{"id":135299,"date":"2024-12-09T10:53:46","date_gmt":"2024-12-09T02:53:46","guid":{"rendered":"https:\/\/www.alpapowder.com\/135299\/"},"modified":"2024-12-09T10:53:47","modified_gmt":"2024-12-09T02:53:47","slug":"nhom-nitride-vat-lieu-nen-thoi-trang-nhat","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/135299\/","title":{"rendered":"Nh\u00f4m Nitride – v\u1eadt li\u1ec7u n\u1ec1n th\u1eddi trang nh\u1ea5t"},"content":{"rendered":"

\"\"<\/p>\n

T\u1eeb \u0111\u1ea7u th\u1ebf k\u1ef7 21, v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a c\u00f4ng ngh\u1ec7 \u0111i\u1ec7n t\u1eed, m\u1ee9c \u0111\u1ed9 t\u00edch h\u1ee3p v\u00e0 m\u1eadt \u0111\u1ed9 l\u1eafp r\u00e1p c\u1ee7a c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed \u0111\u00e3 li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 t\u1ea3n nhi\u1ec7t \u0111\u00e3 tr\u1edf th\u00e0nh ch\u00eca kh\u00f3a \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n

Ch\u1ea5t n\u1ec1n \u0111\u00f3ng g\u00f3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n nhi\u1ec7t t\u1eeb chip (ngu\u1ed3n nhi\u1ec7t) \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c trao \u0111\u1ed5i nhi\u1ec7t v\u1edbi m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch t\u1ea3n nhi\u1ec7t. Trong s\u1ed1 \u0111\u00f3, v\u1eadt li\u1ec7u g\u1ed1m \u0111\u00e3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn cho ch\u1ea5t n\u1ec1n \u0111\u00f3ng g\u00f3i thi\u1ebft b\u1ecb \u0111i\u1ec7n do \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t, c\u00e1ch \u0111i\u1ec7n cao, \u0111\u1ed9 b\u1ec1n cao v\u00e0 ph\u00f9 h\u1ee3p nhi\u1ec7t v\u1edbi v\u1eadt li\u1ec7u chip.<\/p>\n

Hi\u1ec7n nay, nhu c\u1ea7u v\u1ec1 ch\u1ea5t n\u1ec1n nh\u00f4m nitride trong c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn \u0111i\u1ec7n, m\u1ea1ch \u0111i\u1ec7n t\u00edch h\u1ee3p lai, \u0103ng ten trong ng\u00e0nh truy\u1ec1n th\u00f4ng, r\u01a1 le r\u1eafn, \u0111\u00e8n LED c\u00f4ng su\u1ea5t, \u0111\u00f3ng g\u00f3i \u0111a chip (MCM) v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c \u0111ang t\u0103ng l\u00ean. Th\u1ecb tr\u01b0\u1eddng \u0111\u1ea7u cu\u1ed1i c\u1ee7a n\u00f3 l\u00e0 \u0111i\u1ec7n t\u1eed \u00f4 t\u00f4, \u0111\u00e8n LED, v\u1eadn t\u1ea3i \u0111\u01b0\u1eddng s\u1eaft, tr\u1ea1m g\u1ed1c truy\u1ec1n th\u00f4ng, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 qu\u1ed1c ph\u00f2ng qu\u00e2n s\u1ef1.<\/p>\n

1. \u0102ng ten<\/p>\n

\u0102ng ten c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i s\u00f3ng d\u1eabn truy\u1ec1n tr\u00ean \u0111\u01b0\u1eddng truy\u1ec1n th\u00e0nh s\u00f3ng \u0111i\u1ec7n t\u1eeb truy\u1ec1n trong kh\u00f4ng gian t\u1ef1 do ho\u1eb7c chuy\u1ec3n \u0111\u1ed5i s\u00f3ng \u0111i\u1ec7n t\u1eeb th\u00e0nh s\u00f3ng d\u1eabn. B\u1ea3n ch\u1ea5t c\u1ee7a n\u00f3 l\u00e0 m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i. Anten c\u00f3 nhi\u1ec1u c\u00f4ng d\u1ee5ng v\u00e0 c\u1ea7n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng trong m\u1ecdi m\u00f4i tr\u01b0\u1eddng. Do \u0111\u00f3, c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a ch\u00fang c\u1ea7n c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 c\u1ef1c k\u1ef3 \u0111\u00e1ng tin c\u1eady. C\u00e1c bo m\u1ea1ch th\u00f4ng th\u01b0\u1eddng kh\u00f4ng th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u c\u01a1 b\u1ea3n n\u00e0y c\u1ee7a anten. Hi\u1ec7n t\u1ea1i, bo m\u1ea1ch g\u1ed1c g\u1ed1m l\u00e0 g\u1ea7n nh\u1ea5t v\u1edbi c\u00e1c y\u00eau c\u1ea7u c\u1ee7a anten v\u1ec1 m\u1ecdi m\u1eb7t. Trong s\u1ed1 \u0111\u00f3, bo m\u1ea1ch g\u1ed1c g\u1ed1m AlN c\u00f3 hi\u1ec7u su\u1ea5t t\u1ed1t nh\u1ea5t, ch\u1ee7 y\u1ebfu th\u1ec3 hi\u1ec7n \u1edf:<\/p>\n

(1) H\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i nh\u1ecf, gi\u00fap gi\u1ea3m t\u1ed5n th\u1ea5t t\u1ea7n s\u1ed1 cao v\u00e0 cho ph\u00e9p truy\u1ec1n t\u00edn hi\u1ec7u ho\u00e0n to\u00e0n.<\/p>\n

(2) L\u1edbp m\u00e0ng kim lo\u1ea1i c\u00f3 \u0111i\u1ec7n tr\u1edf th\u1ea5p v\u00e0 \u0111\u1ed9 b\u00e1m d\u00ednh t\u1ed1t. L\u1edbp kim lo\u1ea1i c\u00f3 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n t\u1ed1t v\u00e0 t\u1ecfa \u00edt nhi\u1ec7t h\u01a1n khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua.<\/p>\n

(3) Bo m\u1ea1ch g\u1ed1c g\u1ed1m c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n t\u1ed1t. Anten t\u1ea1o ra \u0111i\u1ec7n \u00e1p cao trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng v\u00e0 c\u00e1c ch\u1ea5t n\u1ec1n g\u1ed1m c\u00f3 \u0111i\u1ec7n \u00e1p \u0111\u00e1nh th\u1ee7ng cao.<\/p>\n

(4) C\u00f3 th\u1ec3 \u0111\u00f3ng g\u00f3i m\u1eadt \u0111\u1ed9 cao.<\/p>\n

2. M\u00f4-\u0111un \u0111a chip (MCM)<\/p>\n

M\u00f4-\u0111un \u0111a chip l\u00e0 linh ki\u1ec7n vi \u0111i\u1ec7n t\u1eed ti\u00ean ti\u1ebfn hi\u1ec7u su\u1ea5t cao, \u0111\u1ed9 tin c\u1eady cao v\u00e0 thu nh\u1ecf c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, qu\u00e2n s\u1ef1, v.v. V\u1edbi s\u1ef1 gia t\u0103ng c\u00f4ng su\u1ea5t linh ki\u1ec7n v\u00e0 t\u0103ng m\u1eadt \u0111\u1ed9 \u0111\u00f3ng g\u00f3i, t\u1ea3n nhi\u1ec7t t\u1ed1t l\u00e0 c\u00f4ng ngh\u1ec7 ch\u00ednh c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t. V\u1eadt li\u1ec7u n\u1ec1n \u0111\u00f3ng g\u00f3i lo\u1ea1i MCM-C th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac g\u1ed1m nhi\u1ec1u l\u1edbp.<\/p>\n

3. \u0110\u00f3ng g\u00f3i b\u00e1n d\u1eabn nhi\u1ec7t \u0111\u1ed9 cao<\/p>\n

C\u00e1c thi\u1ebft b\u1ecb v\u1eadt li\u1ec7u b\u00e1n d\u1eabn b\u0103ng r\u1ed9ng d\u1ef1a tr\u00ean SiC, GaN v\u00e0 kim c\u01b0\u01a1ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao, \u0111\u1eb7c bi\u1ec7t SiC c\u00f3 c\u00f4ng ngh\u1ec7 \u1ee9ng d\u1ee5ng tr\u01b0\u1edfng th\u00e0nh nh\u1ea5t; SiC c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao 600\u00b0C v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi, \u0111\u00f3ng vai tr\u00f2 c\u1ef1c k\u1ef3 quan tr\u1ecdng trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed nhi\u1ec7t \u0111\u1ed9 cao trong l\u0129nh v\u1ef1c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5.<\/p>\n

4. M\u00f4-\u0111un b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t<\/p>\n

M\u00f4-\u0111un b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i th\u00e0nh m\u1ed9t theo m\u1ed9t ki\u1ec3u m\u1eabu v\u00e0 s\u1ef1 k\u1ebft h\u1ee3p ch\u1ee9c n\u0103ng nh\u1ea5t \u0111\u1ecbnh. M\u00f4-\u0111un b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c linh ki\u1ec7n ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u00f3ng g\u00f3i theo c\u00e1c ch\u1ee9c n\u0103ng c\u1ea7n thi\u1ebft. C\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn l\u00e0 b\u00f3ng b\u00e1n d\u1eabn l\u01b0\u1ee1ng c\u1ef1c c\u1ed5ng c\u00e1ch \u0111i\u1ec7n, b\u00f3ng b\u00e1n d\u1eabn hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng kim lo\u1ea1i oxit c\u00f4ng su\u1ea5t v\u00e0 m\u1ea1ch t\u00edch h\u1ee3p c\u00f4ng su\u1ea5t. C\u00e1c m\u00f4-\u0111un b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t c\u00f3 y\u00eau c\u1ea7u t\u1ea3n nhi\u1ec7t r\u1ea5t cao. B\u1ea3ng m\u1ea1ch g\u1ed1m l\u00e0 m\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i ch\u00ednh c\u1ee7a ch\u00fang v\u00e0 l\u00e0 \u0111i\u1ec3m ti\u1ebfp x\u00fac nhi\u1ec7t \u0111\u1ea7u ti\u00ean.<\/p>\n

5. Bao b\u00ec LED c\u00f4ng su\u1ea5t<\/p>\n

LED l\u00e0 chip b\u00e1n d\u1eabn chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n th\u00e0nh \u00e1nh s\u00e1ng. Nghi\u00ean c\u1ee9u khoa h\u1ecdc cho th\u1ea5y ch\u1ec9 c\u00f3 20%-30% n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i hi\u1ec7u qu\u1ea3 th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng v\u00e0 ph\u1ea7n c\u00f2n l\u1ea1i b\u1ecb m\u1ea5t d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t. N\u1ebfu kh\u00f4ng c\u00f3 c\u00e1ch th\u00edch h\u1ee3p \u0111\u1ec3 t\u1ea3n nhi\u1ec7t nhanh ch\u00f3ng, nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u00e8n s\u1ebd t\u0103ng m\u1ea1nh, d\u1eabn \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u00e8n LED gi\u1ea3m \u0111\u00e1ng k\u1ec3.<\/p>\n

V\u1edbi s\u1ef1 n\u00e2ng c\u1ea5p li\u00ean t\u1ee5c c\u1ee7a c\u00f4ng ngh\u1ec7 ng\u00e0nh th\u00f4ng tin \u0111i\u1ec7n t\u1eed, vi\u1ec7c thu nh\u1ecf v\u00e0 t\u00edch h\u1ee3p ch\u1ee9c n\u0103ng c\u1ee7a ch\u1ea5t n\u1ec1n PCB \u0111\u00e3 tr\u1edf th\u00e0nh xu h\u01b0\u1edbng. Y\u00eau c\u1ea7u c\u1ee7a th\u1ecb tr\u01b0\u1eddng v\u1ec1 t\u1ea3n nhi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a ch\u1ea5t n\u1ec1n t\u1ea3n nhi\u1ec7t v\u00e0 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i kh\u00f4ng ng\u1eebng t\u0103ng l\u00ean. R\u1ea5t kh\u00f3 \u0111\u1ec3 c\u00e1c v\u1eadt li\u1ec7u ch\u1ea5t n\u1ec1n th\u00f4ng th\u01b0\u1eddng c\u00f3 hi\u1ec7u su\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i cao \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u c\u1ee7a th\u1ecb tr\u01b0\u1eddng. S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ea5t n\u1ec1n g\u1ed1m nh\u00f4m nitride \u0111\u00e3 m\u1edf ra nhi\u1ec1u c\u01a1 h\u1ed9i. Do \u0111\u00f3, nh\u00f4m nitride \u0111\u00e3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u ch\u1ea5t n\u1ec1n \u0111\u00f3ng g\u00f3i ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay.<\/p>\n","protected":false},"excerpt":{"rendered":"

V\u1edbi s\u1ef1 n\u00e2ng c\u1ea5p li\u00ean t\u1ee5c c\u1ee7a c\u00f4ng ngh\u1ec7 ng\u00e0nh th\u00f4ng tin \u0111i\u1ec7n t\u1eed, vi\u1ec7c thu nh\u1ecf v\u00e0 t\u00edch h\u1ee3p ch\u1ee9c n\u0103ng c\u1ee7a ch\u1ea5t n\u1ec1n PCB \u0111\u00e3 tr\u1edf th\u00e0nh xu h\u01b0\u1edbng.<\/p>\n","protected":false},"author":7,"featured_media":135263,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-135299","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\/135299","targetHints":{"allow":["GET"]}}],"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=135299"}],"version-history":[{"count":1,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/135299\/revisions"}],"predecessor-version":[{"id":135300,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/135299\/revisions\/135300"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/135263"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=135299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=135299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=135299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}