{"id":132408,"date":"2024-06-06T14:15:09","date_gmt":"2024-06-06T06:15:09","guid":{"rendered":"https:\/\/www.alpapowder.com\/132408\/"},"modified":"2024-06-06T14:15:10","modified_gmt":"2024-06-06T06:15:10","slug":"ung-dung-co-gia-tri-cao-cua-bot-vi-silicon","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/132408\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u00f3 gi\u00e1 tr\u1ecb cao c\u1ee7a b\u1ed9t vi silicon"},"content":{"rendered":"

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B\u1ed9t silicon l\u00e0 v\u1eadt li\u1ec7u phi kim lo\u1ea1i v\u00f4 c\u01a1 kh\u00f4ng \u0111\u1ed9c h\u1ea1i, kh\u00f4ng m\u00f9i, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m, \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u1ea1ch anh t\u1ef1 nhi\u00ean (SiO2) ho\u1eb7c th\u1ea1ch anh nung ch\u1ea3y (SiO2 v\u00f4 \u0111\u1ecbnh h\u00ecnh sau khi th\u1ea1ch anh t\u1ef1 nhi\u00ean \u0111\u01b0\u1ee3c nung ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 l\u00e0m ngu\u1ed9i) th\u00f4ng qua nhi\u1ec1u qu\u00e1 tr\u00ecnh nh\u01b0 nghi\u1ec1n, nghi\u1ec1n bi (ho\u1eb7c rung, nghi\u1ec1n lu\u1ed3ng kh\u00f4ng kh\u00ed), tuy\u1ec3n n\u1ed5i, r\u1eeda v\u00e0 tinh ch\u1ebf axit, v\u00e0 x\u1eed l\u00fd n\u01b0\u1edbc c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao.<\/p>\n

1 \u1ee8ng d\u1ee5ng trong t\u1ea5m m\u1ea1 \u0111\u1ed3ng<\/p>\n

B\u1ed9t silicon<\/a> l\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n ch\u1ee9c n\u0103ng. Khi \u0111\u01b0\u1ee3c th\u00eam v\u00e0o c\u00e1c t\u1ea5m ph\u1ee7 \u0111\u1ed3ng, n\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t, \u0111\u1ed9 d\u1eabn nhi\u1ec7t, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t, kh\u1ea3 n\u0103ng ch\u1ed1ng axit v\u00e0 ki\u1ec1m (tr\u1eeb HF), ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ed1ng ch\u00e1y, \u0111\u1ed9 b\u1ec1n u\u1ed1n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1ee7a t\u1ea5m laminate, gi\u1ea3m t\u1ed1c \u0111\u1ed9 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a c\u00e1c l\u1edbp m\u1ecfng, v\u00e0 c\u1ea3i thi\u1ec7n h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i c\u1ee7a c\u00e1c l\u1edbp ph\u1ee7 \u0111\u1ed3ng. \u0110\u1ed3ng th\u1eddi, do ngu\u1ed3n nguy\u00ean li\u1ec7u th\u00f4 d\u1ed3i d\u00e0o v\u00e0 gi\u00e1 th\u00e0nh c\u1ee7a vi b\u1ed9t silicon<\/a> th\u1ea5p n\u00ean n\u00f3 c\u00f3 th\u1ec3 gi\u1ea3m gi\u00e1 th\u00e0nh c\u1ee7a t\u1ea5m c\u00e1n m\u1ecfng ph\u1ee7 \u0111\u1ed3ng n\u00ean \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00e1n t\u1ea5m ph\u1ee7 \u0111\u1ed3ng ng\u00e0y c\u00e0ng tr\u1edf n\u00ean r\u1ed9ng r\u00e3i.<\/p>\n

B\u1ed9t silicon<\/a> tinh th\u1ec3 si\u00eau m\u1ecbn<\/p>\n

K\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh c\u1ee7a b\u1ed9t silicon<\/a> si\u00eau m\u1ecbn hi\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c t\u1ea5m m\u1ea1 \u0111\u1ed3ng l\u00e0 1-10 micron. Khi ch\u1ea5t n\u1ec1n c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed ph\u00e1t tri\u1ec3n theo h\u01b0\u1edbng si\u00eau m\u1ecfng, ch\u1ea5t \u0111\u1ed9n b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf h\u01a1n. Trong t\u01b0\u01a1ng lai, t\u1ea5m laminate ph\u1ee7 \u0111\u1ed3ng s\u1ebd s\u1eed d\u1ee5ng ch\u1ea5t \u0111\u1ed9n si\u00eau m\u1ecbn v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh kho\u1ea3ng 0,5-1 micron.<\/p>\n

B\u1ed9t silicon<\/a> h\u1ee3p nh\u1ea5t<\/p>\n

B\u1ed9t silicon<\/a> h\u1ee3p nh\u1ea5t l\u00e0 m\u1ed9t lo\u1ea1i b\u1ed9t l\u00e0m t\u1eeb th\u1ea1ch anh t\u1ef1 nhi\u00ean, \u0111\u01b0\u1ee3c n\u1ea5u ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 l\u00e0m m\u00e1t b\u1eb1ng silicon dioxide v\u00f4 \u0111\u1ecbnh h\u00ecnh l\u00e0m nguy\u00ean li\u1ec7u ch\u00ednh, sau \u0111\u00f3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng m\u1ed9t quy tr\u00ecnh \u0111\u1ed9c \u0111\u00e1o. S\u1ef1 s\u1eafp x\u1ebfp c\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u1ee7a n\u00f3 thay \u0111\u1ed5i t\u1eeb s\u1ef1 s\u1eafp x\u1ebfp c\u00f3 tr\u1eadt t\u1ef1 sang s\u1ef1 s\u1eafp x\u1ebfp kh\u00f4ng c\u00f3 tr\u1eadt t\u1ef1. Do \u0111\u1ed9 tinh khi\u1ebft cao, n\u00f3 c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh h\u00f3a h\u1ecdc \u1ed5n \u0111\u1ecbnh nh\u01b0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh c\u1ef1c th\u1ea5p, b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n h\u00f3a h\u1ecdc v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t c\u00e1c t\u1ea5m m\u1ea1 \u0111\u1ed3ng t\u1ea7n s\u1ed1 cao.<\/p>\n

B\u1ed9t silicon<\/a> t\u1ed5ng h\u1ee3p<\/p>\n

B\u1ed9t vi m\u00f4 silicon<\/a> t\u1ed5ng h\u1ee3p l\u00e0 v\u1eadt li\u1ec7u b\u1ed9t silicon dioxide pha th\u1ee7y tinh \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u1ea1ch anh t\u1ef1 nhi\u00ean v\u00e0 c\u00e1c kho\u00e1ng ch\u1ea5t phi kim lo\u1ea1i v\u00f4 c\u01a1 kh\u00e1c (nh\u01b0 oxit canxi, oxit boron, oxit magi\u00ea, v.v.) th\u00f4ng qua qu\u00e1 tr\u00ecnh tr\u1ed9n, n\u1ea5u ch\u1ea3y, l\u00e0m m\u00e1t, nghi\u1ec1n, nghi\u1ec1n, ph\u00e2n lo\u1ea1i v\u00e0 c\u00e1c qu\u00e1 tr\u00ecnh kh\u00e1c. \u0110\u1ed9 c\u1ee9ng Mohs c\u1ee7a vi b\u1ed9t silicon<\/a> t\u1ed5ng h\u1ee3p l\u00e0 kho\u1ea3ng 5, th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi vi b\u1ed9t silicon nguy\u00ean ch\u1ea5t.<\/p>\n

B\u1ed9t silicon<\/a> h\u00ecnh c\u1ea7u<\/p>\n

B\u1ed9t silicon<\/a> h\u00ecnh c\u1ea7u l\u00e0 v\u1eadt li\u1ec7u vi b\u1ed9t silicon h\u00ecnh c\u1ea7u c\u00f3 c\u00e1c h\u1ea1t \u0111\u1ed3ng nh\u1ea5t, kh\u00f4ng c\u00f3 g\u00f3c nh\u1ecdn, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang nh\u1ecf, t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t, \u1ee9ng su\u1ea5t th\u1ea5p v\u00e0 m\u1eadt \u0111\u1ed9 kh\u1ed1i nh\u1ecf, \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb b\u1ed9t silicon g\u00f3c kh\u00f4ng \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ecdc l\u00e0m nguy\u00ean li\u1ec7u th\u00f4 v\u00e0 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng nhi\u1ec7t \u0111\u1ed9 cao g\u1ea7n ph\u01b0\u01a1ng ph\u00e1p n\u00f3ng ch\u1ea3y v\u00e0 g\u1ea7n h\u00ecnh c\u1ea7u.<\/p>\n

B\u1ed9t silicon<\/a> ho\u1ea1t t\u00ednh<\/p>\n

S\u1eed d\u1ee5ng vi b\u1ed9t silicon<\/a> \u0111\u01b0\u1ee3c x\u1eed l\u00fd t\u00edch c\u1ef1c l\u00e0m ch\u1ea5t \u0111\u1ed9n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a vi b\u1ed9t silicon v\u00e0 h\u1ec7 th\u1ed1ng nh\u1ef1a, \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ea9m, nhi\u1ec7t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a t\u1ea5m \u1ed1p \u0111\u1ed3ng. Hi\u1ec7n nay, c\u00e1c s\u1ea3n ph\u1ea9m vi b\u1ed9t silicon<\/a> ho\u1ea1t t\u00ednh trong n\u01b0\u1edbc kh\u00f4ng l\u00fd t\u01b0\u1edfng v\u00ec ch\u00fang ch\u1ec9 \u0111\u01b0\u1ee3c tr\u1ed9n \u0111\u01a1n gi\u1ea3n v\u1edbi c\u00e1c ch\u1ea5t li\u00ean k\u1ebft silicon. B\u1ed9t d\u1ec5 k\u1ebft t\u1ee5 khi tr\u1ed9n v\u1edbi nh\u1ef1a. Nhi\u1ec1u b\u1eb1ng s\u00e1ng ch\u1ebf n\u01b0\u1edbc ngo\u00e0i \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t x\u1eed l\u00fd t\u00edch c\u1ef1c vi b\u1ed9t silicon<\/a>.<\/p>\n

2 \u1ee8ng d\u1ee5ng trong v\u1eadt li\u1ec7u tr\u1ed3ng ch\u1eadu nh\u1ef1a epoxy cao c\u1ea5p<\/p>\n

V\u1eadt li\u1ec7u l\u00e0m b\u1ea7u nh\u1ef1a Epoxy \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong qu\u00e1 tr\u00ecnh l\u00e0m b\u1ea7u c\u1ee7a ng\u00e0nh s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. B\u1ea7u l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u l\u00e0m b\u1ea7u \u0111\u1ec3 s\u1eafp x\u1ebfp, l\u1eafp r\u00e1p, li\u00ean k\u1ebft, k\u1ebft n\u1ed1i, b\u1ecbt k\u00edn v\u00e0 b\u1ea3o v\u1ec7 h\u1ee3p l\u00fd c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n theo c\u00e1c y\u00eau c\u1ea7u quy \u0111\u1ecbnh. Ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3 l\u00e0 t\u0103ng c\u01b0\u1eddng t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 rung \u0111\u1ed9ng b\u00ean ngo\u00e0i, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong v\u00e0 m\u1ea1ch c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, tr\u00e1nh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 m\u1ea1ch b\u00ean trong c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc, ch\u1ed1ng b\u1ee5i v\u00e0 hi\u1ec7u su\u1ea5t ch\u1ed1ng \u1ea9m c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n

3 \u1ee8ng d\u1ee5ng trong khu\u00f4n nh\u1ef1a epoxy<\/p>\n

H\u1ee3p ch\u1ea5t \u0111\u00fac epoxy (EMC), c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ee3p ch\u1ea5t \u0111\u00fac nh\u1ef1a epoxy ho\u1eb7c h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy, l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t \u0111\u00fac b\u1ed9t \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb nh\u1ef1a epoxy l\u00e0m nh\u1ef1a n\u1ec1n, nh\u1ef1a phenolic hi\u1ec7u su\u1ea5t cao l\u00e0m ch\u1ea5t \u0111\u00f3ng r\u1eafn, b\u1ed9t vi silicon<\/a> v\u00e0 c\u00e1c ch\u1ea5t \u0111\u1ed9n kh\u00e1c, v\u00e0 m\u1ed9t lo\u1ea1t c\u00e1c ch\u1ea5t ph\u1ee5 gia. 97% v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i m\u1ea1ch t\u00edch h\u1ee3p (IC) to\u00e0n c\u1ea7u s\u1eed d\u1ee5ng h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy (EMC). Qu\u00e1 tr\u00ecnh \u0111\u00fac l\u00e0 \u0111\u00f9n EMC v\u00e0o m\u1ed9t khoang khu\u00f4n \u0111\u1eb7c bi\u1ec7t b\u1eb1ng c\u00e1ch \u0111\u00fac chuy\u1ec3n, nh\u00fang chip b\u00e1n d\u1eabn v\u00e0o \u0111\u00f3 v\u00e0 ho\u00e0n th\u00e0nh vi\u1ec7c li\u00ean k\u1ebft ngang v\u00e0 \u0111\u00fac khu\u00f4n \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t thi\u1ebft b\u1ecb b\u00e1n d\u1eabn c\u00f3 h\u00ecnh d\u1ea1ng c\u1ea5u tr\u00fac nh\u1ea5t \u0111\u1ecbnh. Trong th\u00e0nh ph\u1ea7n c\u1ee7a EMC, vi b\u1ed9t silicon<\/a> l\u00e0 ch\u1ea5t \u0111\u1ed9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t, chi\u1ebfm t\u1eeb 70% \u0111\u1ebfn 90% tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy.<\/p>\n","protected":false},"excerpt":{"rendered":"

B\u1ed9t silicon l\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n ch\u1ee9c n\u0103ng.<\/p>\n","protected":false},"author":7,"featured_media":132371,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-132408","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/132408"}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=132408"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/132408\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/132371"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=132408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=132408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=132408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}