{"id":682617,"date":"2024-08-06T03:29:03","date_gmt":"2024-08-06T02:29:03","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=682617"},"modified":"2024-08-06T03:29:03","modified_gmt":"2024-08-06T02:29:03","slug":"5-loai-vat-lieu-giao-dien-nhiet-cho-thiet-bi-dien-tu","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/5-loai-vat-lieu-giao-dien-nhiet-cho-thiet-bi-dien-tu\/","title":{"rendered":"5 Lo\u1ea1i V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t Cho Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed"},"content":{"rendered":"<p class=\"sidekick\">5 Lo\u1ea1i V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t Cho Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed: Gi\u1edbi thi\u1ec7u c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t v\u00e0 hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t cho thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/5_loai_vat_lieu_giao_dien_nhiet_cho_thiet_bi_dien_tu.png\" alt=\"5 Lo\u1ea1i V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t Cho Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>5 Lo\u1ea1i V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t Cho Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, vi\u1ec7c qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ed9 cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 ch\u00ednh gi\u00fap l\u00e0m m\u00e1t thi\u1ebft b\u1ecb l\u00e0 s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t (TIM &#8211; Thermal Interface Materials). D\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch 5 lo\u1ea1i v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n<h2>1. M\u1ee1 d\u1eabn nhi\u1ec7t<\/h2>\n<p>M\u1ee1 d\u1eabn nhi\u1ec7t l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t ph\u1ed5 bi\u1ebfn nh\u1ea5t. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong vi x\u1eed l\u00fd v\u00e0 b\u1ed9 x\u1eed l\u00fd \u0111\u1ed3 h\u1ecda \u0111\u1ec3 c\u1ea3i thi\u1ec7n truy\u1ec1n nhi\u1ec7t gi\u1eefa b\u1ec1 m\u1eb7t chip v\u00e0 b\u1ed9 t\u1ea3n nhi\u1ec7t. Th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a m\u1ee1 d\u1eabn nhi\u1ec7t th\u01b0\u1eddng l\u00e0 silicone ho\u1eb7c ch\u1ea5t n\u1ec1n polymer v\u1edbi c\u00e1c h\u1ea1t kim lo\u1ea1i ho\u1eb7c oxit kim lo\u1ea1i si\u00eau nh\u1ecf.<\/p>\n<ul>\n<li>\u01afu \u0111i\u1ec3m: D\u1ec5 s\u1eed d\u1ee5ng, gi\u00e1 th\u00e0nh r\u1ebb, hi\u1ec7u qu\u1ea3 truy\u1ec1n nhi\u1ec7t t\u1ed1t.<\/li>\n<li>Nh\u01b0\u1ee3c \u0111i\u1ec3m: D\u1ec5 b\u1ecb kh\u00f4 c\u1ee9ng sau m\u1ed9t th\u1eddi gian d\u00e0i s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n<h2>2. B\u0103ng keo d\u1eabn nhi\u1ec7t<\/h2>\n<p>B\u0103ng keo d\u1eabn nhi\u1ec7t l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t c\u00f3 \u0111\u1ed9 d\u00ednh m\u1ea1nh m\u1ebd, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 g\u1eafn k\u1ebft c\u00e1c b\u1ed9 ph\u1eadn nh\u1ecf nh\u01b0 c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c \u00e1nh s\u00e1ng v\u1edbi t\u1ea3n nhi\u1ec7t. Th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 c\u00e1c m\u00e0ng polymer m\u1ecfng c\u00f3 ph\u1ee7 l\u1edbp ch\u1ea5t k\u1ebft d\u00ednh d\u1eabn nhi\u1ec7t.<\/p>\n<ul>\n<li>\u01afu \u0111i\u1ec3m: D\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng, kh\u00f4ng c\u1ea7n c\u00f4ng c\u1ee5 \u0111\u1eb7c bi\u1ec7t.<\/li>\n<li>Nh\u01b0\u1ee3c \u0111i\u1ec3m: Hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t th\u1ea5p h\u01a1n so v\u1edbi m\u1ee1 d\u1eabn nhi\u1ec7t v\u00e0 kh\u00f4ng th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u cao.<\/li>\n<\/ul>\n<h2>3. V\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t c\u00e1ch \u0111i\u1ec7n (Pad d\u1eabn nhi\u1ec7t)<\/h2>\n<p>Pad d\u1eabn nhi\u1ec7t l\u00e0 t\u1ea5m m\u1ecfng l\u00e0m t\u1eeb v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t nh\u01b0ng kh\u00f4ng d\u1eabn \u0111i\u1ec7n. Ch\u00fang th\u00edch h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng \u1edf c\u00e1c v\u1ecb tr\u00ed y\u00eau c\u1ea7u c\u00e1ch \u0111i\u1ec7n nh\u01b0ng c\u1ea7n truy\u1ec1n nhi\u1ec7t t\u1ed1t, ch\u1eb3ng h\u1ea1n nh\u01b0 gi\u1eefa c\u00e1c transistor v\u00e0 b\u1ed9 t\u1ea3n nhi\u1ec7t.<\/p>\n<ul>\n<li>\u01afu \u0111i\u1ec3m: D\u1ec5 c\u1eaft v\u00e0 g\u1eafn v\u00e0o c\u00e1c b\u1ec1 m\u1eb7t ph\u1ee9c t\u1ea1p, kh\u00f4ng d\u1eabn \u0111i\u1ec7n.<\/li>\n<li>Nh\u01b0\u1ee3c \u0111i\u1ec3m: Hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t kh\u00f4ng cao b\u1eb1ng m\u1ee1 d\u1eabn nhi\u1ec7t.<\/li>\n<\/ul>\n<h2>4. Gel d\u1eabn nhi\u1ec7t<\/h2>\n<p>Gel d\u1eabn nhi\u1ec7t t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ee1 d\u1eabn nhi\u1ec7t nh\u01b0ng c\u00f3 \u0111\u1ed9 nh\u1edbt th\u1ea5p h\u01a1n, gi\u00fap lan t\u1ecfa \u0111\u1ec1u b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u00e0 l\u1ea5p \u0111\u1ea7y c\u00e1c khe h\u1edf vi m\u00f4. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f3 y\u00eau c\u1ea7u cao v\u1ec1 truy\u1ec1n nhi\u1ec7t.<\/p>\n<ul>\n<li>\u01afu \u0111i\u1ec3m: Hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t cao, d\u1ec5 \u00e1p d\u1ee5ng.<\/li>\n<li>Nh\u01b0\u1ee3c \u0111i\u1ec3m: Gi\u00e1 th\u00e0nh cao, c\u1ea7n b\u1ea3o qu\u1ea3n \u0111\u1eb7c bi\u1ec7t.<\/li>\n<\/ul>\n<h2>5. V\u1eadt li\u1ec7u h\u1ee3p kim thay \u0111\u1ed5i pha (PCM &#8211; Phase Change Material)<\/h2>\n<p>PCM l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i pha t\u1eeb r\u1eafn sang l\u1ecfng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i trong m\u1ed9t d\u1ea3i nhi\u1ec7t \u0111\u1ed9 h\u1eb9p, gi\u00fap h\u1ea5p th\u1ee5 nhi\u1ec7t trong qu\u00e1 tr\u00ecnh chuy\u1ec3n pha v\u00e0 gi\u1ea3i ph\u00f3ng nhi\u1ec7t khi c\u1ea7n thi\u1ebft. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 t\u1ea7n su\u1ea5t nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn \u0111\u1ed5i l\u1edbn.<\/p>\n<ul>\n<li>\u01afu \u0111i\u1ec3m: Hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t cao, \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n b\u1ec9.<\/li>\n<li>Nh\u01b0\u1ee3c \u0111i\u1ec3m: Gi\u00e1 th\u00e0nh \u0111\u1eaft \u0111\u1ecf, c\u1ea7n thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 \u1ee9ng d\u1ee5ng hi\u1ec7u qu\u1ea3.<\/li>\n<\/ul>\n<p>Nh\u00ecn chung, vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 l\u00e0m m\u00e1t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. S\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c lo\u1ea1i TIM tr\u00ean s\u1ebd gi\u00fap b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>5 Lo\u1ea1i V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t Cho Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed: Gi\u1edbi thi\u1ec7u c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t v\u00e0 hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t cho thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>5 Lo\u1ea1i V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t Cho Thi\u1ebft B\u1ecb \u0110i\u1ec7n 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