{"id":1937,"date":"2026-08-24T08:21:17","date_gmt":"2026-08-24T08:21:17","guid":{"rendered":"https:\/\/haktak.com\/?p=1937"},"modified":"2026-08-31T08:52:15","modified_gmt":"2026-08-31T08:52:15","slug":"pcm-thermal-pad-vs-thermal-grease-mass-production","status":"publish","type":"post","link":"https:\/\/haktak.com\/vi\/pcm-thermal-pad-vs-thermal-grease-mass-production\/","title":{"rendered":"Mi\u1ebfng \u0111\u1ec7m nhi\u1ec7t PCM v\u00e0 Keo t\u1ea3n nhi\u1ec7t cho s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t"},"content":{"rendered":"
\n

Tr\u00ean b\u00e0n th\u00ed nghi\u1ec7m, c\u1ea3 hai v\u1eadt li\u1ec7u \u0111\u1ec1u c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n. \u0110\u1eb7t v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t gi\u1eefa linh ki\u1ec7n n\u00f3ng v\u00e0 b\u1ed9 ph\u1eadn m\u00e1t h\u01a1n, si\u1ebft ch\u1eb7t ph\u1ea7n g\u00e1 l\u1eafp, r\u1ed3i \u0111o nhi\u1ec7t \u0111\u1ed9. V\u1eady l\u00e0 xong, \u0111\u00fang kh\u00f4ng?<\/p>\n\n\n\n

\"Mi\u1ebfng<\/figure>\n\n\n\n

Tuy nhi\u00ean, s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t l\u1ea1i kh\u00f4ng \u0111\u01a1n gi\u1ea3n nh\u01b0 v\u1eady. M\u1ed9t c\u00f4ng nh\u00e2n b\u00f4i nhi\u1ec1u v\u1eadt li\u1ec7u h\u01a1n m\u1ed9t ch\u00fat. Khu\u00f4n stencil b\u1eaft \u0111\u1ea7u b\u1ecb m\u00e0i m\u00f2n. L\u1edbp l\u00f3t b\u1ecb r\u00e1ch. T\u1ea5m l\u00e0m l\u1ea1nh \u0111\u1ebfn n\u01a1i v\u1edbi \u0111\u1ed9 cong nh\u1eb9. Sau \u0111\u00f3, c\u00f9ng m\u1ed9t thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p m\u01b0\u1eddi ngh\u00ecn l\u1ea7n.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u00fd do \u0111\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 cu\u1ed9c so s\u00e1nh v\u1ec1 \u0111\u1ed9 d\u1eabn nhi\u1ec7t. Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t PCM th\u01b0\u1eddng cho ph\u00e9p l\u1eafp \u0111\u1eb7t s\u1ea1ch s\u1ebd v\u00e0 c\u00f3 ki\u1ec3m so\u00e1t h\u01a1n. M\u1ee1 t\u1ea3n nhi\u1ec7t t\u1ea1o \u0111\u1ed9 th\u1ea5m \u01b0\u1edbt t\u1ee9c th\u00ec v\u00e0 l\u1edbp giao di\u1ec7n r\u1ea5t m\u1ecfng. L\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n l\u00e0 l\u1ef1a ch\u1ecdn v\u1eabn ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t th\u1ef1c t\u1ebf, trong \u0111i\u1ec1u ki\u1ec7n bi\u1ebfn \u0111\u1ed9ng th\u1ef1c t\u1ebf c\u1ee7a s\u1ea3n xu\u1ea5t v\u00e0 su\u1ed1t v\u00f2ng \u0111\u1eddi s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

Quy\u1ebft \u0111\u1ecbnh s\u1ea3n xu\u1ea5t trong m\u1ed9t b\u1ea3ng<\/h2>\n\n\n\n
Y\u1ebfu t\u1ed1<\/strong><\/td>PCM Mi\u1ebfng \u0111\u1ec7m d\u1eabn nhi\u1ec7t<\/strong><\/td>M\u1ee1 t\u1ea3n nhi\u1ec7t<\/strong><\/td><\/tr>
T\u1ea1o h\u00ecnh trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p<\/strong><\/td>M\u00e0ng d\u1ea1ng r\u1eafn ho\u1eb7c b\u00e1n r\u1eafn, th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1ebf c\u1eaft<\/td>D\u1ea1ng s\u1ec7t, \u0111\u1ed9 nh\u1edbt cao, kh\u00f4ng \u0111\u00f3ng r\u1eafn<\/td><\/tr>
S\u1ef1 l\u00e0m \u01b0\u1edbt b\u1ec1 m\u1eb7t<\/strong><\/td>Hi\u1ec7u n\u0103ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n sau khi \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha<\/td>B\u1eaft \u0111\u1ea7u \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng<\/td><\/tr>
L\u01b0\u1ee3ng v\u1eadt li\u1ec7u<\/strong><\/td>\u0110\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi di\u1ec7n t\u00edch v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a ph\u00f4i \u0111\u1ecbnh h\u00ecnh<\/td>\u0110\u01b0\u1ee3c ki\u1ec3m so\u00e1t theo kh\u1ed1i l\u01b0\u1ee3ng c\u1ea5p li\u1ec7u, m\u1eabu in ho\u1eb7c stencil<\/td><\/tr>
X\u1eed l\u00fd trong s\u1ea3n xu\u1ea5t<\/strong><\/td>Quy tr\u00ecnh b\u00f3c v\u00e0 \u0111\u1eb7t s\u1ea1ch<\/td>Quy tr\u00ecnh ph\u00e2n ph\u1ed1i ho\u1eb7c in \u1ea5n, c\u00f3 nhu c\u1ea7u v\u1ec7 sinh<\/td><\/tr>
Ki\u1ec3m so\u00e1t \u0111\u01b0\u1eddng li\u00ean k\u1ebft<\/strong><\/td>Usually repeatable when pressure and activation are correct<\/td>Can be excellent, but depends heavily on deposit and mounting control<\/td><\/tr>
Main reliability concern<\/strong><\/td>Ho\u1ea1t h\u00f3a kh\u00f4ng ho\u00e0n to\u00e0n, ti\u1ebfp x\u00fac k\u00e9m ho\u1eb7c \u0111\u1eb7c t\u00ednh chu k\u1ef3 kh\u00f4ng ph\u00f9 h\u1ee3p<\/td>Hi\u1ec7n t\u01b0\u1ee3ng b\u1ecb \u0111\u1ea9y ra, kh\u00f4 h\u00f3a, t\u00e1ch d\u1ea7u v\u00e0 d\u1ecbch chuy\u1ec3n<\/td><\/tr>
S\u1eeda l\u1ea1i<\/strong><\/td>Th\u00f4ng th\u01b0\u1eddng c\u00f3 th\u1ec3 th\u00e1o ra, nh\u01b0ng c\u1ea7n thay l\u1edbp m\u00e0ng c\u0169<\/td>D\u1ec5 th\u00e1o b\u1ecf, nh\u01b0ng vi\u1ec7c v\u1ec7 sinh c\u00f3 th\u1ec3 g\u00e2y b\u1eeba b\u1ed9n<\/td><\/tr>
Chi ph\u00ed nguy\u00ean li\u1ec7u th\u00f4<\/strong><\/td>Th\u01b0\u1eddng cao h\u01a1n<\/td>Th\u01b0\u1eddng th\u1ea5p h\u01a1n<\/td><\/tr>
L\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t \u0111\u1ec3 b\u1eaft \u0111\u1ea7u<\/strong><\/td>C\u00e1c m\u1ed1i gh\u00e9p m\u1ecfng, ph\u1eb3ng, \u0111\u01b0\u1ee3c k\u1eb9p ch\u1eb7t, y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t s\u1ea1ch s\u1ebd v\u00e0 \u0111\u1ed3ng nh\u1ea5t qua c\u00e1c l\u1ea7n<\/td>C\u00e1c m\u1ed1i gh\u00e9p m\u1ecfng, ph\u1eb3ng, y\u00eau c\u1ea7u th\u1ea5m \u01b0\u1edbt t\u1ee9c th\u00ec v\u00e0 thi c\u00f4ng linh ho\u1ea1t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

PCM th\u01b0\u1eddng c\u00f3 \u01b0u th\u1ebf v\u1ec1 t\u00ednh nh\u1ea5t qu\u00e1n khi thao t\u00e1c. M\u1ee1 t\u1ea3n nhi\u1ec7t th\u01b0\u1eddng c\u00f3 \u01b0u th\u1ebf v\u1ec1 t\u00ednh linh ho\u1ea1t c\u1ee7a quy tr\u00ecnh v\u00e0 chi ph\u00ed v\u1eadt li\u1ec7u ban \u0111\u1ea7u. Kh\u00f4ng c\u00f3 gi\u1ea3i ph\u00e1p n\u00e0o ph\u00f9 h\u1ee3p nh\u1ea5t cho m\u1ecdi c\u1ee5m l\u1eafp r\u00e1p.<\/p>\n\n\n\n

PCM Mi\u1ebfng \u0111\u1ec7m nhi\u1ec7t v\u00e0 m\u1ee1 t\u1ea3n nhi\u1ec7t th\u1ef1c ch\u1ea5t l\u00e0 g\u00ec<\/h2>\n\n\n\n
\"PCM<\/figure>\n\n\n\n

PCM kh\u00f4ng ph\u1ea3i l\u00e0 mi\u1ebfng \u0111\u1ec7m khe h\u1edf th\u00f4ng th\u01b0\u1eddng<\/h3>\n\n\n\n

A v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t chuy\u1ec3n pha<\/a> th\u01b0\u1eddng \u1edf tr\u1ea1ng th\u00e1i c\u1ee9ng \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. V\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 ch\u1ee9a s\u00e1p parafin ho\u1eb7c hydrocarbon t\u1ed5ng h\u1ee3p, ch\u1ea5t \u0111\u1ed9n d\u1eabn nhi\u1ec7t, ch\u1ea5t k\u1ebft d\u00ednh polymer v\u00e0 \u0111\u00f4i khi l\u00e0 m\u00e0ng n\u1ec1n.<\/p>\n\n\n\n

Khi giao di\u1ec7n \u0111\u1ea1t \u0111\u1ebfn kho\u1ea3ng chuy\u1ec3n ti\u1ebfp theo thi\u1ebft k\u1ebf, v\u1eadt li\u1ec7u s\u1ebd m\u1ec1m ra. V\u1eadt li\u1ec7u ch\u1ea3y v\u1eeba \u0111\u1ee7 \u0111\u1ec3 l\u00e0m \u01b0\u1edbt c\u00e1c \u0111\u1ec9nh v\u00e0 h\u00f5m si\u00eau nh\u1ecf. Kh\u00f4ng kh\u00ed b\u1ecb \u0111\u1ea9y ra ngo\u00e0i, \u0111\u1ed9 ti\u1ebfp x\u00fac \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 \u0111i\u1ec7n tr\u1edf nhi\u1ec7t gi\u1ea3m xu\u1ed1ng. Khi h\u1ec7 th\u1ed1ng ngu\u1ed9i \u0111i, v\u1eadt li\u1ec7u l\u1ea1i c\u1ee9ng h\u01a1n.<\/p>\n\n\n\n

C\u1ee5m t\u1eeb quan tr\u1ecdng l\u00e0 \u201cc\u00e1c \u0111\u1ec9nh v\u00e0 thung l\u0169ng vi m\u00f4\u201d. M\u1ed9t l\u1edbp m\u00e0ng PCM m\u1ecfng kh\u00f4ng th\u1ec3 thay th\u1ebf cho t\u1ea5m \u0111\u1ec7m khe silicone d\u00e0y. N\u00f3 kh\u00f4ng th\u1ec3 t\u1ef1 nhi\u00ean b\u1eafc c\u1ea7u qua m\u1ed9t khe h\u1edf c\u01a1 h\u1ecdc l\u1edbn ho\u1eb7c b\u00f9 cho s\u1ef1 ch\u00eanh l\u1ec7ch chi\u1ec1u cao nghi\u00eam tr\u1ecdng gi\u1eefa c\u00e1c linh ki\u1ec7n.<\/p>\n\n\n\n

M\u1ee1 t\u1ea3n nhi\u1ec7t l\u00e0 h\u1ee3p ch\u1ea5t ti\u1ebfp x\u00fac c\u00f3 ch\u1ea5t \u0111\u1ed9n<\/h3>\n\n\n\n

M\u1ee1 t\u1ea3n nhi\u1ec7t, keo t\u1ea3n nhi\u1ec7t v\u00e0 h\u1ee3p ch\u1ea5t t\u1ea3n nhi\u1ec7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 nh\u1eefng thu\u1eadt ng\u1eef g\u1ea7n nh\u01b0 \u0111\u1ed3ng ngh\u0129a. V\u1eadt li\u1ec7u n\u00e0y th\u01b0\u1eddng l\u00e0 ch\u1ea5t n\u1ec1n silicone ho\u1eb7c ch\u1ea5t n\u1ec1n t\u1ed5ng h\u1ee3p ch\u1ee9a c\u00e1c h\u1ea1t g\u1ed1m, kim lo\u1ea1i ho\u1eb7c v\u1eadt li\u1ec7u n\u1ec1n carbon.<\/p>\n\n\n\n

M\u1ee1 \u0111\u00e3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ea3y ngay trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p. D\u01b0\u1edbi \u00e1p l\u1ef1c k\u1eb9p, m\u1ee1 lan v\u00e0o c\u00e1c \u0111i\u1ec3m g\u1ed3 gh\u1ec1 tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp ti\u1ebfp x\u00fac m\u1ecfng. C\u00f3 th\u1ec3 h\u00ecnh dung nh\u01b0 m\u1ed9t l\u1edbp b\u01a1 \u0111\u1eadu ph\u1ed9ng r\u1ea5t m\u1ecfng gi\u1eefa hai mi\u1ebfng b\u00e1nh quy gi\u00f2n. M\u1ee1 l\u1ea5p \u0111\u1ea7y t\u1ed1t c\u00e1c c\u1ea5u tr\u00fac nh\u00e1m. Tuy nhi\u00ean, n\u1ebfu b\u00f4i qu\u00e1 nhi\u1ec1u, m\u1ee1 s\u1ebd b\u1ecb \u00e9p tr\u00e0n ra quanh c\u00e1c m\u00e9p.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi m\u00f4-\u0111un ph\u1eb3ng, \u0111\u01b0\u1ee3c l\u1eafp c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn, D\u1ea7u m\u1ee1 nhi\u1ec7t cho c\u00e1c module \u0111i\u1ec7n<\/a> c\u00f3 th\u1ec3 mang l\u1ea1i \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac r\u1ea5t th\u1ea5p. S\u1ea3n ph\u1ea9m \u00edt ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi khe h\u1edf l\u1edbn, m\u1ed1i gh\u00e9p l\u1ecfng ho\u1eb7c b\u1ec1 m\u1eb7t c\u00f3 \u0111\u1ed9 cao thay \u0111\u1ed5i tr\u00ean to\u00e0n b\u1ed9 c\u1ee5m l\u1eafp r\u00e1p.<\/p>\n\n\n\n

Hi\u1ec7u n\u0103ng nhi\u1ec7t: So s\u00e1nh v\u1eadt li\u1ec7u giao di\u1ec7n, kh\u00f4ng ch\u1ec9 nh\u00e3n m\u00e1c<\/h2>\n\n\n\n

M\u1ed1i quan h\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch \u0111\u01a1n gi\u1ea3n l\u00e0: R = t \/ (k \u00d7 A)<\/strong><\/p>\n\n\n\n

\u0110\u00e2y, R<\/strong> l\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, t<\/strong> \u0111\u1ed9 d\u00e0y \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.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y gi\u1ea3i th\u00edch t\u1ea1i sao gi\u00e1 tr\u1ecb W\/mK cao h\u01a1n kh\u00f4ng t\u1ef1 \u0111\u1ed9ng t\u1ea1o ra thi\u1ebft b\u1ecb m\u00e1t h\u01a1n. L\u1edbp v\u1eadt li\u1ec7u d\u00e0y t\u1ea1o ra \u0111\u01b0\u1eddng truy\u1ec1n nhi\u1ec7t d\u00e0i h\u01a1n. Kh\u1ea3 n\u0103ng l\u00e0m \u01b0\u1edbt k\u00e9m c\u0169ng \u0111\u1ec3 l\u1ea1i c\u00e1c t\u00fai kh\u00ed tr\u00ean b\u1ec1 m\u1eb7t. Trong ph\u1ea7n c\u1ee9ng th\u1ef1c t\u1ebf, k\u1ebft qu\u1ea3 bao g\u1ed3m \u0111i\u1ec7n tr\u1edf nhi\u1ec7t kh\u1ed1i c\u00f9ng v\u1edbi \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac, s\u1ef1 thay \u0111\u1ed5i \u00e1p su\u1ea5t, \u0111\u1ed9 nh\u00e1m v\u00e0 c\u00e1c kho\u1ea3ng r\u1ed7ng. H\u01b0\u1edbng d\u1eabn c\u1ee7a Haktak v\u1ec1 \u0111\u1ed9 d\u1eabn nhi\u1ec7t v\u00e0 t\u1ed5ng tr\u1edf nhi\u1ec7t<\/a> gi\u1ea3i th\u00edch s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3 chi ti\u1ebft h\u01a1n.<\/p>\n\n\n\n

H\u00e3y h\u00ecnh dung m\u1ed9t c\u00e2y c\u1ea7u. B\u00ea t\u00f4ng t\u1ed1t r\u1ea5t h\u1eefu \u00edch, nh\u01b0ng c\u00e2y c\u1ea7u v\u1eabn kh\u00f4ng ho\u00e0n th\u00e0nh nhi\u1ec7m v\u1ee5 n\u1ebfu d\u00e0i kh\u00f4ng c\u1ea7n thi\u1ebft ho\u1eb7c kh\u00f4ng ti\u1ebfp gi\u00e1p v\u1edbi m\u1eb7t \u0111\u01b0\u1eddng \u1edf c\u1ea3 hai \u0111\u1ea7u. M\u1ed9t TIM c\u0169ng ho\u1ea1t \u0111\u1ed9ng theo c\u00e1ch t\u01b0\u01a1ng t\u1ef1.<\/p>\n\n\n\n

M\u1ee1 th\u01b0\u1eddng l\u00e0m \u01b0\u1edbt b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac ngay t\u1eeb l\u1ea7n l\u1eafp r\u00e1p \u0111\u1ea7u ti\u00ean. PCM c\u00f3 th\u1ec3 th\u1ec3 hi\u1ec7n \u0111\u1eb7c t\u00ednh kh\u00e1c nhau tr\u01b0\u1edbc v\u00e0 sau khi k\u00edch ho\u1ea1t. Hi\u1ec7u su\u1ea5t \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a v\u1eadt li\u1ec7u ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p trong khi \u00e1p su\u1ea5t \u0111\u1ee7 l\u1edbn duy tr\u00ec ti\u1ebfp x\u00fac gi\u1eefa c\u1ea3 hai b\u1ec1 m\u1eb7t. V\u00ec v\u1eady, chu k\u1ef3 c\u1ea5p ngu\u1ed3n \u0111\u1ea7u ti\u00ean c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o k\u1ebf ho\u1ea1ch s\u1ea3n xu\u1ea5t v\u00e0 th\u1eed nghi\u1ec7m, thay v\u00ec xem \u0111\u00f3 l\u00e0 vi\u1ec7c ph\u1ee5.<\/p>\n\n\n\n

Nh\u1eefng thay \u0111\u1ed5i tr\u00ean d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t<\/h2>\n\n\n\n
\"Nh\u1eefng<\/figure>\n\n\n\n

PCM: B\u1ebf, b\u00f3c, \u0111\u1eb7t v\u00e0 k\u00edch ho\u1ea1t<\/h3>\n\n\n\n

PCM c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c cung c\u1ea5p \u1edf d\u1ea1ng t\u1ea5m, cu\u1ed9n ho\u1eb7c chi ti\u1ebft c\u1eaft s\u1eb5n. \u0110\u01a1n v\u1ecb gia c\u00f4ng c\u00f3 th\u1ec3 b\u1ed5 sung l\u1edbp l\u00f3t ch\u1ed1ng d\u00ednh, tai k\u00e9o, \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ecbnh v\u1ecb ho\u1eb7c c\u00e1c m\u1ea3ng b\u1ebf demi. Nh\u1eefng chi ti\u1ebft n\u00e0y c\u00f3 v\u1ebb nh\u1ecf, nh\u01b0ng ch\u00fang quy\u1ebft \u0111\u1ecbnh vi\u1ec7c ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 \u0111\u1eb7t v\u1eadt li\u1ec7u ngay ng\u1eafn trong ba gi\u00e2y hay ph\u1ea3i loay hoay v\u1edbi v\u1eadt li\u1ec7u trong m\u01b0\u1eddi l\u0103m gi\u00e2y.<\/p>\n\n\n\n

\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t ph\u00f4i PCM b\u1ebf theo y\u00eau c\u1ea7u<\/a> h\u1ed7 tr\u1ee3 \u0111\u1ed3 g\u00e1 th\u1ee7 c\u00f4ng, ki\u1ec3m tra b\u1eb1ng h\u1ec7 th\u1ed1ng th\u1ecb gi\u00e1c v\u00e0 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p l\u00e0 g\u1eafp-\u0111\u1eb7t t\u1ef1 \u0111\u1ed9ng. Di\u1ec7n t\u00edch v\u00e0 \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c cung c\u1ea5p x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng v\u1eadt li\u1ec7u danh ngh\u0129a. C\u0169ng d\u1ec5 d\u00e0ng ki\u1ec3m tra \u0111\u1ed9 ph\u1ee7 tr\u01b0\u1edbc khi l\u1eafp b\u1ed9 t\u1ea3n nhi\u1ec7t.<\/p>\n\n\n\n

Tuy nhi\u00ean, quy tr\u00ecnh v\u1eabn ti\u1ec1m \u1ea9n r\u1ee7i ro. M\u00e0ng m\u1ecfng c\u00f3 th\u1ec3 b\u1ecb g\u1ea5p, k\u00e9o gi\u00e3n ho\u1eb7c b\u00e1m b\u1ee5i. Ch\u1ecdn sai l\u1edbp l\u00f3t c\u00f3 th\u1ec3 khi\u1ebfn vi\u1ec7c b\u00f3c ra tr\u1edf n\u00ean kh\u00f3 kh\u0103n. C\u0103n ch\u1ec9nh k\u00e9m c\u00f3 th\u1ec3 l\u00e0m l\u1ed9 m\u1ed9t ph\u1ea7n ngu\u1ed3n nhi\u1ec7t. Quan tr\u1ecdng nh\u1ea5t, c\u1ee5m ho\u00e0n ch\u1ec9nh ph\u1ea3i \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 k\u00edch ho\u1ea1t y\u00eau c\u1ea7u d\u01b0\u1edbi \u00e1p su\u1ea5t d\u1ef1 ki\u1ebfn. M\u1ed9t mi\u1ebfng \u0111\u1ec7m \u0111\u01b0\u1ee3c \u0111\u1eb7t ho\u00e0n h\u1ea3o nh\u01b0ng ch\u01b0a bao gi\u1edd \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t th\u00ec ch\u1eb3ng qua ch\u1ec9 l\u00e0 v\u1eadt li\u1ec7u b\u1ecb \u0111\u1eb7t sai v\u1ecb tr\u00ed m\u1ed9t c\u00e1ch ho\u00e0n h\u1ea3o.<\/p>\n\n\n\n

M\u1ee1: Ph\u00e2n ph\u1ed1i, In, Ki\u1ec3m so\u00e1t v\u00e0 Ki\u1ec3m tra<\/h3>\n\n\n\n

M\u1ee1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u01a1m b\u1eb1ng \u1ed1ng ti\u00eam, van t\u1ef1 \u0111\u1ed9ng, in l\u01b0\u1edbi ho\u1eb7c khu\u00f4n in. V\u1eadt li\u1ec7u n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u00ecnh d\u1ea1ng thay \u0111\u1ed5i v\u00ec kh\u00f4ng c\u1ea7n ch\u1ebf t\u1ea1o m\u1ed9t chi ti\u1ebft b\u1ebf theo h\u00ecnh ri\u00eang cho m\u1ed7i l\u1ea7n s\u1eeda \u0111\u1ed5i. M\u1ed9t quy tr\u00ecnh in \u1ed5n \u0111\u1ecbnh c\u0169ng c\u00f3 th\u1ec3 ph\u1ee7 nhanh nhi\u1ec1u m\u00f4-\u0111un.<\/p>\n\n\n\n

\u0110i\u1ec3m then ch\u1ed1t n\u1eb1m \u1edf vi\u1ec7c ki\u1ec3m so\u00e1t quy tr\u00ecnh. \u0110\u1ed9 nh\u1edbt thay \u0111\u1ed5i theo nhi\u1ec7t \u0111\u1ed9 v\u00e0 l\u1ecbch s\u1eed v\u1eadt li\u1ec7u. Ch\u1ea5t \u0111\u1ed9n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u1ea3y v\u00e0 \u0111\u1ed9 m\u00e0i m\u00f2n thi\u1ebft b\u1ecb. Kh\u1ed1i l\u01b0\u1ee3ng v\u1eadt li\u1ec7u ph\u1ee7, \u0111\u1ed9 d\u00e0y khu\u00f4n in, ki\u1ec3u in, kh\u00f4ng kh\u00ed b\u1ecb gi\u1eef l\u1ea1i, \u0111\u1ed9 s\u1ea1ch b\u1ec1 m\u1eb7t v\u00e0 tr\u00ecnh t\u1ef1 l\u1eafp \u0111\u1eb7t \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 d\u00e0y l\u1edbp v\u1eadt li\u1ec7u cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n

Do \u0111\u00f3, m\u1ed9t d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 c\u1ea7n ki\u1ec3m tra kh\u1ed1i l\u01b0\u1ee3ng, ki\u1ec3m tra b\u1eb1ng h\u1ec7 th\u1ed1ng th\u1ecb gi\u00e1c, v\u1ec7 sinh stencil v\u00e0 b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3. L\u01b0\u1ee3ng m\u1ee1 qu\u00e1 \u00edt s\u1ebd t\u1ea1o ra c\u00e1c v\u00f9ng kh\u00f4. L\u01b0\u1ee3ng qu\u00e1 nhi\u1ec1u l\u00e0m t\u0103ng \u0111\u1ed9 d\u00e0y v\u00e0 ph\u1ea7n m\u1ee1 b\u1ecb tr\u00e0n ra ngo\u00e0i. C\u1eeda s\u1ed5 quy tr\u00ecnh c\u00f3 th\u1ec3 \u1ed5n \u0111\u1ecbnh, nh\u01b0ng ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp v\u00e0 gi\u00e1m s\u00e1t.<\/p>\n\n\n\n

\u0110\u01a1n gi\u00e1 kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ed5ng chi ph\u00ed s\u1eed d\u1ee5ng<\/h3>\n\n\n\n

PCM th\u01b0\u1eddng c\u00f3 chi ph\u00ed tr\u00ean m\u1ed7i s\u1ea3n ph\u1ea9m cao h\u01a1n c\u00f9ng m\u1ed9t l\u01b0\u1ee3ng m\u1ee1 danh ngh\u0129a. Tuy nhi\u00ean, \u0111i\u1ec1u \u0111\u00f3 ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh t\u00ednh hi\u1ec7u qu\u1ea3 kinh doanh.<\/p>\n\n\n\n

T\u1ed5ng chi ph\u00ed s\u1eed d\u1ee5ng = v\u1eadt li\u1ec7u + chi ph\u00ed chuy\u1ec3n \u0111\u1ed5i ho\u1eb7c thi\u1ebft b\u1ecb + nh\u00e2n c\u00f4ng + ki\u1ec3m tra + ph\u1ebf ph\u1ea9m + v\u1ec7 sinh + s\u1eeda ch\u1eefa + r\u1ee7i ro ngo\u00e0i hi\u1ec7n tr\u01b0\u1eddng<\/strong><\/p>\n\n\n\n

M\u1ed9t preform PCM l\u00e0m ph\u00e1t sinh chi ph\u00ed gia c\u00f4ng t\u1ea1o h\u00ecnh v\u00e0 l\u1edbp l\u00f3t, nh\u01b0ng c\u00f3 th\u1ec3 gi\u1ea3m c\u00f4ng \u0111o\u1ea1n v\u1ec7 sinh v\u00e0 bi\u1ebfn \u0111\u1ed9ng l\u01b0\u1ee3ng m\u1ee1 \u0111\u01b0\u1ee3c ph\u1ee7. M\u1ee1 c\u00f3 th\u1ec3 c\u00f3 chi ph\u00ed nguy\u00ean li\u1ec7u th\u00f4 th\u1ea5p, nh\u01b0ng \u0111\u00f2i h\u1ecfi ph\u1ea7n c\u1ee9ng c\u1ea5p li\u1ec7u, c\u00f4ng c\u1ee5 in, b\u1ea3o tr\u00ec v\u00e0 ho\u1ea1t \u0111\u1ed9ng ki\u1ec3m tra ch\u1eb7t ch\u1ebd h\u01a1n. S\u1ea3n l\u01b0\u1ee3ng h\u1eb1ng n\u0103m c\u0169ng r\u1ea5t quan tr\u1ecdng. Vi\u1ec7c \u0111\u1ea7u t\u01b0 khu\u00f4n b\u1ebf s\u1ebd d\u1ec5 \u0111\u01b0\u1ee3c bi\u1ec7n minh h\u01a1n khi \u00e1p d\u1ee5ng cho m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh \u1ed5n \u0111\u1ecbnh v\u1edbi m\u1ed9t tri\u1ec7u s\u1ea3n ph\u1ea9m, thay v\u00ec cho m\u1ed9t thi\u1ebft k\u1ebf thay \u0111\u1ed5i m\u1ed7i th\u00e1ng.<\/p>\n\n\n\n

Ch\u1ea1y m\u00f4 h\u00ecnh chi ph\u00ed v\u1edbi th\u1eddi gian chu k\u1ef3 v\u00e0 t\u1ef7 l\u1ec7 s\u1ea3n ph\u1ea9m \u0111\u1ea1t c\u1ee7a ch\u00ednh b\u1ea1n. C\u00e1c t\u1ef7 l\u1ec7 ti\u1ebft ki\u1ec7m chung chung ph\u1ea7n l\u1edbn ch\u1ec9 \u0111\u1ec3 trang tr\u00ed.<\/p>\n\n\n\n

\u0110\u1ed9 tin c\u1eady sau khi s\u1ea3n ph\u1ea9m r\u1eddi nh\u00e0 m\u00e1y<\/h2>\n\n\n\n
\"\u0110\u1ed9<\/figure>\n\n\n\n

M\u1ee1 t\u1ea3n nhi\u1ec7t c\u00f3 th\u1ec3 d\u1ecbch chuy\u1ec3n ho\u1eb7c l\u00e3o h\u00f3a<\/h3>\n\n\n\n

Hi\u1ec7n t\u01b0\u1ee3ng m\u1ee1 t\u1ea3n nhi\u1ec7t b\u1ecb \u0111\u1ea9y ra<\/a> l\u00e0 s\u1ef1 d\u1ecbch chuy\u1ec3n d\u1ea7n ra kh\u1ecfi v\u00f9ng ti\u1ebfp x\u00fac h\u1eefu hi\u1ec7u. S\u1ef1 ch\u00eanh l\u1ec7ch gi\u00e3n n\u1edf nhi\u1ec7t, \u0111\u1ed9 cong v\u00eanh c\u1ee7a t\u1ea5m \u0111\u1ebf, rung \u0111\u1ed9ng v\u00e0 \u00e1p l\u1ef1c k\u1eb9p thay \u0111\u1ed5i c\u00f3 th\u1ec3 d\u1ed3n v\u1eadt li\u1ec7u v\u1ec1 ph\u00eda m\u00e9p qua nhi\u1ec1u chu k\u1ef3.<\/p>\n\n\n\n

Hi\u1ec7n t\u01b0\u1ee3ng kh\u00f4 \u0111i l\u1ea1i kh\u00e1c. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y li\u00ean quan \u0111\u1ebfn m\u1ea5t ch\u1ea5t mang, ph\u00e2n t\u00e1ch, oxy h\u00f3a ho\u1eb7c h\u00f3a c\u1ee9ng. T\u00e1ch d\u1ea7u v\u00e0 b\u1ecb \u00e9p tr\u1ed3i c\u0169ng l\u00e0 nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng kh\u00e1c. C\u00e1c d\u1ea5u hi\u1ec7u khi th\u00e1o d\u1ee1 c\u00f3 th\u1ec3 ch\u1ed3ng l\u1ea5n, v\u00ec v\u1eady m\u1ed9t b\u1ee9c \u1ea3nh kh\u00f4ng th\u1ec3 thay th\u1ebf cho vi\u1ec7c ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u1ed1c.<\/p>\n\n\n\n

C\u00e1c c\u00f4ng th\u1ee9c m\u1ee1 b\u00f4i tr\u01a1n t\u1ed1t c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh trong nhi\u1ec1u n\u0103m \u1edf m\u1ed9t m\u1ed1i gh\u00e9p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p. \u0110\u1ed9 ph\u1eb3ng k\u00e9m ho\u1eb7c c\u01a1 c\u1ea5u g\u00e1 l\u1eafp kh\u00f4ng \u1ed5n \u0111\u1ecbnh c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t t\u00e1c d\u1ee5ng ngay c\u1ea3 v\u1edbi s\u1ea3n ph\u1ea9m cao c\u1ea5p. V\u00ec v\u1eady, ch\u1ec9 \u0111\u1ed5 l\u1ed7i cho l\u1edbp keo d\u00e1n m\u00e0u x\u00e1m l\u00e0 c\u00e1ch gi\u1ea3i th\u00edch qu\u00e1 thu\u1eadn ti\u1ec7n.<\/p>\n\n\n\n

PCM C\u0169ng C\u00f3 C\u00e1c D\u1ea1ng H\u1ecfng<\/h3>\n\n\n\n

PCM th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn \u0111\u1ec3 gi\u1ea3m bi\u1ebfn thi\u00ean trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 r\u1ee7i ro di chuy\u1ec3n v\u1ed1n c\u00f3 c\u1ee7a m\u1ee1 b\u00f4i tr\u01a1n. V\u1eadt li\u1ec7u n\u00e0y v\u1eabn c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng.<\/p>\n\n\n\n

N\u1ebfu h\u1ec7 th\u1ed1ng kh\u00f4ng bao gi\u1edd \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha, v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 kh\u00f4ng th\u1ea5m \u01b0\u1edbt b\u1ec1 m\u1eb7t \u0111\u00fang c\u00e1ch. \u00c1p l\u1ef1c qu\u00e1 th\u1ea5p c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i c\u00e1c khe h\u1edf ti\u1ebfp x\u00fac. B\u1ed9 t\u1ea3n nhi\u1ec7t b\u1ecb cong v\u00eanh c\u00f3 th\u1ec3 t\u1ea1o ra \u0111\u01b0\u1eddng keo kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. M\u1ed9t s\u1ed1 c\u1ea5u tr\u00fac c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng ph\u00e2n t\u00e1ch pha, ch\u1ea3y tr\u00e0n \u1edf m\u00e9p ho\u1eb7c h\u01b0 h\u1ecfng c\u01a1 h\u1ecdc sau khi tr\u1ea3i qua c\u00e1c chu k\u1ef3 kh\u00f4ng ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n

So s\u00e1nh ph\u00f9 h\u1ee3p l\u00e0 tr\u1edf kh\u00e1ng nhi\u1ec7t \u1edf \u0111\u1ea7u v\u00f2ng \u0111\u1eddi v\u1edbi tr\u1edf kh\u00e1ng nhi\u1ec7t \u1edf cu\u1ed1i v\u00f2ng \u0111\u1eddi. \u0110\u1ed3ng th\u1eddi, h\u00e3y ki\u1ec3m tra \u0111\u1ed9 ph\u1ee7 v\u1eadt l\u00fd. Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh \u1ed5n \u0111\u1ecbnh v\u1eabn c\u00f3 th\u1ec3 che khu\u1ea5t m\u1ed9t \u0111i\u1ec3m n\u00f3ng c\u1ee5c b\u1ed9.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng v\u00e0 ng\u00e0nh: M\u1ed7i d\u1ea1ng s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p v\u1edbi \u0111\u00e2u<\/h2>\n\n\n\n
Giao di\u1ec7n<\/strong><\/td>M\u1ed1i quan t\u00e2m ch\u00ednh trong s\u1ea3n xu\u1ea5t<\/strong><\/td>\u0110i\u1ec3m kh\u1edfi \u0111\u1ea7u ph\u00f9 h\u1ee3p<\/strong><\/td><\/tr>
CPU, GPU ho\u1eb7c ASIC cho t\u1ea5m l\u00e0m m\u00e1t<\/strong><\/td>\u0110\u01b0\u1eddng keo m\u1ecfng, \u0111\u1ed9 ph\u1eb3ng, m\u1eadt \u0111\u1ed9 d\u00f2ng nhi\u1ec7t cao v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh khi v\u1eadn h\u00e0nh<\/td>PCM \u0111\u1ec3 \u0111\u1ecbnh l\u01b0\u1ee3ng c\u00f3 ki\u1ec3m so\u00e1t; d\u00f9ng m\u1ee1 khi quy tr\u00ecnh ph\u00e2n ph\u1ed1i \u0111\u00e3 \u1ed5n \u0111\u1ecbnh<\/td><\/tr>
T\u1eeb IGBT ho\u1eb7c m\u00f4-\u0111un SiC \u0111\u1ebfn b\u1ed9 t\u1ea3n nhi\u1ec7t<\/strong><\/td>\u0110\u1ed9 v\u00eanh c\u1ee7a \u0111\u1ebf, \u00e1p l\u1ef1c, chu k\u1ef3 c\u00f4ng su\u1ea5t v\u00e0 di\u1ec7n t\u00edch ti\u1ebfp x\u00fac l\u1edbn<\/td>Th\u1ea9m \u0111\u1ecbnh c\u1ea3 hai \u1edf m\u00f4-men xo\u1eafn v\u00e0 nhi\u1ec7t \u0111\u1ed9 th\u1ef1c t\u1ebf<\/td><\/tr>
B\u1ed9 ngh\u1ecbch l\u01b0u \u00f4 t\u00f4 ho\u1eb7c ECU<\/strong><\/td>\u0110\u1ed9 rung, ki\u1ec3m so\u00e1t nhi\u1ec5m b\u1ea9n, kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u00e0 tu\u1ed5i th\u1ecd cao<\/td>PCM c\u00f3 th\u1ec3 gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c thao t\u00e1c; m\u1ee1 c\u1ea7n c\u00f3 d\u1eef li\u1ec7u thuy\u1ebft ph\u1ee5c v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu chu k\u1ef3 nhi\u1ec7t<\/td><\/tr>
B\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t vi\u1ec5n th\u00f4ng<\/strong><\/td>D\u1ecbch v\u1ee5 t\u1eeb xa, t\u1ea3i li\u00ean t\u1ee5c v\u00e0 dao \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 ngo\u00e0i tr\u1eddi<\/td>\u01afu ti\u00ean l\u1ef1a ch\u1ecdn c\u00f3 tr\u1edf kh\u00e1ng sau l\u00e3o h\u00f3a th\u1ea5p h\u01a1n, kh\u00f4ng ch\u1ec9 \u0111i\u1ec7n tr\u1edf ban \u0111\u1ea7u th\u1ea5p h\u01a1n<\/td><\/tr>
V\u1ecf kim lo\u1ea1i g\u1eafn bo m\u1ea1ch LED<\/strong><\/td>Chi ph\u00ed, y\u00eau c\u1ea7u v\u1ec1 \u0111i\u1ec7n, h\u01b0\u1edbng l\u1eafp \u0111\u1eb7t th\u1eb3ng \u0111\u1ee9ng v\u00e0 t\u1ed1c \u0111\u1ed9 l\u1eafp r\u00e1p<\/td>M\u1ee1 b\u00f4i tr\u01a1n cho c\u00e1c m\u1ed1i gh\u00e9p m\u1ecfng c\u00f3 ki\u1ec3m so\u00e1t; PCM cho vi\u1ec7c b\u00f4i \u0111\u1eb7t s\u1ea1ch v\u00e0 nh\u1ea5t qu\u00e1n<\/td><\/tr>
B\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p<\/strong><\/td>Tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng d\u00e0i, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn \u0111\u1ec3 s\u1eeda ch\u1eefa v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a quy tr\u00ecnh<\/td>L\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean ch\u1ebf \u0111\u1ed9 b\u1ea3o tr\u00ec v\u00e0 chu tr\u00ecnh v\u1eadn h\u00e0nh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Tr\u00ean to\u00e0n b\u1ed9 v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t<\/a>, ch\u1ec9 ri\u00eang nh\u00e3n thi\u1ebft b\u1ecb kh\u00f4ng quy\u1ebft \u0111\u1ecbnh TIM. \u0110\u1ed9 ph\u1eb3ng, \u00e1p su\u1ea5t, th\u00f4ng l\u01b0\u1ee3ng nhi\u1ec7t, c\u1ea5u tr\u00fac \u0111i\u1ec7n \u00e1p v\u00e0 \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh.<\/p>\n\n\n\n

Ti\u00eau chu\u1ea9n v\u00e0 th\u1ea9m \u0111\u1ecbnh tr\u01b0\u1edbc khi xu\u1ea5t x\u01b0\u1edfng<\/h2>\n\n\n\n

ASTM D5470-17(2024)<\/a> l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u h\u1eefu \u00edch \u0111\u1ec3 \u0111o tr\u1edf kh\u00e1ng nhi\u1ec7t \u1edf tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t bi\u1ec3u ki\u1ebfn c\u1ee7a v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t (TIM), bao g\u1ed3m m\u1ee1 t\u1ea3n nhi\u1ec7t, keo t\u1ea3n nhi\u1ec7t v\u00e0 v\u1eadt li\u1ec7u chuy\u1ec3n pha. Ti\u00eau chu\u1ea9n n\u00e0y c\u0169ng l\u01b0u \u00fd r\u1eb1ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n truy\u1ec1n nhi\u1ec7t l\u00fd t\u01b0\u1edfng h\u00f3a trong ti\u00eau chu\u1ea9n kh\u00f4ng \u0111\u1ea1i di\u1ec7n tr\u1ef1c ti\u1ebfp cho m\u1ecdi c\u1ee5m l\u1eafp r\u00e1p th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

Lu\u00f4n ghi l\u1ea1i nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t th\u1eed nghi\u1ec7m, \u0111\u1ed9 d\u00e0y m\u1eabu, \u0111\u1ed9 d\u00e0y l\u1edbp li\u00ean k\u1ebft cu\u1ed1i c\u00f9ng, di\u1ec7n t\u00edch ti\u1ebfp x\u00fac, t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t v\u00e0 tr\u1ea1ng th\u00e1i ho\u1ea1t h\u00f3a c\u1ee7a PCM. M\u1ed9t gi\u00e1 tr\u1ecb tr\u00ean b\u1ea3ng d\u1eef li\u1ec7u s\u1ebd kh\u00f3 so s\u00e1nh n\u1ebfu thi\u1ebfu c\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u00e0y.<\/p>\n\n\n\n

H\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf nhi\u1ec7t c\u1ee7a AMD<\/a> t\u01b0\u01a1ng t\u1ef1 c\u0169ng nh\u1ea5n m\u1ea1nh y\u1ebfu t\u1ed1 ti\u1ebfp x\u00fac, \u0111\u1ed9 ph\u1ee7 v\u00e0 BLT khi l\u1ef1a ch\u1ecdn TIM. So s\u00e1nh c\u1ee7a Altera v\u1ec1 c\u00e1c v\u1eadt li\u1ec7u TIM2 th\u00f4ng d\u1ee5ng<\/a> \u0111\u1eb7t PCM c\u00f9ng v\u1edbi m\u1ee1 t\u1ea3n nhi\u1ec7t, t\u1ea5m \u0111\u1ec7m l\u1ea5p khe h\u1edf, kim lo\u1ea1i l\u1ecfng v\u00e0 graphit, \u0111\u1ed3ng th\u1eddi n\u00eau r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 th\u00e0nh ph\u1ea7n, ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng, chi ph\u00ed v\u00e0 qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a. C\u00e1c th\u00f4ng tin tham kh\u1ea3o n\u00e0y gi\u00fap s\u00e0ng l\u1ecdc v\u1eadt li\u1ec7u nh\u01b0ng kh\u00f4ng thay th\u1ebf vi\u1ec7c th\u1eed nghi\u1ec7m s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

M\u1ed9t l\u1ed9 tr\u00ecnh \u0111\u00e1nh gi\u00e1 ph\u00f9 h\u1ee3p g\u1ed3m:<\/p>\n\n\n\n

    \n
  1. Xem x\u00e9t c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1ec1 tu\u00e2n th\u1ee7, b\u1ea3o qu\u1ea3n v\u00e0 b\u1ea3ng d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt.<\/li>\n\n\n\n
  2. So s\u00e1nh c\u00e1c \u1ee9ng vi\u00ean trong \u0111i\u1ec1u ki\u1ec7n BLT, \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 th\u1ef1c t\u1ebf.<\/li>\n\n\n\n
  3. Ki\u1ec3m tra tr\u1ea1ng th\u00e1i k\u00edch ho\u1ea1t c\u1ee7a PCM ho\u1eb7c m\u1ee9c \u0111\u1ed9 ph\u1ee7 m\u1ee1 b\u00f4i tr\u01a1n.<\/li>\n\n\n\n
  4. \u0110o nhi\u1ec7t \u0111\u1ed9 th\u1ef1c t\u1ebf c\u1ee7a thi\u1ebft b\u1ecb ho\u1eb7c m\u00f4-\u0111un.<\/li>\n\n\n\n
  5. Th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m chu k\u1ef3 nhi\u1ec7t, chu k\u1ef3 c\u00f4ng su\u1ea5t, l\u00e3o h\u00f3a v\u00e0 rung \u0111\u1ed9ng ph\u00f9 h\u1ee3p.<\/li>\n\n\n\n
  6. Ki\u1ec3m tra \u0111\u1ed9 ph\u1ee7, kho\u1ea3ng r\u1ed7ng, hi\u1ec7n t\u01b0\u1ee3ng di chuy\u1ec3n v\u00e0 h\u01b0 h\u1ecfng v\u1eadt l\u00fd.<\/li>\n\n\n\n
  7. S\u1ea3n xu\u1ea5t l\u00f4 th\u1eed nghi\u1ec7m v\u00e0 nghi\u00ean c\u1ee9u bi\u1ebfn \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/li>\n\n\n\n
  8. Si\u1ebft ch\u1eb7t c\u00f4ng t\u00e1c ki\u1ec3m tra \u0111\u1ea7u v\u00e0o, truy xu\u1ea5t ngu\u1ed3n g\u1ed1c theo l\u00f4 v\u00e0 ki\u1ec3m so\u00e1t thay \u0111\u1ed5i.<\/li>\n<\/ol>\n\n\n\n

    S\u1eed d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n ki\u1ec3m tra TIM ph\u1ed5 bi\u1ebfn<\/a> \u0111\u1ec3 l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p, sau \u0111\u00f3 b\u1ed5 sung c\u00e1c gi\u1edbi h\u1ea1n \u0111\u1ea1t\/kh\u00f4ng \u0111\u1ea1t theo t\u1eebng \u1ee9ng d\u1ee5ng. RoHS, REACH, UL 94, c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111i\u1ec7n m\u00f4i, IATF 16949 v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a kh\u00e1ch h\u00e0ng c\u0169ng c\u00f3 th\u1ec3 l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t. \u0110\u00e2y l\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 tu\u00e2n th\u1ee7 ho\u1eb7c ch\u1ea5t l\u01b0\u1ee3ng, kh\u00f4ng ph\u1ea3i b\u1eb1ng ch\u1ee9ng ph\u1ed5 qu\u00e1t v\u1ec1 hi\u1ec7u n\u0103ng nhi\u1ec7t.<\/p>\n\n\n\n

    Quy tr\u00ecnh l\u1ef1a ch\u1ecdn th\u1ef1c t\u1ebf d\u00e0nh cho \u0111\u1ed9i ng\u0169 s\u1ea3n xu\u1ea5t<\/h2>\n\n\n\n

    H\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi s\u00e1u th\u00f4ng tin \u0111\u1ea7u v\u00e0o: \u0111\u1ed9 ph\u1eb3ng v\u00e0 \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t, BLT m\u1ee5c ti\u00eau, \u00e1p su\u1ea5t kh\u1ea3 d\u1ee5ng, nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh v\u00e0 nhi\u1ec7t \u0111\u1ed9 k\u00edch ho\u1ea1t, ch\u1ebf \u0111\u1ed9 chu k\u1ef3 v\u00e0 s\u1ea3n l\u01b0\u1ee3ng h\u1eb1ng n\u0103m. B\u1ed5 sung th\u1eddi gian takt v\u00e0 y\u00eau c\u1ea7u v\u1ec1 kh\u1ea3 n\u0103ng gia c\u00f4ng l\u1ea1i tr\u01b0\u1edbc khi y\u00eau c\u1ea7u b\u00e1o gi\u00e1.<\/p>\n\n\n\n

    \"Quy<\/figure>\n\n\n\n

    Ch\u1ecdn PCM khi m\u1ed1i n\u1ed1i m\u1ecfng, ph\u1eb3ng v\u00e0 \u0111\u01b0\u1ee3c k\u1eb9p c\u1ed1 \u0111\u1ecbnh; vi\u1ec7c \u0111\u1eb7t ch\u00ednh x\u00e1c l\u00e0 quan tr\u1ecdng; s\u1ea3n ph\u1ea9m \u0111\u1ea1t nhi\u1ec7t \u0111\u1ed9 k\u00edch ho\u1ea1t m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh; v\u00e0 chi ti\u1ebft c\u1eaft b\u1ebf ph\u00f9 h\u1ee3p v\u1edbi quy tr\u00ecnh l\u1eafp r\u00e1p.<\/p>\n\n\n\n

    Ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng m\u1ee1 khi kh\u1ea3 n\u0103ng l\u00e0m \u01b0\u1edbt t\u1ee9c th\u1eddi l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng, thi\u1ebft b\u1ecb c\u1ea5p li\u1ec7u ho\u1eb7c in hi\u1ec7n \u0111\u00e3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u, h\u00ecnh d\u1ea1ng thay \u0111\u1ed5i th\u01b0\u1eddng xuy\u00ean, chi ph\u00ed nguy\u00ean li\u1ec7u \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n, ho\u1eb7c \u0111\u1ed9i ng\u0169 b\u1ea3o tr\u00ec \u0111\u00e3 c\u00f3 quy tr\u00ecnh v\u1ec7 sinh v\u00e0 b\u00f4i l\u1ea1i \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n

    Kh\u00f4ng n\u00ean ch\u1ecdn lo\u1ea1i n\u00e0o trong hai lo\u1ea1i n\u00e0y khi b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u00f3 khe h\u1edf l\u1edbn ho\u1eb7c thay \u0111\u1ed5i, \u00e1p su\u1ea5t th\u1ea5p, \u0111\u1ed9 cao linh ki\u1ec7n ch\u00eanh l\u1ec7ch \u0111\u00e1ng k\u1ec3 ho\u1eb7c v\u1eadt li\u1ec7u c\u0169ng ph\u1ea3i k\u1ebft d\u00ednh c\u00e1c b\u1ed9 ph\u1eadn v\u1edbi nhau. T\u1ea5m \u0111\u1ec7m khe h\u1edf b\u1eb1ng silicone, gel, b\u1ed9t tr\u00e1m, v\u1eadt li\u1ec7u tr\u00e1m khe h\u1edf c\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i ho\u1eb7c keo d\u1eabn nhi\u1ec7t c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p h\u01a1n.<\/p>\n\n\n\n

    Tr\u01b0\u1edbc khi th\u00e1o ra, s\u1eed d\u1ee5ng m\u1eabu nguy\u00ean m\u1eabu ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf<\/a> trong c\u1ea5u tr\u00fac x\u1ebfp l\u1edbp th\u1ef1c t\u1ebf. Kh\u00f4ng ch\u1ec9 \u0111o nhi\u1ec7t \u0111\u1ed9. H\u00e3y ghi l\u1ea1i th\u1eddi gian b\u1ed1 tr\u00ed, \u0111\u1ed9 bi\u1ebfn thi\u00ean c\u1ee7a l\u01b0\u1ee3ng v\u1eadt li\u1ec7u ph\u1ee7 ho\u1eb7c ph\u00f4i \u0111\u1ecbnh h\u00ecnh s\u1eb5n, c\u00e1c khuy\u1ebft t\u1eadt l\u1eafp r\u00e1p, c\u00f4ng s\u1ee9c s\u1eeda ch\u1eefa v\u00e0 \u0111\u1ed9 tr\u00f4i nhi\u1ec7t sau l\u00e3o h\u00f3a.<\/p>\n\n\n\n

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

    PCM chuy\u1ec3n l\u01b0\u1ee3ng v\u1eadt li\u1ec7u v\u00e0 h\u00ecnh d\u1ea1ng th\u00e0nh c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1ea7u v\u00e0o s\u1ea3n xu\u1ea5t c\u00f3 ki\u1ec3m so\u00e1t. M\u1ee1 t\u1ea3n nhi\u1ec7t c\u00f3 kh\u1ea3 n\u0103ng th\u1ea5m \u01b0\u1edbt t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, t\u1ea1o l\u1edbp li\u00ean k\u1ebft m\u1ecfng v\u00e0 linh ho\u1ea1t trong thi c\u00f4ng. \u0110\u00f3 m\u1edbi l\u00e0 s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i th\u1ef1c s\u1ef1.<\/p>\n\n\n\n

    Kh\u00f4ng n\u00ean ch\u1ec9 l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean W\/mK ho\u1eb7c \u0111\u01a1n gi\u00e1 t\u1eebng mi\u1ebfng. H\u00e3y \u0111\u00e1nh gi\u00e1 to\u00e0n b\u1ed9 l\u1edbp ti\u1ebfp x\u00fac trong \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t th\u1ef1c t\u1ebf, tr\u1ea1ng th\u00e1i k\u00edch ho\u1ea1t v\u00e0 \u0111i\u1ec1u ki\u1ec7n cu\u1ed1i v\u00f2ng \u0111\u1eddi. Sau \u0111\u00f3, ki\u1ec3m tra xem d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 t\u00e1i l\u1eadp k\u1ebft qu\u1ea3 \u0111\u00f3 m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh hay kh\u00f4ng. N\u1ebfu qu\u00fd v\u1ecb \u0111ang thu h\u1eb9p danh s\u00e1ch v\u1eadt li\u1ec7u, g\u1eedi c\u00e1c y\u00eau c\u1ea7u v\u1ec1 giao di\u1ec7n v\u00e0 s\u1ea3n xu\u1ea5t<\/a> tr\u01b0\u1edbc khi ch\u1ed1t b\u1ea3n v\u1ebd ho\u1eb7c quy tr\u00ecnh.<\/p>\n\n\n\n

    C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n

    T\u1ea5m t\u1ea3n nhi\u1ec7t PCM c\u00f3 ph\u00f9 h\u1ee3p h\u01a1n keo t\u1ea3n nhi\u1ec7t cho s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t kh\u00f4ng?<\/h3>\n\n\n\n

    V\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p h\u01a1n khi \u01b0u ti\u00ean thao t\u00e1c \u0111\u1eb7t s\u1ea1ch s\u1ebd, ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u v\u00e0 gi\u1ea3m sai kh\u00e1c gi\u1eefa c\u00e1c nh\u00e2n vi\u00ean v\u1eadn h\u00e0nh. M\u1ee1 t\u1ea3n nhi\u1ec7t c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p h\u01a1n khi \u0111\u00e3 c\u00f3 quy tr\u00ecnh \u0111\u1ecbnh l\u01b0\u1ee3ng ho\u1eb7c in \u1ed5n \u0111\u1ecbnh, c\u1ea7n th\u1ea5m \u01b0\u1edbt b\u1ec1 m\u1eb7t ngay l\u1eadp t\u1ee9c ho\u1eb7c h\u00ecnh d\u1ea1ng s\u1ea3n ph\u1ea9m th\u01b0\u1eddng xuy\u00ean thay \u0111\u1ed5i. H\u00e3y so s\u00e1nh t\u1ed5ng chi ph\u00ed sau khi thi c\u00f4ng v\u00e0 tr\u1edf kh\u00e1ng nhi\u1ec7t sau l\u00e3o h\u00f3a, thay v\u00ec ch\u1ec9 so s\u00e1nh \u0111\u01a1n gi\u00e1.<\/p>\n\n\n\n

    T\u1ea5m t\u1ea3n nhi\u1ec7t PCM c\u00f3 c\u1ea7n chu tr\u00ecnh k\u00edch ho\u1ea1t ho\u1eb7c ch\u1ea1y r\u00e0 kh\u00f4ng?<\/h3>\n\n\n\n

    Th\u00f4ng th\u01b0\u1eddng l\u00e0 c\u00f3. V\u1eadt li\u1ec7u ph\u1ea3i \u0111\u1ea1t \u0111\u1ebfn d\u1ea3i nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha theo thi\u1ebft k\u1ebf, \u0111\u1ed3ng th\u1eddi m\u1ed1i gh\u00e9p ph\u1ea3i ch\u1ecbu \u0111\u1ee7 \u00e1p l\u1ef1c \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng th\u1ea5m \u01b0\u1edbt. Nhi\u1ec7t \u0111\u1ed9, th\u1eddi gian duy tr\u00ec v\u00e0 chu tr\u00ecnh c\u1ee5 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m v\u00e0 c\u1ee5m l\u1eafp r\u00e1p. H\u00e3y x\u00e1c nh\u1eadn hi\u1ec7u n\u0103ng sau khi k\u00edch ho\u1ea1t thay v\u00ec \u00e1p d\u1ee5ng m\u1ed9t quy tr\u00ecnh burn-in chung cho m\u1ecdi tr\u01b0\u1eddng h\u1ee3p.<\/p>\n\n\n\n

    V\u1eadt li\u1ec7u chuy\u1ec3n pha c\u00f3 th\u1ec3 \u0111\u1ea1t hi\u1ec7u n\u0103ng nhi\u1ec7t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng m\u1ee1 t\u1ea3n nhi\u1ec7t kh\u00f4ng?<\/h3>\n\n\n\n

    Trong m\u1ed9t b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac m\u1ecfng, ph\u1eb3ng v\u00e0 \u0111\u01b0\u1ee3c k\u1eb9p \u0111\u00fang c\u00e1ch, PCM c\u00f3 th\u1ec3 \u0111\u1ea1t hi\u1ec7u n\u0103ng ti\u1ebfp x\u00fac g\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng m\u1ee1 sau khi k\u00edch ho\u1ea1t. K\u1ebft qu\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o BLT, \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t, \u00e1p l\u1ef1c, c\u00f4ng th\u1ee9c v\u1eadt li\u1ec7u v\u00e0 nhi\u1ec7t \u0111\u1ed9. Khi so s\u00e1nh s\u1ea3n ph\u1ea9m, c\u1ea7n s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t \u0111\u1ed3 g\u00e1 th\u1eed nghi\u1ec7m v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u1eafp r\u00e1p th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

    Li\u1ec7u PCM c\u00f3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n hi\u1ec7n t\u01b0\u1ee3ng pump-out kh\u00f4ng?<\/h3>\n\n\n\n

    Kh\u00f4ng. PCM c\u00f3 th\u1ec3 gi\u1ea3m c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea3y t\u1ef1 do v\u00e0 thao t\u00e1c li\u00ean quan \u0111\u1ebfn m\u1ee1, nh\u01b0ng v\u1eabn c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn qua th\u1eed nghi\u1ec7m chu k\u1ef3. Vi\u1ec7c k\u00edch ho\u1ea1t kh\u00f4ng ho\u00e0n to\u00e0n, ti\u1ebfp x\u00fac k\u00e9m, ph\u00e2n t\u00e1ch pha, d\u1ecbch chuy\u1ec3n \u1edf m\u00e9p ho\u1eb7c h\u01b0 h\u1ecfng c\u01a1 h\u1ecdc c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u n\u0103ng. N\u00f3i \u201cr\u1ee7i ro th\u1ea5p h\u01a1n\u201d s\u1ebd trung th\u1ef1c h\u01a1n l\u00e0 \u201ckh\u00f4ng th\u1ec3 x\u1ea3y ra h\u1ecfng h\u00f3c\u201d.\u201d<\/p>\n\n\n\n

    PCM hay m\u1ee1 t\u1ea3n nhi\u1ec7t c\u00f3 chi ph\u00ed th\u1ea5p h\u01a1n cho m\u1ed7i c\u1ee5m l\u1eafp r\u00e1p ho\u00e0n thi\u1ec7n?<\/h3>\n\n\n\n

    Keo t\u1ea3n nhi\u1ec7t th\u01b0\u1eddng c\u00f3 chi ph\u00ed nguy\u00ean li\u1ec7u th\u1ea5p h\u01a1n. PCM c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m chi ph\u00ed \u0111\u1ecbnh l\u01b0\u1ee3ng, v\u1ec7 sinh, ki\u1ec3m tra v\u00e0 gia c\u00f4ng l\u1ea1i. K\u1ebft qu\u1ea3 s\u1ebd thay \u0111\u1ed5i t\u00f9y theo s\u1ea3n l\u01b0\u1ee3ng, h\u00ecnh d\u1ea1ng, m\u1ee9c \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng h\u00f3a, t\u1ef7 l\u1ec7 ph\u1ebf ph\u1ea9m v\u00e0 r\u1ee7i ro trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf. H\u00e3y t\u00ednh chi ph\u00ed tr\u00ean m\u1ed7i c\u1ee5m l\u1eafp r\u00e1p \u0111\u1ea1t y\u00eau c\u1ea7u, thay v\u00ec chi ph\u00ed tr\u00ean m\u1ed7i gam ho\u1eb7c m\u1ed7i t\u1ea5m.<\/p>\n\n\n\n

    C\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a quy tr\u00ecnh b\u00f4i keo t\u1ea3n nhi\u1ec7t trong s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn kh\u00f4ng?<\/h3>\n\n\n\n

    C\u00f3. M\u1ee1 t\u1ea3n nhi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng b\u1eb1ng van t\u1ef1 \u0111\u1ed9ng ho\u1eb7c \u0111\u01b0\u1ee3c ph\u1ee7 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p in l\u01b0\u1edbi v\u00e0 in stencil. Quy tr\u00ecnh ph\u1ea3i ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u1eadt li\u1ec7u, \u0111\u1ed9 nh\u1edbt, kh\u1ed1i l\u01b0\u1ee3ng v\u1eadt li\u1ec7u \u0111\u1ecbnh l\u01b0\u1ee3ng, h\u00ecnh d\u1ea1ng ph\u1ee7, t\u00ecnh tr\u1ea1ng thi\u1ebft b\u1ecb v\u00e0 vi\u1ec7c g\u00e1 l\u1eafp. T\u1ef1 \u0111\u1ed9ng h\u00f3a gi\u00fap gi\u1ea3m m\u1ed9t s\u1ed1 sai l\u1ec7ch do ng\u01b0\u1eddi v\u1eadn h\u00e0nh, nh\u01b0ng v\u1eabn c\u1ea7n gi\u00e1m s\u00e1t quy tr\u00ecnh.<\/p>\n\n\n\n

    K\u1ef9 s\u01b0 n\u00ean \u0111\u1eb7t m\u1ee5c ti\u00eau \u0111\u1ed9 d\u00e0y l\u1edbp keo l\u00e0 bao nhi\u00eau?<\/h3>\n\n\n\n

    H\u00e3y ch\u1ecdn chi\u1ec1u d\u00e0y l\u1edbp li\u00ean k\u1ebft nh\u1ecf nh\u1ea5t nh\u01b0ng v\u1eabn b\u1ea3o \u0111\u1ea3m \u0111\u1ed9 ph\u1ee7 ho\u00e0n ch\u1ec9nh v\u00e0 \u1ed5n \u0111\u1ecbnh trong ph\u1ea1m vi chu\u1ed7i dung sai th\u1ef1c t\u1ebf. L\u1edbp li\u00ean k\u1ebft qu\u00e1 d\u00e0y s\u1ebd l\u00e0m t\u0103ng nhi\u1ec7t tr\u1edf. N\u1ebfu qu\u00e1 m\u1ecfng, l\u1edbp li\u00ean k\u1ebft c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ee7 k\u00edn c\u00e1c b\u1ec1 m\u1eb7t cong v\u00eanh ho\u1eb7c th\u00f4 r\u00e1p. Kh\u00f4ng c\u00f3 m\u1ed9t gi\u00e1 tr\u1ecb chung ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi ki\u1ec3u \u0111\u00f3ng g\u00f3i v\u00e0 v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

    Mi\u1ebfng \u0111\u1ec7m nhi\u1ec7t PCM c\u00f3 th\u1ec3 l\u1ea5p \u0111\u1ea7y khe h\u1edf t\u01b0\u01a1ng t\u1ef1 nh\u01b0 mi\u1ebfng \u0111\u1ec7m nhi\u1ec7t silicone kh\u00f4ng?<\/h3>\n\n\n\n

    Th\u00f4ng th\u01b0\u1eddng l\u00e0 kh\u00f4ng. Phim PCM \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c giao di\u1ec7n m\u1ecfng v\u00e0 nh\u1eefng \u0111i\u1ec3m kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u1ef1c nh\u1ecf tr\u00ean b\u1ec1 m\u1eb7t. T\u1ea5m silicone m\u1ec1m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u00f9 c\u00e1c khe h\u1edf c\u01a1 kh\u00ed l\u1edbn h\u01a1n v\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch chi\u1ec1u cao gi\u1eefa c\u00e1c linh ki\u1ec7n. Vi\u1ec7c thay th\u1ebf lo\u1ea1i n\u00e0y b\u1eb1ng lo\u1ea1i kia c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi thay \u0111\u1ed5i b\u1ed9 t\u1ea3n nhi\u1ec7t, l\u1ef1c \u00e9p v\u00e0 c\u1ea5u h\u00ecnh x\u1ebfp l\u1edbp.<\/p>\n\n\n\n

    Lo\u1ea1i TIM n\u00e0o d\u1ec5 x\u1eed l\u00fd l\u1ea1i h\u01a1n, PCM hay m\u1ee1?<\/h3>\n\n\n\n

    C\u1ea3 hai \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd l\u1ea1i, nh\u01b0ng quy tr\u00ecnh th\u1ef1c hi\u1ec7n kh\u00e1c nhau. M\u1ee1 th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lau s\u1ea1ch b\u1eb1ng quy tr\u00ecnh v\u1ec7 sinh t\u01b0\u01a1ng th\u00edch, m\u1eb7c d\u00f9 c\u1eb7n c\u00f3 th\u1ec3 lan ra. PCM c\u00f3 th\u1ec3 b\u00f3c ra s\u1ea1ch h\u01a1n, nh\u01b0ng th\u00f4ng th\u01b0\u1eddng n\u00ean thay m\u00e0ng \u0111\u00e3 qua s\u1eed d\u1ee5ng. H\u00e3y ki\u1ec3m tra l\u1ef1c th\u00e1o g\u1ee1 v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi dung m\u00f4i khi l\u00e0m vi\u1ec7c g\u1ea7n c\u00e1c thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m.<\/p>\n\n\n\n

    C\u1ea7n th\u1ea9m \u0111\u1ecbnh PCM v\u00e0 keo t\u1ea3n nhi\u1ec7t nh\u01b0 th\u1ebf n\u00e0o tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t?<\/h3>\n\n\n\n

    So s\u00e1nh ch\u00fang \u1edf \u00e1p su\u1ea5t, BLT, nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t th\u1ef1c t\u1ebf. X\u00e1c minh \u0111\u1ed9 ho\u1ea1t h\u00f3a ho\u1eb7c \u0111\u1ed9 ph\u1ee7, \u0111o nhi\u1ec7t \u0111\u1ed9 thi\u1ebft b\u1ecb, ti\u1ebfn h\u00e0nh c\u00e1c th\u1eed nghi\u1ec7m chu k\u1ef3 v\u00e0 l\u00e3o h\u00f3a ph\u00f9 h\u1ee3p, ki\u1ec3m tra b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, sau \u0111\u00f3 s\u1ea3n xu\u1ea5t m\u1ed9t l\u00f4 th\u1eed nghi\u1ec7m. X\u00e1c \u0111\u1ecbnh c\u00e1c gi\u1edbi h\u1ea1n \u0111\u1ea1t\/kh\u00f4ng \u0111\u1ea1t v\u1ec1 nhi\u1ec7t, ngo\u1ea1i quan v\u00e0 quy tr\u00ecnh tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u th\u1eed nghi\u1ec7m.<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

    On a lab bench, both materials look simple. Put a thermal interface material between a hot component and a cooler, […]<\/p>\n","protected":false},"author":4,"featured_media":1939,"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-1937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-haktak-blog"],"_links":{"self":[{"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/posts\/1937","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=1937"}],"version-history":[{"count":2,"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/posts\/1937\/revisions"}],"predecessor-version":[{"id":2025,"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/posts\/1937\/revisions\/2025"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/media\/1939"}],"wp:attachment":[{"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/media?parent=1937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/categories?post=1937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haktak.com\/vi\/wp-json\/wp\/v2\/tags?post=1937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}