{"id":1846,"date":"2025-08-08T05:55:26","date_gmt":"2025-08-08T05:55:26","guid":{"rendered":"https:\/\/nbaem.com\/?p=1846"},"modified":"2025-08-08T06:01:11","modified_gmt":"2025-08-08T06:01:11","slug":"magnets-used-in-electronics-and-computers","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/magnets-used-in-electronics-and-computers\/","title":{"rendered":"Nam ch\u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec7n t\u1eed v\u00e0 m\u00e1y t\u00ednh H\u01b0\u1edbng d\u1eabn hi\u1ec7u su\u1ea5t cao"},"content":{"rendered":"<p>N\u1ebfu b\u1ea1n t\u1eebng t\u1ef1 h\u1ecfi t\u1ea1i sao <strong>nam ch\u00e2m l\u1ea1i quan tr\u1ecdng trong \u0111i\u1ec7n t\u1eed v\u00e0 m\u00e1y t\u00ednh<\/strong>, b\u1ea1n kh\u00f4ng \u0111\u01a1n \u0111\u1ed9c. Nh\u1eefng th\u00e0nh ph\u1ea7n nh\u1ecf b\u00e9 nh\u01b0ng m\u1ea1nh m\u1ebd n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u1edbn trong m\u1ecdi th\u1ee9 t\u1eeb loa trong \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh c\u1ee7a b\u1ea1n \u0111\u1ebfn \u1ed5 c\u1ee9ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. Hi\u1ec3u c\u00e1c lo\u1ea1i <strong>nam ch\u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec7n t\u1eed v\u00e0 m\u00e1y t\u00ednh<\/strong>, v\u1eadt li\u1ec7u c\u1ee7a ch\u00fang, v\u00e0 ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3 c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i th\u1ebf th\u1ef1c s\u1ef1 cho b\u1ea1n\u2014d\u00f9 b\u1ea1n l\u00e0 ng\u01b0\u1eddi \u0111am m\u00ea c\u00f4ng ngh\u1ec7, k\u1ef9 s\u01b0 hay nh\u00e0 ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m.<\/p>\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd kh\u00e1m ph\u00e1 c\u00e1ch c\u00e1c <strong>v\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/strong> nh\u01b0 neodymium v\u00e0 ferrite l\u00e0m cho thi\u1ebft b\u1ecb tr\u1edf n\u00ean hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n. Th\u00eam v\u00e0o \u0111\u00f3, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u t\u1ea1i sao vi\u1ec7c ch\u1ecdn \u0111\u00fang <strong>nh\u00e0 cung c\u1ea5p nam ch\u00e2m<\/strong> l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed5i m\u1edbi s\u1ea3n ph\u1ea9m. S\u1eb5n s\u00e0ng \u0111\u1ec3 kh\u00e1m ph\u00e1 vai tr\u00f2 thi\u1ebft y\u1ebfu c\u1ee7a nam ch\u00e2m trong th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7 cao ng\u00e0y nay ch\u01b0a? H\u00e3y b\u1eaft \u0111\u1ea7u v\u00e0 xem \u0111i\u1ec1u g\u00ec l\u00e0m cho c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh n\u00e0y tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/p>\n<h2>Hi\u1ec3u v\u1ec1 Nam ch\u00e2m v\u00e0 V\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/h2>\n<p>Khi b\u1ea1n ngh\u0129 v\u1ec1 nam ch\u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec7n t\u1eed v\u00e0 m\u00e1y t\u00ednh, \u0111i\u1ec1u g\u00ec xu\u1ea5t hi\u1ec7n trong \u0111\u1ea7u b\u1ea1n? T\u1ea5t c\u1ea3 nam ch\u00e2m \u0111\u1ec1u gi\u1ed1ng nhau sao? Kh\u00f4ng h\u1eb3n v\u1eady. H\u00e3y ph\u00e2n t\u00edch \u0111\u01a1n gi\u1ea3n.<\/p>\n<h3>Nam ch\u00e2m v\u00e0 c\u00e1c lo\u1ea1i c\u1ee7a ch\u00fang<\/h3>\n<p>Nam ch\u00e2m l\u00e0 c\u00e1c v\u1eadt li\u1ec7u t\u1ea1o ra tr\u01b0\u1eddng t\u1eeb, c\u00f3 th\u1ec3 h\u00fat ho\u1eb7c \u0111\u1ea9y c\u00e1c kim lo\u1ea1i nh\u1ea5t \u0111\u1ecbnh. C\u00f3 ba lo\u1ea1i nam ch\u00e2m ch\u00ednh b\u1ea1n s\u1ebd g\u1eb7p trong \u0111i\u1ec7n t\u1eed:<\/p>\n<ul>\n<li><strong>Nam ch\u00e2m v\u0129nh c\u1eedu<\/strong>: Nh\u1eefng nam ch\u00e2m n\u00e0y gi\u1eef \u0111\u01b0\u1ee3c t\u00ednh ch\u1ea5t t\u1eeb c\u1ee7a ch\u00fang m\u00e0 kh\u00f4ng c\u1ea7n ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng. V\u00ed d\u1ee5 bao g\u1ed3m nam ch\u00e2m Neodymium v\u00e0 ferrite.<\/li>\n<li><strong>Nam ch\u00e2m \u0111i\u1ec7n<\/strong>: Nh\u1eefng nam ch\u00e2m n\u00e0y ch\u1ec9 tr\u1edf n\u00ean t\u1eeb khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua m\u1ed9t cu\u1ed9n d\u00e2y qu\u1ea5n quanh m\u1ed9t l\u00f5i. Ch\u00fang ph\u1ed5 bi\u1ebfn trong c\u00e1c c\u00f4ng t\u1eafc \u0111i\u1ec7n t\u1eed v\u00e0 \u0111\u1ed9ng c\u01a1 nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<li><strong>Nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm<\/strong>: \u0110\u00e2y l\u00e0 nh\u1eefng nam ch\u00e2m v\u0129nh c\u1eedu c\u1ef1c m\u1ea1nh l\u00e0m t\u1eeb c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm nh\u01b0 neodymium v\u00e0 samarium. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao v\u1edbi k\u00edch th\u01b0\u1edbc nh\u1ecf.<\/li>\n<\/ul>\n<h3>C\u00e1c v\u1eadt li\u1ec7u t\u1eeb ch\u00ednh trong \u0111i\u1ec7n t\u1eed v\u00e0 m\u00e1y t\u00ednh<\/h3>\n<p>M\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u t\u1ea1o th\u00e0nh c\u00e1c nam ch\u00e2m n\u00e0y, m\u1ed7i lo\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c vai tr\u00f2 kh\u00e1c nhau:<\/p>\n<table>\n<thead>\n<tr>\n<th>V\u1eadt li\u1ec7u<\/th>\n<th>S\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/th>\n<th>\u0110i\u1ec3m n\u1ed5i b\u1eadt<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Neodymi<\/strong><\/td>\n<td>Nam ch\u00e2m hi\u1ec7u su\u1ea5t cao<\/td>\n<td>R\u1ea5t m\u1ea1nh, nh\u1ecf g\u1ecdn, l\u00fd t\u01b0\u1edfng cho \u0111i\u1ec7n t\u1eed mini<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/nbaem.com\/vi\/products\/ceramic-magnet\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ff6600;\"><strong>S\u1eaft ferrit<\/strong><\/span><\/a><\/td>\n<td>Loa, \u0111\u1ed9ng c\u01a1<\/td>\n<td>Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t<\/td>\n<\/tr>\n<tr>\n<td><strong>Alnico<\/strong><\/td>\n<td>C\u1ea3m bi\u1ebfn, m\u1ed9t s\u1ed1 \u0111\u1ed9ng c\u01a1<\/td>\n<td>\u1ed4n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t, \u00edt m\u1ea1nh m\u1ebd h\u01a1n nh\u01b0ng b\u1ec1n b\u1ec9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u0110i\u1ec1u g\u00ec l\u00e0m cho v\u1eadt li\u1ec7u t\u1eeb t\u00ednh ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec7n t\u1eed<\/h3>\n<p>Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i nam ch\u00e2m \u0111\u1ec1u ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n t\u1eed nh\u1ea1y c\u1ea3m. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t:<\/p>\n<ul>\n<li><strong>M\u1ee9c \u0111\u1ed9 m\u1ea1nh<\/strong>: L\u1ef1c t\u1eeb m\u1ea1nh \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn.<\/li>\n<li><strong>\u1ed4n \u0111\u1ecbnh nhi\u1ec7t<\/strong>: \u0110i\u1ec7n t\u1eed sinh nhi\u1ec7t. Nam ch\u00e2m ph\u1ea3i gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh c\u1ee7a m\u00ecnh \u1ed5n \u0111\u1ecbnh d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<li><strong>Ch\u1ed1ng \u0103n m\u00f2n<\/strong>: B\u1ee5i, \u0111\u1ed9 \u1ea9m v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng nam ch\u00e2m. C\u00e1c v\u1eadt li\u1ec7u nh\u01b0 ferrite ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb.<\/li>\n<\/ul>\n<p>Hi\u1ec3u c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n n\u00e0y s\u1ebd gi\u00fap b\u1ea1n khi mu\u1ed1n c\u00f3 c\u00e1c b\u1ed9 ph\u1eadn t\u1eeb t\u00ednh \u0111\u00e1ng tin c\u1eady, b\u1ec1n l\u00e2u trong \u0111i\u1ec7n t\u1eed v\u00e0 ph\u1ea7n c\u1ee9ng m\u00e1y t\u00ednh. Trong c\u00e1c ph\u1ea7n ti\u1ebfp theo, t\u00f4i s\u1ebd ch\u1ec9 cho b\u1ea1n c\u00e1ch nh\u1eefng nam ch\u00e2m n\u00e0y th\u1ef1c s\u1ef1 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c thi\u1ebft b\u1ecb h\u00e0ng ng\u00e0y v\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u1eb1ng sau ch\u00fang.<\/p>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a nam ch\u00e2m trong \u0111i\u1ec7n t\u1eed<\/h2>\n<p>Nam ch\u00e2m \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed h\u00e0ng ng\u00e0y. Trong <strong>loa v\u00e0 micro<\/strong>, nam ch\u00e2m ho\u1ea1t \u0111\u1ed9ng v\u1edbi cu\u1ed9n d\u00e2y \u0111\u1ec3 t\u1ea1o ra v\u00e0 ph\u00e1t hi\u1ec7n \u00e2m thanh. Tr\u01b0\u1eddng t\u1eeb tr\u01b0\u1eddng di chuy\u1ec3n m\u00e0ng loa \u0111\u1ec3 t\u1ea1o ra \u00e2m thanh ho\u1eb7c thu nh\u1eadn rung \u0111\u1ed9ng \u00e2m thanh trong micro. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao nh\u1eefng nam ch\u00e2m m\u1ea1nh, \u0111\u00e1ng tin c\u1eady nh\u01b0 <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/products\/neodymium-magnet\/\" target=\"_blank\" rel=\"noopener\"><strong>nam ch\u00e2m neodymium<\/strong><\/a><\/span> th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n \u1edf \u0111\u00e2y.<\/p>\n<p>Trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, <strong>\u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n v\u00e0 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng<\/strong> ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o nam ch\u00e2m. Nh\u1eefng \u0111\u1ed9ng c\u01a1 n\u00e0y s\u1eed d\u1ee5ng l\u1ef1c t\u1eeb \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed, cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho qu\u1ea1t, \u1ed5 \u0111\u0129a v\u00e0 c\u00e1nh tay robot m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<p><strong>C\u1ea3m bi\u1ebfn t\u1eeb<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 <strong>c\u1ea3m bi\u1ebfn Hall<\/strong>, r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ph\u00e1t hi\u1ec7n tr\u01b0\u1eddng t\u1eeb v\u00e0 chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eed. B\u1ea1n s\u1ebd th\u1ea5y c\u00e1c c\u1ea3m bi\u1ebfn n\u00e0y trong \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, h\u1ec7 th\u1ed1ng \u00f4 t\u00f4 v\u00e0 \u0111i\u1ec7n t\u1eed c\u00f4ng nghi\u1ec7p, gi\u00fap \u0111o v\u1ecb tr\u00ed, ph\u00e1t hi\u1ec7n t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111o d\u00f2ng \u0111i\u1ec7n.<\/p>\n<p>Nam ch\u00e2m c\u0169ng \u0111\u00f3ng vai tr\u00f2 trung t\u00e2m trong <strong>s\u1ea1c kh\u00f4ng d\u00e2y<\/strong> v\u00e0 <strong>h\u1ec7 th\u1ed1ng truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng c\u1ea3m \u1ee9ng<\/strong>. \u1ede \u0111\u00e2y, nam ch\u00e2m gi\u00fap t\u1ea1o ra c\u00e1c tr\u01b0\u1eddng t\u1eeb \u0111\u1ec3 truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng qua c\u00e1c kho\u1ea3ng tr\u1ed1ng kh\u00f4ng kh\u00ed \u2013 kh\u00f4ng c\u1ea7n c\u00e1p. C\u00f4ng ngh\u1ec7 n\u00e0y cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho m\u1ecdi th\u1ee9 t\u1eeb \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh \u0111\u1ebfn b\u00e0n ch\u1ea3i \u0111\u00e1nh r\u0103ng \u0111i\u1ec7n, l\u00e0m cho vi\u1ec7c s\u1ea1c tr\u1edf n\u00ean d\u1ec5 d\u00e0ng v\u00e0 s\u1ea1ch s\u1ebd h\u01a1n.<\/p>\n<p>C\u00f9ng nhau, nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0y l\u00e0m n\u1ed5i b\u1eadt l\u00fd do t\u1ea1i sao nam ch\u00e2m l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i, th\u00fac \u0111\u1ea9y hi\u1ec7u su\u1ea5t v\u00e0 cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh, nh\u1ecf g\u1ecdn h\u01a1n.<\/p>\n<h2>Nam ch\u00e2m trong M\u00e1y t\u00ednh C\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 ch\u1ee9c n\u0103ng quan tr\u1ecdng<\/h2>\n<p>Nam ch\u00e2m \u0111\u00f3ng vai tr\u00f2 ch\u00ednh trong nhi\u1ec1u b\u1ed9 ph\u1eadn c\u1ee7a m\u00e1y t\u00ednh m\u00e0 ch\u00fang ta s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y. \u1ed4 c\u1ee9ng c\u1ee9ng (HDD), v\u00ed d\u1ee5, d\u1ef1a nhi\u1ec1u v\u00e0o nam ch\u00e2m \u0111\u1ec3 \u0111\u1ecdc v\u00e0 ghi d\u1eef li\u1ec7u. Nh\u1eefng nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm m\u1ea1nh m\u1ebd t\u1ea1o ra c\u00e1c tr\u01b0\u1eddng t\u1eeb c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u01b0u tr\u1eef th\u00f4ng tin tr\u00ean \u0111\u0129a quay, l\u00e0m cho vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u nhanh ch\u00f3ng v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<p>Qu\u1ea1t l\u00e0m m\u00e1t trong m\u00e1y t\u00ednh c\u0169ng ph\u1ee5 thu\u1ed9c v\u00e0o nam ch\u00e2m\u2014\u0111\u1ed9ng c\u01a1 kh\u00f4ng ch\u1ed5i than s\u1eed d\u1ee5ng nam ch\u00e2m m\u1ea1nh \u0111\u1ec3 gi\u1eef qu\u1ea1t ho\u1ea1t \u0111\u1ed9ng \u00eam \u00e1i v\u00e0 hi\u1ec7u qu\u1ea3, ng\u0103n ng\u1eeba qu\u00e1 nhi\u1ec7t v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd h\u1ec7 th\u1ed1ng.<\/p>\n<p>M\u00e1y in v\u00e0 m\u00e1y qu\u00e9t c\u0169ng c\u00f3 c\u00e1c th\u00e0nh ph\u1ea7n t\u1eeb t\u00ednh. Nh\u1eefng nam ch\u00e2m n\u00e0y gi\u00fap \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng, \u0111\u1ea3m b\u1ea3o in r\u00f5 n\u00e9t v\u00e0 qu\u00e9t r\u00f5 r\u00e0ng m\u1ed7i l\u1ea7n.<\/p>\n<p>\u1ede ph\u00eda c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn, nam ch\u00e2m hi\u1ec7n nay l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i nh\u01b0 \u1ed5 \u0111\u0129a th\u1ec3 r\u1eafn (SSD) v\u00e0 RAM t\u1eeb (MRAM). Trong khi SSD kh\u00f4ng s\u1eed d\u1ee5ng l\u01b0u tr\u1eef t\u1eeb truy\u1ec1n th\u1ed1ng, nam ch\u00e2m \u0111\u00f3ng vai tr\u00f2 trong c\u00e1c \u0111i\u1ec7n t\u1eed li\u00ean quan. MRAM l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 b\u1ed9 nh\u1edb \u0111\u1ea7y h\u1ee9a h\u1eb9n l\u01b0u tr\u1eef d\u1eef li\u1ec7u b\u1eb1ng t\u1eeb t\u00ednh, mang l\u1ea1i t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed1t h\u01a1n so v\u1edbi c\u00e1c chip b\u1ed9 nh\u1edb ti\u00eau chu\u1ea9n.<\/p>\n<p>T\u00f3m l\u1ea1i, nam ch\u00e2m ch\u1ea5t l\u01b0\u1ee3ng cao l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t cho hi\u1ec7u su\u1ea5t ph\u1ea7n c\u1ee9ng m\u00e1y t\u00ednh\u2014t\u1eeb l\u01b0u tr\u1eef, l\u00e0m m\u00e1t \u0111\u1ebfn in \u1ea5n\u2014l\u00e0m cho ch\u00fang tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u thi\u1ebft y\u1ebfu trong s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eed.<\/p>\n<h2>T\u1ea1i sao Ch\u1ea5t l\u01b0\u1ee3ng V\u1eadt li\u1ec7u Quan tr\u1ecdng Vai tr\u00f2 c\u1ee7a NBAEM trong Vi\u1ec7c Cung c\u1ea5p V\u1eadt li\u1ec7u T\u1eeb t\u00ednh Cao c\u1ea5p<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/Premium_Magnetic_Materials_Quality_NBAEMs_Hbp.webp\" alt=\"Ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u t\u1eeb t\u00ednh cao c\u1ea5p c\u1ee7a NBAEM\" \/><\/p>\n<p>Khi n\u00f3i \u0111\u1ebfn nam ch\u00e2m d\u00f9ng trong \u0111i\u1ec7n t\u1eed v\u00e0 m\u00e1y t\u00ednh, ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh. \u0110\u1ed9 m\u1ea1nh, t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u t\u1eeb \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang. Nam ch\u00e2m ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t y\u1ebfu, qu\u00e1 nhi\u1ec7t ho\u1eb7c th\u1eadm ch\u00ed h\u1ecfng s\u1edbm c\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u01b0 \u1ed5 c\u1ee9ng, c\u1ea3m bi\u1ebfn v\u00e0 \u0111\u1ed9ng c\u01a1.<\/p>\n<p>NBAEM n\u1ed5i b\u1eadt nh\u01b0 m\u1ed9t nh\u00e0 cung c\u1ea5p nam ch\u00e2m hi\u1ec7u su\u1ea5t cao \u0111\u00e1ng tin c\u1eady t\u1eeb Trung Qu\u1ed1c, n\u1ed5i ti\u1ebfng v\u1edbi ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t v\u00e0 k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn. H\u1ecd cung c\u1ea5p c\u00e1c v\u1eadt li\u1ec7u t\u1eeb cao c\u1ea5p nh\u01b0 nam ch\u00e2m neodymium v\u00e0 ferrite \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n kh\u1eaft khe c\u1ee7a ng\u00e0nh \u0111i\u1ec7n t\u1eed t\u1ea1i Vi\u1ec7t Nam.<\/p>\n<p>Ngo\u00e0i c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau chu\u1ea9n, NBAEM c\u00f2n cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u \u0111i\u1ec7n t\u1eed c\u1ee5 th\u1ec3, d\u00f9 \u0111\u00f3 l\u00e0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh nhi\u1ec7t, ch\u1ed1ng \u0103n m\u00f2n ho\u1eb7c k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn. S\u1ef1 linh ho\u1ea1t n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t x\u00e2y d\u1ef1ng c\u00e1c thi\u1ebft b\u1ecb \u0111\u00e1ng tin c\u1eady ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf.<\/p>\n<p><strong>Nh\u1eefng l\u1ee3i \u00edch ch\u00ednh c\u1ee7a nam ch\u00e2m NBAEM cho \u0111i\u1ec7n t\u1eed bao g\u1ed3m:<\/strong><\/p>\n<ul>\n<li>\u0110\u1ed9 m\u1ea1nh t\u1eeb v\u01b0\u1ee3t tr\u1ed9i cho ho\u1ea1t \u0111\u1ed9ng thi\u1ebft b\u1ecb hi\u1ec7u qu\u1ea3<\/li>\n<li>Ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u nh\u1ea5t qu\u00e1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 tin c\u1eady<\/li>\n<li>K\u00edch th\u01b0\u1edbc v\u00e0 l\u1edbp ph\u1ee7 t\u00f9y ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi ng\u00e0nh \u0111i\u1ec7n t\u1eed<\/li>\n<li>Chu\u1ed7i cung \u1ee9ng \u0111\u00e1ng tin c\u1eady h\u1ed7 tr\u1ee3 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ecba ph\u01b0\u01a1ng t\u1ea1i Vi\u1ec7t Nam<\/li>\n<\/ul>\n<p>Ch\u1ecdn NBAEM ngh\u0129a l\u00e0 h\u1ee3p t\u00e1c v\u1edbi m\u1ed9t nh\u00e0 cung c\u1ea5p hi\u1ec3u r\u00f5 c\u00e1c y\u00eau c\u1ea7u \u0111\u1eb7c th\u00f9 c\u1ee7a nam ch\u00e2m trong m\u00e1y t\u00ednh v\u00e0 \u0111i\u1ec7n t\u1eed, \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng c\u1ea3 v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd.<\/p>\n<h2>Xu h\u01b0\u1edbng v\u00e0 \u0110\u1ed5i m\u1edbi trong C\u00f4ng ngh\u1ec7 T\u1eeb t\u00ednh cho \u0110i\u1ec7n t\u1eed v\u00e0 M\u00e1y t\u00ednh<\/h2>\n<p>Th\u1ebf gi\u1edbi nam ch\u00e2m trong \u0111i\u1ec7n t\u1eed v\u00e0 m\u00e1y t\u00ednh \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng. M\u1ed9t xu h\u01b0\u1edbng l\u1edbn l\u00e0 <strong>thu nh\u1ecf k\u00edch th\u01b0\u1edbc<\/strong>\u2014 l\u00e0m cho nam ch\u00e2m nh\u1ecf h\u01a1n nh\u01b0ng v\u1eabn \u0111\u1ee7 m\u1ea1nh cho c\u00e1c thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn nh\u01b0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, thi\u1ebft b\u1ecb \u0111eo v\u00e0 c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111i\u1ec7n t\u1eed nh\u1eb9 h\u01a1n m\u00e0 kh\u00f4ng m\u1ea5t \u0111i hi\u1ec7u su\u1ea5t.<\/p>\n<p>M\u1ed9t s\u1ef1 chuy\u1ec3n \u0111\u1ed5i quan tr\u1ecdng kh\u00e1c l\u00e0 t\u1eadp trung v\u00e0o <strong>nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 neodymium. Nh\u1eefng nam ch\u00e2m n\u00e0y c\u00f3 s\u1ee9c m\u1ea1nh l\u1edbn trong k\u00edch th\u01b0\u1edbc nh\u1ecf, \u0111\u00f3 l\u00e0 l\u00fd do ch\u00fang \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7u su\u1ea5t cao. Tuy nhi\u00ean, chu\u1ed7i cung \u1ee9ng v\u1eadt li\u1ec7u \u0111\u1ea5t hi\u1ebfm g\u1eb7p nhi\u1ec1u th\u00e1ch th\u1ee9c, bao g\u1ed3m c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ec1n v\u1eefng v\u00e0 r\u1ee7i ro \u0111\u1ecba ch\u00ednh tr\u1ecb. Do \u0111\u00f3, c\u00e1c c\u00f4ng ty \u0111ang \u0111\u1ea7u t\u01b0 v\u00e0o c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u00e1i ch\u1ebf v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf \u0111\u1ec3 gi\u1ea3m ph\u1ee5 thu\u1ed9c v\u00e0o ngu\u1ed3n t\u00e0i nguy\u00ean khan hi\u1ebfm.<\/p>\n<p>Cu\u1ed1i c\u00f9ng, v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a <strong>Internet v\u1ea1n v\u1eadt (IoT)<\/strong> v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed th\u00f4ng minh, nhu c\u1ea7u v\u1ec1 nam ch\u00e2m \u0111\u00e1ng tin c\u1eady, hi\u1ec7u qu\u1ea3 ng\u00e0y c\u00e0ng t\u0103ng. Nam ch\u00e2m \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong c\u1ea3m bi\u1ebfn, h\u1ec7 th\u1ed1ng s\u1ea1c kh\u00f4ng d\u00e2y v\u00e0 micro-motor trong c\u00e1c thi\u1ebft b\u1ecb nh\u00e0 th\u00f4ng minh, thi\u1ebft b\u1ecb \u0111eo v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p k\u1ebft n\u1ed1i. Th\u1ecb tr\u01b0\u1eddng m\u1edf r\u1ed9ng n\u00e0y th\u00fac \u0111\u1ea9y \u0111\u1ed5i m\u1edbi \u0111\u1ec3 cung c\u1ea5p c\u00e1c nam ch\u00e2m kh\u00f4ng ch\u1ec9 nh\u1ecf h\u01a1n v\u00e0 m\u1ea1nh h\u01a1n m\u00e0 c\u00f2n ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n<h2>C\u00e1ch ch\u1ecdn nh\u00e0 cung c\u1ea5p nam ch\u00e2m ph\u00f9 h\u1ee3p cho nhu c\u1ea7u \u0111i\u1ec7n t\u1eed c\u1ee7a b\u1ea1n<\/h2>\n<p>Khi ch\u1ecdn nh\u00e0 cung c\u1ea5p nam ch\u00e2m cho \u0111i\u1ec7n t\u1eed, m\u1ed9t v\u00e0i y\u1ebfu t\u1ed1 ch\u00ednh l\u00e0 quan tr\u1ecdng nh\u1ea5t:<\/p>\n<ul>\n<li><strong>Ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m<\/strong>: Hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n l\u00e0 \u0111i\u1ec1u then ch\u1ed1t. Nam ch\u00e2m ch\u1ea5t l\u01b0\u1ee3ng cao c\u00f3 ngh\u0129a l\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru v\u00e0 b\u1ec1n h\u01a1n.<\/li>\n<li><strong>\u0110\u1ed9 tin c\u1eady cung c\u1ea5p<\/strong>: B\u1ea1n c\u1ea7n m\u1ed9t nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 giao h\u00e0ng \u0111\u00fang h\u1ea1n v\u00e0 v\u1edbi s\u1ed1 l\u01b0\u1ee3ng b\u1ea1n y\u00eau c\u1ea7u, tr\u00e1nh tr\u00ec ho\u00e3n s\u1ea3n xu\u1ea5t.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng t\u00f9y ch\u1ec9nh<\/strong>: \u0110\u00f4i khi nam ch\u00e2m s\u1eb5n c\u00f3 kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u. M\u1ed9t nh\u00e0 cung c\u1ea5p cung c\u1ea5p k\u00edch th\u01b0\u1edbc, h\u00ecnh d\u1ea1ng v\u00e0 \u0111\u1ed9 m\u1ea1nh t\u00f9y ch\u1ec9nh c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn.<\/li>\n<\/ul>\n<p>NBAEM n\u1ed5i b\u1eadt nh\u01b0 m\u1ed9t \u0111\u1ed1i t\u00e1c \u0111\u00e1ng tin c\u1eady c\u1ea3 trong n\u01b0\u1edbc v\u00e0 to\u00e0n c\u1ea7u v\u00ec h\u1ecd \u0111\u00e1p \u1ee9ng t\u1ea5t c\u1ea3 c\u00e1c ti\u00eau ch\u00ed n\u00e0y v\u00e0 h\u01a1n th\u1ebf n\u1eefa. H\u1ecd chuy\u00ean v\u1ec1 c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh hi\u1ec7u su\u1ea5t cao nh\u01b0 nam ch\u00e2m neodymium v\u00e0 nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm, thi\u1ebft y\u1ebfu cho \u0111i\u1ec7n t\u1eed v\u00e0 ph\u1ea7n c\u1ee9ng m\u00e1y t\u00ednh. Th\u00eam v\u00e0o \u0111\u00f3, quy tr\u00ecnh s\u1ea3n xu\u1ea5t m\u1ea1nh m\u1ebd c\u1ee7a NBAEM \u0111\u1ea3m b\u1ea3o b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng nh\u1ea5t qu\u00e1n v\u00e0 b\u1ec1n b\u1ec9.<\/p>\n<p>C\u1ea7n m\u1eabu th\u1eed ho\u1eb7c mu\u1ed1n b\u1eaft \u0111\u1ea7u \u0111\u1eb7t h\u00e0ng t\u00f9y ch\u1ec9nh? NBAEM d\u1ec5 li\u00ean h\u1ec7 v\u00e0 ph\u1ea3n h\u1ed3i nhanh ch\u00f3ng c\u00e1c y\u00eau c\u1ea7u, gi\u00fap kh\u00e1ch h\u00e0ng Vi\u1ec7t Nam c\u00f3 \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c nh\u1eefng g\u00ec h\u1ecd c\u1ea7n\u2014nhanh ch\u00f3ng v\u00e0 kh\u00f4ng r\u1eafc r\u1ed1i. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n \u0111i\u1ec7n t\u1eed m\u00e0 ch\u1ea5t l\u01b0\u1ee3ng nam ch\u00e2m kh\u00f4ng th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng, NBAEM l\u00e0 nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tin t\u01b0\u1edfng.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 c\u00e1ch c\u00e1c nam ch\u00e2m hi\u1ec7u su\u1ea5t cao \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong \u0111i\u1ec7n t\u1eed v\u00e0 m\u00e1y t\u00ednh v\u1edbi c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh cao c\u1ea5p v\u00e0 gi\u1ea3i ph\u00e1p chuy\u00ean nghi\u1ec7p c\u1ee7a NBAEM.<\/p>","protected":false},"author":1,"featured_media":1845,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1846","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/Magnets_used_in_electronics_and_Computers_s0A.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1846","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/comments?post=1846"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1846\/revisions"}],"predecessor-version":[{"id":1850,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1846\/revisions\/1850"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/1845"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}