{"id":702271,"date":"2024-07-23T08:05:06","date_gmt":"2024-07-23T07:05:06","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=702271"},"modified":"2024-07-23T08:05:06","modified_gmt":"2024-07-23T07:05:06","slug":"vat-lieu-giao-dien-nhiet-ung-dung-trong-dien-tu","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/vat-lieu-giao-dien-nhiet-ung-dung-trong-dien-tu\/","title":{"rendered":"V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t | \u1ee8ng D\u1ee5ng Trong \u0110i\u1ec7n T\u1eed"},"content":{"rendered":"<p class=\"sidekick\">V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t trong \u0110i\u1ec7n T\u1eed gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ea3n nhi\u1ec7t, b\u1ea3o v\u1ec7 c\u00e1c linh ki\u1ec7n v\u00e0 t\u0103ng tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed th\u00f4ng qua truy\u1ec1n nhi\u1ec7t hi\u1ec7u qu\u1ea3.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/vat_lieu_giao_dien_nhiet_ung_dung_trong_dien_tu.png\" alt=\"V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t | \u1ee8ng D\u1ee5ng Trong \u0110i\u1ec7n T\u1eed\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t | \u1ee8ng D\u1ee5ng Trong \u0110i\u1ec7n T\u1eed<\/h2>\n<p>Trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed, qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ed9 l\u00e0 y\u1ebfu t\u1ed1 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n b\u1ec9. M\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 quan tr\u1ecdng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y ch\u00ednh l\u00e0 v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t (Thermal Interface Materials &#8211; TIMs). V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t gi\u00fap c\u1ea3i thi\u1ec7n s\u1ef1 d\u1eabn nhi\u1ec7t t\u1eeb chip \u0111i\u1ec7n t\u1eed \u0111\u1ebfn b\u1ed9 t\u1ea3n nhi\u1ec7t, gi\u00fap h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<h2>V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t L\u00e0 G\u00ec?<\/h2>\n<p>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t l\u00e0 nh\u1eefng ch\u1ea5t li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng tr\u1ed1ng gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u00f3 c\u1ea5u tr\u00fac kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, nh\u01b0 gi\u1eefa vi x\u1eed l\u00fd v\u00e0 b\u1ed9 t\u1ea3n nhi\u1ec7t. Ch\u00fang c\u00f3 nhi\u1ec7m v\u1ee5 gi\u1ea3m thi\u1ec3u \u0111i\u1ec7n tr\u1edf nhi\u1ec7t v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t, gi\u00fap qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ed9 c\u1ee7a h\u1ec7 th\u1ed1ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<ul>\n<li>Ch\u1ea5t l\u1ecfng\n<ul>\n<li>D\u1ea7u silicon<\/li>\n<li>Ch\u1ea5t l\u00e0m m\u00e1t th\u1ea5m<\/li>\n<\/ul>\n<\/li>\n<li>Ch\u1ea5t r\u1eafn\n<ul>\n<li>Silicon d\u1ea1ng keo<\/li>\n<li>B\u0103ng keo nhi\u1ec7t<\/li>\n<li>B\u00e0n d\u1eabn nhi\u1ec7t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u1ee8ng D\u1ee5ng Trong \u0110i\u1ec7n T\u1eed<\/h2>\n<p>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n t\u1eed nh\u01b0:<\/p>\n<ol>\n<li><strong>M\u00e1y t\u00ednh v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 vi x\u1eed l\u00fd, chip \u0111\u1ed3 h\u1ecda v\u00e0 thi\u1ebft b\u1ecb l\u01b0u tr\u1eef, v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t gi\u00fap \u0111\u1ecbnh h\u01b0\u1edbng d\u00f2ng nhi\u1ec7t m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t.<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng:<\/strong> C\u00e1c thi\u1ebft b\u1ecb nh\u01b0 bi\u1ebfn t\u1ea7n, ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n, v\u00e0 c\u00e1c ph\u1ea7n t\u1eed c\u00f4ng su\u1ea5t kh\u00e1c c\u1ea7n s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng trong xe h\u01a1i:<\/strong> Trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed \u00f4 t\u00f4, v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t gi\u00fap duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cho c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng nh\u01b0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1, h\u1ec7 th\u1ed1ng \u0111\u00e8n LED v\u00e0 c\u1ea3m bi\u1ebfn.<\/li>\n<\/ol>\n<h2>L\u1ee3i \u00cdch c\u1ee7a V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t<\/h2>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch:<\/p>\n<ul>\n<li>C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac.<\/li>\n<li>Gi\u1ea3m thi\u1ec3u nguy c\u01a1 h\u01b0 h\u1ecfng do qu\u00e1 nhi\u1ec7t.<\/li>\n<li>T\u0103ng tu\u1ed5i th\u1ecd v\u00e0 hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a thi\u1ebft b\u1ecb.<\/li>\n<\/ul>\n<h2>C\u00f4ng Th\u1ee9c T\u00ednh To\u00e1n \u0110i\u1ec7n Tr\u1edf Nhi\u1ec7t<\/h2>\n<p>\u0110i\u1ec7n tr\u1edf nhi\u1ec7t l\u00e0 m\u1ed9t \u0111\u1ea1i l\u01b0\u1ee3ng v\u1eadt l\u00fd th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng c\u1ea3n tr\u1edf d\u00f2ng nhi\u1ec7t gi\u1eefa hai b\u1ec1 m\u1eb7t:<\/p>\n<p>\u0110i\u1ec7n tr\u1edf nhi\u1ec7t (\\(R_{th}\\)) \u0111\u01b0\u1ee3c t\u00ednh theo c\u00f4ng th\u1ee9c:<\/p>\n<p>\\(<br \/>\nR_{th} = \\frac{\\Delta T}{Q}<br \/>\n\\)<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>\\(\\Delta T\\) l\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 (t\u00ednh b\u1eb1ng \u0111\u1ed9 Celsius ho\u1eb7c Kelvin)<\/li>\n<li>\\(Q\\) l\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng truy\u1ec1n qua (t\u00ednh b\u1eb1ng Watt)<\/li>\n<\/ul>\n<p>\u0110i\u1ec7n tr\u1edf nhi\u1ec7t c\u00e0ng nh\u1ecf th\u00ec kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t c\u00e0ng t\u1ed1t.<\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. Ch\u00fang kh\u00f4ng ch\u1ec9 gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t m\u00e0 c\u00f2n gi\u1ea3m thi\u1ec3u nguy c\u01a1 h\u01b0 h\u1ecfng do qu\u00e1 nhi\u1ec7t, gi\u00fap thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n b\u1ec9 h\u01a1n. Vi\u1ec7c hi\u1ec3u r\u00f5 v\u00e0 \u00e1p d\u1ee5ng \u0111\u00fang c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y s\u1ebd gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t trong \u0110i\u1ec7n T\u1eed gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ea3n nhi\u1ec7t, b\u1ea3o v\u1ec7 c\u00e1c linh ki\u1ec7n v\u00e0 t\u0103ng tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed th\u00f4ng qua truy\u1ec1n nhi\u1ec7t hi\u1ec7u qu\u1ea3.<\/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>V\u1eadt Li\u1ec7u Giao Di\u1ec7n 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