00e1t. X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u00e0y t\u1ed1i thi\u1ec3u, danh \u0111\u1ecbnh v\u00e0 t\u1ed1i \u0111a c\u1ee7a \u0111\u01b0\u1eddng li\u00ean k\u1ebft. Ghi ch\u00e9p s\u1ed1 l\u00f4 v\u1eadt li\u1ec7u, ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng v\u00e0 k\u1ebft qu\u1ea3 l\u1eafp gh\u00e9p. Ki\u1ec3m tra ph\u00e2n b\u1ed1 \u00e1p l\u1ef1c v\u00e0 \u0111\u1ed9 bao ph\u1ee7 sau khi l\u1eafp gh\u00e9p. Vi\u1ec7c s\u1eeda ch\u1eefa ph\u1ea3i tu\u00e2n theo quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00ec vi\u1ec7c thi c\u00f4ng th\u1ee7 c\u00f4ng m\u1ed9t c\u00e1ch t\u00f9y ti\u1ec7n c\u00f3 th\u1ec3 che gi\u1ea5u nh\u1eefng khuy\u1ebft \u0111i\u1ec3m trong thi\u1ebft k\u1ebf.<\/p>\n\n\n\n

S\u1eeda ch\u1eefa b\u1ed9 m\u00e1y c\u01a1<\/h3>\n\n\n\n

C\u1ea3i thi\u1ec7n \u0111\u1ed9 ph\u1eb3ng v\u00e0 \u0111\u1ed9 song song. Gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng cong v\u00eanh, duy tr\u00ec l\u1ef1c l\u00f2 xo trong qu\u00e1 tr\u00ecnh gi\u00e3n n\u1edf, h\u1ed7 tr\u1ee3 c\u00e1c t\u1ea5m linh ho\u1ea1t, ki\u1ec3m so\u00e1t th\u1ee9 t\u1ef1 m\u00f4-men xo\u1eafn, v\u00e0 ki\u1ec3m tra xem c\u00e1c \u1ed1ng m\u1ec1m ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn khung g\u1ea7m c\u00f3 g\u00e2y l\u1ef1c k\u00e9o l\u00ean b\u1ed9 t\u1ea3n nhi\u1ec7t hay kh\u00f4ng. M\u1ee1 b\u00e1m b\u00ean ngo\u00e0i c\u00f3 th\u1ec3 b\u1ecb cho l\u00e0 nguy\u00ean nh\u00e2n, trong khi nguy\u00ean nh\u00e2n th\u1ef1c s\u1ef1 l\u1ea1i l\u00e0 t\u1ea5m b\u1ecb cong v\u00eanh ho\u1eb7c mi\u1ebfng \u0111\u1ec7m li\u1ec1n k\u1ec1 qu\u00e1 d\u00e0y.<\/p>\n\n\n\n

Gi\u1ea3m t\u1ea3i cho h\u1ec7 th\u1ed1ng<\/h3>\n\n\n\n

Gi\u1ea3m thi\u1ec3u s\u1ef1 dao \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng v\u01b0\u1ee3t m\u1ee9c c\u00f4ng su\u1ea5t. \u1ed4n \u0111\u1ecbnh l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u00e0m m\u00e1t v\u00e0 tr\u00e1nh c\u00e1c ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n khi\u1ebfn thi\u1ebft b\u1ecb li\u00ean t\u1ee5c chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i r\u1ea5t n\u00f3ng sang r\u1ea5t l\u1ea1nh. Theo d\u00f5i ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 t\u1ea1i c\u00e1c \u0111i\u1ec3m n\u00f3ng v\u00e0 \u0111\u1ed9 tr\u00f4i nhi\u1ec7t. B\u1ea3o tr\u00ec d\u1ef1a tr\u00ean t\u00ecnh tr\u1ea1ng thi\u1ebft b\u1ecb mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao h\u01a1n so v\u1edbi l\u1ecbch thay th\u1ebf chung chung.<\/p>\n\n\n\n

Khi m\u1ed9t lo\u1ea1i TIM kh\u00e1c l\u1ea1i t\u1ed1t h\u01a1n m\u1ee1 b\u00f4i tr\u01a1n<\/h2>\n\n\n\n

Vi\u1ec7c ph\u1ea3i b\u01a1m h\u00fat \u0111\u1ecbnh k\u1ef3 c\u00f3 th\u1ec3 cho th\u1ea5y b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u1ea7n m\u1ed9t \u0111\u1ecbnh d\u1ea1ng kh\u00e1c. M\u1ee5c ti\u00eau kh\u00f4ng ph\u1ea3i l\u00e0 thay th\u1ebf m\u1ee1 b\u00f4i tr\u01a1n b\u1eb1ng m\u1ecdi gi\u00e1, m\u00e0 l\u00e0 l\u1ef1a ch\u1ecdn m\u1ed9t v\u1eadt li\u1ec7u c\u00f3 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc ph\u00f9 h\u1ee3p v\u1edbi khe h\u1edf v\u00e0 chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n\n\n\n

T\u00f9y ch\u1ecdn TIM<\/strong><\/td>L\u1ee3i th\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng b\u01a1m th\u1ea3i<\/strong><\/td>S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i ch\u00ednh<\/strong><\/td><\/tr>
M\u1ee1 b\u00f4i tr\u01a1n ch\u1ed1ng ch\u1ea3y ra khi b\u01a1m<\/td>\u0110\u01b0\u1eddng h\u00e0n m\u1ecfng v\u00e0 d\u1ec5 d\u00e0ng s\u1eeda ch\u1eefa<\/td>V\u1eabn c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n x\u00e1c th\u1ef1c theo chu k\u1ef3<\/td><\/tr>
V\u1eadt li\u1ec7u thay \u0111\u1ed5i pha<\/td>Kh\u1ea3 n\u0103ng x\u1eed l\u00fd ch\u1eafc ch\u1eafn nh\u1edd c\u01a1 ch\u1ebf l\u00e0m \u01b0\u1edbt k\u00edch ho\u1ea1t b\u1eb1ng nhi\u1ec7t<\/td>C\u1ea7n c\u00f3 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t k\u00edch ho\u1ea1t ph\u00f9 h\u1ee3p<\/td><\/tr>
Gel ho\u1eb7c h\u1ed7n h\u1ee3p \u0111\u00f3ng r\u1eafn<\/td>\u0110\u1ed9 ch\u1ea3y t\u1ef1 do gi\u1ea3m sau khi \u0111\u00f3ng r\u1eafn<\/td>Gi\u1ea3m c\u0103ng th\u1eb3ng, gi\u1ea3m nguy c\u01a1 n\u1ee9t v\u1ee1, gi\u1ea3m c\u00f4ng vi\u1ec7c s\u1eeda ch\u1eefa<\/td><\/tr>
Giao di\u1ec7n graphite<\/td>Kh\u00f4ng c\u00f3 ch\u1ea5t mang l\u1ecfng n\u00e0o di chuy\u1ec3n<\/td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n v\u00e0 c\u00e1c gi\u1edbi h\u1ea1n tu\u00e2n th\u1ee7<\/td><\/tr>
Mi\u1ebfng t\u1ea3n nhi\u1ec7t<\/td>H\u00ecnh d\u1ea1ng \u0111\u1ecbnh h\u00ecnh s\u1eb5n \u1ed5n \u0111\u1ecbnh<\/td>Giao di\u1ec7n d\u00e0y h\u01a1n v\u00e0 l\u1ef1c n\u00e9n<\/td><\/tr>
Keo tr\u00e1m ho\u1eb7c ch\u1ea5t tr\u00e1m khe h\u1edf<\/td>Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c khe h\u1edf kh\u00f4ng \u0111\u1ec1u ho\u1eb7c thay \u0111\u1ed5i<\/td>\u0110\u1ed9 d\u00e0y l\u1edbn h\u01a1n v\u00e0 ki\u1ec3m so\u00e1t quy tr\u00ecnh ch\u1eb7t ch\u1ebd h\u01a1n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

V\u1eadt li\u1ec7u thay \u0111\u1ed5i pha<\/h3>\n\n\n\n

V\u1eadt li\u1ec7u PCM \u1edf tr\u1ea1ng th\u00e1i r\u1eafn \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng v\u00e0 m\u1ec1m ra khi g\u1ea7n \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 k\u00edch ho\u1ea1t. V\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m \u01b0\u1edbt b\u1ec1 m\u1eb7t trong qu\u00e1 tr\u00ecnh ch\u1ea1y th\u1eed v\u00e0 c\u00f3 th\u1ec3 gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh trong m\u1ed1i h\u00e0n m\u1ecfng. Nhi\u1ec7t \u0111\u1ed9 k\u00edch ho\u1ea1t, \u00e1p su\u1ea5t, \u0111\u1ed9 d\u00e0y v\u00e0 s\u1ed1 chu k\u1ef3 v\u1eabn c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t l\u1ea1i. T\u1ed5ng quan v\u1ec1 mi\u1ebfng t\u1ea3n nhi\u1ec7t thay \u0111\u1ed5i pha<\/a> gi\u1ea3i th\u00edch \u0111\u1ecbnh d\u1ea1ng n\u00e0y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p n\u00e0o.<\/p>\n\n\n\n

Gel \u0111\u00f3ng r\u1eafn, than ch\u00ec, mi\u1ebfng \u0111\u1ec7m v\u00e0 v\u1eadt li\u1ec7u l\u1ea5p khe h\u1edf<\/h3>\n\n\n\n

H\u1ee3p ch\u1ea5t \u0111\u00f3ng r\u1eafn nh\u1eb9 gi\u00fap gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng ch\u1ea3y t\u1ef1 do nh\u01b0ng c\u00f3 th\u1ec3 b\u1ecb n\u1ee9t. Graphite gi\u00fap lo\u1ea1i b\u1ecf hi\u1ec7n t\u01b0\u1ee3ng di chuy\u1ec3n c\u1ee7a ch\u1ea5t mang nh\u01b0ng c\u00f3 th\u1ec3 d\u1eabn \u0111i\u1ec7n v\u00e0 k\u00e9m linh ho\u1ea1t h\u01a1n. C\u00e1c mi\u1ebfng \u0111\u1ec7m \u0111\u1ea3m b\u1ea3o h\u00ecnh d\u1ea1ng \u1ed5n \u0111\u1ecbnh nh\u01b0ng l\u00e0m t\u0103ng \u0111\u1ed9 d\u00e0y v\u00e0 l\u1ef1c n\u00e9n.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi m\u1ed9t khe h\u1edf th\u1ef1c s\u1ef1, m\u1ee1 b\u00f4i tr\u01a1n th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p. Vi\u1ec7c so s\u00e1nh gi\u1eefa Keo t\u1ea3n nhi\u1ec7t so v\u1edbi ch\u1ea5t t\u1ea3n nhi\u1ec7t d\u1ea1ng kem<\/a> gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao b\u1ed9t tr\u00e1m c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c chi ti\u1ebft c\u00f3 chi\u1ec1u cao kh\u00f4ng \u0111\u1ec1u. C\u00e1c khoang l\u1edbn h\u01a1n ho\u1eb7c ph\u1ee9c t\u1ea1p h\u01a1n c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i ch\u1ea5t l\u1ecfng l\u1ea5p khe c\u00f3 t\u00ednh d\u1eabn nhi\u1ec7t<\/a> ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb t\u1ea1i ch\u1ed7 \u0111\u00f3. M\u1ed9t \u0111\u00e1nh gi\u00e1 to\u00e0n di\u1ec7n h\u01a1n v\u1ec1 c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf cho keo t\u1ea3n nhi\u1ec7t<\/a> c\u00f3 th\u1ec3 gi\u00fap l\u1ef1a ch\u1ecdn s\u01a1 b\u1ed9 c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 mi\u1ebfng \u0111\u1ec7m, PCM, than ch\u00ec, b\u1ed9t tr\u00e9t ho\u1eb7c ch\u1ea5t l\u1ecfng tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n

C\u00e1ch ki\u1ec3m tra hi\u1ec7n t\u01b0\u1ee3ng b\u01a1m h\u1ebft m\u1ee1 t\u1ea3n nhi\u1ec7t<\/h2>\n\n\n\n

Kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra x\u1ea3 \u00e1p n\u00e0o c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c m\u1ecdi tr\u01b0\u1eddng h\u1ee3p \u1ee9ng d\u1ee5ng. M\u1ed9t k\u1ebf ho\u1ea1ch hi\u1ec7u qu\u1ea3 c\u1ea7n k\u1ebft h\u1ee3p gi\u1eefa \u0111o nhi\u1ec7t \u0111\u1ed9, m\u00f4 ph\u1ecfng chuy\u1ec3n \u0111\u1ed9ng th\u1ef1c t\u1ebf v\u00e0 ki\u1ec3m tra th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

X\u00e1c \u0111\u1ecbnh m\u1ee9c c\u01a1 s\u1edf ban \u0111\u1ea7u<\/h3>\n\n\n\n

Ghi l\u1ea1i th\u00f4ng tin v\u1ec1 l\u00f4 v\u1eadt li\u1ec7u, l\u1edbp ph\u1ee7, \u0111\u01b0\u1eddng vi\u1ec1n li\u00ean k\u1ebft, t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t, t\u1ea3i tr\u1ecdng k\u1eb9p, ngu\u1ed3n \u0111i\u1ec7n, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng xung quanh ho\u1eb7c ch\u1ea5t l\u00e0m m\u00e1t, v\u00e0 k\u1ebft qu\u1ea3 nhi\u1ec7t. S\u1eed d\u1ee5ng \u0111\u1ee7 s\u1ed1 l\u01b0\u1ee3ng m\u1eabu \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 bi\u1ebfn \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p. \u0110o \u0111i\u1ec7n tr\u1edf nhi\u1ec7t ban \u0111\u1ea7u ho\u1eb7c m\u1ed9t ch\u1ec9 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i sau b\u1ea5t k\u1ef3 qu\u00e1 tr\u00ecnh ch\u1ea1y th\u1eed n\u00e0o, v\u00e0 l\u01b0u gi\u1eef c\u00e1c m\u1eabu \u0111\u1ed1i ch\u1ee9ng.<\/p>\n\n\n\n

\u00c1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 v\u00e0 ng\u1eaft\/b\u1eadt ngu\u1ed3n cho c\u00e1c c\u00e2u h\u1ecfi kh\u00e1c nhau<\/h3>\n\n\n\n

C\u00e1c ti\u00eau chu\u1ea9n IEC 60068-2-14 v\u00e0 JEDEC JESD22-A104 cung c\u1ea5p c\u00e1c khung h\u01b0\u1edbng d\u1eabn h\u1eefu \u00edch cho vi\u1ec7c th\u1eed nghi\u1ec7m ti\u1ebfp x\u00fac v\u1edbi s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c chu k\u1ef3 nhi\u1ec7t \u0111\u1ed9. C\u00e1c ti\u00eau chu\u1ea9n n\u00e0y kh\u00f4ng quy \u0111\u1ecbnh m\u1ed9t bi\u1ec3u \u0111\u1ed3 x\u1ea3 m\u1ee1 chung n\u00e0o. C\u1ea7n l\u1ef1a ch\u1ecdn nhi\u1ec7t \u0111\u1ed9, t\u1ed1c \u0111\u1ed9 t\u0103ng nhi\u1ec7t, th\u1eddi gian duy tr\u00ec v\u00e0 s\u1ed1 l\u1ea7n chu k\u1ef3 d\u1ef1a tr\u00ean m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m chu k\u1ef3 nhi\u1ec7t trong bu\u1ed3ng th\u1eed s\u1ebd l\u00e0m thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u1ee7a to\u00e0n b\u1ed9 c\u1ee5m thi\u1ebft b\u1ecb. Qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m chu k\u1ef3 nhi\u1ec7t l\u00e0m n\u00f3ng thi\u1ebft b\u1ecb t\u1eeb b\u00ean trong v\u00e0 c\u00f3 th\u1ec3 t\u00e1i t\u1ea1o c\u00e1c \u0111\u1ed9 d\u1ed1c nhi\u1ec7t c\u1ee5c b\u1ed9 c\u0169ng nh\u01b0 hi\u1ec7n t\u01b0\u1ee3ng cong v\u00eanh. Nhi\u1ec1u s\u1ea3n ph\u1ea9m c\u1ea7n c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p n\u00e0y. Ch\u1ec9 n\u00ean th\u00eam y\u1ebfu t\u1ed1 rung \u0111\u1ed9ng ho\u1eb7c u\u1ed1n cong khi c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y ph\u1ea3n \u00e1nh \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

T\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i m\u00e0 kh\u00f4ng l\u00e0m m\u1ea5t \u0111i t\u00ednh ph\u00f9 h\u1ee3p v\u1edbi b\u1ed1i c\u1ea3nh<\/h3>\n\n\n\n

M\u1ed9t thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh c\u01a1 h\u1ecdc c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 d\u1ecbch chuy\u1ec3n ho\u1eb7c thay \u0111\u1ed5i \u00e1p su\u1ea5t theo ki\u1ec3m so\u00e1t. \u0110i\u1ec1u n\u00e0y gi\u00fap so s\u00e1nh c\u00e1c c\u00f4ng th\u1ee9c m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 t\u00e1ch bi\u1ec7t s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng kh\u1ecfi qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a h\u00f3a h\u1ecdc. Ph\u1ea7n kh\u00f3 nh\u1ea5t l\u00e0 vi\u1ec7c x\u00e1c \u0111\u1ecbnh m\u1ed1i t\u01b0\u01a1ng quan. C\u1ea7n x\u00e1c nh\u1eadn r\u1eb1ng c\u00e1c m\u1eabu h\u01b0 h\u1ecfng, s\u1ef1 thay \u0111\u1ed5i tr\u1edf kh\u00e1ng v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng di chuy\u1ec3n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 k\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf ho\u1eb7c sau c\u00e1c chu k\u1ef3 b\u1eadt\/t\u1eaft ngu\u1ed3n.<\/p>\n\n\n\n

\u0110o tr\u01b0\u1edbc v\u00e0 sau khi l\u00e3o h\u00f3a<\/h3>\n\n\n\n

ASTM D5470-17 (2024)<\/a> M\u00f4 t\u1ea3 ph\u01b0\u01a1ng ph\u00e1p \u0111o c\u00e1c \u0111\u1eb7c t\u00ednh truy\u1ec1n nhi\u1ec7t c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n d\u1eabn nhi\u1ec7t. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p th\u1ef1c hi\u1ec7n so s\u00e1nh tr\u1edf kh\u00e1ng nhi\u1ec7t ban \u0111\u1ea7u v\u00e0 sau qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a m\u1ed9t c\u00e1ch c\u00f3 ki\u1ec3m so\u00e1t. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00f4ng quy \u0111\u1ecbnh chu tr\u00ecnh b\u01a1m-th\u1ea3i c\u1ee5 th\u1ec3 c\u0169ng nh\u01b0 kh\u00f4ng \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t trong b\u1ea5t k\u1ef3 CPU, GPU hay m\u00f4-\u0111un ngu\u1ed3n c\u1ee5 th\u1ec3 n\u00e0o.<\/p>\n\n\n\n

K\u1ebft h\u1ee3p k\u1ebft qu\u1ea3 \u0111o nhi\u1ec7t v\u1edbi h\u00ecnh \u1ea3nh ho\u1eb7c qu\u00e1 tr\u00ecnh th\u00e1o r\u1eddi. Si\u00eau \u00e2m c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c kho\u1ea3ng tr\u1ed1ng b\u00ean trong, trong khi h\u00ecnh \u1ea3nh nhi\u1ec7t c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c v\u00f9ng n\u00f3ng. K\u1ef9 thu\u1eadt quan s\u00e1t d\u01b0\u1edbi k\u00ednh hi\u1ec3n vi, ph\u00e2n t\u00edch ph\u1ea1m vi ph\u1ee7 s\u00f3ng v\u00e0 \u1ea3nh ch\u1ee5p gi\u00fap ghi l\u1ea1i qu\u00e1 tr\u00ecnh di chuy\u1ec3n sau khi th\u00e1o r\u1eddi.<\/p>\n\n\n\n

X\u00e1c \u0111\u1ecbnh ti\u00eau ch\u00ed \u0110\u1ea1t\/Kh\u00f4ng \u0111\u1ea1t tr\u01b0\u1edbc khi ki\u1ec3m tra<\/h3>\n\n\n\n

C\u00e1c ti\u00eau ch\u00ed h\u1eefu \u00edch c\u00f3 th\u1ec3 bao g\u1ed3m:<\/p>\n\n\n\n

    \n
  • s\u1ef1 thay \u0111\u1ed5i t\u1ed1i \u0111a c\u1ee7a tr\u1edf kh\u00e1ng nhi\u1ec7t;<\/li>\n\n\n\n
  • nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a c\u1ee7a thi\u1ebft b\u1ecb ho\u1eb7c m\u1ee9c t\u0103ng nhi\u1ec7t \u0111\u1ed9 t\u1ea1i \u0111i\u1ec3m n\u00f3ng khi c\u00f4ng su\u1ea5t \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n;<\/li>\n\n\n\n
  • di\u1ec7n t\u00edch t\u1ed1i thi\u1ec3u \u0111\u01b0\u1ee3c bao ph\u1ee7 trong v\u00f9ng quan tr\u1ecdng;<\/li>\n\n\n\n
  • kh\u00f4ng c\u00f3 s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng gian tr\u1ed1ng kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c;<\/li>\n\n\n\n
  • kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng di chuy\u1ec3n ch\u1ea5t b\u00f4i tr\u01a1n v\u00e0o v\u00f9ng c\u1ea5m \u0111i\u1ec7n;<\/li>\n\n\n\n
  • kh\u00f4ng c\u00f3 v\u1ebft n\u1ee9t, bong tr\u00f3c hay h\u01b0 h\u1ecfng ph\u1ea7n c\u1ee9ng;<\/li>\n\n\n\n
  • k\u1ebft qu\u1ea3 \u1ed5n \u0111\u1ecbnh gi\u1eefa c\u00e1c l\u00f4 v\u00e0 gi\u1eefa c\u00e1c nh\u00e2n vi\u00ean l\u1eafp r\u00e1p.<\/li>\n<\/ul>\n\n\n\n

    H\u00e3y \u0111\u1eb7t ra c\u00e1c gi\u1edbi h\u1ea1n d\u1ef1a tr\u00ean bi\u00ean \u0111\u1ed9 an to\u00e0n v\u00e0 y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng. \u201cTr\u00f4ng c\u00f3 v\u1ebb \u1ed5n\u201d kh\u00f4ng ph\u1ea3i l\u00e0 ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n

    Danh s\u00e1ch ki\u1ec3m tra nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 th\u1ef1c ti\u1ec5n cho qu\u00e1 tr\u00ecnh b\u01a1m th\u1ea3i<\/h2>\n\n\n\n
      \n
    1. Nhi\u1ec7t \u0111\u1ed9 c\u00f3 b\u1eaft \u0111\u1ea7u \u1edf m\u1ee9c th\u1ea5p r\u1ed3i t\u0103ng l\u00ean sau c\u00e1c chu k\u1ef3 v\u1eadn h\u00e0nh l\u1eb7p \u0111i l\u1eb7p l\u1ea1i kh\u00f4ng?<\/li>\n\n\n\n
    2. Ph\u1ea7n gi\u1eefa c\u00f3 m\u1ecfng hay tr\u1ed1ng tr\u01a1n trong khi v\u1eadt li\u1ec7u l\u1ea1i t\u1eadp trung g\u1ea7n m\u00e9p kh\u00f4ng?<\/li>\n\n\n\n
    3. Trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng, li\u1ec7u v\u1ecf thi\u1ebft b\u1ecb, b\u1ed9 t\u1ea3n nhi\u1ec7t, t\u1ea5m \u0111\u1ebf v\u00e0 t\u1ea5m l\u00e0m m\u00e1t c\u00f3 ph\u1eb3ng v\u00e0 song song v\u1edbi nhau kh\u00f4ng?<\/li>\n\n\n\n
    4. L\u1ef1c k\u1eb9p c\u00f3 \u1ed5n \u0111\u1ecbnh, \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 n\u1eb1m trong ph\u1ea1m vi quy \u0111\u1ecbnh c\u1ee7a linh ki\u1ec7n kh\u00f4ng?<\/li>\n\n\n\n
    5. \u0110\u1ed9 d\u00e0y \u0111\u01b0\u1eddng h\u00e0n c\u00f3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u1edf c\u00e1c m\u1ee9c khe h\u1edf t\u1ed1i thi\u1ec3u, danh \u0111\u1ecbnh v\u00e0 t\u1ed1i \u0111a kh\u00f4ng?<\/li>\n\n\n\n
    6. D\u1ea7u b\u00f4i tr\u01a1n c\u00f3 d\u1eef li\u1ec7u li\u00ean quan v\u1ec1 vi\u1ec7c b\u01a1m ra, x\u1ea3 kh\u00ed v\u00e0 chu k\u1ef3 v\u1eadn h\u00e0nh kh\u00f4ng?<\/li>\n\n\n\n
    7. C\u00f3 hi\u1ec7n t\u01b0\u1ee3ng rung l\u1eafc, u\u1ed1n cong v\u00e1n, l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean \u1ed1ng d\u1eabn hay bi\u1ebfn d\u1ea1ng t\u1ea5m \u0111\u1ebf kh\u00f4ng?<\/li>\n\n\n\n
    8. C\u00f3 th\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t ho\u1eb7c bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng?<\/li>\n\n\n\n
    9. Trong s\u1ed1 c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 PCM, gel, than ch\u00ec, mi\u1ebfng \u0111\u1ec7m, b\u1ed9t tr\u00e9t hay ch\u1ea5t tr\u00e1m khe, lo\u1ea1i n\u00e0o s\u1ebd ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac?<\/li>\n\n\n\n
    10. Li\u1ec7u c\u1ee5m l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh c\u00f3 v\u01b0\u1ee3t qua \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m v\u1eadn h\u00e0nh theo chu k\u1ef3 th\u1ef1c t\u1ebf v\u1edbi c\u00e1c gi\u1edbi h\u1ea1n \u0111\u00e3 quy \u0111\u1ecbnh hay kh\u00f4ng?<\/li>\n<\/ol>\n\n\n\n

      K\u1ebft lu\u1eadn<\/h2>\n\n\n\n

      Vi\u1ec7c b\u01a1m h\u1ebft m\u1ee1 t\u1ea3n nhi\u1ec7t l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 tin c\u1eady c\u01a1 h\u1ecdc \u1edf c\u1ea5p \u0111\u1ed9 h\u1ec7 th\u1ed1ng. S\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1ec1 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (CTE), hi\u1ec7n t\u01b0\u1ee3ng cong v\u00eanh, l\u1ef1c c\u1eaft tu\u1ea7n ho\u00e0n, \u0111\u1ed9 d\u00e0y l\u1edbp k\u1ebft d\u00ednh, l\u1ef1c k\u1eb9p, h\u00ecnh h\u1ecdc b\u1ec1 m\u1eb7t v\u00e0 t\u00ednh l\u01b0u bi\u1ebfn c\u1ee7a m\u1ee1 t\u1ea3n nhi\u1ec7t \u0111\u1ec1u t\u00e1c \u0111\u1ed9ng l\u1eabn nhau. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c b\u00f4i l\u1ea1i m\u1ee1 t\u1ea3n nhi\u1ec7t nhi\u1ec1u l\u1ea7n c\u00f3 th\u1ec3 gi\u00fap kh\u00f4i ph\u1ee5c nhi\u1ec7t \u0111\u1ed9 trong m\u1ed9t th\u1eddi gian ng\u1eafn m\u00e0 kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5.<\/p>\n\n\n\n

      H\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb c\u00e1c b\u1eb1ng ch\u1ee9ng. X\u00e1c nh\u1eadn xu h\u01b0\u1edbng hi\u1ec7u su\u1ea5t, ki\u1ec3m so\u00e1t c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m, ki\u1ec3m tra m\u00f4 h\u00ecnh ti\u1ebfp x\u00fac v\u00e0 lo\u1ea1i tr\u1eeb c\u00e1c th\u00e0nh ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t. Sau \u0111\u00f3, ti\u1ebfn h\u00e0nh t\u1eeb giao di\u1ec7n ra ngo\u00e0i: l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p, ki\u1ec3m so\u00e1t l\u1edbp ph\u1ee7 v\u00e0 \u0111\u01b0\u1eddng n\u1ed1i, \u1ed5n \u0111\u1ecbnh gi\u00e1 \u0111\u1ee1, gi\u1ea3m thi\u1ec3u chuy\u1ec3n \u0111\u1ed9ng v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c dao \u0111\u1ed9ng nhi\u1ec7t khi c\u00f3 th\u1ec3.<\/p>\n\n\n\n

      Gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 s\u1eed d\u1ee5ng m\u1ee1 b\u00f4i tr\u01a1n \u0111\u1eb7c h\u01a1n, l\u1ef1c l\u1eafp r\u00e1p l\u1edbn h\u01a1n hay m\u1ed9t m\u00f4-\u0111un \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 (PCM) th\u1eddi th\u01b0\u1ee3ng. \u0110\u00f3 ch\u00ednh l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p gi\u00fap duy tr\u00ec ti\u1ebfp x\u00fac trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p th\u1ef1c t\u1ebf. C\u1ea7n ki\u1ec3m ch\u1ee9ng s\u1ef1 k\u1ebft h\u1ee3p \u0111\u00f3 trong c\u00e1c chu k\u1ef3 nhi\u1ec7t v\u00e0 c\u01a1 h\u1ecdc ti\u00eau bi\u1ec3u, \u0111\u1ed3ng th\u1eddi \u0111\u00e1nh gi\u00e1 d\u1ef1a tr\u00ean \u0111\u1ed9 l\u1ec7ch nhi\u1ec7t c\u00f9ng t\u00ecnh tr\u1ea1ng v\u1eadt l\u00fd. \u0110\u00f3 ch\u00ednh l\u00e0 c\u00e1ch m\u1ed9t gi\u1ea3i ph\u00e1p kh\u1eafc ph\u1ee5c nhi\u1ec7t t\u1ea1m th\u1eddi tr\u1edf th\u00e0nh m\u1ed9t thi\u1ebft k\u1ebf b\u1ec1n v\u1eefng.<\/p>\n\n\n\n

      C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n

      \u201cB\u01a1m x\u1ea3 m\u1ee1 t\u1ea3n nhi\u1ec7t\u201d l\u00e0 g\u00ec?<\/h3>\n\n\n\n

      Qu\u00e1 tr\u00ecnh b\u01a1m h\u1ebft m\u1ee1 t\u1ea3n nhi\u1ec7t l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng d\u1ecbch chuy\u1ec3n d\u1ea7n d\u1ea7n kh\u1ecfi v\u00f9ng ti\u1ebfp x\u00fac ho\u1ea1t \u0111\u1ed9ng. C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 bi\u1ebfn d\u1ea1ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i, rung \u0111\u1ed9ng v\u00e0 thay \u0111\u1ed5i \u00e1p su\u1ea5t l\u00e0m d\u1ecbch chuy\u1ec3n \u0111\u01b0\u1eddng n\u1ed1i, th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng t\u00edch t\u1ee5 \u1edf c\u00e1c m\u00e9p v\u00e0 l\u1edbp ph\u1ee7 y\u1ebfu \u1edf v\u00f9ng trung t\u00e2m.<\/p>\n\n\n\n

      \u0110i\u1ec1u g\u00ec g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u201cb\u01a1m ra\u201d trong keo t\u1ea3n nhi\u1ec7t?<\/h3>\n\n\n\n

      Chuy\u1ec3n \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh. S\u1ef1 kh\u00f4ng kh\u1edbp CTE, hi\u1ec7n t\u01b0\u1ee3ng cong v\u00eanh, rung \u0111\u1ed9ng, \u0111\u1ed9 u\u1ed1n cong c\u1ee7a b\u1ea3ng m\u1ea1ch, s\u1ef1 thay \u0111\u1ed5i l\u1ef1c k\u1eb9p, h\u00ecnh h\u1ecdc c\u1ee7a \u0111\u01b0\u1eddng n\u1ed1i v\u00e0 t\u00ednh l\u01b0u bi\u1ebfn c\u1ee7a m\u1ee1 b\u00f4i tr\u01a1n l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n.<\/p>\n\n\n\n

      L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 bi\u1ebft keo t\u1ea3n nhi\u1ec7t \u0111\u00e3 b\u1ecb \u0111\u1ea9y ra ngo\u00e0i?<\/h3>\n\n\n\n

      H\u00e3y ch\u00fa \u00fd \u0111\u1ebfn hi\u1ec7u su\u1ea5t ban \u0111\u1ea7u t\u1ed1t nh\u01b0ng gi\u1ea3m d\u1ea7n theo s\u1ed1 chu k\u1ef3, c\u00f9ng v\u1edbi v\u00f9ng n\u00f3ng h\u1eb9p v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng t\u00edch t\u1ee5 \u1edf m\u00e9p khi th\u00e1o d\u1ee1. Ki\u1ec3m so\u00e1t ngu\u1ed3n \u0111i\u1ec7n v\u00e0 h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t, sau \u0111\u00f3 lo\u1ea1i tr\u1eeb c\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn b\u1ee5i, ph\u1ea7n c\u1ee9ng, c\u00e1ch l\u1eafp \u0111\u1eb7t v\u00e0 \u0111\u1ed9 ph\u1eb3ng.<\/p>\n\n\n\n

      Hi\u1ec7n t\u01b0\u1ee3ng \u201cPump-Out\u201d c\u00f3 gi\u1ed1ng v\u1edbi hi\u1ec7n t\u01b0\u1ee3ng kh\u00f4 keo t\u1ea3n nhi\u1ec7t kh\u00f4ng?<\/h3>\n\n\n\n

      Kh\u00f4ng. Qu\u00e1 tr\u00ecnh \u201cb\u01a1m ra\u201d l\u00e0 s\u1ef1 d\u1ecbch chuy\u1ec3n c\u01a1 h\u1ecdc; c\u00f2n qu\u00e1 tr\u00ecnh \u201ckh\u00f4 c\u1ea1n\u201d li\u00ean quan \u0111\u1ebfn s\u1ef1 m\u1ea5t ch\u1ea5t mang, s\u1ef1 t\u00e1ch bi\u1ec7t, qu\u00e1 tr\u00ecnh oxy h\u00f3a ho\u1eb7c qu\u00e1 tr\u00ecnh c\u1ee9ng l\u1ea1i. Hai hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra c\u00f9ng l\u00fac, nh\u01b0ng nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 c\u1ee7a ch\u00fang l\u00e0 kh\u00e1c nhau.<\/p>\n\n\n\n

      T\u1ea1i sao hi\u1ec7n t\u01b0\u1ee3ng \u201cpump-out\u201d l\u1ea1i th\u01b0\u1eddng x\u1ea3y ra tr\u00ean GPU v\u00e0 m\u00e1y t\u00ednh x\u00e1ch tay?<\/h3>\n\n\n\n

      C\u00e1c khu\u00f4n tr\u1ea7n, nhi\u1ec7t \u0111\u1ed9 t\u1eadp trung, c\u1ea5u tr\u00fac linh ho\u1ea1t, v\u00edt l\u00f2 xo v\u00e0 c\u00e1c mi\u1ebfng \u0111\u1ec7m xung quanh khi\u1ebfn v\u00f9ng ti\u1ebfp x\u00fac tr\u1edf n\u00ean nh\u1ea1y c\u1ea3m. Qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i nhi\u1ec1u l\u1ea7n c\u00f3 th\u1ec3 khi\u1ebfn l\u1edbp b\u1ed9t h\u00e0n \u1edf v\u00f9ng r\u00eca b\u1ecb d\u1ecbch chuy\u1ec3n ra kh\u1ecfi t\u00e2m.<\/p>\n\n\n\n

      \u00c1p su\u1ea5t ng\u00e0y c\u00e0ng t\u0103ng c\u00f3 ng\u0103n c\u1ea3n hi\u1ec7n t\u01b0\u1ee3ng b\u01a1m h\u1ebft m\u1ee1 t\u1ea3n nhi\u1ec7t kh\u00f4ng?<\/h3>\n\n\n\n

      \u0110\u00fang v\u1eady, vi\u1ec7c t\u00e1c d\u1ee5ng l\u1ef1c \u0111\u1ec1u \u0111\u1eb7n s\u1ebd gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng th\u1ea5m \u01b0\u1edbt v\u00e0 ki\u1ec3m so\u00e1t \u0111\u01b0\u1eddng n\u1ed1i. L\u1ef1c qu\u00e1 m\u1ea1nh c\u00f3 th\u1ec3 l\u00e0m ch\u1ea5t li\u1ec7u b\u1ecb \u00e9p ra ngo\u00e0i ho\u1eb7c l\u00e0m bi\u1ebfn d\u1ea1ng c\u00e1c b\u1ed9 ph\u1eadn, v\u00ec v\u1eady h\u00e3y tu\u00e2n th\u1ee7 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a ph\u1ee5 ki\u1ec7n thay v\u00ec ch\u1ec9 \u0111\u01a1n thu\u1ea7n si\u1ebft ch\u1eb7t h\u01a1n.<\/p>\n\n\n\n

      Lo\u1ea1i b\u1ed9t nh\u00e3o \u0111\u1eb7c h\u01a1n hay c\u00f3 \u0111\u1ed9 nh\u1edbt cao h\u01a1n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i hi\u1ec7n t\u01b0\u1ee3ng b\u1ecb b\u01a1m ra kh\u00f4ng?<\/h3>\n\n\n\n

      Kh\u00f4ng h\u1eb3n v\u1eady. \u0110\u1ed9 nh\u1edbt \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng kh\u00f4ng ph\u1ea3n \u00e1nh \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t ch\u1ea3y, kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i c\u1ea5u tr\u00fac, hi\u1ec7n t\u01b0\u1ee3ng ch\u1ea3y tr\u00e0n v\u00e0 t\u00ednh ch\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 cao. C\u1ea7n ki\u1ec3m ch\u1ee9ng \u0111\u1ed9 b\u1ec1n trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n khe h\u1edf, \u00e1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9 v\u00e0 chuy\u1ec3n \u0111\u1ed9ng d\u1ef1 ki\u1ebfn.<\/p>\n\n\n\n

      V\u1eadt li\u1ec7u thay \u0111\u1ed5i pha c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng \u201cpump-out\u201d kh\u00f4ng?<\/h3>\n\n\n\n

      Ch\u1ea5t d\u1eabn nhi\u1ec7t thay \u0111\u1ed5i pha (TIM) c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng di chuy\u1ec3n c\u1ee7a ch\u1ea5t b\u00f4i tr\u01a1n nh\u1edd \u0111\u1eb7c t\u00ednh c\u1ee9ng ch\u1eafc khi thao t\u00e1c v\u00e0 tr\u1edf n\u00ean l\u1ecfng khi \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng. Tuy nhi\u00ean, lo\u1ea1i ch\u1ea5t n\u00e0y v\u1eabn c\u1ea7n c\u00f3 c\u00e1c th\u00f4ng s\u1ed1 ph\u00f9 h\u1ee3p v\u1ec1 nhi\u1ec7t \u0111\u1ed9 k\u00edch ho\u1ea1t, \u00e1p su\u1ea5t, \u0111\u1ed9 d\u00e0y v\u00e0 s\u1ed1 chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n

      Vi\u1ec7c ki\u1ec3m tra qu\u00e1 tr\u00ecnh b\u01a1m h\u1ebft m\u1ee1 t\u1ea3n nhi\u1ec7t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n

      C\u00e1c k\u1ef9 s\u01b0 thi\u1ebft l\u1eadp m\u1ed9t m\u1ee9c tham chi\u1ebfu, \u00e1p d\u1ee5ng c\u00e1c chu k\u1ef3 nhi\u1ec7t, c\u00f4ng su\u1ea5t, c\u01a1 h\u1ecdc ho\u1eb7c rung \u0111\u1ed9ng ti\u00eau bi\u1ec3u, sau \u0111\u00f3 so s\u00e1nh hi\u1ec7u su\u1ea5t nhi\u1ec7t. Ki\u1ec3m tra b\u1eb1ng s\u00f3ng si\u00eau \u00e2m v\u00e0 th\u00e1o d\u1ee1 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c kho\u1ea3ng tr\u1ed1ng, v\u1ebft n\u1ee9t v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng di chuy\u1ec3n.<\/p>\n\n\n\n

      Gi\u1ea3i ph\u00e1p l\u00e2u d\u00e0i n\u00e0o l\u00e0 t\u1ed1t nh\u1ea5t cho t\u00ecnh tr\u1ea1ng ph\u1ea3i b\u01a1m n\u01b0\u1edbc ra li\u00ean t\u1ee5c?<\/h3>\n\n\n\n

      Tr\u01b0\u1edbc ti\u00ean, h\u00e3y gi\u1ea3m thi\u1ec3u s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng b\u1eb1ng c\u00e1ch ki\u1ec3m tra \u0111\u1ed9 ph\u1eb3ng, \u0111\u1ed9 cong v\u00eanh, \u0111\u1ed9 d\u00e0y ch\u1ed3ng l\u1edbp mi\u1ebfng \u0111\u1ec7m, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a k\u1eb9p v\u00e0 dao \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9. Sau \u0111\u00f3, ti\u1ebfn h\u00e0nh \u0111\u00e1nh gi\u00e1 lo\u1ea1i m\u1ee1 b\u00f4i tr\u01a1n ph\u00f9 h\u1ee3p ho\u1eb7c v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t (TIM) thay th\u1ebf trong to\u00e0n b\u1ed9 c\u1ee5m l\u1eafp r\u00e1p.<\/p>","protected":false},"excerpt":{"rendered":"

      Thermal grease pump-out is the gradual movement of grease away from the active contact area between a hot component and […]<\/p>\n","protected":false},"author":4,"featured_media":1355,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1824","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/posts\/1824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/comments?post=1824"}],"version-history":[{"count":1,"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/posts\/1824\/revisions"}],"predecessor-version":[{"id":1825,"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/posts\/1824\/revisions\/1825"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/media\/1355"}],"wp:attachment":[{"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/media?parent=1824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/categories?post=1824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/tags?post=1824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}