{"id":1563,"date":"2026-06-15T08:56:48","date_gmt":"2026-06-15T08:56:48","guid":{"rendered":"https:\/\/haktak.com\/?p=1563"},"modified":"2026-06-15T08:56:50","modified_gmt":"2026-06-15T08:56:50","slug":"common-tim-testing-standards-engineers-should-know","status":"publish","type":"post","link":"https:\/\/haktak.com\/vi\/common-tim-testing-standards-engineers-should-know\/","title":{"rendered":"C\u00e1c ti\u00eau chu\u1ea9n ki\u1ec3m tra TIM ph\u1ed5 bi\u1ebfn m\u00e0 k\u1ef9 s\u01b0 n\u00ean bi\u1ebft"},"content":{"rendered":"<div class=\"product\"><div class=\"product\">\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ki\u1ec3m tra TIM quan tr\u1ecdng nh\u1ea5t m\u00e0 c\u00e1c k\u1ef9 s\u01b0 c\u1ea7n bi\u1ebft l\u00e0 <strong>ASTM D5470<\/strong>, v\u00ec n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o tr\u1edf kh\u00e1ng nhi\u1ec7t v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t bi\u1ec3u ki\u1ebfn c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n c\u00f3 d\u1eabn nhi\u1ec7t, bao g\u1ed3m m\u1ee1, nh\u00e3o, v\u1eadt li\u1ec7u chuy\u1ec3n pha, gel, cao su v\u00e0 ch\u1ea5t r\u1eafn c\u1ee9ng. \u0110\u1ed1i v\u1edbi vi\u1ec7c ki\u1ec3m tra t\u00ednh ch\u1ea5t nhi\u1ec7t r\u1ed9ng h\u01a1n, c\u00e1c k\u1ef9 s\u01b0 c\u0169ng n\u00ean hi\u1ec3u <strong>ISO 22007-2<\/strong> \u0111\u1ed1i v\u1edbi th\u1eed nghi\u1ec7m ngu\u1ed3n nhi\u1ec7t ph\u1eb3ng t\u1ea1m th\u1eddi, <strong>ASTM E1461<\/strong> \u0111\u1ed1i v\u1edbi ph\u01b0\u01a1ng ph\u00e1p khu\u1ebfch t\u00e1n nhi\u1ec7t ch\u1edbp la-de, <strong>ASTM C177<\/strong> \u0111\u1ed1i v\u1edbi th\u1eed nghi\u1ec7m t\u1ea5m n\u00f3ng c\u00f3 b\u1ea3o v\u1ec7, v\u00e0 <strong>ASTM C518<\/strong> \u0111\u1ec3 th\u1eed nghi\u1ec7m thi\u1ebft b\u1ecb \u0111o d\u00f2ng nhi\u1ec7t.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"911\" height=\"600\" src=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/02\/image-16.png\" alt=\"cac-tieu-chuan-thu-nghiem-tim-pho-bien-ma-ky-su-can-biet\" class=\"wp-image-1355\" srcset=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/02\/image-16.png 911w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/02\/image-16-300x198.png 300w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/02\/image-16-768x506.png 768w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/02\/image-16-600x395.png 600w\" sizes=\"(max-width: 911px) 100vw, 911px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, kh\u00f4ng c\u00f3 ti\u00eau chu\u1ea9n duy nh\u1ea5t n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra ph\u00f9 h\u1ee3p v\u1edbi mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t ph\u1eb3ng c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3n \u00e1nh \u0111\u00fang keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o trong m\u1ed9t khe h\u1edf kh\u00f4ng \u0111\u1ec1u. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi h\u1ee3p ch\u1ea5t \u0111\u00f3ng r\u1eafn c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3n \u00e1nh \u0111\u00fang m\u1ed9t l\u1edbp m\u1ee1 t\u1ea3n nhi\u1ec7t m\u1ecfng gi\u1eefa m\u1ed9t con chip v\u00e0 b\u1ed9 t\u1ea3n nhi\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong vi\u1ec7c l\u1ef1a ch\u1ecdn TIM, \u0111i\u1ec1u quan tr\u1ecdng kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 \u0111\u1eb7t c\u00e2u h\u1ecfi: \u201cGi\u00e1 tr\u1ecb W\/mK l\u00e0 bao nhi\u00eau?\u201d C\u00e2u h\u1ecfi hay h\u01a1n l\u00e0: <strong>Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra n\u00e0o th\u1ec3 hi\u1ec7n t\u1ed1t nh\u1ea5t d\u1ea1ng v\u1eadt li\u1ec7u, \u00e1p su\u1ea5t, \u0111\u1ed9 d\u00e0y, b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u00e0 \u1ee9ng d\u1ee5ng cu\u1ed1i c\u00f9ng?<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao c\u00e1c ti\u00eau chu\u1ea9n ki\u1ec3m tra TIM l\u1ea1i quan tr\u1ecdng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 TIM, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng gi\u1eefa c\u00e1c linh ki\u1ec7n sinh nhi\u1ec7t v\u00e0 b\u1ec1 m\u1eb7t l\u00e0m m\u00e1t. Ch\u00fang l\u1ea5p \u0111\u1ea7y c\u00e1c khe h\u1edf kh\u00f4ng kh\u00ed c\u1ef1c nh\u1ecf v\u00e0 c\u1ea3i thi\u1ec7n vi\u1ec7c truy\u1ec1n nhi\u1ec7t t\u1eeb c\u00e1c con chip, m\u00f4-\u0111un ngu\u1ed3n, \u0111\u00e8n LED, pin, thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng ho\u1eb7c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f4ng nghi\u1ec7p v\u00e0o c\u00e1c b\u1ed9 t\u1ea3n nhi\u1ec7t, v\u1ecf m\u00e1y, khung m\u00e1y ho\u1eb7c t\u1ea5m l\u00e0m m\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TIM bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Keo t\u1ea3n nhi\u1ec7t<\/li>\n\n\n\n<li>Keo t\u1ea3n nhi\u1ec7t<\/li>\n\n\n\n<li>Mi\u1ebfng t\u1ea3n nhi\u1ec7t<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u chuy\u1ec3n pha<\/li>\n\n\n\n<li>Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo<\/li>\n\n\n\n<li>T\u1eeb l\u1ea5p \u0111\u1ea7y kho\u1ea3ng tr\u1ed1ng<\/li>\n\n\n\n<li>Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng gel<\/li>\n\n\n\n<li>Keo d\u1eabn nhi\u1ec7t<\/li>\n\n\n\n<li>H\u1ee3p ch\u1ea5t \u0111\u1ed5 khu\u00f4n d\u1eabn nhi\u1ec7t<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m r\u1ea5t quan tr\u1ecdng v\u00ec hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t (TIM) ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m. C\u00f9ng m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 cho ra c\u00e1c k\u1ebft qu\u1ea3 kh\u00e1c nhau d\u01b0\u1edbi c\u00e1c m\u1ee9c \u00e1p su\u1ea5t, \u0111\u1ed9 d\u00e0y, nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t ho\u1eb7c c\u00e1ch chu\u1ea9n b\u1ecb m\u1eabu kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m r\u00f5 r\u00e0ng, vi\u1ec7c so s\u00e1nh c\u00e1c gi\u00e1 tr\u1ecb trong b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n. M\u1ed9t nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 c\u00f4ng b\u1ed1 h\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t th\u1ec3 t\u00edch. M\u1ed9t nh\u00e0 cung c\u1ea5p kh\u00e1c c\u00f3 th\u1ec3 c\u00f4ng b\u1ed1 h\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t bi\u1ec3u ki\u1ebfn. M\u1ed9t nh\u00e0 cung c\u1ea5p kh\u00e1c n\u1eefa c\u00f3 th\u1ec3 c\u00f4ng b\u1ed1 \u0111i\u1ec7n tr\u1edf nhi\u1ec7t \u1edf m\u1ed9t \u00e1p su\u1ea5t c\u1ee5 th\u1ec3. C\u00e1c con s\u1ed1 n\u00e0y c\u00f3 m\u1ed1i li\u00ean h\u1ec7 v\u1edbi nhau, nh\u01b0ng kh\u00f4ng th\u1ec3 thay th\u1ebf l\u1eabn nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi quy tr\u00ecnh ki\u1ec3m th\u1eed chung, HakTak c\u00f3 m\u1ed9t h\u01b0\u1edbng d\u1eabn li\u00ean quan: <a href=\"https:\/\/haktak.com\/vi\/how-to-test-thermal-conductivity-of-thermal-interface-materials\/\">C\u00e1ch ki\u1ec3m tra \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i: \u0110\u1ed9 d\u1eabn \u0111i\u1ec7n, \u0110i\u1ec7n tr\u1edf v\u00e0 Tr\u1edf kh\u00e1ng<\/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=\"S\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i: \u0110\u1ed9 d\u1eabn \u0111i\u1ec7n, \u0110i\u1ec7n tr\u1edf v\u00e0 Tr\u1edf kh\u00e1ng\" 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\">Tr\u01b0\u1edbc khi th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c ti\u00eau chu\u1ea9n, c\u00e1c k\u1ef9 s\u01b0 n\u00ean ph\u00e2n bi\u1ec7t ba thu\u1eadt ng\u1eef ph\u1ed5 bi\u1ebfn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/strong> m\u00f4 t\u1ea3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t c\u1ee7a m\u1ed9t v\u1eadt li\u1ec7u. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb W\/mK.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110i\u1ec7n tr\u1edf nhi\u1ec7t<\/strong> m\u00f4 t\u1ea3 m\u1ee9c \u0111\u1ed9 c\u1ea3n tr\u1edf d\u00f2ng nhi\u1ec7t c\u1ee7a m\u1ed9t \u0111\u01b0\u1eddng truy\u1ec1n nhi\u1ec7t. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng K\/W ho\u1eb7c \u00b0C\/W.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tr\u1edf kh\u00e1ng nhi\u1ec7t<\/strong> th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t (TIM) \u0111\u1ec3 m\u00f4 t\u1ea3 kh\u1ea3 n\u0103ng c\u1ea3n tr\u1edf d\u00f2ng nhi\u1ec7t c\u1ee7a giao di\u1ec7n trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n di\u1ec7n t\u00edch, \u0111\u1ed9 d\u00e0y v\u00e0 \u00e1p su\u1ea5t nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u1ed3ng ngh\u0129a v\u1edbi hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t t\u1ed1t h\u01a1n. V\u1eadt li\u1ec7u c\u00f3 ch\u1ec9 s\u1ed1 W\/mK cao c\u00f3 th\u1ec3 k\u00e9m hi\u1ec7u qu\u1ea3 n\u1ebfu qu\u00e1 d\u00e0y, qu\u00e1 c\u1ee9ng, n\u00e9n k\u00e9m ho\u1eb7c kh\u00f4ng th\u1ec3 l\u00e0m \u01b0\u1edbt c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 c\u00f3 th\u00eam ng\u1eef c\u1ea3nh, h\u00e3y xem b\u00e0i vi\u1ebft c\u1ee7a HakTak: <a href=\"https:\/\/haktak.com\/vi\/why-high-wmk-does-not-always-mean-better-cooling-performance\/\">T\u1ea1i sao gi\u00e1 tr\u1ecb W\/mK cao kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u1ed3ng ngh\u0129a v\u1edbi hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t t\u1ed1t h\u01a1n<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D5470: Ti\u00eau chu\u1ea9n TIM quan tr\u1ecdng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 l\u00e0m vi\u1ec7c v\u1edbi v\u1eadt li\u1ec7u qu\u1ea3n l\u00fd nhi\u1ec7t (TIM), ASTM D5470 th\u01b0\u1eddng l\u00e0 ti\u00eau chu\u1ea9n \u0111\u1ea7u ti\u00ean c\u1ea7n t\u00ecm hi\u1ec3u. ASTM m\u00f4 t\u1ea3 D5470 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m c\u00e1c t\u00ednh ch\u1ea5t truy\u1ec1n nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n d\u1eabn nhi\u1ec7t. Ti\u00eau chu\u1ea9n n\u00e0y h\u1eefu \u00edch \u0111\u1ec3 \u0111o t\u1ed5ng tr\u1edf nhi\u1ec7t \u1edf tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh v\u00e0 t\u00ednh to\u00e1n \u0111\u1ed9 d\u1eabn nhi\u1ec7t bi\u1ec3u ki\u1ebfn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1eb7c bi\u1ec7t li\u00ean quan \u0111\u1ebfn qu\u1ea3n l\u00fd nhi\u1ec7t \u0111i\u1ec7n t\u1eed v\u00ec n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho nhi\u1ec1u d\u1ea1ng v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t (TIM), bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1ee1 b\u00f4i tr\u01a1n<\/li>\n\n\n\n<li>H\u1ed7n h\u1ee3p s\u1ec7t<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u chuy\u1ec3n pha<\/li>\n\n\n\n<li>Gel<\/li>\n\n\n\n<li>Cao su m\u1ec1m<\/li>\n\n\n\n<li>Cao su c\u1ee9ng<\/li>\n\n\n\n<li>\u0110\u1ed3 g\u1ed1m<\/li>\n\n\n\n<li>Kim lo\u1ea1i<\/li>\n\n\n\n<li>M\u1ed9t s\u1ed1 lo\u1ea1i nh\u1ef1a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n D5470 c\u1ee7a ASTM ghi ch\u00fa r\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m vi\u1ec7c \u0111o tr\u1edf kh\u00e1ng nhi\u1ec7t v\u00e0 t\u00ednh to\u00e1n \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n bi\u1ec3u ki\u1ebfn \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u dao \u0111\u1ed9ng t\u1eeb h\u1ee3p ch\u1ea5t d\u1ea1ng l\u1ecfng \u0111\u1ebfn ch\u1ea5t r\u1eafn c\u1ee9ng. N\u00f3 c\u0169ng nh\u1ea5n m\u1ea1nh r\u1eb1ng k\u1ebft qu\u1ea3 \u0111o \u0111\u01b0\u1ee3c xu\u1ea5t ph\u00e1t t\u1eeb m\u00f4 h\u00ecnh d\u00f2ng nhi\u1ec7t l\u00fd t\u01b0\u1edfng, v\u00ec v\u1eady c\u00e1c k\u1ef9 s\u01b0 n\u00ean th\u1eadn tr\u1ecdng khi \u00e1p d\u1ee5ng k\u1ebft qu\u1ea3 v\u00e0o c\u00e1c c\u1ee5m l\u1eafp r\u00e1p th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3nh b\u00e1o n\u00e0y r\u1ea5t quan tr\u1ecdng. ASTM D5470 c\u1ef1c k\u1ef3 h\u1eefu \u00edch, nh\u01b0ng n\u00f3 v\u1eabn l\u00e0 m\u1ed9t th\u1eed nghi\u1ec7m c\u00f3 ki\u1ec3m so\u00e1t. N\u00f3 kh\u00f4ng th\u1ec3 t\u1ef1 \u0111\u1ed9ng \u0111\u1ea1i di\u1ec7n cho m\u1ecdi h\u00ecnh h\u1ecdc s\u1ea3n ph\u1ea9m th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng ASTM D5470 khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea1n c\u1ea7n m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p tr\u1ea1ng th\u00e1i d\u1eebng t\u1eadp trung v\u00e0o TIM<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng gi\u1eefa hai b\u1ec1 m\u1eb7t<\/li>\n\n\n\n<li>Ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t v\u00e0 \u0111\u1ed9 d\u00e0y r\u1ea5t quan tr\u1ecdng<\/li>\n\n\n\n<li>B\u1ea1n c\u1ea7n d\u1eef li\u1ec7u tr\u1edf kh\u00e1ng nhi\u1ec7t<\/li>\n\n\n\n<li>B\u1ea1n mu\u1ed1n so s\u00e1nh m\u1ee1 t\u1ea3n nhi\u1ec7t, mi\u1ebfng \u0111\u1ec7m, gel ho\u1eb7c v\u1eadt li\u1ec7u chuy\u1ec3n pha trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n x\u00e1c \u0111\u1ecbnh<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y c\u1ea9n th\u1eadn khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kho\u1ea3ng c\u00e1ch th\u1ef1c s\u1ef1 l\u00e0 kh\u00f4ng \u0111\u1ec1u<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u c\u00f3 t\u00ednh n\u00e9n r\u1ea5t cao<\/li>\n\n\n\n<li>C\u1ee5m l\u1eafp r\u00e1p c\u00f3 \u00e1p su\u1ea5t h\u1ea1n ch\u1ebf<\/li>\n\n\n\n<li>\u0110\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t kh\u00e1c v\u1edbi \u0111\u1ed3 g\u00e1 th\u1eed nghi\u1ec7m<\/li>\n\n\n\n<li>S\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng c\u00f3 kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t ph\u1ee9c t\u1ea1p<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ri\u00eang \u0111\u1ed1i v\u1edbi keo t\u1ea3n nhi\u1ec7t, h\u01b0\u1edbng d\u1eabn c\u1ee7a HakTak <a href=\"https:\/\/haktak.com\/vi\/how-to-choose-and-test-thermal-grease-conductivity\/\">C\u00e1ch l\u1ef1a ch\u1ecdn v\u00e0 ki\u1ec3m tra \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a keo t\u1ea3n nhi\u1ec7t<\/a> gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao c\u1ea3 \u0111i\u1ec1u ki\u1ec7n ki\u1ec3m th\u1eed v\u00e0 h\u00e0nh vi \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf \u0111\u1ec1u quan tr\u1ecdng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ISO 22007-2: Ph\u01b0\u01a1ng ph\u00e1p ngu\u1ed3n nhi\u1ec7t m\u1eb7t ph\u1eb3ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1002\" height=\"646\" src=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-13.png\" alt=\"ISO 22007-2: Ph\u01b0\u01a1ng ph\u00e1p ngu\u1ed3n nhi\u1ec7t m\u1eb7t ph\u1eb3ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh\" class=\"wp-image-1446\" srcset=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-13.png 1002w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-13-300x193.png 300w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-13-768x495.png 768w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-13-18x12.png 18w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-13-600x387.png 600w\" sizes=\"(max-width: 1002px) 100vw, 1002px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">ISO 22007-2 l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n quan tr\u1ecdng kh\u00e1c d\u00e0nh cho vi\u1ec7c \u0111o l\u01b0\u1eddng t\u00ednh ch\u1ea5t nhi\u1ec7t. Phi\u00ean b\u1ea3n hi\u1ec7n h\u00e0nh n\u0103m 2022 bao g\u1ed3m ph\u01b0\u01a1ng ph\u00e1p ngu\u1ed3n nhi\u1ec7t m\u1eb7t ph\u1eb3ng transient, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u0129a n\u00f3ng, \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u1eabn nhi\u1ec7t v\u00e0 \u0111\u1ed9 khu\u1ebfch t\u00e1n nhi\u1ec7t c\u1ee7a ch\u1ea5t d\u1ebbo. B\u1ea3n t\u00f3m t\u1eaft c\u1ee7a ISO l\u01b0u \u00fd r\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c k\u00edch th\u01b0\u1edbc m\u1eabu kh\u00e1c nhau v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean m\u1ed9t d\u1ea3i nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y h\u1eefu \u00edch khi c\u00e1c k\u1ef9 s\u01b0 c\u1ea7n d\u1eef li\u1ec7u v\u1ec1 \u0111\u1ed9 d\u1eabn nhi\u1ec7t v\u00e0 \u0111\u1ed9 khu\u1ebfch t\u00e1n nhi\u1ec7t cho c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 polyme, nh\u1ef1a c\u00f3 ch\u1ea5t \u0111\u1ed9n, h\u1ee3p ch\u1ea5t \u0111\u00e3 \u0111\u00f3ng r\u1eafn v\u00e0 m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u \u0111\u1ed3ng nh\u1ea5t nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 TIM, ti\u00eau chu\u1ea9n ISO 22007-2 r\u1ea5t \u0111\u00e1ng \u0111\u1ec3 t\u00ecm hi\u1ec3u v\u00ec nhi\u1ec1u v\u1eadt li\u1ec7u TIM c\u00f3 g\u1ed1c polymer v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1ed9n h\u1ea1t. Tuy nhi\u00ean, ti\u00eau chu\u1ea9n n\u00e0y kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c xem l\u00e0 gi\u1ea3i ph\u00e1p thay th\u1ebf ho\u00e0n to\u00e0n cho vi\u1ec7c ki\u1ec3m tra b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n ISO 22007-2 khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea1n c\u1ea7n \u0111o l\u01b0\u1eddng t\u00ednh ch\u1ea5t nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t th\u1eddi<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u n\u00e0y c\u01b0 x\u1eed gi\u1ed1ng nh\u01b0 m\u1ed9t m\u1eabu kh\u1ed1i<\/li>\n\n\n\n<li>B\u1ea1n \u0111ang \u0111\u00e1nh gi\u00e1 c\u00e1c v\u1eadt li\u1ec7u g\u1ed1c polyme<\/li>\n\n\n\n<li>\u0110\u1ed9 khu\u1ebfch t\u00e1n nhi\u1ec7t c\u0169ng r\u1ea5t h\u1eefu \u00edch<\/li>\n\n\n\n<li>B\u1ea1n c\u1ea7n d\u1eef li\u1ec7u \u1edf c\u00e1c nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y c\u1ea9n th\u1eadn khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>TIM l\u00e0 m\u1ed9t l\u1edbp giao di\u1ec7n r\u1ea5t m\u1ecfng<\/li>\n\n\n\n<li>\u0110i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac chi ph\u1ed1i hi\u1ec7u su\u1ea5t<\/li>\n\n\n\n<li>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o \u00e1p su\u1ea5t<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u c\u00f3 t\u00ednh kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t cao<\/li>\n\n\n\n<li>M\u1eabu kh\u00f4ng kh\u1edbp v\u1edbi c\u00e1c gi\u1ea3 \u0111\u1ecbnh c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t (TIM), d\u1eef li\u1ec7u theo ti\u00eau chu\u1ea9n ISO 22007-2 c\u00f3 th\u1ec3 h\u1eefu \u00edch cho vi\u1ec7c s\u00e0ng l\u1ecdc v\u1eadt li\u1ec7u, nh\u01b0ng c\u00e1c k\u1ef9 s\u01b0 v\u1eabn n\u00ean x\u00e1c th\u1ef1c \u0111i\u1ec7n tr\u1edf nhi\u1ec7t ho\u1eb7c t\u1ed5ng tr\u1edf nhi\u1ec7t d\u01b0\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM E1461: Ph\u01b0\u01a1ng ph\u00e1p \u0111o \u0111\u1ed9 khu\u1ebfch t\u00e1n nhi\u1ec7t b\u1eb1ng \u0111\u00e8n ch\u1edbp la-de<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM E1461 th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn ph\u01b0\u01a1ng ph\u00e1p ch\u1edbp la-de \u0111\u1ec3 \u0111o \u0111\u1ed9 khu\u1ebfch t\u00e1n nhi\u1ec7t. Trong th\u1eed nghi\u1ec7m ch\u1edbp la-de, m\u1ed9t xung n\u0103ng l\u01b0\u1ee3ng ng\u1eafn l\u00e0m n\u00f3ng m\u1ed9t m\u1eb7t c\u1ee7a m\u1eabu, v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean \u1edf m\u1eb7t \u0111\u1ed1i di\u1ec7n \u0111\u01b0\u1ee3c \u0111o \u0111\u1ea1c. \u0110\u1ed9 khu\u1ebfch t\u00e1n nhi\u1ec7t sau \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n, v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c suy ra khi bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang v\u00e0 nhi\u1ec7t dung ri\u00eang.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y h\u1eefu \u00edch cho c\u00e1c v\u1eadt li\u1ec7u r\u1eafn v\u00e0 m\u1eabu \u0111\u00e3 \u0111\u00f3ng r\u1eafn, \u0111\u1eb7c bi\u1ec7t khi \u0111o tr\u00ean m\u1ed9t d\u1ea3i nhi\u1ec7t \u0111\u1ed9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng TIM, ti\u00eau chu\u1ea9n ASTM E1461 li\u00ean quan nhi\u1ec1u h\u01a1n \u0111\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u1ee3p ch\u1ea5t \u0111\u1ed5 khu\u00f4n \u0111\u00e3 \u0111\u00f3ng r\u1eafn<\/li>\n\n\n\n<li>Compozit polyme \u0111\u1eb7c<\/li>\n\n\n\n<li>\u0110\u1ed3 g\u1ed1m<\/li>\n\n\n\n<li>Kim lo\u1ea1i<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t c\u1ee9ng<\/li>\n\n\n\n<li>Ch\u1ea5t \u0111\u00e0n h\u1ed3i c\u00f3 \u0111\u1ed9n sau khi l\u01b0u h\u00f3a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3 \u00edt mang t\u00ednh \u0111\u1ea1i di\u1ec7n tr\u1ef1c ti\u1ebfp h\u01a1n \u0111\u1ed1i v\u1edbi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c l\u1edbp m\u1ee1 m\u1ecfng<\/li>\n\n\n\n<li>Vi\u00ean nang m\u1ec1m ch\u1ecbu n\u00e9n<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u chuy\u1ec3n pha trong qu\u00e1 tr\u00ecnh k\u00edch ho\u1ea1t<\/li>\n\n\n\n<li>Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng \u0111\u1ea5t n\u1eb7n d\u00f9ng cho c\u00e1c khe h\u1edf kh\u00f4ng \u0111\u1ec1u<\/li>\n\n\n\n<li>C\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac m\u00e0 \u1edf \u0111\u00f3 \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac chi\u1ebfm \u01b0u th\u1ebf<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1eef li\u1ec7u ch\u1edbp laser c\u00f3 th\u1ec3 c\u00f3 gi\u00e1 tr\u1ecb, nh\u01b0ng n\u00f3 th\u01b0\u1eddng m\u00f4 t\u1ea3 h\u00e0nh vi c\u1ee7a v\u1eadt li\u1ec7u kh\u1ed1i thay v\u00ec h\u00e0nh vi c\u1ee7a m\u1eb7t ph\u00e2n c\u00e1ch. \u0110\u1ed1i v\u1edbi m\u1ed9t v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t (TIM) gi\u1eefa m\u1ed9t con chip v\u00e0 m\u1ed9t b\u1ed9 t\u1ea3n nhi\u1ec7t, \u0111i\u1ec7n tr\u1edf m\u1eb7t ph\u00e2n c\u00e1ch c\u00f3 th\u1ec3 quan tr\u1ecdng h\u01a1n \u0111\u1ed9 khu\u1ebfch t\u00e1n kh\u1ed1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HakTak's <a href=\"https:\/\/haktak.com\/vi\/thermally-conductive-potting-compound-guide\/\">H\u01b0\u1edbng d\u1eabn v\u1ec1 H\u1ee3p ch\u1ea5t \u0111\u1ed5 khu\u00f4n d\u1eabn nhi\u1ec7t trong \u0111i\u1ec7n t\u1eed<\/a> l\u00e0 m\u1ed9t t\u00e0i li\u1ec7u tham kh\u1ea3o n\u1ed9i b\u1ed9 h\u1eefu \u00edch khi c\u00e1c k\u1ef9 s\u01b0 \u0111ang \u0111\u00e1nh gi\u00e1 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i \u0111\u00e3 \u0111\u00f3ng r\u1eafn thay v\u00ec c\u00e1c l\u1edbp ti\u1ebfp x\u00fac m\u1ecfng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM C177: T\u1ea5m n\u00f3ng c\u00f3 b\u1ea3o v\u1ec7<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1015\" height=\"669\" src=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-12.png\" alt=\"ASTM C177: T\u1ea5m n\u00f3ng c\u00f3 b\u1ea3o v\u1ec7\" class=\"wp-image-1445\" srcset=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-12.png 1015w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-12-300x198.png 300w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-12-768x506.png 768w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-12-18x12.png 18w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-12-600x395.png 600w\" sizes=\"(max-width: 1015px) 100vw, 1015px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM C177 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ph\u00e9p \u0111o th\u00f4ng l\u01b0\u1ee3ng nhi\u1ec7t tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh b\u1eb1ng thi\u1ebft b\u1ecb t\u1ea5m n\u00f3ng c\u00f3 b\u1ea3o v\u1ec7. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p n\u1ec1n t\u1ea3ng \u0111\u1ec3 \u0111o c\u00e1c \u0111\u1eb7c t\u00ednh truy\u1ec1n nhi\u1ec7t d\u01b0\u1edbi d\u00f2ng nhi\u1ec7t m\u1ed9t chi\u1ec1u \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t, c\u00e1c t\u1ea5m d\u00e0y v\u00e0 c\u00e1c m\u1eabu v\u1eadt l\u1edbn h\u01a1n. N\u00f3 \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng h\u01a1n nh\u01b0 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh cho c\u00e1c l\u1edbp TIM m\u1ecfng, nh\u01b0ng c\u00e1c k\u1ef9 s\u01b0 n\u00ean bi\u1ebft \u0111\u1ebfn n\u00f3 v\u00ec n\u00f3 l\u00e0m n\u1ec1n t\u1ea3ng cho nhi\u1ec1u kh\u00e1i ni\u1ec7m \u0111o nhi\u1ec7t \u0111\u1ed9 tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng ASTM C177 khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea1n \u0111ang ki\u1ec3m tra c\u00e1c m\u1eabu b\u1ea3n s\u00e0n ph\u1eb3ng<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u \u0111\u1ee7 \u0111\u1ed9 d\u00e0y \u0111\u1ec3 \u0111o b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p t\u1ea5m n\u00f3ng c\u00f3 b\u1ea3o v\u1ec7<\/li>\n\n\n\n<li>B\u1ea1n c\u1ea7n m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p tham chi\u1ebfu tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh<\/li>\n\n\n\n<li>M\u1eabu v\u1eadt gi\u1ed1ng v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t ho\u1eb7c v\u1eadt li\u1ec7u kh\u1ed1i h\u01a1n l\u00e0 m\u1ed9t TIM m\u1ecfng<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y c\u1ea9n th\u1eadn khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1eadt li\u1ec7u l\u00e0 m\u1ed9t l\u1edbp nh\u00e3o m\u1ecfng<\/li>\n\n\n\n<li>M\u1eabu kh\u00f4ng th\u1ec3 duy tr\u00ec h\u00ecnh h\u1ecdc \u1ed5n \u0111\u1ecbnh<\/li>\n\n\n\n<li>\u0110i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac chi ph\u1ed1i k\u1ebft qu\u1ea3<\/li>\n\n\n\n<li>\u1ee8ng d\u1ee5ng cu\u1ed1i c\u00f9ng li\u00ean quan \u0111\u1ebfn h\u00e0nh vi nh\u1ea1y \u00e1p l\u1ef1c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t (TIM), ti\u00eau chu\u1ea9n ASTM C177 mang t\u00ednh ch\u1ea5t tham kh\u1ea3o n\u1ec1n t\u1ea3ng h\u01a1n l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u01b0\u1eddng d\u00f9ng. Ti\u00eau chu\u1ea9n n\u00e0y gi\u00fap gi\u1ea3i th\u00edch nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ph\u00e9p th\u1eed truy\u1ec1n nhi\u1ec7t \u1edf tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh, nh\u01b0ng ASTM D5470 th\u01b0\u1eddng c\u00f3 t\u00ednh \u1ee9ng d\u1ee5ng cao h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u TIM \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM C518: Thi\u1ebft b\u1ecb \u0111o d\u00f2ng nhi\u1ec7t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ASTM C518 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c ki\u1ec3m tra truy\u1ec1n nhi\u1ec7t tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh b\u1eb1ng thi\u1ebft b\u1ecb \u0111o d\u00f2ng nhi\u1ec7t. Danh m\u1ee5c c\u1ee7a ASTM m\u00f4 t\u1ea3 \u0111\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p d\u00e0nh cho c\u00e1c m\u1eabu th\u1eed d\u1ea1ng t\u1ea5m ph\u1eb3ng, s\u1eed d\u1ee5ng vi\u1ec7c hi\u1ec7u chu\u1ea9n v\u1edbi c\u00e1c v\u1eadt li\u1ec7u \u0111\u00e3 bi\u1ebft v\u00e0 th\u00f4ng l\u01b0\u1ee3ng nhi\u1ec7t m\u1ed9t chi\u1ec1u gi\u1eefa c\u00e1c t\u1ea5m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t v\u00e0 c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c m\u00e0 trong \u0111\u00f3 m\u1ed9t m\u1eabu ph\u1eb3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t gi\u1eefa c\u00e1c t\u1ea5m. N\u00f3 c\u00f3 th\u1ec3 h\u1eefu \u00edch \u0111\u1ec3 so s\u00e1nh c\u00e1c \u0111\u1eb7c t\u00ednh truy\u1ec1n nhi\u1ec7t khi h\u00ecnh d\u1ea1ng v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng ASTM C518 khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1eabu l\u00e0 m\u1ed9t b\u1ea3n ph\u1eb3ng<\/li>\n\n\n\n<li>Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n b\u1eb1ng c\u00e1c v\u1eadt li\u1ec7u tham chi\u1ebfu ph\u00f9 h\u1ee3p.<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb<\/li>\n\n\n\n<li>M\u1ee5c ti\u00eau l\u00e0 d\u1eef li\u1ec7u truy\u1ec1n d\u1eabn tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y c\u1ea9n th\u1eadn khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1eadt li\u1ec7u n\u00e0y l\u00e0 m\u1ed9t l\u1edbp TIM m\u1ecfng<\/li>\n\n\n\n<li>M\u1eabu c\u00f3 \u0111\u1ed9 n\u00e9n r\u1ea5t cao<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u n\u00e0y c\u00f3 c\u00e1c c\u1ea7u nhi\u1ec7t<\/li>\n\n\n\n<li>\u1ee8ng d\u1ee5ng cu\u1ed1i c\u00f9ng ph\u1ee5 thu\u1ed9c v\u00e0o \u00e1p su\u1ea5t ti\u1ebfp x\u00fac v\u00e0 \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u TIM, ti\u00eau chu\u1ea9n ASTM C518 th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u tr\u1eeb khi h\u00ecnh d\u1ea1ng v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb \u0111o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM E1225: Ph\u01b0\u01a1ng ph\u00e1p d\u00f2ng nhi\u1ec7t d\u1ecdc so s\u00e1nh c\u00f3 b\u1ea3o v\u1ec7<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1010\" height=\"670\" src=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-8.png\" alt=\"ASTM E1225: Ph\u01b0\u01a1ng ph\u00e1p d\u00f2ng nhi\u1ec7t d\u1ecdc so s\u00e1nh c\u00f3 b\u1ea3o v\u1ec7\" class=\"wp-image-1441\" srcset=\"https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-8.png 1010w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-8-300x199.png 300w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-8-768x509.png 768w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-8-18x12.png 18w, https:\/\/haktak.com\/wp-content\/uploads\/2026\/03\/image-8-600x398.png 600w\" sizes=\"(max-width: 1010px) 100vw, 1010px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM E1225 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u00f2ng nhi\u1ec7t d\u1ecdc so s\u00e1nh c\u00f3 b\u1ea3o v\u1ec7. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a v\u1eadt th\u1ec3 r\u1eafn b\u1eb1ng c\u00e1ch so s\u00e1nh d\u00f2ng nhi\u1ec7t qua m\u1ed9t m\u1eabu ch\u01b0a bi\u1ebft v\u1edbi c\u00e1c v\u1eadt li\u1ec7u chu\u1ea9n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 h\u1eefu \u00edch \u0111\u1ed1i v\u1edbi c\u00e1c m\u1eabu r\u1eafn, polyme c\u1ee9ng, g\u1ed1m s\u1ee9, kim lo\u1ea1i v\u00e0 v\u1eadt li\u1ec7u composite. Nh\u00ecn chung, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1c l\u1edbp v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t (TIM) m\u1ec1m, m\u1ecfng v\u00e0 nh\u1ea1y \u00e1p l\u1ef1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n ASTM E1225 khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1eabu th\u1eed l\u00e0 m\u1ed9t v\u1eadt th\u1ec3 r\u1eafn<\/li>\n\n\n\n<li>H\u00ecnh h\u1ecdc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/li>\n\n\n\n<li>C\u00f3 th\u1ec3 qu\u1ea3n l\u00fd c\u00e1c \u0111i\u1ec1u ki\u1ec7n li\u00ean h\u1ec7<\/li>\n\n\n\n<li>Ph\u00e9p \u0111o d\u00f2ng nhi\u1ec7t so s\u00e1nh l\u00e0 ph\u00f9 h\u1ee3p<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y c\u1ea9n th\u1eadn khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1eadt li\u1ec7u l\u00e0 m\u1ee1, gel ho\u1eb7c b\u1ed9t tr\u00e9t<\/li>\n\n\n\n<li>\u1ee8ng d\u1ee5ng cu\u1ed1i c\u00f9ng l\u00e0 m\u1ed9t giao di\u1ec7n n\u00e9n m\u1ecfng<\/li>\n\n\n\n<li>\u0110i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac l\u00e0 m\u1ed9t ph\u1ea7n l\u1edbn c\u1ee7a k\u1ebft qu\u1ea3<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi vi\u1ec7c l\u1ef1a ch\u1ecdn TIM, E1225 c\u00f3 th\u1ec3 gi\u00fap \u0111\u1eb7c t\u00ednh h\u00f3a v\u1eadt li\u1ec7u kh\u1ed1i r\u1eafn, nh\u01b0ng n\u00f3 n\u00ean \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi vi\u1ec7c ki\u1ec3m tra b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac khi v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m TIM.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IPC, JEDEC v\u00e0 Ki\u1ec3m tra \u1edf c\u1ea5p \u0111\u1ed9 linh ki\u1ec7n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng ph\u1ea3i m\u1ecdi b\u00e0i ki\u1ec3m tra TIM h\u1eefu \u00edch \u0111\u1ec1u l\u00e0 ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u. Trong ng\u00e0nh \u0111i\u1ec7n t\u1eed, c\u00e1c k\u1ef9 s\u01b0 th\u01b0\u1eddng c\u1ea7n x\u00e1c th\u1ef1c c\u1ea5p \u0111\u1ed9 linh ki\u1ec7n \u0111\u1ec3 x\u00e1c nh\u1eadn xem TIM c\u00f3 th\u1ef1c s\u1ef1 l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a linh ki\u1ec7n hay kh\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c th\u1eed nghi\u1ec7m \u1edf c\u1ea5p \u0111\u1ed9 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 tr\u1ea3 l\u1eddi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n bi\u1ec3u ki\u1ebfn l\u00e0 g\u00ec?<\/li>\n\n\n\n<li>Tr\u1edf kh\u00e1ng d\u01b0\u1edbi \u00e1p su\u1ea5t x\u00e1c \u0111\u1ecbnh l\u00e0 g\u00ec?<\/li>\n\n\n\n<li>\u0110\u1ed9 d\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t nh\u01b0 th\u1ebf n\u00e0o?<\/li>\n\n\n\n<li>Nhi\u1ec7t \u0111\u1ed9 l\u00e0m thay \u0111\u1ed5i k\u1ebft qu\u1ea3 nh\u01b0 th\u1ebf n\u00e0o?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c b\u00e0i ki\u1ec3m tra c\u1ea5p \u0111\u1ed9 thi\u1ebft b\u1ecb tr\u1ea3 l\u1eddi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nhi\u1ec7t \u0111\u1ed9 th\u1ef1c t\u1ebf c\u1ee7a chip l\u00e0 bao nhi\u00eau?<\/li>\n\n\n\n<li>S\u1ea3n ph\u1ea9m c\u00f3 b\u1ecb gi\u1ea3m hi\u1ec7u n\u0103ng kh\u00f4ng?<\/li>\n\n\n\n<li>T\u1ea5m t\u1ea3n nhi\u1ec7t c\u00f3 n\u1eb1m trong m\u1ee5c ti\u00eau kh\u00f4ng?<\/li>\n\n\n\n<li>TIM c\u00f3 s\u1ed1ng s\u00f3t qua chu k\u1ef3 kh\u00f4ng?<\/li>\n\n\n\n<li>S\u1ef1 bi\u1ebfn \u0111\u1ed5i l\u1eafp r\u00e1p c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t kh\u00f4ng?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi CPU, GPU, m\u00f4-\u0111un LED, m\u00f4-\u0111un ngu\u1ed3n v\u00e0 \u0111i\u1ec7n t\u1eed \u00f4 t\u00f4, vi\u1ec7c ki\u1ec3m tra \u1edf c\u1ea5p \u0111\u1ed9 linh ki\u1ec7n th\u01b0\u1eddng l\u00e0 \u0111i\u1ec3m quy\u1ebft \u0111\u1ecbnh cu\u1ed1i c\u00f9ng. C\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 v\u1eadt li\u1ec7u l\u00e0 c\u1ea7n thi\u1ebft, nh\u01b0ng t\u1ef1 ch\u00fang th\u00ec ch\u01b0a \u0111\u1ee7.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c k\u1ef9 s\u01b0 n\u00ean ch\u1ecdn ti\u00eau chu\u1ea9n n\u00e0o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u v\u00e0 quy\u1ebft \u0111\u1ecbnh b\u1ea1n c\u1ea7n \u0111\u01b0a ra.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>V\u1eadt li\u1ec7u ho\u1eb7c T\u00ecnh hu\u1ed1ng<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Ph\u01b0\u01a1ng ph\u00e1p h\u1eefu \u00edch n\u00ean c\u00e2n nh\u1eafc<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Nguy\u00ean nh\u00e2n ch\u00ednh<\/strong><\/td><\/tr><tr><td>Keo t\u1ea3n nhi\u1ec7t<\/td><td>ASTM D5470<\/td><td>Ki\u1ec3m tra t\u1ed5ng tr\u1edf t\u1eadp trung v\u00e0o TIM<\/td><\/tr><tr><td>Mi\u1ebfng t\u1ea3n nhi\u1ec7t<\/td><td>ASTM D5470<\/td><td>C\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t v\u00e0 \u0111\u1ed9 d\u00e0y<\/td><\/tr><tr><td>T\u1ea5m t\u1ea3n nhi\u1ec7t chuy\u1ec3n pha<\/td><td>Ki\u1ec3m tra ASTM D5470 k\u1ebft h\u1ee3p k\u00edch ho\u1ea1t<\/td><td>H\u00e0nh vi chuy\u1ec3n pha r\u1ea5t quan tr\u1ecdng<\/td><\/tr><tr><td>Keo t\u1ea3n nhi\u1ec7t<\/td><td>ASTM D5470<\/td><td>H\u00e0nh vi giao di\u1ec7n m\u1ec1m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1<\/td><\/tr><tr><td>Keo t\u1ea3n nhi\u1ec7t d\u1ea1ng d\u1ebbo<\/td><td>ASTM D5470 c\u1ed9ng v\u1edbi th\u1eed nghi\u1ec7m c\u1ea5p \u0111\u1ed9 \u1ee9ng d\u1ee5ng<\/td><td>T\u00ednh tu\u00e2n th\u1ee7 v\u00e0 kh\u1ea3 n\u0103ng l\u1ea5p \u0111\u1ea7y khe h\u1edf r\u1ea5t quan tr\u1ecdng<\/td><\/tr><tr><td>H\u1ee3p ch\u1ea5t \u0111\u1ed5 potting \u0111\u00e3 \u0111\u00f3ng r\u1eafn<\/td><td>ASTM E1461 ho\u1eb7c ISO 22007-2<\/td><td>C\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u r\u1eddi r\u1ea5t quan tr\u1ecdng<\/td><\/tr><tr><td>V\u1eadt li\u1ec7u d\u1ea1ng t\u1ea5m c\u00e1ch nhi\u1ec7t<\/td><td>ASTM C177 ho\u1eb7c ASTM C518<\/td><td>Truy\u1ec1n nhi\u1ec7t qua t\u1ea5m ph\u1eb3ng \u1edf ch\u1ebf \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh<\/td><\/tr><tr><td>L\u1eafp r\u00e1p linh ki\u1ec7n \u0111i\u1ec7n t\u1eed cu\u1ed1i c\u00f9ng<\/td><td>Th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 c\u1ea5p thi\u1ebft b\u1ecb<\/td><td>X\u00e1c nh\u1eadn hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t th\u1ef1c t\u1ebf<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u chuy\u1ec3n pha, c\u00e1c k\u1ef9 s\u01b0 n\u00ean \u0111\u1eb7c bi\u1ec7t c\u1ea9n th\u1eadn. M\u1ed9t PCM \u0111\u01b0\u1ee3c ki\u1ec3m tra d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 k\u00edch ho\u1ea1t c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1i di\u1ec7n cho hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. C\u1ee7a HakTak <a href=\"https:\/\/haktak.com\/vi\/pcm-thermal-pads-explained\/\">Gi\u1ea3i th\u00edch v\u1ec1 Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t chuy\u1ec3n \u0111\u1ed5i pha (PCM)<\/a> cung c\u1ea5p th\u00eam chi ti\u1ebft v\u1ec1 c\u00e1ch c\u00e1c v\u1eadt li\u1ec7u n\u00e0y l\u00e0m m\u1ec1m v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 th\u1ea5m \u01b0\u1edbt \u1edf nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng \u0111i\u1ec1u c\u1ea7n h\u1ecfi khi xem x\u00e9t b\u00e1o c\u00e1o ki\u1ec3m th\u1eed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t b\u00e1o c\u00e1o ki\u1ec3m tra TIM h\u1eefu \u00edch n\u00ean bao g\u1ed3m nhi\u1ec1u h\u01a1n m\u1ed9t con s\u1ed1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c k\u1ef9 s\u01b0 n\u00ean \u0111\u1eb7t c\u00e2u h\u1ecfi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u00e3 s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n n\u00e0o?<\/li>\n\n\n\n<li>Phi\u00ean b\u1ea3n n\u00e0o c\u1ee7a ti\u00eau chu\u1ea9n \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng?<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ki\u1ec3m tra \u1edf tr\u1ea1ng th\u00e1i cung c\u1ea5p hay sau khi \u0111\u00f3ng r\u1eafn?<\/li>\n\n\n\n<li>\u0110\u1ed9 d\u00e0y m\u1eabu l\u00e0 bao nhi\u00eau?<\/li>\n\n\n\n<li>\u0110\u1ed9 d\u00e0y \u0111\u01b0\u1eddng h\u00e0n cu\u1ed1i c\u00f9ng l\u00e0 bao nhi\u00eau?<\/li>\n\n\n\n<li>\u00c1p su\u1ea5t n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng?<\/li>\n\n\n\n<li>Di\u1ec7n t\u00edch ti\u1ebfp x\u00fac l\u00e0 bao nhi\u00eau?<\/li>\n\n\n\n<li>\u0110\u00e3 s\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 n\u00e0o?<\/li>\n\n\n\n<li>K\u1ebft qu\u1ea3 l\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t, \u0111\u1ed9 d\u1eabn bi\u1ec3u ki\u1ebfn, \u0111i\u1ec7n tr\u1edf hay tr\u1edf kh\u00e1ng?<\/li>\n\n\n\n<li>\u0110\u00e3 c\u00f3 bao nhi\u00eau m\u1eabu \u0111\u01b0\u1ee3c ki\u1ec3m tra?<\/li>\n\n\n\n<li>S\u1ef1 dao \u0111\u1ed9ng gi\u1eefa c\u00e1c m\u1eabu l\u00e0 g\u00ec?<\/li>\n\n\n\n<li>C\u00e1c b\u1ec1 m\u1eb7t \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch ho\u1eb7c x\u1eed l\u00fd ch\u01b0a?<\/li>\n\n\n\n<li>\u0110\u00e3 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a hay chu tr\u00ecnh nhi\u1ec7t ch\u01b0a?<\/li>\n\n\n\n<li>K\u1ebft qu\u1ea3 \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng trong kh\u00e2u l\u1eafp r\u00e1p cu\u1ed1i c\u00f9ng ch\u01b0a?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu thi\u1ebfu c\u00e1c chi ti\u1ebft n\u00e0y, k\u1ebft qu\u1ea3 v\u1eabn c\u00f3 th\u1ec3 h\u1eefu \u00edch cho vi\u1ec7c s\u00e0ng l\u1ecdc, nh\u01b0ng kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c coi l\u00e0 b\u1eb1ng ch\u1ee9ng cu\u1ed1i c\u00f9ng v\u1ec1 hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n kh\u00f4ng lo\u1ea1i b\u1ecf ph\u00e1n \u0111o\u00e1n k\u1ef9 thu\u1eadt<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ti\u00eau chu\u1ea9n ki\u1ec3m th\u1eed r\u1ea5t thi\u1ebft y\u1ebfu v\u00ec ch\u00fang t\u1ea1o ra c\u1ea5u tr\u00fac v\u00e0 t\u00ednh l\u1eb7p l\u1ea1i. Nh\u01b0ng ch\u00fang kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf nhu c\u1ea7u v\u1ec1 ph\u00e1n \u0111o\u00e1n k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t (TIM) c\u1ef1c k\u1ef3 nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u1ee9ng d\u1ee5ng. M\u1ed9t lo\u1ea1i m\u1ee1 t\u1ea3n nhi\u1ec7t c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t khi qu\u00e9t m\u1ecfng nh\u01b0ng l\u1ea1i k\u00e9m hi\u1ec7u qu\u1ea3 khi qu\u00e9t d\u00e0y. M\u1ed9t mi\u1ebfng \u0111\u1ec7m c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u1edf m\u1ee9c n\u00e9n n\u00e0y nh\u01b0ng l\u1ea1i k\u00e9m \u1edf m\u1ee9c n\u00e9n kh\u00e1c. M\u1ed9t lo\u1ea1i keo t\u1ea3n nhi\u1ec7t (putty) c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong kho\u1ea3ng tr\u1ed1ng kh\u00f4ng \u0111\u1ec1u nh\u01b0ng l\u1ea1i t\u1ecf ra k\u00e9m \u1ea5n t\u01b0\u1ee3ng trong b\u00e0i ki\u1ec3m tra th\u1ec3 t\u00edch ph\u1eb3ng. M\u1ed9t v\u1eadt li\u1ec7u chuy\u1ec3n pha (PCM) c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau tr\u01b0\u1edbc v\u00e0 sau khi k\u00edch ho\u1ea1t chuy\u1ec3n pha.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c k\u1ef9 s\u01b0 n\u00ean k\u1ebft h\u1ee3p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m tra v\u1eadt li\u1ec7u ti\u00eau chu\u1ea9n h\u00f3a<\/li>\n\n\n\n<li>Ki\u1ec3m th\u1eed fixture theo \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3<\/li>\n\n\n\n<li>X\u00e1c th\u1ef1c c\u1ea5p thi\u1ebft b\u1ecb<\/li>\n\n\n\n<li>Ki\u1ec3m tra \u0111\u1ed9 tin c\u1eady<\/li>\n\n\n\n<li>Ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n cho b\u1ea1n bi\u1ebft c\u00e1ch m\u1ed9t b\u00e0i ki\u1ec3m tra \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. N\u00f3 kh\u00f4ng t\u1ef1 \u0111\u1ed9ng cho b\u1ea1n bi\u1ebft li\u1ec7u v\u1eadt li\u1ec7u \u0111\u00f3 c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi s\u1ea3n ph\u1ea9m c\u1ee7a b\u1ea1n hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn k\u1ef9 s\u01b0 n\u00ean tr\u00e1nh<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sai l\u1ea7m \u0111\u1ea7u ti\u00ean l\u00e0 so s\u00e1nh c\u00e1c gi\u00e1 tr\u1ecb t\u1eeb c\u00e1c ti\u00eau chu\u1ea9n kh\u00e1c nhau nh\u01b0 th\u1ec3 ch\u00fang t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau. ASTM D5470, ISO 22007-2, ASTM E1461, ASTM C177 v\u00e0 ASTM C518 \u0111o l\u01b0\u1eddng nh\u1eefng th\u00f4ng s\u1ed1 kh\u00e1c nhau theo c\u00e1c gi\u1ea3 \u0111\u1ecbnh kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sai l\u1ea7m th\u1ee9 hai l\u00e0 ch\u1ec9 t\u1eadp trung v\u00e0o W\/mK. Vi\u1ec7c l\u1ef1a ch\u1ecdn TIM c\u0169ng c\u1ea7n c\u00e2n nh\u1eafc \u0111\u1ebfn tr\u1edf kh\u00e1ng nhi\u1ec7t, \u00e1p su\u1ea5t, \u0111\u1ed9 d\u00e0y, \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac v\u00e0 \u0111\u1ed9 tin c\u1eady.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sai l\u1ea7m th\u1ee9 ba l\u00e0 b\u1ecf qua h\u00ecnh th\u1ee9c v\u1eadt li\u1ec7u. Ch\u1ea5t b\u00e9o l\u1ecfng, gel m\u1ec1m, t\u1ea5m d\u1ec5 n\u00e9n, m\u00e0ng chuy\u1ec3n pha v\u00e0 h\u1ee3p ch\u1ea5t \u0111\u00f3ng r\u1eafn kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c \u0111\u1ed1i x\u1eed nh\u01b0 c\u00f9ng m\u1ed9t v\u1ea5n \u0111\u1ec1 th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sai l\u1ea7m th\u1ee9 t\u01b0 l\u00e0 b\u1ecf qua \u00e1p su\u1ea5t. Nhi\u1ec1u v\u1eadt li\u1ec7u TIM ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau d\u01b0\u1edbi c\u00e1c m\u1ee9c \u0111\u1ed9 n\u00e9n kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sai l\u1ea7m th\u1ee9 n\u0103m l\u00e0 \u00e1p d\u1ee5ng tr\u1ef1c ti\u1ebfp k\u1ebft qu\u1ea3 t\u1eeb b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0o c\u00e1c c\u1ee5m l\u1eafp r\u00e1p ph\u1ee9c t\u1ea1p. C\u00e1c s\u1ea3n ph\u1ea9m th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 c\u00f3 khe h\u1edf kh\u00f4ng \u0111\u1ec1u, b\u1ec1 m\u1eb7t kh\u00f4ng song song, \u00e1p su\u1ea5t h\u1ea1n ch\u1ebf, \u0111\u1ed9 rung ho\u1eb7c chu k\u1ef3 nhi\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sai l\u1ea7m th\u1ee9 s\u00e1u l\u00e0 b\u1ecf qua qu\u00e1 tr\u00ecnh ki\u1ec3m tra l\u00e3o h\u00f3a v\u00e0 m\u00f4i tr\u01b0\u1eddng. Hi\u1ec7n t\u01b0\u1ee3ng b\u01a1m ng\u01b0\u1ee3c, kh\u00f4 c\u1ea1n, tho\u00e1t kh\u00ed, \u0111\u00f3ng r\u1eafn ho\u1eb7c l\u1eafng \u0111\u1ecdng ch\u1ea5t \u0111\u1ed9n c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i hi\u1ec7u su\u1ea5t t\u1ea3n nhi\u1ec7t theo th\u1eddi gian. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng nh\u1ea1y c\u1ea3m v\u1edbi ch\u00e2n dung, h\u00e3y xem b\u00e0i vi\u1ebft c\u1ee7a HakTak <a href=\"https:\/\/haktak.com\/vi\/thermal-grease-vacuum-outgassing-performance\/\">Keo t\u1ea3n nhi\u1ec7t c\u00f3 bay h\u01a1i trong ch\u00e2n kh\u00f4ng kh\u00f4ng? Hi\u1ec3u v\u1ec1 s\u1ef1 tho\u00e1t kh\u00ed v\u00e0 hi\u1ec7u su\u1ea5t trong m\u00f4i tr\u01b0\u1eddng \u00e1p su\u1ea5t th\u1ea5p<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">G\u00f3c nh\u00ecn HakTak<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i HakTak, c\u00e1c ti\u00eau chu\u1ea9n ki\u1ec3m tra TIM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 c\u00e1c c\u00f4ng c\u1ee5, kh\u00f4ng ph\u1ea3i l\u1ed1i t\u1eaft. ASTM D5470 v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p li\u00ean quan c\u00f3 th\u1ec3 cung c\u1ea5p d\u1eef li\u1ec7u so s\u00e1nh c\u00f3 gi\u00e1 tr\u1ecb, nh\u01b0ng l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cu\u1ed1i c\u00f9ng ph\u1ea3i ph\u1ea3n \u00e1nh thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi keo t\u1ea3n nhi\u1ec7t, c\u00e1c bi\u1ebfn s\u1ed1 ch\u00ednh bao g\u1ed3m \u0111\u1ed9 d\u00e0y l\u1edbp b\u00f4i, \u0111\u1ed9 \u1ea9m b\u1ec1 m\u1eb7t, kh\u1ea3 n\u0103ng ch\u1ed1ng b\u01a1m \u0111\u1ea9y, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh khi b\u1ea3o qu\u1ea3n v\u00e0 \u00e1p su\u1ea5t. \u0110\u1ed1i v\u1edbi mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t, \u0111\u1ed9 d\u00e0y, \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 n\u00e9n v\u00e0 kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n l\u00e0 quan tr\u1ecdng. \u0110\u1ed1i v\u1edbi mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t PCM, nhi\u1ec7t \u0111\u1ed9 k\u00edch ho\u1ea1t v\u00e0 h\u00e0nh vi ti\u1ebfp x\u00fac sau khi k\u00edch ho\u1ea1t l\u00e0 quan tr\u1ecdng. \u0110\u1ed1i v\u1edbi keo t\u1ea3n nhi\u1ec7t d\u1ea1ng b\u1ed9t nh\u00e3o v\u00e0 ch\u1ea5t l\u00e0m \u0111\u1ea7y khe h\u1edf, t\u00ednh d\u1ec5 th\u00edch \u1ee9ng v\u00e0 dung sai khe h\u1edf l\u00e0 quan tr\u1ecdng. \u0110\u1ed1i v\u1edbi h\u1ee3p ch\u1ea5t b\u1ecdc m\u1ea1ch d\u1eabn nhi\u1ec7t, ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00f3ng r\u1eafn v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t b\u1ecdt kh\u00ed l\u00e0 quan tr\u1ecdng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t quy tr\u00ecnh \u0111\u00e1nh gi\u00e1 TIM m\u1ea1nh m\u1ebd th\u01b0\u1eddng bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u00e0ng l\u1ecdc v\u1eadt li\u1ec7u b\u1eb1ng d\u1eef li\u1ec7u ki\u1ec3m tra ti\u00eau chu\u1ea9n<\/li>\n\n\n\n<li>Ki\u1ec3m tra tr\u1edf kh\u00e1ng ho\u1eb7c \u0111i\u1ec7n tr\u1edf nhi\u1ec7t d\u01b0\u1edbi \u00e1p su\u1ea5t th\u1ef1c t\u1ebf<\/li>\n\n\n\n<li>X\u00e1c th\u1ef1c nhi\u1ec7t \u0111\u1ed9 c\u1ea5p \u1ee9ng d\u1ee5ng<\/li>\n\n\n\n<li>Chu k\u1ef3 nhi\u1ec7t v\u00e0 s\u1ef1 l\u00e3o h\u00f3a<\/li>\n\n\n\n<li>Ki\u1ec3m tra t\u00ednh l\u1eb7p l\u1ea1i c\u1ee7a quy tr\u00ecnh<\/li>\n\n\n\n<li>Ki\u1ec3m tra c\u00e1ch \u0111i\u1ec7n khi \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eadt li\u1ec7u t\u1ed1t nh\u1ea5t kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 v\u1eadt li\u1ec7u c\u00f3 ch\u1ec9 s\u1ed1 d\u1eabn nhi\u1ec7t cao nh\u1ea5t. \u0110\u00f3 l\u00e0 v\u1eadt li\u1ec7u mang l\u1ea1i hi\u1ec7u su\u1ea5t nhi\u1ec7t \u1ed5n \u0111\u1ecbnh trong c\u1ee5m l\u1eafp r\u00e1p th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c k\u1ef9 s\u01b0 l\u00e0m vi\u1ec7c v\u1edbi v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t n\u00ean bi\u1ebft m\u1ed9t s\u1ed1 ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m ph\u1ed5 bi\u1ebfn, nh\u01b0ng h\u1ecd c\u0169ng c\u1ea7n hi\u1ec3u r\u00f5 nh\u1eefng gi\u1edbi h\u1ea1n c\u1ee7a ch\u00fang.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D5470 l\u00e0 ti\u00eau chu\u1ea9n c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp nh\u1ea5t \u0111\u1ed1i v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng TIM v\u00ec n\u00f3 t\u1eadp trung v\u00e0o c\u00e1c \u0111\u1eb7c t\u00ednh truy\u1ec1n nhi\u1ec7t, tr\u1edf kh\u00e1ng v\u00e0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n bi\u1ec3u ki\u1ebfn c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong vi\u1ec7c t\u1ea3n nhi\u1ec7t \u0111i\u1ec7n t\u1eed. ISO 22007-2 h\u1eefu \u00edch cho vi\u1ec7c ki\u1ec3m tra ngu\u1ed3n nhi\u1ec7t ph\u1eb3ng t\u1ee9c th\u1eddi \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u g\u1ed1c polymer. ASTM E1461 h\u1eefu \u00edch cho \u0111\u1ed9 khu\u1ebfch t\u00e1n ch\u1edbp laser c\u1ee7a ch\u1ea5t r\u1eafn v\u00e0 h\u1ee3p ch\u1ea5t \u0111\u00e3 \u0111\u00f3ng r\u1eafn. ASTM C177 v\u00e0 ASTM C518 l\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u1ed5n \u0111\u1ecbnh quan tr\u1ecdng \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u d\u1ea1ng t\u1ea5m v\u00e0 c\u00e1c kh\u00e1i ni\u1ec7m truy\u1ec1n nhi\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng ti\u00eau chu\u1ea9n n\u00e0o c\u00f3 th\u1ec3 thay th\u1ebf ho\u00e0n to\u00e0n vi\u1ec7c ki\u1ec3m th\u1eed \u1ee9ng d\u1ee5ng. Hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t (TIM) ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y, \u00e1p su\u1ea5t, di\u1ec7n t\u00edch ti\u1ebfp x\u00fac b\u1ec1 m\u1eb7t, nhi\u1ec7t \u0111\u1ed9, h\u00ecnh h\u1ecdc v\u00e0 s\u1ef1 l\u00e3o h\u00f3a. Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m th\u1eed t\u1ed1t nh\u1ea5t l\u00e0 k\u1ebft h\u1ee3p d\u1eef li\u1ec7u ti\u00eau chu\u1ea9n v\u1edbi vi\u1ec7c x\u00e1c th\u1ef1c tr\u00ean c\u1ee5m l\u1eafp r\u00e1p th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0, m\u1ee5c ti\u00eau kh\u00f4ng ch\u1ec9 l\u00e0 b\u00e1o c\u00e1o m\u1ed9t gi\u00e1 tr\u1ecb \u0111\u1ed9 d\u1eabn nhi\u1ec7t. M\u1ee5c ti\u00eau l\u00e0 ch\u1ecdn m\u1ed9t v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t (TIM) gi\u00fap s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng m\u00e1t m\u1ebb, \u0111\u00e1ng tin c\u1eady v\u00e0 d\u1ec5 s\u1ea3n xu\u1ea5t.<\/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\">Ti\u00eau chu\u1ea9n ki\u1ec3m tra TIM ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D5470 l\u00e0 m\u1ed9t trong nh\u1eefng ti\u00eau chu\u1ea9n quan tr\u1ecdng nh\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c tham kh\u1ea3o ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ed1i v\u1edbi vi\u1ec7c ki\u1ec3m tra v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t (TIM) v\u00ec n\u00f3 \u0111o t\u1ed5ng tr\u1edf nhi\u1ec7t v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t bi\u1ec3u ki\u1ebfn c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n d\u1eabn nhi\u1ec7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ASTM D5470 c\u00f3 ch\u1ec9 d\u00e0nh cho mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t (thermal pads) kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng. ASTM D5470 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ed9t lo\u1ea1t c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u, bao g\u1ed3m m\u1ee1, nh\u00e3o, v\u1eadt li\u1ec7u chuy\u1ec3n pha, gel, cao su m\u1ec1m, cao su c\u1ee9ng v\u00e0 ch\u1ea5t r\u1eafn c\u1ee9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ISO 22007-2 d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ISO 22007-2 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ph\u01b0\u01a1ng ph\u00e1p ngu\u1ed3n nhi\u1ec7t ph\u1eb3ng transient \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u1eabn nhi\u1ec7t v\u00e0 \u0111\u1ed9 khu\u1ebfch t\u00e1n nhi\u1ec7t c\u1ee7a ch\u1ea5t d\u1ebbo. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y h\u1eefu \u00edch cho vi\u1ec7c th\u1eed nghi\u1ec7m v\u1eadt li\u1ec7u kh\u1ed1i v\u00e0 v\u1eadt li\u1ec7u g\u1ed1c polyme.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra ch\u1edbp laser c\u00f3 t\u1ed1t cho v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t (TIM) kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra ch\u1edbp laser h\u1eefu \u00edch cho c\u00e1c v\u1eadt li\u1ec7u \u0111\u1eb7c v\u00e0 h\u1ee3p ch\u1ea5t \u0111\u00e3 \u0111\u00f3ng r\u1eafn, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1i di\u1ec7n cho c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac TIM m\u1ecfng, nh\u1ea1y c\u1ea3m v\u1edbi \u00e1p su\u1ea5t, n\u01a1i \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n ASTM C177 ho\u1eb7c C518 cho v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t (TIM) kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c v\u1eadt li\u1ec7u d\u1ea1ng t\u1ea5m v\u00e0 th\u1eed nghi\u1ec7m truy\u1ec1n nhi\u1ec7t theo ki\u1ec3u c\u00e1ch nhi\u1ec7t. \u0110\u00e2y l\u00e0 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u1ec1n t\u1ea3ng h\u1eefu \u00edch nh\u01b0ng th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c l\u1edbp TIM \u0111i\u1ec7n t\u1eed m\u1ecfng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i sao k\u1ebft qu\u1ea3 ki\u1ec3m tra TIM l\u1ea1i kh\u00e1c nhau gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 kh\u00e1c nhau do ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m, \u0111\u1ed9 d\u00e0y m\u1eabu, \u00e1p su\u1ea5t, \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t, nhi\u1ec7t \u0111\u1ed9, ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n b\u1ecb v\u00e0 vi\u1ec7c k\u1ebft qu\u1ea3 l\u00e0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n bi\u1ec3u ki\u1ebfn, tr\u1edf kh\u00e1ng hay \u0111i\u1ec7n tr\u1edf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c k\u1ef9 s\u01b0 c\u00f3 n\u00ean ch\u1ec9 d\u1ef1a v\u00e0o d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng. D\u1eef li\u1ec7u th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n h\u1eefu \u00edch cho vi\u1ec7c s\u00e0ng l\u1ecdc, nh\u01b0ng vi\u1ec7c l\u1ef1a ch\u1ecdn TIM cu\u1ed1i c\u00f9ng n\u00ean bao g\u1ed3m th\u1eed nghi\u1ec7m nhi\u1ec7t \u1edf c\u1ea5p \u0111\u1ed9 \u1ee9ng d\u1ee5ng v\u00e0 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 tin c\u1eady.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u00e1o c\u00e1o ki\u1ec3m tra TIM n\u00ean bao g\u1ed3m nh\u1eefng g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m TIM n\u00ean bao g\u1ed3m ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m, \u00e1p su\u1ea5t, \u0111\u1ed9 d\u00e0y m\u1eabu, \u0111\u1ed9 d\u00e0y \u0111\u01b0\u1eddng li\u00ean k\u1ebft, di\u1ec7n t\u00edch ti\u1ebfp x\u00fac, s\u1ed1 l\u01b0\u1ee3ng m\u1eabu, lo\u1ea1i k\u1ebft qu\u1ea3 v\u00e0 b\u1ea5t k\u1ef3 l\u1ecbch s\u1eed l\u00e3o h\u00f3a ho\u1eb7c \u0111i\u1ec1u h\u00f2a n\u00e0o.<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>The most important TIM testing standard engineers should know is ASTM D5470, because it is commonly used to measure thermal 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