{"id":1549,"date":"2026-06-04T06:35:00","date_gmt":"2026-06-04T06:35:00","guid":{"rendered":"https:\/\/haktak.com\/?p=1549"},"modified":"2026-06-04T06:35:02","modified_gmt":"2026-06-04T06:35:02","slug":"thermal-putty-vs-thermal-pad-uneven-gaps","status":"publish","type":"post","link":"https:\/\/haktak.com\/vi\/thermal-putty-vs-thermal-pad-uneven-gaps\/","title":{"rendered":"Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n (Thermal Putty) vs Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (Thermal Pad): C\u00e1ch l\u1ef1a ch\u1ecdn cho c\u00e1c khe h\u1edf kh\u00f4ng \u0111\u1ec1u"},"content":{"rendered":"<div class=\"product\"><div class=\"product\">\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo (thermal putty) th\u01b0\u1eddng t\u1ed1t h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c khe h\u1edf kh\u00f4ng \u0111\u1ec1u, chi\u1ec1u cao linh ki\u1ec7n kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u00e0 c\u00e1c c\u1ee5m l\u1eafp r\u00e1p ph\u1ee9c t\u1ea1p v\u00ec n\u00f3 d\u1ec5 d\u00e0ng th\u00edch \u1ee9ng v\u1edbi c\u00e1c b\u1ec1 m\u1eb7t kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i ch\u1ecdn \u0111\u1ed9 d\u00e0y ch\u00ednh x\u00e1c. Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pads) t\u1ed1t h\u01a1n khi khe h\u1edf c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c, \u0111\u1ed3ng nh\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t c\u01a1 h\u1ecdc, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi y\u00eau c\u1ea7u thao t\u00e1c s\u1ea1ch s\u1ebd, h\u00ecnh d\u1ea1ng \u0111\u01b0\u1ee3c c\u1eaft theoKhu\u00f4n v\u00e0 qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p l\u1eb7p l\u1ea1i l\u00e0 quan tr\u1ecdng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"912\" height=\"595\" src=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/02\/image-5.png\" alt=\"thermal-putty-vs-thermal-pad-uneven-gaps\" class=\"wp-image-1341\" srcset=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/02\/image-5.png 912w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/02\/image-5-300x196.png 300w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/02\/image-5-768x501.png 768w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/02\/image-5-600x391.png 600w\" sizes=\"(max-width: 912px) 100vw, 912px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n: h\u00e3y ch\u1ecdn keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo (thermal putty) khi b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac kh\u00f4ng \u0111\u1ec1u ho\u1eb7c kh\u00f3 \u0111o \u0111\u1ea1c; h\u00e3y ch\u1ecdn mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pads) khi kho\u1ea3ng c\u00e1ch \u1ed5n \u0111\u1ecbnh v\u00e0 t\u00ednh l\u1eb7p l\u1ea1i l\u00e0 quan tr\u1ecdng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 hai v\u1eadt li\u1ec7u \u0111\u1ec1u l\u00e0 v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t, nh\u01b0ng ch\u00fang gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt kh\u00e1c nhau. Vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m nhi\u1ec7t tr\u1edf, c\u1ea3i thi\u1ec7n \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i v\u00e0 ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 l\u1eafp r\u00e1p ph\u1ed5 bi\u1ebfn nh\u01b0 ti\u1ebfp x\u00fac k\u00e9m, n\u00e9n qu\u00e1 m\u1ee9c, hi\u1ec7n t\u01b0\u1ee3ng b\u01a1m r\u00e3nh (pump-out) ho\u1eb7c tr\u00e0n v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <a href=\"https:\/\/haktak.com\/vi\/understanding-thermal-interface-material\/\">v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t giao di\u1ec7n<\/a>, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 TIM, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng gi\u1eefa ngu\u1ed3n nhi\u1ec7t v\u00e0 b\u1ed9 t\u1ea3n nhi\u1ec7t, khung m\u00e1y, t\u1ea5m l\u00e0m m\u00e1t ho\u1eb7c v\u1ecf b\u1ecdc. Nhi\u1ec7m v\u1ee5 c\u1ee7a n\u00f3 l\u00e0 l\u1ea5p \u0111\u1ea7y c\u00e1c khe h\u1edf kh\u00f4ng kh\u00ed t\u1eeb vi m\u00f4 \u0111\u1ebfn v\u0129 m\u00f4 \u0111\u1ec3 nhi\u1ec7t c\u00f3 th\u1ec3 truy\u1ec1n t\u1eeb b\u1ec1 m\u1eb7t n\u00e0y sang b\u1ec1 m\u1eb7t kh\u00e1c hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay c\u1ea3 c\u00e1c b\u1ec1 m\u1eb7t kim lo\u1ea1i \u0111\u01b0\u1ee3c gia c\u00f4ng c\u0169ng kh\u00f4ng ho\u00e0n to\u00e0n b\u1eb1ng ph\u1eb3ng. D\u01b0\u1edbi k\u00ednh hi\u1ec3n vi, ch\u00fang ch\u1ee9a c\u00e1c \u0111\u1ec9nh, thung l\u0169ng v\u00e0 l\u1ed7 h\u1ed5ng li ti. Kh\u00f4ng kh\u00ed b\u1ecb k\u1eb9t b\u00ean trong nh\u1eefng l\u1ed7 h\u1ed5ng n\u00e0y c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t r\u1ea5t th\u1ea5p <a href=\"https:\/\/haktak.com\/vi\/thermal-conductivity-guide\/\">\u0111\u1ed9 d\u1eabn nhi\u1ec7t<\/a>, v\u00ec v\u1eady n\u00f3 ng\u0103n ch\u1eb7n s\u1ef1 truy\u1ec1n nhi\u1ec7t. TIM thay th\u1ebf kh\u00f4ng kh\u00ed b\u1eb1ng m\u1ed9t v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/haktak.com\/vi\/guide-thermal-grease-electronics-power-devices\/\">Keo t\u1ea3n nhi\u1ec7t<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/haktak.com\/vi\/what-is-thermal-paste\/\">Keo t\u1ea3n nhi\u1ec7t<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/haktak.com\/vi\/what-is-a-thermal-pad\/\">Mi\u1ebfng t\u1ea3n nhi\u1ec7t<\/a><\/li>\n\n\n\n<li>Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo<\/li>\n\n\n\n<li>Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng gel<\/li>\n\n\n\n<li><a href=\"https:\/\/haktak.com\/vi\/pcm-thermal-pads-explained\/\">V\u1eadt li\u1ec7u chuy\u1ec3n pha<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/haktak.com\/vi\/what-is-thermally-conductive-adhesive\/\">Keo d\u1eabn nhi\u1ec7t<\/a><\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u l\u1ea5p \u0111\u1ea7y khe h\u1edf<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Mi\u1ebfng t\u1ea3n nhi\u1ec7t v\u00e0 keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t (thermal putty) \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng khi b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac kh\u00f4ng ph\u1eb3ng ho\u00e0n to\u00e0n ho\u1eb7c khi kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c linh ki\u1ec7n v\u00e0 t\u1ea3n nhi\u1ec7t l\u1edbn h\u01a1n m\u1ee9c m\u00e0 keo t\u1ea3n nhi\u1ec7t th\u00f4ng th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/haktak.com\/vi\/thermal-putty-vs-thermal-paste\/\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo<\/a> l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t m\u1ec1m, c\u00f3 th\u1ec3 u\u1ed1n n\u1eafn \u0111\u01b0\u1ee3c, gi\u1ed1ng nh\u01b0 \u0111\u1ea5t s\u00e9t, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y c\u00e1c kho\u1ea3ng tr\u1ed1ng gi\u1eefa c\u00e1c linh ki\u1ec7n sinh nhi\u1ec7t v\u00e0 b\u1ec1 m\u1eb7t l\u00e0m m\u00e1t. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i chi\u1ec1u cao linh ki\u1ec7n thay \u0111\u1ed5i ho\u1eb7c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac kh\u00f4ng ho\u00e0n to\u00e0n b\u1eb1ng ph\u1eb3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1c v\u1edbi keo t\u1ea3n nhi\u1ec7t v\u1ed1n m\u1ecfng v\u00e0 c\u00f3 th\u1ec3 ph\u1ebft ra \u0111\u01b0\u1ee3c, b\u1ed9t t\u1ea3n nhi\u1ec7t c\u00f3 \u0111\u1ed9 \u0111\u1eb7c cao h\u01a1n nhi\u1ec1u. N\u00f3 c\u00f3 th\u1ec3 gi\u1eef nguy\u00ean v\u1ecb tr\u00ed trong khi v\u1eabn th\u00edch \u1ee9ng \u0111\u01b0\u1ee3c d\u01b0\u1edbi \u00e1p l\u1ef1c. Kh\u00f4ng gi\u1ed1ng nh\u01b0 nhi\u1ec1u v\u1eadt li\u1ec7u \u0111\u00e3 \u0111\u00f3ng r\u1eafn, n\u00f3 th\u01b0\u1eddng v\u1eabn m\u1ec1m v\u00e0 c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n (thermal putty) th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t<\/li>\n\n\n\n<li>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u00f4 t\u00f4<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng pin v\u00e0 bi\u1ebfn t\u1ea7n xe \u0111i\u1ec7n<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng<\/li>\n\n\n\n<li>\u0110i\u1ec7n t\u1eed c\u00f4ng nghi\u1ec7p<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng c\u00f3 b\u1ed1 c\u1ee5c linh ki\u1ec7n kh\u00f4ng \u0111\u1ec1u<\/li>\n\n\n\n<li>C\u00e1c bo m\u1ea1ch l\u1eafp r\u00e1p PCB \u0111a th\u00e0nh ph\u1ea7n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a n\u00f3 l\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng. Khi b\u1ecb n\u00e9n, keo t\u1ea3n nhi\u1ec7t c\u00f3 th\u1ec3 ch\u1ea3y v\u00e0o c\u00e1c kho\u1ea3ng tr\u1ed1ng kh\u00f4ng \u0111\u1ec1u, bao ph\u1ee7 c\u00e1c \u0111\u1ed9 cao ch\u00eanh l\u1ec7ch v\u00e0 duy tr\u00ec ti\u1ebfp x\u00fac tr\u00ean c\u00e1c h\u00ecnh h\u1ecdc b\u1ea5tregular.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mi\u1ebfng t\u1ea3n nhi\u1ec7t l\u00e0 g\u00ec?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1010\" height=\"671\" src=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-11.png\" alt=\"Mi\u1ebfng t\u1ea3n nhi\u1ec7t l\u00e0 g\u00ec?\" class=\"wp-image-1444\" srcset=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-11.png 1010w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-11-300x199.png 300w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-11-768x510.png 768w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-11-18x12.png 18w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-11-600x399.png 600w\" sizes=\"(max-width: 1010px) 100vw, 1010px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Mi\u1ebfng t\u1ea3n nhi\u1ec7t l\u00e0 m\u1ed9t t\u1ea5m v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh s\u1eb5n, d\u00f9ng \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng tr\u1ed1ng gi\u1eefa m\u1ed9t linh ki\u1ec7n v\u00e0 m\u1ed9t b\u1ed9 t\u1ea3n nhi\u1ec7t ho\u1eb7c v\u1ecf m\u00e1y. Mi\u1ebfng t\u1ea3n nhi\u1ec7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u silicone ho\u1eb7c polymer \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y b\u1eb1ng c\u00e1c h\u1ea1t d\u1eabn nhi\u1ec7t nh\u01b0 g\u1ed1m, nh\u00f4m oxit, boron nitride ho\u1eb7c c\u00e1c ch\u1ea5t \u0111\u1ed9n kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mi\u1ebfng t\u1ea3n nhi\u1ec7t c\u00f3 c\u00e1c \u0111\u1ed9 d\u00e0y, m\u1ee9c \u0111\u1ed9 \u0111\u1ed9 c\u1ee9ng v\u00e0 c\u00e1c c\u1ea5p \u0111\u1ed9 d\u1eabn nhi\u1ec7t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eaft theo khu\u00f4n th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng t\u00f9y ch\u1ec9nh \u0111\u1ec3 l\u1eafp r\u00e1p nhanh ch\u00f3ng v\u00e0 \u0111\u1ed3ng nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CPU v\u00e0 GPU<\/li>\n\n\n\n<li>Thanh RAM<\/li>\n\n\n\n<li>M\u00f4-\u0111un LED<\/li>\n\n\n\n<li>Ngu\u1ed3n \u0111i\u1ec7n<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd pin<\/li>\n\n\n\n<li>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng<\/li>\n\n\n\n<li>\u0110i\u1ec7n t\u1eed \u00f4 t\u00f4<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ee3i th\u1ebf l\u1edbn nh\u1ea5t c\u1ee7a ch\u00fang l\u00e0 t\u00ednh l\u1eb7p l\u1ea1i. M\u1ed9t mi\u1ebfng \u0111\u1ec7m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eaft theo c\u00f9ng m\u1ed9t h\u00ecnh d\u1ea1ng v\u00e0 \u0111\u1ed9 d\u00e0y m\u1ed7i l\u1ea7n, l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p cho s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t s\u00e9t (Thermal Putty) v\u00e0 Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (Thermal Pad): S\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh l\u00e0 c\u00e1ch m\u1ed7i v\u1eadt li\u1ec7u x\u1eed l\u00fd s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a khe h\u1edf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mi\u1ebfng t\u1ea3n nhi\u1ec7t c\u00f3 \u0111\u1ed9 d\u00e0y c\u1ed1 \u0111\u1ecbnh. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t khi kho\u1ea3ng c\u00e1ch \u0111\u01b0\u1ee3c bi\u1ebft tr\u01b0\u1edbc v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u. N\u1ebfu mi\u1ebfng t\u1ea3n nhi\u1ec7t qu\u00e1 m\u1ecfng, n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng ti\u1ebfp x\u00fac ho\u00e0n to\u00e0n. N\u1ebfu qu\u00e1 d\u00e0y ho\u1eb7c qu\u00e1 c\u1ee9ng, n\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra l\u1ef1c c\u0103ng c\u01a1 h\u1ecdc qu\u00e1 m\u1ee9c l\u00ean c\u00e1c linh ki\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o kh\u00f4ng b\u1ecb ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t h\u00ecnh d\u1ea1ng c\u1ed1 \u0111\u1ecbnh theo c\u00e1ch t\u01b0\u01a1ng t\u1ef1. N\u00f3 c\u00f3 th\u1ec3 bi\u1ebfn d\u1ea1ng v\u00e0 th\u00edch \u1ee9ng d\u1ec5 d\u00e0ng h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 h\u1eefu \u00edch khi c\u1ee5m l\u1eafp r\u00e1p bao g\u1ed3m c\u00e1c linh ki\u1ec7n c\u00f3 chi\u1ec1u cao kh\u00e1c nhau ho\u1eb7c khi dung sai s\u1ea3n xu\u1ea5t t\u1ea1o ra c\u00e1c kho\u1ea3ng tr\u1ed1ng kh\u00f3 \u0111o\u00e1n tr\u01b0\u1edbc.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Y\u1ebfu t\u1ed1<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>Keo c\u00e1ch nhi\u1ec7t<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>Mi\u1ebfng t\u1ea3n nhi\u1ec7t<\/strong><\/td><\/tr><tr><td>T\u1ed1t nh\u1ea5t cho<\/td><td>C\u00e1c kho\u1ea3ng h\u1edf kh\u00f4ng \u0111\u1ec1u ho\u1eb7c bi\u1ebfn \u0111\u1ed5i<\/td><td>Kho\u1ea3ng h\u1edf \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/td><\/tr><tr><td>H\u00ecnh th\u00e1i v\u1eadt l\u00fd<\/td><td>Ch\u1ea5t li\u1ec7u m\u1ec1m, d\u1ec5 t\u1ea1o h\u00ecnh<\/td><td>T\u1ea5m \u0111\u1ecbnh h\u00ecnh s\u1eb5n<\/td><\/tr><tr><td>Ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u00e0y<\/td><td>\u0110\u01b0\u1ee3c \u00e1p d\u1ee5ng theo th\u1ec3 t\u00edch ho\u1eb7c h\u00ecnh d\u1ea1ng<\/td><td>\u0110\u1ed9 d\u00e0y c\u1ed1 \u0111\u1ecbnh<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng<\/td><td>R\u1ea5t cao<\/td><td>Trung b\u00ecnh \u0111\u1ebfn cao<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng l\u00e0m l\u1ea1i<\/td><td>Th\u01b0\u1eddng l\u00e0 t\u1ed1t<\/td><td>T\u1ed1t, t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00ednh v\u00e0 \u0111\u1ed9 n\u00e9n<\/td><\/tr><tr><td>\u0110\u1ed9 s\u1ea1ch khi l\u1eafp r\u00e1p<\/td><td>V\u1eeba ph\u1ea3i<\/td><td>Cao<\/td><\/tr><tr><td>T\u1ef1 \u0111\u1ed9ng h\u00f3a<\/td><td>C\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i<\/td><td>C\u00f3 th\u1ec3 b\u1ebf c\u1eaft v\u00e0 g\u1eafp-\u0111\u1eb7t<\/td><\/tr><tr><td>\u1ee8ng su\u1ea5t c\u01a1 h\u1ecdc<\/td><td>Th\u01b0\u1eddng th\u1ea5p h\u01a1n<\/td><td>T\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 n\u00e9n<\/td><\/tr><tr><td>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t<\/td><td>B\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1ec1u<\/td><td>S\u1ea3n xu\u1ea5t l\u1eb7p l\u1ea1i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao c\u00e1c khe h\u1edf kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 nhi\u1ec7t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Khe h\u1edf kh\u00f4ng \u0111\u1ec1u l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn trong c\u00e1c c\u1ee5m l\u1eafp r\u00e1p \u0111i\u1ec7n t\u1eed. Ch\u00fang c\u00f3 th\u1ec3 do s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 chi\u1ec1u cao linh ki\u1ec7n, dung sai c\u1ee7a bo m\u1ea1ch PCB, \u0111\u1ed9 ph\u1eb3ng c\u1ee7a t\u1ea3n nhi\u1ec7t, \u0111\u1ed9 d\u00e0y c\u1ee7a m\u1ed1i h\u00e0n, s\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a v\u1ecf, ho\u1eb7c s\u1ef1 sai l\u1ec7ch trong ch\u1ed3ng ch\u1ea5t c\u01a1 h\u1ecdc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi khe h\u1edf kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, m\u1ed9t v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t (TIM) kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 d\u1eabn nhi\u1ec7t. N\u00f3 c\u00f2n ph\u1ea3i duy tr\u00ec ti\u1ebfp x\u00fac \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c tr\u00e1m khe h\u1edf k\u00e9m c\u00f3 th\u1ec3 g\u00e2y ra m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1eabn c\u00f2n c\u00e1c t\u00fai kh\u00ed gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t<\/li>\n\n\n\n<li>V\u00f9ng ti\u1ebfp x\u00fac tr\u1edf n\u00ean kh\u00f4ng ho\u00e0n ch\u1ec9nh<\/li>\n\n\n\n<li>\u0110i\u1ec7n tr\u1edf nhi\u1ec7t t\u0103ng<\/li>\n\n\n\n<li>C\u00e1c \u0111i\u1ec3m n\u00f3ng ph\u00e1t tri\u1ec3n<\/li>\n\n\n\n<li>C\u00e1c linh ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n<\/li>\n\n\n\n<li>\u0110\u1ed9 tin c\u1eady gi\u1ea3m d\u1ea7n theo th\u1eddi gian<\/li>\n\n\n\n<li>\u1ee8ng su\u1ea5t c\u01a1 h\u1ecdc t\u1eadp trung v\u00e0o c\u00e1c linh ki\u1ec7n cao h\u01a1n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng su\u1ea5t cao, th\u1eadm ch\u00ed m\u1ed9t khe h\u1edf kh\u00f4ng kh\u00ed nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 l\u00e0m m\u00e1t. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u l\u1ea5p \u0111\u1ea7y khe h\u1edf ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khi Keo T\u1ea3n Nhi\u1ec7t D\u1ebbo L\u00e0 L\u1ef1a Ch\u1ecdn T\u1ed1t H\u01a1n<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1006\" height=\"636\" src=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-7.png\" alt=\"Khi Keo T\u1ea3n Nhi\u1ec7t D\u1ebbo L\u00e0 L\u1ef1a Ch\u1ecdn T\u1ed1t H\u01a1n\" class=\"wp-image-1413\" srcset=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-7.png 1006w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-7-300x190.png 300w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-7-768x486.png 768w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-7-18x12.png 18w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-7-600x379.png 600w\" sizes=\"(max-width: 1006px) 100vw, 1006px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n khi c\u1ee5m l\u1eafp r\u00e1p c\u00f3 c\u00e1c kho\u1ea3ng tr\u1ed1ng kh\u00f4ng ch\u1eafc ch\u1eafn ho\u1eb7c kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. V\u00ec n\u00f3 c\u00f3 th\u1ec3 bi\u1ebfn d\u1ea1ng d\u1ec5 d\u00e0ng, n\u00f3 b\u00f9 \u0111\u1eafp cho c\u00e1c s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 chi\u1ec1u cao t\u1ed1t h\u01a1n so v\u1edbi m\u1ed9t mi\u1ebfng \u0111\u1ec7m c\u00f3 \u0111\u1ed9 d\u00e0y c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ecdn keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n (thermal putty) khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nhi\u1ec1u th\u00e0nh ph\u1ea7n c\u00f3 chi\u1ec1u cao kh\u00e1c nhau<\/li>\n\n\n\n<li>Kho\u1ea3ng c\u00e1ch n\u00e0y r\u1ea5t kh\u00f3 \u0111o \u0111\u1ea1c m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c<\/li>\n\n\n\n<li>T\u1ea5m t\u1ea3n nhi\u1ec7t ho\u1eb7c v\u1ecf m\u00e1y kh\u00f4ng ho\u00e0n to\u00e0n ph\u1eb3ng<\/li>\n\n\n\n<li>\u00c1p su\u1ea5t n\u00e9n b\u1ecb gi\u1edbi h\u1ea1n<\/li>\n\n\n\n<li>\u1ee8ng su\u1ea5t c\u01a1 h\u1ecdc ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u \u0111\u1ebfn m\u1ee9c t\u1ed1i thi\u1ec3u<\/li>\n\n\n\n<li>C\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i l\u00e0m l\u1ea1i<\/li>\n\n\n\n<li>C\u1ee5m l\u1eafp r\u00e1p b\u1ecb rung \u0111\u1ed9ng ho\u1eb7c ch\u1ecbu chu k\u1ef3 nhi\u1ec7t<\/li>\n\n\n\n<li>B\u1ea1n c\u1ea7n v\u1eadt li\u1ec7u \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y c\u00e1c h\u00ecnh d\u1ea1ng ho\u1eb7c g\u00f3c ph\u1ee9c t\u1ea1p<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5, trong m\u1ed9t m\u00f4-\u0111un \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t, c\u00e1c t\u1ee5 \u0111i\u1ec7n, cu\u1ed9n c\u1ea3m, MOSFET v\u00e0 IC kh\u00e1c nhau c\u00f3 th\u1ec3 n\u1eb1m \u1edf c\u00e1c \u0111\u1ed9 cao h\u01a1i kh\u00e1c nhau. Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pad) c\u00f3 th\u1ec3 ch\u1ec9 ti\u1ebfp x\u00fac v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn cao nh\u1ea5t, \u0111\u1ec3 l\u1ea1i c\u00e1c khe h\u1edf kh\u00f4ng kh\u00ed \u1edf c\u00e1c linh ki\u1ec7n th\u1ea5p h\u01a1n. Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o (thermal putty) c\u00f3 th\u1ec3 th\u00edch \u1ee9ng v\u1edbi nh\u1eefng s\u1ef1 ch\u00eanh l\u1ec7ch \u0111\u00f3 v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ti\u1ebfp x\u00fac t\u1ed5ng th\u1ec3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khi n\u00e0o mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t th\u01b0\u1eddng t\u1ed1t h\u01a1n khi thi\u1ebft k\u1ebf c\u00f3 kho\u1ea3ng tr\u1ed1ng c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tr\u01b0\u1edbc v\u00e0 \u0111\u00f2i h\u1ecfi qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p s\u1ea1ch s\u1ebd, c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i. Ch\u00fang d\u1ec5 x\u1eed l\u00fd, d\u1ec5 c\u1eaft d\u1eadp theo khu\u00f4n v\u00e0 d\u1ec5 \u00e1p d\u1ee5ng h\u01a1n trong s\u1ea3n xu\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ecdn mi\u1ebfng t\u1ea3n nhi\u1ec7t (thermal pad) khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kho\u1ea3ng c\u00e1ch \u0111\u1ec1u \u0111\u1eb7n v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u1ed1t<\/li>\n\n\n\n<li>\u0110\u1ed9 d\u00e0y y\u00eau c\u1ea7u \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebft<\/li>\n\n\n\n<li>T\u1ed1c \u0111\u1ed9 l\u1eafp r\u00e1p v\u00e0 s\u1ef1 s\u1ea1ch s\u1ebd r\u1ea5t quan tr\u1ecdng<\/li>\n\n\n\n<li>B\u1ed9 ph\u1eadn n\u00e0y c\u1ea7n m\u1ed9t h\u00ecnh d\u1ea1ng c\u1eaft b\u1ebf theo y\u00eau c\u1ea7u<\/li>\n\n\n\n<li>Khu v\u1ef1c giao di\u1ec7n ph\u1eb3ng v\u00e0 \u0111\u1ed3ng nh\u1ea5t<\/li>\n\n\n\n<li>Ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u1ea7n v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t \u0111\u01a1n gi\u1ea3n<\/li>\n\n\n\n<li>Thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh<\/li>\n\n\n\n<li>L\u1eafp r\u00e1p t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5, n\u1ebfu m\u1ed9t linh ki\u1ec7n PCB lu\u00f4n n\u1eb1m th\u1ea5p h\u01a1n 1,0 mm so v\u1edbi v\u1ecf nh\u00f4m, th\u00ec m\u1ed9t mi\u1ebfng t\u1ec7m nhi\u1ec7t d\u00e0y 1,0 mm ho\u1eb7c h\u01a1i n\u00e9n \u0111\u01b0\u1ee3c c\u00f3 th\u1ec3 l\u00e0 gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n v\u00e0 \u0111\u00e1ng tin c\u1eady nh\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hi\u1ec7u su\u1ea5t nhi\u1ec7t: \u0110\u1ed9 d\u1eabn nhi\u1ec7t kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ea5t c\u1ea3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u ng\u01b0\u1eddi mua ch\u1ec9 so s\u00e1nh keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o (thermal putty) v\u00e0 mi\u1ebfng t\u1ea3n nhi\u1ec7t (thermal pads) d\u1ef1a tr\u00ean \u0111\u1ed9 d\u1eabn nhi\u1ec7t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng W\/m\u00b7K. M\u1eb7c d\u00f9 con s\u1ed1 n\u00e0y r\u1ea5t quan tr\u1ecdng, nh\u01b0ng n\u00f3 kh\u00f4ng ph\u1ea3n \u00e1nh to\u00e0n b\u1ed9 b\u1ee9c tranh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7u su\u1ea5t nhi\u1ec7t th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c v\u00e0o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/li>\n\n\n\n<li>\u0110\u1ed9 d\u00e0y li\u00ean k\u1ebft h\u00f3a h\u1ecdc<\/li>\n\n\n\n<li>L\u1ef1c n\u00e9n<\/li>\n\n\n\n<li>Khu v\u1ef1c li\u00ean h\u1ec7<\/li>\n\n\n\n<li>\u0110\u1ed9 ph\u1eb3ng b\u1ec1 m\u1eb7t<\/li>\n\n\n\n<li>\u0110\u1ed9 c\u1ee9ng v\u1eadt li\u1ec7u<\/li>\n\n\n\n<li>Ph\u00e2n ph\u1ed1i ch\u1ea5t l\u00e0m \u0111\u1ea7y<\/li>\n\n\n\n<li>S\u1ef1 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i<\/li>\n\n\n\n<li>Giao di\u1ec7n <a href=\"https:\/\/haktak.com\/vi\/what-is-thermal-resistance\/\">\u0111i\u1ec7n tr\u1edf nhi\u1ec7t<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao h\u01a1n c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng k\u00e9m h\u01a1n n\u1ebfu n\u00f3 kh\u00f4ng ti\u1ebfp x\u00fac \u0111\u00fang c\u00e1ch. Trong c\u00e1c khe h\u1edf kh\u00f4ng \u0111\u1ec1u, m\u1ed9t lo\u1ea1i keo t\u1ea3n nhi\u1ec7t c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p h\u01a1n nh\u01b0ng kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng tuy\u1ec7t v\u1eddi c\u00f3 th\u1ec3 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n m\u1ed9t mi\u1ebfng \u0111\u1ec7m c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao h\u01a1n nh\u01b0ng l\u1ea1i \u0111\u1ec3 l\u1ea1i c\u00e1c t\u00fai kh\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c l\u1ef1a ch\u1ecdn mi\u1ebfng t\u1ea3n nhi\u1ec7t. N\u1ebfu mi\u1ebfng t\u1ea3n nhi\u1ec7t qu\u00e1 c\u1ee9ng ho\u1eb7c qu\u00e1 d\u00e0y, n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng n\u00e9n \u0111\u1ee7 \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p. N\u1ebfu n\u00f3 qu\u00e1 m\u1ec1m, n\u00f3 c\u00f3 th\u1ec3 b\u1ecb bi\u1ebfn d\u1ea1ng qu\u00e1 m\u1ee9c ho\u1eb7c m\u1ea5t \u0111i \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u01a1 h\u1ecdc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c khe h\u1edf kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, c\u00e2u h\u1ecfi th\u1ef1c t\u1ebf kh\u00f4ng ch\u1ec9 l\u00e0 \u201cV\u1eadt li\u1ec7u n\u00e0o c\u00f3 h\u1ec7 s\u1ed1 W\/m\u00b7K cao h\u01a1n?\u201d m\u00e0 l\u00e0 \u201cV\u1eadt li\u1ec7u n\u00e0o t\u1ea1o ra \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac th\u1ef1c t\u1ebf th\u1ea5p nh\u1ea5t trong c\u1ee5m l\u1eafp r\u00e1p n\u00e0y?\u201d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc kho\u1ea3ng h\u1edf v\u00e0 \u0111\u1ed9 d\u00e0y<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00edch th\u01b0\u1edbc khe h\u1edf l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t khi l\u1ef1a ch\u1ecdn gi\u1eefa keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o (thermal putty) v\u00e0 mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pad).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c khe h\u1edf nh\u1ecf, \u0111\u1ed3ng \u0111\u1ec1u, mi\u1ebfng t\u1ea3n nhi\u1ec7t th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. \u0110\u1ed1i v\u1edbi c\u00e1c khe h\u1edf l\u1edbn ho\u1eb7c thay \u0111\u1ed5i, keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo c\u00f3 th\u1ec3 th\u00edch \u1ee9ng t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn chung:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>\u0110i\u1ec1u ki\u1ec7n kho\u1ea3ng tr\u1ed1ng<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>T\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/strong><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Giao di\u1ec7n r\u1ea5t m\u1ecfng v\u00e0 ph\u1eb3ng<\/td><td>Keo t\u1ea3n nhi\u1ec7t ho\u1eb7c v\u1eadt li\u1ec7u chuy\u1ec3n pha<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Kho\u1ea3ng c\u00e1ch nh\u1ecf v\u00e0 \u0111\u1ec1u \u0111\u1eb7n<\/td><td>Mi\u1ebfng t\u1ea3n nhi\u1ec7t<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Kho\u1ea3ng c\u00e1ch v\u1eeba ph\u1ea3i v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/td><td>T\u1ea5m t\u1ea3n nhi\u1ec7t ho\u1eb7c t\u1ea5m \u0111\u1ec7m l\u1ea5p \u0111\u1ea7y khe h\u1edf m\u1ec1m<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Kho\u1ea3ng c\u00e1ch kh\u00f4ng \u0111\u1ec1u gi\u1eefa c\u00e1c linh ki\u1ec7n<\/td><td>Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Kho\u1ea3ng c\u00e1ch l\u1edbn v\u00e0 kh\u00f4ng \u0111\u1ec1u<\/td><td>Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n ho\u1eb7c ch\u1ea5t l\u1ea5p \u0111\u1ea7y khe h\u1edf c\u00f3 th\u1ec3 b\u01a1m\/ph\u00e2n ph\u1ed1i<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Sai s\u1ed1 ch\u1ed3ng ch\u1ea5t ch\u01b0a bi\u1ebft<\/td><td>Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n d\u00f9ng cho vi\u1ec7c ki\u1ec3m th\u1eed s\u1edbm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t \u0111\u00f2i h\u1ecfi ph\u1ea3i l\u1ef1a ch\u1ecdn \u0111\u1ed9 d\u00e0y ch\u00ednh x\u00e1c. N\u1ebfu mi\u1ebfng \u0111\u1ec7m \u0111\u01b0\u1ee3c ch\u1ecdn m\u1ecfng h\u01a1n khe h\u1edf, vi\u1ec7c ti\u1ebfp x\u00fac c\u00f3 th\u1ec3 kh\u00f4ng ho\u00e0n to\u00e0n. N\u1ebfu n\u00f3 d\u00e0y h\u01a1n nhi\u1ec1u so v\u1edbi khe h\u1edf, l\u1ef1c n\u00e9n c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng c\u00e1c linh ki\u1ec7n ho\u1eb7c l\u00e0m cong bo m\u1ea1ch in.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o mang l\u1ea1i cho c\u00e1c k\u1ef9 s\u01b0 s\u1ef1 linh ho\u1ea1t cao h\u01a1n v\u1ec1 dung sai v\u00ec n\u00f3 c\u00f3 th\u1ec3 ph\u00e2n b\u1ed1 l\u1ea1i d\u01b0\u1edbi \u00e1p l\u1ef1c. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh x\u00e1c th\u1ef1c thi\u1ebft k\u1ebf ho\u1eb7c trong c\u00e1c c\u1ee5m l\u1eafp r\u00e1p m\u00e0 s\u1ef1 bi\u1ebfn \u0111\u1ed9ng v\u1ec1 kho\u1ea3ng h\u1edf l\u00e0 kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">N\u00e9n v\u00e0 \u1ee8ng su\u1ea5t C\u01a1 h\u1ecdc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e9n l\u00e0 m\u1ed9t \u0111i\u1ec3m kh\u00e1c bi\u1ec7t l\u1edbn kh\u00e1c gi\u1eefa keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n v\u00e0 mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mi\u1ebfng t\u1ea3n nhi\u1ec7t c\u1ea7n \u0111\u1ed9 n\u00e9n \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. \u0110\u1ed9 n\u00e9n gi\u00fap c\u1ea3i thi\u1ec7n ti\u1ebfp x\u00fac v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c kho\u1ea3ng tr\u1ed1ng kh\u00f4ng kh\u00ed. Tuy nhi\u00ean, l\u1ef1c n\u00e9n qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u00e1c linh ki\u1ec7n d\u1ec5 v\u1ee1 ho\u1eb7c c\u00e1c m\u1ed1i h\u00e0n nh\u1ea1y c\u1ea3m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c r\u1ee7i ro ti\u1ec1m \u1ea9n c\u1ee7a vi\u1ec7c n\u00e9n b\u0103ng v\u1ec7 sinh qu\u00e1 m\u1ee9c bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>U\u1ed1n cong PCB<\/li>\n\n\n\n<li>N\u1ee9t linh ki\u1ec7n<\/li>\n\n\n\n<li>\u1ee8ng su\u1ea5t m\u1ed1i h\u00e0n<\/li>\n\n\n\n<li>Bi\u1ebfn d\u1ea1ng v\u1ecf nh\u00e0<\/li>\n\n\n\n<li>Ph\u00e2n b\u1ed5 \u00e1p su\u1ea5t kh\u00f4ng \u0111\u1ec1u<\/li>\n\n\n\n<li>\u0110\u1ed9 kh\u00f3 l\u1eafp r\u00e1p<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi \u00edt l\u1ef1c h\u01a1n \u0111\u1ec3 th\u00edch \u1ee9ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c c\u1ee5m l\u1eafp r\u00e1p c\u00f3 c\u00e1c linh ki\u1ec7n m\u1ecfng manh ho\u1eb7c b\u1ec1 m\u1eb7t kh\u00f4ng b\u1eb1ng ph\u1eb3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, b\u1ed9t tr\u00e9t v\u1eabn ph\u1ea3i \u0111\u01b0\u1ee3c b\u00f4i v\u1edbi l\u01b0\u1ee3ng v\u1eeba \u0111\u1ee7. Qu\u00e1 \u00edt v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 kh\u00f4ng l\u1ea5p \u0111\u1ea7y \u0111\u01b0\u1ee3c khe h\u1edf. Qu\u00e1 nhi\u1ec1u v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 b\u1ecb tr\u00e0n ra ho\u1eb7c c\u1ea3n tr\u1edf c\u00e1c linh ki\u1ec7n xung quanh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">S\u1eeda ch\u1eefa v\u00e0 B\u1ea3o d\u01b0\u1ee1ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo (thermal putty) v\u00e0 mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pad) \u0111\u1ec1u c\u00f3 th\u1ec3 th\u00e1o l\u1eafp l\u1ea1i \u0111\u01b0\u1ee3c, nh\u01b0ng ch\u00fang c\u00f3 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mi\u1ebfng t\u1ea3n nhi\u1ec7t nh\u00ecn chung r\u1ea5t d\u1ec5 th\u00e1o ra th\u00e0nh m\u1ed9t kh\u1ed1i duy nh\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi ch\u00fang c\u00f3 \u0111\u1ee7 \u0111\u1ed9 b\u1ec1n c\u1ea5u tr\u00fac. \u0110i\u1ec1u n\u00e0y gi\u00fap ch\u00fang thu\u1eadn ti\u1ec7n cho vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n (thermal putty) c\u0169ng th\u01b0\u1eddng c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng, nh\u01b0ng vi\u1ec7c th\u00e1o d\u1ee1 c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi ph\u1ea3i v\u1ec7 sinh nhi\u1ec1u h\u01a1n v\u00ec n\u00f3 c\u00f3 th\u1ec3 b\u1ecb bi\u1ebfn d\u1ea1ng, tr\u00e0n ra ho\u1eb7c \u0111\u1ec3 l\u1ea1i c\u1eb7n t\u00f9y theo c\u00f4ng th\u1ee9c. \u0110\u1ed5i l\u1ea1i, n\u00f3 mang l\u1ea1i kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng t\u1ed1t h\u01a1n cho c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac kh\u00f4ng \u0111\u1ec1u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m y\u00eau c\u1ea7u b\u1ea3o d\u01b0\u1ee1ng th\u01b0\u1eddng xuy\u00ean, mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n. \u0110\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m m\u00e0 vi\u1ec7c ti\u1ebfp x\u00fac nhi\u1ec7t quan tr\u1ecdng h\u01a1n vi\u1ec7c th\u00e1o l\u1eafp s\u1ea1ch s\u1ebd, keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o c\u00f3 th\u1ec3 l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Chu k\u1ef3 rung \u0111\u1ed9ng v\u00e0 nhi\u1ec7t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong xe c\u1ed9, thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p, h\u1ec7 th\u1ed1ng vi\u1ec5n th\u00f4ng ngo\u00e0i tr\u1eddi v\u00e0 c\u00e1c m\u00f4-\u0111un ngu\u1ed3n th\u01b0\u1eddng xuy\u00ean ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi rung \u0111\u1ed9ng v\u00e0 chu k\u1ef3 nhi\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chu k\u1ef3 nhi\u1ec7t c\u00f3 th\u1ec3 l\u00e0m cho v\u1eadt li\u1ec7u gi\u00e3n n\u1edf v\u00e0 co l\u1ea1i li\u00ean t\u1ee5c. Theo th\u1eddi gian, hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t ti\u1ebfp x\u00fac, n\u1ee9t, hi\u1ec7n t\u01b0\u1ee3ng b\u01a1m \u0111\u00f9n, ho\u1eb7c m\u1ecfi v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o ho\u1ea1t \u0111\u1ed9ng r\u1ea5t t\u1ed1t trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng d\u1ec5 rung \u0111\u1ed9ng v\u00ec n\u00f3 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1ec1m v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i. N\u00f3 c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c chuy\u1ec3n \u0111\u1ed9ng nh\u1ecf v\u00e0 duy tr\u00ec ti\u1ebfp x\u00fac tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1ec1u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t c\u0169ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t d\u01b0\u1edbi chu k\u1ef3 nhi\u1ec7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi ch\u1ecdn \u0111\u00fang \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 d\u00e0y v\u00e0 kho\u1ea3ng n\u00e9n. Tuy nhi\u00ean, n\u1ebfu mi\u1ebfng \u0111\u1ec7m qu\u00e1 c\u1ee9ng ho\u1eb7c kh\u00f4ng kh\u1edbp v\u1edbi kho\u1ea3ng tr\u1ed1ng, n\u00f3 c\u00f3 th\u1ec3 m\u1ea5t ti\u1ebfp x\u00fac hi\u1ec7u qu\u1ea3 theo th\u1eddi gian.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf c\u01a1 kh\u00ed, d\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng v\u00e0 tu\u1ed5i th\u1ecd d\u1ef1 ki\u1ebfn c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc trong s\u1ea3n xu\u1ea5t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb g\u00f3c \u0111\u1ed9 s\u1ea3n xu\u1ea5t, t\u1ea3n nhi\u1ec7t d\u1ea1ng t\u1ea5m (thermal pads) v\u00e0 keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1eb7c (thermal putties) h\u1ed7 tr\u1ee3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u1eafp r\u00e1p kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea5m t\u1ea3n nhi\u1ec7t r\u1ea5t tuy\u1ec7t v\u1eddi cho vi\u1ec7c s\u1ea3n xu\u1ea5t l\u1eb7p l\u1ea1i. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eaft theo khu\u00f4n, c\u00e1n m\u00e0ng, \u0111\u00f3ng g\u00f3i v\u00e0 \u0111\u1eb7t v\u00e0o v\u1ecb tr\u00ed m\u1ed9t c\u00e1ch nhanh ch\u00f3ng. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 x\u00e1c b\u1eb1ng m\u1eaft v\u1ecb tr\u00ed \u0111\u1eb7t, v\u00e0 l\u01b0\u1ee3ng v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi s\u1ef1 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh ch\u1eb7t ch\u1ebd h\u01a1n. L\u01b0\u1ee3ng keo b\u00f4i v\u00e0o ph\u1ea3i \u0111\u1ed3ng \u0111\u1ec1u, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi \u0111\u01b0\u1ee3c c\u1ea5p t\u1ef1 \u0111\u1ed9ng. Trong s\u1ea3n xu\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn, c\u00e1c th\u00f4ng s\u1ed1 c\u1ea5p keo nh\u01b0 \u00e1p su\u1ea5t, t\u1ed1c \u0111\u1ed9, th\u1ec3 t\u00edch v\u00e0 ki\u1ec3u qu\u00e9t ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ea9m \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t th\u01b0\u1eddng d\u1ec5 d\u00e0ng h\u01a1n cho vi\u1ec7c l\u1eafp r\u00e1p th\u1ee7 c\u00f4ng. Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo c\u00f3 th\u1ec3 t\u1ed1t h\u01a1n cho c\u00e1c c\u1ee5m l\u1eafp r\u00e1p ph\u1ee9c t\u1ea1p nh\u01b0ng c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi thi\u1ebft k\u1ebf quy tr\u00ecnh c\u1ea9n th\u1eadn h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Danh s\u00e1ch ki\u1ec3m tra l\u1ef1a ch\u1ecdn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng danh s\u00e1ch ki\u1ec3m tra n\u00e0y khi l\u1ef1a ch\u1ecdn gi\u1eefa keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n (thermal putty) v\u00e0 mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pad):<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Kho\u1ea3ng tr\u1ed1ng \u0111\u1ed3ng \u0111\u1ec1u hay kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u? N\u1ebfu kho\u1ea3ng tr\u1ed1ng \u0111\u1ed3ng \u0111\u1ec1u, h\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pad). N\u1ebfu kho\u1ea3ng tr\u1ed1ng thay \u0111\u1ed5i tr\u00ean b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, h\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo (thermal putty).<\/li>\n\n\n\n<li>C\u00e1c linh ki\u1ec7n c\u00f3 chi\u1ec1u cao kh\u00e1c nhau kh\u00f4ng? \u0110\u1ed1i v\u1edbi nhi\u1ec1u chi\u1ec1u cao linh ki\u1ec7n kh\u00e1c nhau, keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o th\u01b0\u1eddng linh ho\u1ea1t h\u01a1n.<\/li>\n\n\n\n<li>L\u1ef1c n\u00e9n c\u00f3 b\u1ecb gi\u1edbi h\u1ea1n kh\u00f4ng? N\u1ebfu \u00e1p su\u1ea5t ph\u1ea3i th\u1ea5p, keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o (thermal putty) c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc.<\/li>\n\n\n\n<li>Vi\u1ec7c l\u1eafp r\u00e1p s\u1ea1ch c\u00f3 quan tr\u1ecdng kh\u00f4ng? C\u00e1c mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t s\u1ea1ch h\u01a1n v\u00e0 d\u1ec5 \u0111\u1eb7t h\u01a1n.<\/li>\n\n\n\n<li>C\u00f3 y\u00eau c\u1ea7u t\u1ef1 \u0111\u1ed9ng h\u00f3a kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn kh\u00f4ng? T\u1ea5m t\u1ea3n nhi\u1ec7t ph\u00f9 h\u1ee3p cho vi\u1ec7c \u0111\u1ecbnh v\u1ecb b\u1ebf c\u1eaft. Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i keo.<\/li>\n\n\n\n<li>S\u1ea3n ph\u1ea9m c\u00f3 c\u1ea7n ph\u1ea3i l\u00e0m l\u1ea1i kh\u00f4ng? T\u1ea5m t\u1ea3n nhi\u1ec7t th\u01b0\u1eddng d\u1ec5 th\u00e1o h\u01a1n. Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o c\u00f3 th\u1ec3 c\u1ea7n l\u00e0m s\u1ea1ch nhi\u1ec1u h\u01a1n.<\/li>\n\n\n\n<li>M\u00f4i tr\u01b0\u1eddng c\u00f3 ph\u1ea3i ch\u1ecbu rung \u0111\u1ed9ng ho\u1eb7c chu k\u1ef3 nhi\u1ec7t kh\u00f4ng? C\u1ea3 hai \u0111\u1ec1u kh\u1ea3 thi, nh\u01b0ng c\u1ea7n ki\u1ec3m tra \u0111\u1ed9 m\u1ec1m c\u1ee7a v\u1eadt li\u1ec7u, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 h\u00e0nh vi n\u00e9n.<\/li>\n\n\n\n<li>Giao di\u1ec7n l\u00e0 ph\u1eb3ng hay kh\u00f4ng \u0111\u1ec1u? Giao di\u1ec7n ph\u1eb3ng th\u00edch h\u1ee3p d\u00f9ng \u0111\u1ec7m. Giao di\u1ec7n kh\u00f4ng \u0111\u1ec1u th\u00edch h\u1ee3p d\u00f9ng tr\u00e9t.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn khi l\u1ef1a ch\u1ecdn gi\u1eefa keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o (thermal putty) v\u00e0 mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pad)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t sai l\u1ea7m ph\u1ed5 bi\u1ebfn l\u00e0 ch\u1ecdn v\u1eadt li\u1ec7u ch\u1ec9 d\u1ef1a tr\u00ean \u0111\u1ed9 d\u1eabn nhi\u1ec7t. Ch\u1ec9 s\u1ed1 W\/m\u00b7K cao kh\u00f4ng \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng l\u00e0m m\u00e1t t\u1ed1t h\u01a1n n\u1ebfu v\u1eadt li\u1ec7u kh\u00f4ng ti\u1ebfp x\u00fac ho\u00e0n to\u00e0n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t sai l\u1ea7m kh\u00e1c l\u00e0 ch\u1ecdn mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t qu\u00e1 d\u00e0y. C\u00e1c k\u1ef9 s\u01b0 \u0111\u00f4i khi ch\u1ecdn \u0111\u1ed9 d\u00e0y d\u01b0 th\u1eeba \u0111\u1ec3 \u201cch\u1eafc ch\u1eafn r\u1eb1ng n\u00f3 ti\u1ebfp x\u00fac,\u201d nh\u01b0ng l\u1ef1c n\u00e9n qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng c\u00e1c linh ki\u1ec7n ho\u1eb7c t\u0103ng \u1ee9ng su\u1ea5t l\u1eafp r\u00e1p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sai l\u1ea7m th\u1ee9 ba l\u00e0 s\u1eed d\u1ee5ng keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n m\u00e0 kh\u00f4ng ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng b\u00f4i v\u00e0o. Lo\u1ea1i keo n\u00e0y r\u1ea5t linh ho\u1ea1t, nh\u01b0ng v\u1eabn \u0111\u00f2i h\u1ecfi ph\u1ea3i ki\u1ec3m so\u00e1t quy tr\u00ecnh \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c sai l\u1ea7m kh\u00e1c bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ecf qua \u0111\u1ed9 c\u1ee9ng v\u00e0 ph\u1ea1m vi n\u00e9n<\/li>\n\n\n\n<li>B\u1ecf qua dung sai t\u00edch l\u0169y<\/li>\n\n\n\n<li>Gi\u1ea3 s\u1eed t\u1ea5t c\u1ea3 c\u00e1c kho\u1ea3ng tr\u1ed1ng \u0111\u1ec1u \u0111\u1ed3ng \u0111\u1ec1u<\/li>\n\n\n\n<li>Kh\u00f4ng th\u1eed nghi\u1ec7m d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf<\/li>\n\n\n\n<li>B\u1ecf qua c\u00e1c y\u00eau c\u1ea7u l\u00e0m l\u1ea1i<\/li>\n\n\n\n<li>Kh\u00f4ng x\u00e1c th\u1ef1c hi\u1ec7u su\u1ea5t ki\u1ec3m tra \u0111\u1ed9 rung v\u00e0 chu k\u1ef3 nhi\u1ec7t<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u1ea3i lu\u00f4n \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn b\u1eb1ng th\u1eed nghi\u1ec7m l\u1eafp r\u00e1p th\u1ef1c t\u1ebf, ch\u1ee9 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o vi\u1ec7c so s\u00e1nh b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">G\u00f3c nh\u00ecn HakTak: L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u tr\u00e1m khe h\u1edf ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i <a href=\"https:\/\/haktak.com\/vi\/\">HakTak<\/a>, ch\u00fang t\u00f4i coi keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo (thermal putty) v\u00e0 mi\u1ebfng t\u1ea3n nhi\u1ec7t (thermal pads) l\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p b\u1ed5 sung cho nhau h\u01a1n l\u00e0 s\u1ef1 thay th\u1ebf tr\u1ef1c ti\u1ebfp. M\u1ed7i v\u1eadt li\u1ec7u \u0111\u1ec1u c\u00f3 vai tr\u00f2 ri\u00eang trong vi\u1ec7c qu\u1ea3n l\u00fd nhi\u1ec7t \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c khe h\u1edf kh\u00f4ng \u0111\u1ec1u, chi\u1ec1u cao linh ki\u1ec7n bi\u1ebfn \u0111\u1ed5i v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t ph\u1ee9c t\u1ea1p, keo t\u1ea3n nhi\u1ec7t c\u00f3 th\u1ec3 mang l\u1ea1i \u0111\u1ed9 th\u00edch \u1ee9ng tuy\u1ec7t v\u1eddi v\u00e0 gi\u1ea3m \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac. \u0110\u1ed1i v\u1edbi c\u00e1c c\u1ee5m l\u1eafp r\u00e1p ph\u1eb3ng, c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u00e0 c\u00f3 ki\u1ec3m so\u00e1t, c\u00e1c mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t mang l\u1ea1i kh\u1ea3 n\u0103ng x\u1eed l\u00fd s\u1ea1ch s\u1ebd, \u0111\u1ed9 d\u00e0y \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o to\u00e0n b\u1ed9 m\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng, bao g\u1ed3m k\u00edch th\u01b0\u1edbc khe h\u1edf, \u00e1p su\u1ea5t, t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t, ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9, nhu c\u1ea7u c\u00e1ch \u0111i\u1ec7n, \u0111\u1ed9 rung, y\u00eau c\u1ea7u gia c\u00f4ng l\u1ea1i v\u00e0 ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t t\u00f9y ch\u1ec9nh, th\u00f4ng tin quan tr\u1ecdng th\u01b0\u1eddng bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K\u00edch th\u01b0\u1edbc khe h\u1edf v\u00e0 ph\u1ea1m vi dung sai<\/li>\n\n\n\n<li>Lo\u1ea1i ngu\u1ed3n nhi\u1ec7t v\u00e0 m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac<\/li>\n\n\n\n<li>\u0110\u1ed9 d\u1eabn nhi\u1ec7t y\u00eau c\u1ea7u<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u c\u00e1ch \u0111i\u1ec7n \u0111i\u1ec7n<\/li>\n\n\n\n<li>D\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/li>\n\n\n\n<li>Gi\u1edbi h\u1ea1n l\u1ef1c n\u00e9n<\/li>\n\n\n\n<li>Ph\u01b0\u01a1ng ph\u00e1p l\u1eafp r\u00e1p<\/li>\n\n\n\n<li>Th\u1eddi gian s\u1eed d\u1ee5ng d\u1ef1 ki\u1ebfn c\u1ee7a s\u1ea3n ph\u1ea9m<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi nh\u1eefng chi ti\u1ebft n\u00e0y, nh\u00e0 cung c\u1ea5p v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t gi\u1ea3i ph\u00e1p ch\u00ednh x\u00e1c h\u01a1n thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t con s\u1ed1 d\u1eabn nhi\u1ec7t chung chung.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo (thermal putty) v\u00e0 mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pad) \u0111\u1ec1u l\u00e0 nh\u1eefng v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3, nh\u01b0ng ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c lo\u1ea1i kho\u1ea3ng tr\u1ed1ng kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o (thermal putty) t\u1ed1t nh\u1ea5t cho c\u00e1c kho\u1ea3ng tr\u1ed1ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, b\u1ea5t quy t\u1eafc ho\u1eb7c kh\u00f3 ki\u1ec3m so\u00e1t. N\u00f3 d\u1ec5 d\u00e0ng \u00f4m kh\u00edt, gi\u1ea3m c\u00e1c t\u00fai kh\u00ed v\u00e0 gi\u00fap duy tr\u00ec ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c linh ki\u1ec7n c\u00f3 chi\u1ec1u cao kh\u00e1c nhau. Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pads) t\u1ed1t nh\u1ea5t cho c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tr\u01b0\u1edbc, ph\u1eb3ng v\u00e0 l\u1eb7p l\u1ea1i \u0111\u01b0\u1ee3c, n\u01a1i vi\u1ec7c thao t\u00e1c s\u1ea1ch s\u1ebd v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u00e0y l\u00e0 quan tr\u1ecdng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c khe h\u1edf kh\u00f4ng \u0111\u1ec1u, keo t\u1ea3n nhi\u1ec7t th\u01b0\u1eddng l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u an to\u00e0n h\u01a1n. \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u1edbi dung sai \u1ed5n \u0111\u1ecbnh, \u0111\u1ec7m t\u1ea3n nhi\u1ec7t c\u00f3 th\u1ec3 mang l\u1ea1i \u0111\u1ed9 \u0111\u1ed3ng 1 \u0111\u1ec1u h\u01a1n v\u00e0 d\u1ec5 l\u1eafp r\u00e1p h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quy\u1ebft \u0111\u1ecbnh t\u1ed1t nh\u1ea5t n\u00ean d\u1ef1a tr\u00ean c\u00e1c \u0111i\u1ec1u ki\u1ec7n giao di\u1ec7n th\u1ef1c t\u1ebf, kh\u00f4ng ch\u1ec9 c\u00e1c gi\u00e1 tr\u1ecb trong b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. B\u1eb1ng c\u00e1ch xem x\u00e9t s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a khe h\u1edf, \u0111\u1ed9 n\u00e9n, \u0111i\u1ec7n tr\u1edf nhi\u1ec7t, vi\u1ec7c gia c\u00f4ng l\u1ea1i, \u0111\u1ed9 rung v\u00e0 c\u00e1c y\u00eau c\u1ea7u s\u1ea3n xu\u1ea5t, c\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 ch\u1ecdn v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t mang l\u1ea1i kh\u1ea3 n\u0103ng l\u00e0m m\u00e1t \u0111\u00e1ng tin c\u1eady trong to\u00e0n b\u1ed9 v\u00f2ng \u0111\u1eddi s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n c\u00f3 t\u1ed1t h\u01a1n mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t t\u1ed1t h\u01a1n cho c\u00e1c kho\u1ea3ng tr\u1ed1ng kh\u00f4ng \u0111\u1ec1u v\u00e0 b\u1ec1 m\u1eb7t kh\u00f4ng ph\u1eb3ng v\u00ec n\u00f3 d\u1ec5 th\u00edch \u1ee9ng h\u01a1n. Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t t\u1ed1t h\u01a1n cho vi\u1ec7c l\u1eafp r\u00e1p s\u1ea1ch s\u1ebd, c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i khi kho\u1ea3ng tr\u1ed1ng \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo c\u00f3 th\u1ec3 thay th\u1ebf mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o c\u00f3 th\u1ec3 thay th\u1ebf c\u00e1c mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf nh\u1eefng n\u01a1i khe h\u1edf kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u ho\u1eb7c chi\u1ec1u cao c\u00e1c linh ki\u1ec7n kh\u00e1c nhau. Tuy nhi\u00ean, mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t v\u1eabn c\u00f3 th\u1ec3 t\u1ed1t h\u01a1n khi c\u1ea7n \u0111\u1ed9 d\u00e0y c\u1ed1 \u0111\u1ecbnh, h\u00ecnh d\u1ea1ng \u0111\u01b0\u1ee3c c\u1eaft s\u1eb5n v\u00e0 thao t\u00e1c s\u1ea1ch s\u1ebd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mi\u1ebfng t\u1ea3n nhi\u1ec7t (thermal pad) c\u00f3 d\u1ec5 l\u1eafp \u0111\u1eb7t h\u01a1n keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n (thermal putty) kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e2ng. Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t th\u01b0\u1eddng d\u1ec5 l\u1eafp \u0111\u1eb7t h\u01a1n v\u00ec ch\u00fang l\u00e0 c\u00e1c t\u1ea5m \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh s\u1eb5n. Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi s\u1ef1 ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n v\u1ec1 l\u01b0\u1ee3ng b\u00f4i v\u00e0 v\u1ecb tr\u00ed \u0111\u1eb7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo (thermal putty) hay mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pads) c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t t\u1ed1t h\u01a1n?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 hai v\u1eadt li\u1ec7u \u0111\u1ec1u c\u00f3 c\u00e1c m\u1ee9c \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n kh\u00e1c nhau. Tuy nhi\u00ean, hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng ti\u1ebfp x\u00fac, \u0111\u1ed9 n\u00e9n, \u0111\u1ed9 d\u00e0y \u0111\u01b0\u1eddng d\u00e1n v\u00e0 \u0111i\u1ec7n tr\u1edf nhi\u1ec7t, ch\u1ee9 kh\u00f4ng ch\u1ec9 ri\u00eang W\/m\u00b7K.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ea5t li\u1ec7u t\u1ed1t nh\u1ea5t cho c\u00e1c khe h\u1edf kh\u00f4ng \u0111\u1ec1u l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho c\u00e1c kho\u1ea3ng tr\u1ed1ng kh\u00f4ng \u0111\u1ec1u v\u00ec n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng bi\u1ebfn d\u1ea1ng v\u00e0 l\u1ea5p \u0111\u1ea7y c\u00e1c kh\u00f4ng gian kh\u00f4ng \u0111\u1ec1u hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbi mi\u1ebfng \u0111\u1ec7m c\u00f3 \u0111\u1ed9 d\u00e0y c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mi\u1ebfng t\u1ea3n nhi\u1ec7t (thermal pad) c\u00f3 c\u1ea7n l\u1ef1c n\u00e9n kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e2ng. Mi\u1ebfng t\u1ea3n nhi\u1ec7t th\u01b0\u1eddng c\u1ea7n c\u00f3 l\u1ef1c \u00e9p \u0111\u1ec3 ti\u1ebfp x\u00fac t\u1ed1t v\u00e0 gi\u1ea3m \u0111i\u1ec7n tr\u1edf nhi\u1ec7t. Kho\u1ea3ng l\u1ef1c \u00e9p ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 d\u00e0y c\u1ee7a mi\u1ebfng t\u1ea3n nhi\u1ec7t v\u00e0 thi\u1ebft k\u1ebf c\u1ee7a \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n (thermal putty) c\u00f3 t\u00e1i s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 lo\u1ea1i keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng, nh\u01b0ng vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng ph\u1ee5 thu\u1ed9c v\u00e0o t\u00ecnh tr\u1ea1ng v\u1eadt li\u1ec7u, \u0111\u1ed9 b\u1ea9n v\u00e0 y\u00eau c\u1ea7u c\u1ee7a \u1ee9ng d\u1ee5ng. \u0110\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 \u0111\u00e1ng tin c\u1eady, vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u m\u1edbi th\u01b0\u1eddng \u0111\u01b0\u1ee3c khuy\u00ean d\u00f9ng sau khi l\u00e0m l\u1ea1i l\u1edbn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn gi\u1eefa keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n (thermal putty) v\u00e0 mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pad)?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a khe h\u1edf, \u0111\u1ed9 bi\u1ebfn thi\u00ean chi\u1ec1u cao linh ki\u1ec7n, l\u1ef1c n\u00e9n, quy tr\u00ecnh l\u1eafp r\u00e1p, nhu c\u1ea7u t\u00e1i gia c\u00f4ng v\u00e0 m\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh. \u0110\u1ed1i v\u1edbi c\u00e1c khe h\u1edf kh\u00f4ng \u0111\u1ec1u, h\u00e3y ch\u1ecdn keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o (thermal putty). \u0110\u1ed1i v\u1edbi c\u00e1c khe h\u1edf \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, h\u00e3y ch\u1ecdn mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pad).<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Thermal putty is usually better for uneven gaps, irregular component heights, and complex assemblies because it conforms easily to different [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":1341,"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 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