{"id":2193,"date":"2026-05-15T05:22:37","date_gmt":"2026-05-15T05:22:37","guid":{"rendered":"https:\/\/www.xkh-ceramics.com\/?p=2193"},"modified":"2026-05-15T05:22:40","modified_gmt":"2026-05-15T05:22:40","slug":"semiconductor-ceramics-explained-the-functional-electronic-ceramics-transforming-modern-technology","status":"publish","type":"post","link":"https:\/\/www.xkh-ceramics.com\/vi\/semiconductor-ceramics-explained-the-functional-electronic-ceramics-transforming-modern-technology\/","title":{"rendered":"Gi\u1ea3i th\u00edch v\u1ec1 g\u1ed1m b\u00e1n d\u1eabn: Lo\u1ea1i g\u1ed1m \u0111i\u1ec7n t\u1eed ch\u1ee9c n\u0103ng \u0111ang c\u00e1ch m\u1ea1ng h\u00f3a c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i"},"content":{"rendered":"<p>G\u1ed1m b\u00e1n d\u1eabn l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u g\u1ed1m \u0111i\u1ec7n t\u1eed chuy\u00ean d\u1ee5ng, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 th\u1ec3 hi\u1ec7n t\u00ednh ch\u1ea5t b\u00e1n d\u1eabn th\u00f4ng qua qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ec9nh th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u m\u1ed9t c\u00e1ch c\u00f3 ki\u1ec3m so\u00e1t. Kh\u00e1c v\u1edbi c\u00e1c v\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n truy\u1ec1n th\u1ed1ng, c\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n c\u1ee7a ch\u00fang r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u00ean ngo\u00e0i nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u00e1nh s\u00e1ng, \u0111i\u1ec7n tr\u01b0\u1eddng, \u0111\u1ed9 \u1ea9m v\u00e0 kh\u00ed xung quanh. Kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng \u0111\u1ed9c \u0111\u00e1o n\u00e0y cho ph\u00e9p g\u1ed1m b\u00e1n d\u1eabn chuy\u1ec3n \u0111\u1ed5i nh\u1eefng thay \u0111\u1ed5i c\u1ee7a m\u00f4i tr\u01b0\u1eddng th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u1ea3m bi\u1ebfn v\u00e0 \u0111i\u1ec7n t\u1eed th\u00f4ng minh.<\/p>\n\n\n\n<p>Ng\u00e0y nay, g\u1ed1m b\u00e1n d\u1eabn \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i, h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a, gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng, thi\u1ebft b\u1ecb gia d\u1ee5ng v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 th\u00f4ng minh m\u1edbi n\u1ed5i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">G\u1ed1m b\u00e1n d\u1eabn l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>G\u1ed1m b\u00e1n d\u1eabn l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u g\u1ed1m c\u00f3 c\u00e1c h\u1ea1t v\u00e0 ranh gi\u1edbi h\u1ea1t \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 th\u1ec3 hi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh b\u00e1n d\u1eabn. M\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt l\u00e0 s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c r\u00e0o c\u1ea3n \u0111i\u1ec7n th\u1ebf giao di\u1ec7n b\u00ean trong c\u1ea5u tr\u00fac v\u1eadt li\u1ec7u, d\u1eabn \u0111\u1ebfn c\u00e1c h\u00e0nh vi \u0111i\u1ec7n \u0111\u1eb7c tr\u01b0ng.<\/p>\n\n\n\n<p>Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c ch\u1ea5t b\u00e1n d\u1eabn truy\u1ec1n th\u1ed1ng nh\u01b0 silicon, nhi\u1ec1u v\u1eadt li\u1ec7u g\u1ed1m ban \u0111\u1ea7u c\u00f3 t\u00ednh ch\u1ea5t c\u00e1ch \u0111i\u1ec7n. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng m\u1ed9t s\u1ed1 lo\u1ea1i g\u1ed1m oxit kim lo\u1ea1i c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c t\u00ednh ch\u1ea5t b\u00e1n d\u1eabn sau khi tr\u1ea3i qua c\u00e1c quy tr\u00ecnh x\u1eed l\u00fd chuy\u00ean bi\u1ec7t.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"677\" height=\"871\" src=\"https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/05\/Semiconductor-Ceramics.webp\" alt=\"\" class=\"wp-image-2194\" srcset=\"https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/05\/Semiconductor-Ceramics.webp 677w, https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/05\/Semiconductor-Ceramics-233x300.webp 233w, https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/05\/Semiconductor-Ceramics-9x12.webp 9w, https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/05\/Semiconductor-Ceramics-600x772.webp 600w\" sizes=\"(max-width: 677px) 100vw, 677px\" \/><\/figure>\n\n\n\n<p>C\u00e1c v\u1eadt li\u1ec7u nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Titanat bari (BaTiO\u2083)<\/li>\n\n\n\n<li>Titanium dioxide (TiO\u2082)<\/li>\n\n\n\n<li>\u00d4x\u00edt k\u1ebdm (ZnO)<\/li>\n<\/ul>\n\n\n\n<p>c\u00f3 th\u1ec3 tr\u1edf n\u00ean d\u1eabn \u0111i\u1ec7n sau khi b\u1ed5 sung m\u1ed9t l\u01b0\u1ee3ng r\u1ea5t nh\u1ecf c\u00e1c ch\u1ea5t ph\u1ee5 gia c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<p>\u0110i\u1ec7n tr\u1edf c\u1ee7a ch\u00fang n\u1eb1m gi\u1eefa \u0111i\u1ec7n tr\u1edf c\u1ee7a ch\u1ea5t d\u1eabn \u0111i\u1ec7n v\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n, t\u1ea1o th\u00e0nh m\u1ed9t nh\u00f3m v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 g\u1ed1m b\u00e1n d\u1eabn.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o g\u1ed1m s\u1ee9 tr\u1edf th\u00e0nh ch\u1ea5t b\u00e1n d\u1eabn<\/h2>\n\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i g\u1ed1m b\u00e1n d\u1eabn \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb c\u00e1c v\u1eadt li\u1ec7u oxit ho\u1eb7c oxit ph\u1ee9c h\u1ee3p. \u0110\u1ec3 bi\u1ebfn g\u1ed1m c\u00e1ch \u0111i\u1ec7n th\u00e0nh g\u1ed1m b\u00e1n d\u1eabn, c\u1ea7n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u tr\u00fac tinh th\u1ec3 b\u00ean trong.<\/p>\n\n\n\n<p>Hai ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn sau \u0111\u00e2y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p kh\u1eed<\/h3>\n\n\n\n<p>C\u00e1c qu\u00e1 tr\u00ecnh kh\u1eed c\u00f3 ki\u1ec3m so\u00e1t t\u1ea1o ra c\u00e1c l\u1ed7 tr\u1ed1ng oxy v\u00e0 khuy\u1ebft t\u1eadt c\u1ea5u tr\u00fac b\u00ean trong m\u1ea1ng tinh th\u1ec3 g\u1ed1m. Nh\u1eefng khuy\u1ebft t\u1eadt n\u00e0y t\u1ea1o ra c\u00e1c h\u1ea1t mang \u0111i\u1ec7n t\u1ef1 do v\u00e0 l\u00e0m t\u0103ng \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1eeda \u0111\u1ed5i quy \u0111\u1ecbnh v\u1ec1 doping<\/h3>\n\n\n\n<p>Vi\u1ec7c \u0111\u01b0a v\u00e0o m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf c\u00e1c oxit kim lo\u1ea1i \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn s\u1ebd l\u00e0m thay \u0111\u1ed5i c\u1ea5u tr\u00fac \u0111i\u1ec7n t\u1eed c\u1ee7a v\u1eadt li\u1ec7u, t\u1ea1o ra s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng \u0111i\u1ec7n t\u00edch v\u00e0 gi\u00fap v\u1eadt li\u1ec7u th\u1ec3 hi\u1ec7n t\u00ednh ch\u1ea5t b\u00e1n d\u1eabn.<\/p>\n\n\n\n<p>C\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ec1u t\u1ea1o ra c\u00e1c l\u1ed7 tr\u1ed1ng ion v\u00e0 khuy\u1ebft t\u1eadt tinh th\u1ec3, t\u1eeb \u0111\u00f3 sinh ra c\u00e1c electron d\u1eabn \u0111i\u1ec7n b\u00ean trong c\u00e1c h\u1ea1t g\u1ed1m.<\/p>\n\n\n\n<p>C\u1ea5u tr\u00fac vi m\u00f4 thu \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh hi\u1ec7u su\u1ea5t \u0111i\u1ec7n v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed9 nh\u1ea1y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i ch\u00ednh c\u1ee7a g\u1ed1m b\u00e1n d\u1eabn<\/h2>\n\n\n\n<p>D\u1ef1a tr\u00ean ph\u1ea3n \u1ee9ng c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi c\u00e1c k\u00edch th\u00edch t\u1eeb m\u00f4i tr\u01b0\u1eddng, g\u1ed1m b\u00e1n d\u1eabn n\u00f3i chung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh m\u1ed9t s\u1ed1 lo\u1ea1i ch\u1ee9c n\u0103ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>G\u1ed1m nh\u1ea1y s\u00e1ng<\/li>\n\n\n\n<li>G\u1ed1m nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t<\/li>\n\n\n\n<li>G\u1ed1m varistor<\/li>\n\n\n\n<li>G\u1ed1m s\u1ee9 nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ed9 \u1ea9m<\/li>\n\n\n\n<li>G\u1ed1m nh\u1ea1y c\u1ea3m v\u1edbi kh\u00ed<\/li>\n<\/ul>\n\n\n\n<p>M\u1ed7i danh m\u1ee5c ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch c\u00f4ng ngh\u1ec7 kh\u00e1c nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">G\u1ed1m b\u00e1n d\u1eabn nh\u1ea1y s\u00e1ng<\/h2>\n\n\n\n<p>C\u00e1c v\u1eadt li\u1ec7u g\u1ed1m nh\u1ea1y s\u00e1ng c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng trong d\u1ea3i b\u01b0\u1edbc s\u00f3ng r\u1ed9ng, t\u1eeb v\u00f9ng tia c\u1ef1c t\u00edm \u0111\u1ebfn v\u00f9ng h\u1ed3ng ngo\u1ea1i.<\/p>\n\n\n\n<p>Khi ti\u1ebfp x\u00fac v\u1edbi \u00e1nh s\u00e1ng:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>C\u00e1c photon t\u01b0\u01a1ng t\u00e1c v\u1edbi v\u1eadt li\u1ec7u<\/li>\n\n\n\n<li>S\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n<\/li>\n\n\n\n<li>T\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c<\/li>\n<\/ol>\n\n\n\n<p>C\u00e1c v\u1eadt li\u1ec7u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n v\u00e0 c\u1ea3m bi\u1ebfn quang h\u1ecdc.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c \u1ee9ng d\u1ee5ng bao g\u1ed3m:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110i\u1ec1u khi\u1ec3n chi\u1ebfu s\u00e1ng t\u1ef1 \u0111\u1ed9ng<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng ph\u01a1i s\u00e1ng m\u00e1y \u1ea3nh<\/li>\n\n\n\n<li>\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng nh\u00e0 th\u00f4ng minh<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb vi\u1ec5n th\u00e1m<\/li>\n<\/ul>\n\n\n\n<p>M\u1ed9t \u1ee9ng d\u1ee5ng quan tr\u1ecdng l\u00e0 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/p>\n\n\n\n<p>C\u00e1c v\u1eadt li\u1ec7u g\u1ed1m nh\u1ea1y s\u00e1ng g\u00f3p ph\u1ea7n v\u00e0o s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 quang \u0111i\u1ec7n, c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi th\u00e0nh \u0111i\u1ec7n n\u0103ng, t\u1eeb \u0111\u00f3 h\u1ed7 tr\u1ee3 ph\u00e1t tri\u1ec3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">G\u1ed1m b\u00e1n d\u1eabn nh\u1ea1y nhi\u1ec7t<\/h2>\n\n\n\n<p>G\u1ed1m nhi\u1ec7t nh\u1ea1y c\u1ea3m c\u00f3 \u0111i\u1ec7n tr\u1edf thay \u0111\u1ed5i theo s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a nhi\u1ec7t \u0111\u1ed9.<\/p>\n\n\n\n<p>C\u00e1c v\u1eadt li\u1ec7u n\u00e0y l\u00e0 th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a nhi\u1ec7t \u0111i\u1ec7n tr\u1edf, th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u1ea3m bi\u1ebfn nhi\u1ec7t c\u00f3 h\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 d\u01b0\u01a1ng (PTC)<\/li>\n\n\n\n<li>C\u1ea3m bi\u1ebfn nhi\u1ec7t c\u00f3 h\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 \u00e2m (NTC)<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb \u0111i\u1ec7n tr\u1edf nhi\u1ec7t \u0111\u1ed9 t\u1edbi h\u1ea1n (CTR)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c \u01b0u \u0111i\u1ec3m ch\u00ednh bao g\u1ed3m:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u1ea3i nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t \u0111\u1ed9 r\u1ed9ng<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng thu nh\u1ecf tuy\u1ec7t v\u1eddi<\/li>\n\n\n\n<li>\u0110\u1ed9 ch\u00ednh x\u00e1c cao<\/li>\n\n\n\n<li>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i t\u1ed1t<\/li>\n<\/ul>\n\n\n\n<p>M\u1ed9t s\u1ed1 nhi\u1ec7t \u0111i\u1ec7n tr\u1edf thu nh\u1ecf c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n c\u1ea3 m\u1ed9t ph\u1ea7n ngh\u00ecn milimet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng g\u1ed1m PTC<\/h3>\n\n\n\n<p>C\u00e1c c\u1ea3m bi\u1ebfn nhi\u1ec7t PTC s\u1ebd t\u0103ng \u0111i\u1ec7n tr\u1edf khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng.<\/p>\n\n\n\n<p>C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng qu\u00e1 nhi\u1ec7t<\/li>\n\n\n\n<li>B\u1ed9 gia nhi\u1ec7t nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb s\u01b0\u1edfi \u1ea5m gia \u0111\u00ecnh<\/li>\n<\/ul>\n\n\n\n<p>Nh\u1edd \u0111\u1eb7c t\u00ednh t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9, c\u00f4ng ngh\u1ec7 s\u01b0\u1edfi \u1ea5m b\u1eb1ng g\u1ed1m PTC mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>l\u00e0m n\u00f3ng nhanh<\/li>\n\n\n\n<li>c\u00e1c khu v\u1ef1c s\u01b0\u1edfi \u1ea5m r\u1ed9ng<\/li>\n\n\n\n<li>t\u0103ng c\u01b0\u1eddng an to\u00e0n<\/li>\n\n\n\n<li>ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng c\u00f3 ng\u1ecdn l\u1eeda<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng g\u1ed1m NTC<\/h3>\n\n\n\n<p>C\u00e1c nhi\u1ec7t \u0111i\u1ec7n tr\u1edf NTC c\u00f3 \u0111\u1eb7c t\u00ednh ng\u01b0\u1ee3c l\u1ea1i: \u0111i\u1ec7n tr\u1edf gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng.<\/p>\n\n\n\n<p>C\u00e1c \u1ee9ng d\u1ee5ng bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed<\/li>\n\n\n\n<li>thi\u1ebft b\u1ecb s\u01b0\u1edfi \u1ea5m<\/li>\n\n\n\n<li>nhi\u1ec7t k\u1ebf k\u1ef9 thu\u1eadt s\u1ed1<\/li>\n\n\n\n<li>gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9 pin<\/li>\n\n\n\n<li>thi\u1ebft b\u1ecb y t\u1ebf \u0111i\u1ec7n t\u1eed<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 g\u1ed1m hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u1eddi gian ph\u1ea3n h\u1ed3i nhanh v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, cho ph\u00e9p \u0111o nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3 ch\u1ec9 trong v\u00e0i gi\u00e2y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">G\u1ed1m varistor d\u00f9ng trong b\u1ea3o v\u1ec7 m\u1ea1ch \u0111i\u1ec7n<\/h2>\n\n\n\n<p>G\u1ed1m varistor l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u b\u00e1n d\u1eabn c\u00f3 \u0111i\u1ec7n tr\u1edf thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 theo \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng.<\/p>\n\n\n\n<p>Ph\u1ea3n \u1ee9ng \u0111i\u1ec7n c\u1ee7a ch\u00fang mang t\u00ednh phi tuy\u1ebfn r\u1ea5t cao.<\/p>\n\n\n\n<p>Trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>m\u1ee9c \u0111\u1ed9 kh\u00e1ng c\u1ef1 v\u1eabn \u1edf m\u1ee9c r\u1ea5t cao<\/li>\n\n\n\n<li>D\u00f2ng \u0111i\u1ec7n r\u1ea5t nh\u1ecf<\/li>\n<\/ul>\n\n\n\n<p>Trong tr\u01b0\u1eddng h\u1ee3p \u0111i\u1ec7n \u00e1p t\u0103ng \u0111\u1ed9t ng\u1ed9t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0111\u1ed9 kh\u00e1ng gi\u1ea3m nhanh ch\u00f3ng<\/li>\n\n\n\n<li>d\u00f2ng \u0111i\u1ec7n d\u01b0 th\u1eeba \u0111\u01b0\u1ee3c chuy\u1ec3n h\u01b0\u1edbng<\/li>\n\n\n\n<li>\u0111i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng tr\u1edf l\u1ea1i b\u00ecnh th\u01b0\u1eddng<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1eb7c t\u00ednh n\u00e0y khi\u1ebfn g\u1ed1m varistor tr\u1edf th\u00e0nh c\u00e1c linh ki\u1ec7n b\u1ea3o v\u1ec7 kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/p>\n\n\n\n<p>C\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t<\/li>\n\n\n\n<li>b\u1ed9 tri\u1ec7t \u00e1p tho\u00e1ng qua<\/li>\n\n\n\n<li>h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t<\/li>\n\n\n\n<li>c\u00e1c linh ki\u1ec7n an to\u00e0n cho m\u1ea1ch \u0111i\u1ec7n t\u1eed<\/li>\n<\/ul>\n\n\n\n<p>M\u1ed9t s\u1ed1 lo\u1ea1i v\u1eadt li\u1ec7u g\u1ed1m \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 nh\u1edd c\u00e1c \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n tuy\u1ec7t v\u1eddi v\u00e0 \u0111\u1ed9 tin c\u1eady cao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">G\u1ed1m b\u00e1n d\u1eabn nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ed9 \u1ea9m<\/h2>\n\n\n\n<p>C\u00e1c c\u1ea3m bi\u1ebfn g\u1ed1m nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ed9 \u1ea9m ph\u00e1t hi\u1ec7n nh\u1eefng thay \u0111\u1ed5i v\u1ec1 m\u1ee9c \u0111\u1ed9 \u1ea9m trong m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n<p>Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ecd d\u1ef1a tr\u00ean:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>s\u1ef1 h\u1ea5p ph\u1ee5 c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc<\/li>\n\n\n\n<li>s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n b\u1ec1 m\u1eb7t<\/li>\n\n\n\n<li>s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a \u0111i\u1ec7n dung<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c c\u1ea5u tr\u00fac g\u1ed1m x\u1ed1p c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn v\u00e0 c\u00e1c k\u00eanh mao d\u1eabn gi\u00fap d\u1ec5 d\u00e0ng h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m.<\/p>\n\n\n\n<p>C\u00e1c c\u1ea3m bi\u1ebfn n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed<\/li>\n\n\n\n<li>thi\u1ebft b\u1ecb gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng<\/li>\n\n\n\n<li>thi\u1ebft b\u1ecb gia d\u1ee5ng th\u00f4ng minh<\/li>\n\n\n\n<li>h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed trong nh\u00e0<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c c\u00f4ng ngh\u1ec7 ki\u1ec3m so\u00e1t \u0111\u1ed9 \u1ea9m hi\u1ec7n \u0111\u1ea1i gi\u00fap n\u00e2ng cao s\u1ef1 tho\u1ea3i m\u00e1i \u0111\u1ed3ng th\u1eddi t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">G\u1ed1m b\u00e1n d\u1eabn nh\u1ea1y c\u1ea3m v\u1edbi kh\u00ed<\/h2>\n\n\n\n<p>C\u00e1c c\u1ea3m bi\u1ebfn g\u1ed1m nh\u1ea1y c\u1ea3m v\u1edbi kh\u00ed ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch h\u1ea5p ph\u1ee5 c\u00f3 ch\u1ecdn l\u1ecdc c\u00e1c lo\u1ea1i kh\u00ed m\u1ee5c ti\u00eau.<\/p>\n\n\n\n<p>S\u1ef1 t\u01b0\u01a1ng t\u00e1c v\u1edbi kh\u00ed l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n c\u1ee7a v\u1eadt li\u1ec7u, cho ph\u00e9p ph\u00e1t hi\u1ec7n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>th\u00e0nh ph\u1ea7n kh\u00ed<\/li>\n\n\n\n<li>m\u1ee9c \u0111\u1ed9 n\u1ed3ng \u0111\u1ed9<\/li>\n\n\n\n<li>c\u00e1c nguy c\u01a1 m\u00f4i tr\u01b0\u1eddng<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c \u1ee9ng d\u1ee5ng bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n c\u1ed3n<\/li>\n\n\n\n<li>h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed<\/li>\n\n\n\n<li>c\u1ea3m bi\u1ebfn an to\u00e0n c\u00f4ng nghi\u1ec7p<\/li>\n\n\n\n<li>thi\u1ebft b\u1ecb b\u00e1o kh\u00f3i<\/li>\n\n\n\n<li>h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y<\/li>\n<\/ul>\n\n\n\n<p>Nhi\u1ec1u h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n ch\u00e1y \u0111\u01b0\u1ee3c trang b\u1ecb c\u1ea3 c\u1ea3m bi\u1ebfn kh\u00ed v\u00e0 c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 nh\u1eb1m n\u00e2ng cao \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng nhanh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tri\u1ec3n v\u1ecdng t\u01b0\u01a1ng lai c\u1ee7a g\u1ed1m b\u00e1n d\u1eabn<\/h2>\n\n\n\n<p>G\u1ed1m b\u00e1n d\u1eabn l\u00e0 s\u1ef1 giao thoa \u0111\u1ed9c \u0111\u00e1o gi\u1eefa khoa h\u1ecdc v\u1eadt li\u1ec7u v\u00e0 \u0111i\u1ec7n t\u1eed th\u00f4ng minh.<\/p>\n\n\n\n<p>Khi c\u00e1c c\u00f4ng ngh\u1ec7 c\u1ea3m bi\u1ebfn ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u00e2u r\u1ed9ng v\u00e0o cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y, nhu c\u1ea7u v\u1ec1 c\u00e1c v\u1eadt li\u1ec7u \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau ch\u00ed sau \u0111\u00e2y ti\u1ebfp t\u1ee5c gia t\u0103ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0111\u1ed9 nh\u1ea1y cao h\u01a1n<\/li>\n\n\n\n<li>k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n<\/li>\n\n\n\n<li>ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p h\u01a1n<\/li>\n\n\n\n<li>\u0111\u1ed9 tin c\u1eady cao h\u01a1n<\/li>\n\n\n\n<li>t\u00edch h\u1ee3p \u0111a ch\u1ee9c n\u0103ng<\/li>\n<\/ul>\n\n\n\n<p>T\u1eeb nh\u00e0 th\u00f4ng minh v\u00e0 thi\u1ebft b\u1ecb y t\u1ebf \u0111\u1ebfn t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p v\u00e0 gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng, g\u1ed1m b\u00e1n d\u1eabn \u0111ang tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u n\u1ec1n t\u1ea3ng kh\u00f4ng th\u1ec3 thi\u1ebfu cho c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed th\u1ebf h\u1ec7 m\u1edbi.<\/p>\n\n\n\n<p>Kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i th\u00f4ng tin m\u00f4i tr\u01b0\u1eddng th\u00e0nh th\u00f4ng tin \u0111i\u1ec7n t\u1eed c\u1ee7a ch\u00fang \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang s\u1ebd ti\u1ebfp t\u1ee5c l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 tr\u1ecdng \u0111i\u1ec3m trong nh\u1eefng n\u0103m t\u1edbi.<\/p>","protected":false},"excerpt":{"rendered":"<p>Semiconductor ceramics are a specialized class of electronic ceramic materials engineered to exhibit semiconductor behavior through controlled material modification. Unlike traditional conductive materials, their electrical properties are highly sensitive to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2194,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[53,287,280,282,281,279,283,285,286,251,278,284],"class_list":["post-2193","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-advanced-materials","tag-ceramic-sensors","tag-electronic-ceramics","tag-functional-ceramics","tag-gas-sensors","tag-humidity-sensors","tag-ntc-thermistor","tag-photosensitive-ceramics","tag-ptc-thermistor","tag-semiconductor-ceramics","tag-thermistors","tag-varistor-ceramics"],"_links":{"self":[{"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/posts\/2193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/comments?post=2193"}],"version-history":[{"count":1,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/posts\/2193\/revisions"}],"predecessor-version":[{"id":2195,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/posts\/2193\/revisions\/2195"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/media\/2194"}],"wp:attachment":[{"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/media?parent=2193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/categories?post=2193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/tags?post=2193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}