{"id":2667,"date":"2025-10-02T02:03:16","date_gmt":"2025-10-02T02:03:16","guid":{"rendered":"https:\/\/productionscrews.com\/"},"modified":"2025-10-02T02:03:16","modified_gmt":"2025-10-02T02:03:16","slug":"expert-guide-telecom-equipment-assembly-secrets-for-perfect-network-performance","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/vi\/expert-guide-telecom-equipment-assembly-secrets-for-perfect-network-performance\/","title":{"rendered":"H\u01b0\u1edbng D\u1eabn Chuy\u00ean Gia: B\u00ed Quy\u1ebft L\u1eafp R\u00e1p Thi\u1ebft B\u1ecb Vi\u1ec5n Th\u00f4ng \u0110\u1ec3 \u0110\u1ea1t Hi\u1ec7u Su\u1ea5t M\u1ea1ng T\u1ed1i \u01afu"},"content":{"rendered":"<h2>X\u00e2y d\u1ef1ng thi\u1ebft b\u1ecb \u0111i\u1ec7n tho\u1ea1i v\u00e0 internet: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7<\/h2>\n<h2>Gi\u1edbi thi\u1ec7u: Hi\u1ec3u bi\u1ebft v\u1ec1 nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n<\/h2>\n<p>Ch\u1ebf t\u1ea1o thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng l\u00e0 c\u00f4ng vi\u1ec7c \u0111\u00f2i h\u1ecfi k\u1ef9 thu\u1eadt c\u1ea9n th\u1eadn. N\u00f3 c\u00f2n h\u01a1n c\u1ea3 vi\u1ec7c l\u1eafp r\u00e1p c\u00e1c linh ki\u1ec7n tr\u00ean m\u1ed9t b\u1ea3ng m\u1ea1ch. \u0110\u00f3 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh chi ti\u1ebft tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc nghi\u00eam ng\u1eb7t, trong \u0111\u00f3 th\u00e0nh c\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o t\u00edn hi\u1ec7u r\u00f5 r\u00e0ng, nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i. M\u1ed9t sai s\u00f3t nh\u1ecf c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng tr\u1ecb gi\u00e1 h\u00e0ng tri\u1ec7u \u0111\u00f4 la. H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh t\u1ea1o n\u00ean c\u00f4ng vi\u1ec7c l\u1eafp r\u00e1p thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng hi\u1ec7n \u0111\u1ea1i, ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n<p>Ch\u00fang t\u00f4i s\u1ebd ph\u00e2n t\u00edch l\u0129nh v\u1ef1c ph\u1ee9c t\u1ea1p n\u00e0y b\u1eb1ng c\u00e1ch xem x\u00e9t c\u00e1c ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a n\u00f3. \u0110\u00e2y l\u00e0 nh\u1eefng n\u1ed9i dung m\u00e0 h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn:<\/p>\n<ul>\n<li>S\u1ea3n xu\u1ea5t bo m\u1ea1ch v\u00e0 v\u1eadt li\u1ec7u<\/li>\n<li>Ch\u1ecdn v\u00e0 l\u1eafp \u0111\u1eb7t c\u00e1c linh ki\u1ec7n<\/li>\n<li>Ph\u01b0\u01a1ng ph\u00e1p h\u00e0n v\u00e0 k\u1ebft n\u1ed1i n\u00e2ng cao<\/li>\n<li>C\u00e1c chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd nhi\u1ec7t quan tr\u1ecdng<\/li>\n<li>Nguy\u00ean t\u1eafc ch\u1eafn s\u00f3ng t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u<\/li>\n<li>Ho\u00e0n th\u00e0nh <a href=\"https:\/\/productionscrews.com\/vi\/raw-material-testing-a-comprehensive-guide-to-quality-control-methods-2024\/\"  data-wpil-monitor-id=\"425\" target=\"_blank\">ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 th\u1eed nghi\u1ec7m<\/a> quy tr\u00ecnh<\/li>\n<\/ul>\n<p>Th\u00f4ng tin chi ti\u1ebft <a href=\"https:\/\/productionscrews.com\/vi\/color-blending-math-science-technical-guide-for-developers-2025\/\"  data-wpil-monitor-id=\"429\" target=\"_blank\">H\u01b0\u1edbng d\u1eabn d\u00e0nh cho k\u1ef9 s\u01b0 v\u00e0 k\u1ef9 thu\u1eadt vi\u00ean<\/a> chuy\u00ean gia c\u1ea7n hi\u1ec3u c\u00e1ch c\u00e1c b\u1ed9 ph\u1eadn th\u00f4 tr\u1edf th\u00e0nh ph\u1ea7n c\u1ee9ng \u0111\u00e1ng tin c\u1eady, hi\u1ec7u su\u1ea5t cao v\u1eadn h\u00e0nh m\u1ea1ng l\u01b0\u1edbi truy\u1ec1n th\u00f4ng to\u00e0n c\u1ea7u.<\/p>\n<h3>T\u1ea1i sao Ph\u00e2n t\u00edch K\u1ef9 thu\u1eadt Quan tr\u1ecdng<\/h3>\n<p>T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c l\u1eafp r\u00e1p thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng l\u00e0 r\u1ea5t l\u1edbn. M\u1ed9t tr\u1ea1m ph\u00e1t s\u00f3ng, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn ch\u00ednh ho\u1eb7c b\u1ed9 chuy\u1ec3n m\u1ea1ch quang h\u1ecdc kh\u00f4ng ph\u1ea3i l\u00e0 thi\u1ebft b\u1ecb ti\u00eau d\u00f9ng; \u0111\u00f3 l\u00e0 h\u1ea1 t\u1ea7ng quan tr\u1ecdng d\u1ef1 ki\u1ebfn ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o trong nhi\u1ec1u n\u0103m, th\u01b0\u1eddng trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t. Vi\u1ec7c l\u1eafp r\u00e1p k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng tr\u1ef1c ti\u1ebfp g\u00e2y ra c\u00e1c s\u1ef1 c\u1ed1 l\u1edbn: v\u1ea5n \u0111\u1ec1 t\u00edn hi\u1ec7u l\u00e0m gi\u00e1n \u0111o\u1ea1n cu\u1ed9c g\u1ecdi v\u00e0 l\u00e0m ch\u1eadm d\u1eef li\u1ec7u, qu\u00e1 nhi\u1ec7t khi\u1ebfn c\u00e1c linh ki\u1ec7n b\u1ecb h\u1ecfng s\u1edbm, v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 nhi\u1ec5u g\u00e2y m\u1ea5t \u1ed5n \u0111\u1ecbnh to\u00e0n m\u1ea1ng. Hi\u1ec3u r\u00f5 c\u00e1c chi ti\u1ebft k\u1ef9 thu\u1eadt c\u1ee7a qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t thi\u1ebft b\u1ecb v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-2670\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-gl9HLFWG38k.jpg\" alt=\"hai h\u1ed9p thi\u1ebft b\u1ecb x\u00e1m\" width=\"1600\" height=\"1160\" srcset=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-gl9HLFWG38k.jpg 1600w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-gl9HLFWG38k-300x218.jpg 300w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-gl9HLFWG38k-768x557.jpg 768w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-gl9HLFWG38k-1536x1114.jpg 1536w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-gl9HLFWG38k-18x12.jpg 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<h3>Ph\u1ea1m vi ph\u00e2n t\u00edch c\u1ee7a ch\u00fang t\u00f4i<\/h3>\n<p>\u0110\u1ec3 cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n, ch\u00fang t\u00f4i s\u1ebd t\u1ed5 ch\u1ee9c ph\u00e2n t\u00edch c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd, t\u1eeb c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng n\u00e2ng cao v\u00e0 x\u00e1c minh.<\/p>\n<ul>\n<li>N\u1ec1n t\u1ea3ng: Ch\u00fang t\u00f4i b\u1eaft \u0111\u1ea7u v\u1edbi c\u1ea5u t\u1ea1o c\u1ee7a ph\u1ea7n c\u1ee9ng vi\u1ec5n th\u00f4ng, x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh.<\/li>\n<li>C\u00e1c Quy tr\u00ecnh Ch\u00ednh: Sau \u0111\u00f3, ch\u00fang t\u00f4i kh\u00e1m ph\u00e1 c\u00e1c c\u00f4ng ngh\u1ec7 l\u1eafp r\u00e1p ch\u00ednh v\u00e0 <a href=\"https:\/\/productionscrews.com\/vi\/the-science-behind-elastic-material-from-bridges-to-medical-breakthroughs\/\"  data-wpil-monitor-id=\"424\" target=\"_blank\">khoa h\u1ecdc v\u1eadt li\u1ec7u \u0111\u1eb1ng sau<\/a> ch\u00fang.<\/li>\n<li>Ph\u00e2n t\u00edch s\u00e2u: Ch\u00fang t\u00f4i s\u1ebd t\u1eadp trung v\u00e0o nh\u1eefng th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt quan tr\u1ecdng nh\u1ea5t: qu\u1ea3n l\u00fd nhi\u1ec7t, duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u v\u00e0 gi\u1ea3m nhi\u1ec5u.<\/li>\n<li>X\u00e1c minh: Ch\u00fang t\u00f4i \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c quy tr\u00ecnh \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ki\u1ec3m tra c\u1ea7n thi\u1ebft x\u00e1c nh\u1eadn qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/li>\n<li>Tri\u1ec3n v\u1ecdng T\u01b0\u01a1ng lai: Cu\u1ed1i c\u00f9ng, ch\u00fang t\u00f4i nh\u00ecn v\u1ec1 ph\u00eda tr\u01b0\u1edbc c\u00e1c xu h\u01b0\u1edbng n\u1ed5i b\u1eadt \u0111\u1ecbnh h\u00ecnh t\u01b0\u01a1ng lai c\u1ee7a l\u1eafp r\u00e1p vi\u1ec5n th\u00f4ng.<\/li>\n<\/ul>\n<h2>C\u1ea5u t\u1ea1o c\u1ee7a Thi\u1ebft b\u1ecb Vi\u1ec5n th\u00f4ng<\/h2>\n<p>Tr\u01b0\u1edbc khi kh\u00e1m ph\u00e1 c\u00e1ch thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng, ch\u00fang ta ph\u1ea3i hi\u1ec3u r\u00f5 c\u1ea5u th\u00e0nh c\u1ee7a n\u00f3. Ph\u1ea7n c\u1ee9ng vi\u1ec5n th\u00f4ng hi\u1ec7n \u0111\u1ea1i, t\u1eeb B\u1ed9 Ph\u1eadn Ph\u00e1t Radio 5G \u0111\u1ebfn b\u1ed9 chuy\u1ec3n m\u1ea1ch trung t\u00e2m d\u1eef li\u1ec7u, l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n chuy\u00ean d\u1ee5ng t\u00edch h\u1ee3p tr\u00ean m\u1ed9t n\u1ec1n t\u1ea3ng trung t\u00e2m.<\/p>\n<h3>H\u1ec7 Th\u1ed1ng Th\u1ea7n Kinh Trung \u01af\u01a1ng: PCBAs<\/h3>\n<p>B\u1ed9 L\u1eafp r\u00e1p M\u1ea1ch in (PCBA) l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed n\u00e0o. N\u00f3 cung c\u1ea5p c\u1ea3 c\u1ea5u tr\u00fac v\u1eadt l\u00fd \u0111\u1ec3 g\u1eafn c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 m\u1ea1ng l\u01b0\u1edbi ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng d\u1eabn d\u1eabn \u0111i\u1ec7n cho ph\u00e9p ch\u00fang giao ti\u1ebfp v\u1edbi nhau. Trong ng\u00e0nh vi\u1ec5n th\u00f4ng, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c bo m\u1ea1ch ti\u00eau chu\u1ea9n. Ch\u00fang th\u01b0\u1eddng l\u00e0 c\u00e1c bo m\u1ea1ch ph\u1ee9c t\u1ea1p nhi\u1ec1u l\u1edbp\u2014\u0111\u00f4i khi c\u00f3 h\u01a1n 20 l\u1edbp\u2014s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u chuy\u00ean d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd t\u00edn hi\u1ec7u t\u1ea7n s\u1ed1 cao v\u1edbi t\u1ed5n th\u1ea5t t\u1ed1i thi\u1ec3u. Qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p to\u00e0n b\u1ed9 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t, ch\u1eb3ng h\u1ea1n nh\u01b0 IPC-A-610, x\u00e1c \u0111\u1ecbnh c\u00e1c ti\u00eau ch\u00ed ch\u1ea5t l\u01b0\u1ee3ng cho c\u00e1c l\u1eafp r\u00e1p \u0111i\u1ec7n t\u1eed v\u00e0 \u0111\u1ea3m b\u1ea3o m\u1ee9c \u0111\u1ed9 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady t\u1ed1i thi\u1ec3u.<\/p>\n<h3>X\u1eed l\u00fd Ch\u00ednh v\u00e0 Logic<\/h3>\n<p>T\u1ea1i trung t\u00e2m c\u1ee7a b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng n\u00e0o l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ecbu tr\u00e1ch nhi\u1ec7m x\u1eed l\u00fd d\u1eef li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 c\u1ef1c k\u1ef3 cao.<\/p>\n<ul>\n<li>M\u1ea1ch t\u00edch h\u1ee3p d\u00e0nh ri\u00eang cho \u1ee9ng d\u1ee5ng (ASICs): \u0110\u00e2y l\u00e0 c\u00e1c chip silicon t\u00f9y ch\u1ec9nh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1eeb \u0111\u1ea7u \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t ch\u1ee9c n\u0103ng \u0111\u1eb7c bi\u1ec7t, nh\u01b0 chuy\u1ec3n ti\u1ebfp g\u00f3i tin ho\u1eb7c x\u1eed l\u00fd t\u00edn hi\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1. Thi\u1ebft k\u1ebf c\u1ed1 \u0111\u1ecbnh c\u1ee7a ch\u00fang mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u1ed1i \u0111a v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng cho m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c \u0111\u00e3 bi\u1ebft.<\/li>\n<li>M\u1ea3ng c\u1ed5ng l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c tr\u01b0\u1eddng (FPGAs): Nh\u1eefng chip n\u00e0y cung c\u1ea5p m\u1ed9t l\u1ef1a ch\u1ecdn m\u1ea1nh m\u1ebd thay th\u1ebf cho ASICs. Ch\u00fang ch\u1ee9a m\u1ed9t ma tr\u1eadn c\u00e1c kh\u1ed1i logic c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh trong l\u0129nh v\u1ef1c, cung c\u1ea5p t\u00ednh linh ho\u1ea1t quan tr\u1ecdng \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi c\u00e1c giao th\u1ee9c m\u1edbi ho\u1eb7c ti\u00eau chu\u1ea9n ph\u00e1t tri\u1ec3n m\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft k\u1ebf ph\u1ea7n c\u1ee9ng m\u1edbi.<\/li>\n<li>B\u1ed9 x\u1eed l\u00fd m\u1ea1ng (NPUs): \u0110\u00e2y l\u00e0 c\u00e1c vi x\u1eed l\u00fd \u0111\u1eb7c bi\u1ec7t cao v\u1edbi ki\u1ebfn tr\u00fac t\u1ed1i \u01b0u cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng ph\u1ed5 bi\u1ebfn trong m\u1ea1ng, nh\u01b0 ki\u1ec3m tra g\u00f3i tin v\u00e0 qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng. Ch\u00fang k\u1ebft h\u1ee3p hi\u1ec7u su\u1ea5t c\u1ee7a ASICs v\u1edbi kh\u1ea3 n\u0103ng l\u1eadp tr\u00ecnh c\u1ee7a CPU \u0111a n\u0103ng.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-2669\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-qAShc5SV83M.jpg\" alt=\"v\u00e0i c\u00f4ng t\u1eafc ngu\u1ed3n \u0111a d\u1ea1ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean t\u01b0\u1eddng m\u00e0u tr\u1eafng\" width=\"1600\" height=\"897\" srcset=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-qAShc5SV83M.jpg 1600w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-qAShc5SV83M-300x168.jpg 300w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-qAShc5SV83M-768x431.jpg 768w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-qAShc5SV83M-1536x861.jpg 1536w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-qAShc5SV83M-18x10.jpg 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<h3>C\u00e1c Th\u00e0nh Ph\u1ea7n RF v\u00e0 Quang H\u1ecdc<\/h3>\n<p>Nh\u1eefng th\u00e0nh ph\u1ea7n n\u00e0y t\u1ea1o c\u1ea7u n\u1ed1i gi\u1eefa th\u1ebf gi\u1edbi x\u1eed l\u00fd k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn v\u1eadt l\u00fd, d\u00f9 l\u00e0 s\u00f3ng v\u00f4 tuy\u1ebfn hay c\u00e1p quang.<\/p>\n<ul>\n<li>C\u00e1c Th\u00e0nh Ph\u1ea7n T\u1ea7n S\u1ed1 Radio (RF): Nh\u00f3m n\u00e0y bao g\u1ed3m c\u00e1c b\u1ed9 ph\u00e1t thu RF, chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u s\u1ed1 th\u00e0nh s\u00f3ng v\u00f4 tuy\u1ebfn analog v\u00e0 ng\u01b0\u1ee3c l\u1ea1i; B\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t (PAs), t\u0103ng c\u01b0\u1eddng t\u00edn hi\u1ec7u \u0111\u1ec3 truy\u1ec1n; v\u00e0 B\u1ed9 khu\u1ebfch \u0111\u1ea1i ti\u1ebfng \u1ed3n th\u1ea5p (LNAs), khu\u1ebfch \u0111\u1ea1i c\u00e1c t\u00edn hi\u1ec7u y\u1ebfu \u0111\u1ebfn m\u1ee9c kh\u00f4ng g\u00e2y nhi\u1ec5u \u0111\u00e1ng k\u1ec3.<\/li>\n<li>C\u00e1c B\u1ed9 Ph\u1eadn Transceiver Quang: C\u00e1c m\u00f4-\u0111un n\u00e0y chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh \u00e1nh s\u00e1ng \u0111\u1ec3 truy\u1ec1n qua c\u00e1p quang v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. C\u00e1c d\u1ea1ng h\u00ecnh d\u1ea1ng ph\u1ed5 bi\u1ebfn nh\u01b0 SFP (Small Form-factor Pluggable) v\u00e0 QSFP (Quad Small Form-factor Pluggable) th\u01b0\u1eddng th\u1ea5y trong thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i. Trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p, c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y \u0111\u00f2i h\u1ecfi x\u1eed l\u00fd c\u1ef1c k\u1ef3 c\u1ea9n th\u1eadn \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn RF nh\u1ea1y c\u1ea3m v\u00e0 c\u00e1c giao di\u1ec7n quang h\u1ecdc tinh x\u1ea3o.<\/li>\n<\/ul>\n<h3>H\u1ec7 Th\u1ed1ng Ngu\u1ed3n v\u00e0 C\u01a1 Kh\u00ed<\/h3>\n<p>H\u1ed7 tr\u1ee3 cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7u su\u1ea5t cao l\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng ngu\u1ed3n v\u00e0 c\u01a1 kh\u00ed. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m c\u00e1c b\u1ed9 ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n (PSUs) chuy\u00ean d\u1ee5ng cung c\u1ea5p ngu\u1ed3n \u1ed5n \u0111\u1ecbnh, s\u1ea1ch cho t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n, c\u0169ng nh\u01b0 c\u00e1c k\u1ebft n\u1ed1i kh\u00e1c nhau cho d\u1eef li\u1ec7u v\u00e0 ngu\u1ed3n \u0111i\u1ec7n. V\u1ecf c\u01a1 kh\u00ed, hay khung m\u00e1y, c\u00f2n h\u01a1n c\u1ea3 m\u1ed9t chi\u1ebfc h\u1ed9p \u0111\u01a1n gi\u1ea3n. N\u00f3 l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a h\u1ec7 th\u1ed1ng, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p h\u1ed7 tr\u1ee3 c\u1ea5u tr\u00fac, c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c cho c\u00e1c k\u1ebft n\u1ed1i, ch\u1eafn nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) quan tr\u1ecdng v\u00e0 t\u1ea1o \u0111\u01b0\u1eddng d\u1eabn cho qu\u1ea3n l\u00fd nhi\u1ec7t.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/pixabay-5053730.jpg\" height=\"853\" width=\"1280\" class=\"alignnone size-full wp-image-2668\" alt=\"Tr\u1ea1m ph\u00e1t s\u00f3ng di \u0111\u1ed9ng \u0111\u01b0\u1ee3c trang b\u1ecb nhi\u1ec1u \u0103ng-ten v\u00e0 ph\u1ea7n c\u1ee9ng vi\u1ec5n th\u00f4ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o li\u00ean l\u1ea1c kh\u00f4ng d\u00e2y v\u00e0 hi\u1ec7u su\u1ea5t m\u1ea1ng \u0111\u00e1ng tin c\u1eady.\" srcset=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/pixabay-5053730.jpg 1280w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/pixabay-5053730-300x200.jpg 300w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/pixabay-5053730-768x512.jpg 768w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/pixabay-5053730-18x12.jpg 18w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/> <\/p>\n<h2>Quy tr\u00ecnh L\u1eafp r\u00e1p Core<\/h2>\n<p>Chuy\u1ec3n \u0111\u1ed5i m\u1ed9t b\u1ea3ng m\u1ea1ch tr\u1ea7n v\u00e0 m\u1ed9t cu\u1ed9n linh ki\u1ec7n th\u00e0nh m\u1ed9t \u0111\u01a1n v\u1ecb vi\u1ec5n th\u00f4ng ho\u1ea1t \u0111\u1ed9ng bao g\u1ed3m m\u1ed9t lo\u1ea1t c\u00e1c b\u01b0\u1edbc ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd <a href=\"https:\/\/productionscrews.com\/vi\/ultimate-guide-to-stud-screw-process-manufacturing-excellence-revealed\/\"  data-wpil-monitor-id=\"428\" target=\"_blank\">quy tr\u00ecnh s\u1ea3n xu\u1ea5t<\/a>. Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 \u1edf m\u1ed7i b\u01b0\u1edbc ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i linh ki\u1ec7n, m\u1eadt \u0111\u1ed9 b\u1ea3ng m\u1ea1ch v\u00e0 y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t.<\/p>\n<h3>Ch\u1ebf t\u1ea1o PCB v\u00e0 M\u1eb7t n\u1ec1n<\/h3>\n<p>Quy tr\u00ecnh l\u1eafp r\u00e1p b\u1eaft \u0111\u1ea7u v\u1edbi B\u1ea3ng m\u1ea1ch in (PCB) tr\u1ea7n. Trong khi vi\u1ec7c ch\u1ebf t\u1ea1o b\u1ea3ng m\u1ea1ch \u0111a l\u1edbp l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c ri\u00eang bi\u1ec7t, vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u c\u1ed1t l\u00f5i, ho\u1eb7c m\u1eb7t n\u1ec1n, l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng li\u00ean quan \u0111\u1ebfn l\u1eafp r\u00e1p. \u0110\u1ed1i v\u1edbi m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n t\u1ea7n s\u1ed1 th\u1ea5p, v\u1eadt li\u1ec7u th\u1ee7y tinh epoxy FR-4 (Ch\u1ed1ng ch\u00e1y 4) ti\u00eau chu\u1ea9n l\u00e0 \u0111\u1ee7. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi c\u00e1c ph\u1ea7n t\u1ea7n s\u1ed1 cao RF v\u00e0 k\u1ef9 thu\u1eadt s\u1ed1 t\u1ed1c \u0111\u1ed9 cao c\u1ee7a b\u1ea3ng vi\u1ec5n th\u00f4ng, c\u00e1c v\u1eadt li\u1ec7u chuy\u00ean d\u1ee5ng l\u00e0 c\u1ea7n thi\u1ebft. Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c ch\u1ecdn d\u1ef1a tr\u00ean h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i \u1ed5n \u0111\u1ecbnh (Dk) v\u00e0 h\u1ec7 s\u1ed1 ti\u00eau hao th\u1ea5p (Df), \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u \u1edf t\u1ea7n s\u1ed1 gigahertz.<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"144\">V\u1eadt li\u1ec7u<\/td>\n<td width=\"144\">H\u1eb1ng s\u1ed1 \u0110i\u1ec7n m\u00f4i (Dk)<\/td>\n<td width=\"144\">H\u1ec7 s\u1ed1 Ti\u00eau hao (Df)<\/td>\n<td width=\"144\">L\u0129nh v\u1ef1c \u1ee8ng d\u1ee5ng Ch\u00ednh<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>FR-4<\/strong><\/td>\n<td width=\"144\">~4.5<\/td>\n<td width=\"144\">~0.020<\/td>\n<td width=\"144\">M\u1ea1ch \u0111i\u1ec1u khi\u1ec3n t\u1ea7n s\u1ed1 th\u1ea5p, h\u1ec7 th\u1ed1ng ngu\u1ed3n<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>Rogers RO4350B<\/strong><\/td>\n<td width=\"144\">~3.48<\/td>\n<td width=\"144\">~0.0037<\/td>\n<td width=\"144\">\u0102ng ten, b\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t, h\u1ea1 t\u1ea7ng 5G<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>Taconic TLX<\/strong><\/td>\n<td width=\"144\">~2.55<\/td>\n<td width=\"144\">~0.0019<\/td>\n<td width=\"144\">M\u1ea1ch vi s\u00f3ng RF t\u1ea7n s\u1ed1 cao<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>Isola IS680<\/strong><\/td>\n<td width=\"144\">~3.0<\/td>\n<td width=\"144\">~0.0030<\/td>\n<td width=\"144\">K\u1ef9 thu\u1eadt s\u1ed1 t\u1ed1c \u0111\u1ed9 cao, m\u00e1y ch\u1ee7, \u1ee9ng d\u1ee5ng tr\u00ean 25+ Gbps<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>C\u00f4ng ngh\u1ec7 L\u1eafp \u0111\u1eb7t Linh ki\u1ec7n<\/h3>\n<p>Khi b\u1ea3ng tr\u1ea7n \u0111\u00e3 s\u1eb5n s\u00e0ng, c\u00e1c linh ki\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00ean \u0111\u00f3 b\u1eb1ng m\u1ed9t trong hai c\u00f4ng ngh\u1ec7 ch\u00ednh.<\/p>\n<ul>\n<li>C\u00f4ng ngh\u1ec7 S\u1ea3n xu\u1ea5t M\u1ea1ch SMD (SMT): \u0110\u00e2y l\u00e0 <a href=\"https:\/\/productionscrews.com\/vi\/ultimate-guide-to-dimensional-inspection-from-basic-principles-to-modern-methods\/\"  data-wpil-monitor-id=\"430\" target=\"_blank\">ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh cho<\/a> \u0111i\u1ec7n t\u1eed. Qu\u00e1 tr\u00ecnh bao g\u1ed3m: 1) \u00e1p d\u1ee5ng m\u1ed9t l\u01b0\u1ee3ng ch\u00ednh x\u00e1c keo h\u00e0n l\u00ean c\u00e1c ch\u00e2n c\u1ee7a linh ki\u1ec7n tr\u00ean PCB; 2) s\u1eed d\u1ee5ng m\u00e1y \"pick-and-place\" t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c c\u00e1c linh ki\u1ec7n l\u00ean keo h\u00e0n; v\u00e0 3) \u0111\u01b0a to\u00e0n b\u1ed9 b\u1ea3ng m\u1ea1ch qua l\u00f2 nung ch\u1ea3y \u0111\u1ec3 l\u00e0m ch\u1ea3y keo h\u00e0n v\u00e0 h\u00ecnh th\u00e0nh c\u00e1c k\u1ebft n\u1ed1i. SMT l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1eb7t c\u00e1c linh ki\u1ec7n nh\u1ecf, m\u1eadt \u0111\u1ed9 cao nh\u01b0 \u0111i\u1ec7n tr\u1edf, t\u1ee5 \u0111i\u1ec7n v\u00e0 IC ph\u1ee9c t\u1ea1p x\u00e1c \u0111\u1ecbnh ph\u1ea7n c\u1ee9ng vi\u1ec5n th\u00f4ng.<\/li>\n<li>C\u00f4ng ngh\u1ec7 qua l\u1ed7 (THT): Ph\u01b0\u01a1ng ph\u00e1p c\u0169 n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u01b0a ch\u00e2n linh ki\u1ec7n qua c\u00e1c l\u1ed7 khoan tr\u00ean PCB r\u1ed3i h\u00e0n ch\u00fang \u1edf ph\u00eda \u0111\u1ed1i di\u1ec7n, th\u01b0\u1eddng s\u1eed d\u1ee5ng quy tr\u00ecnh h\u00e0n s\u00f3ng. M\u1eb7c d\u00f9 ph\u1ea7n l\u1edbn \u0111\u00e3 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng SMT \u0111\u1ec3 t\u0103ng m\u1eadt \u0111\u1ed9, THT v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c linh ki\u1ec7n y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i, nh\u01b0 c\u00e1c k\u1ebft n\u1ed1i l\u1edbn, t\u1ee5 \u0111i\u1ec7n c\u1ed3ng k\u1ec1nh v\u00e0 bi\u1ebfn \u00e1p ngu\u1ed3n.<\/li>\n<\/ul>\n<p>T\u1eeb g\u00f3c nh\u00ecn c\u1ee7a k\u1ef9 s\u01b0 l\u1eafp r\u00e1p, h\u1ea7u h\u1ebft c\u00e1c bo m\u1ea1ch vi\u1ec5n th\u00f4ng \u0111\u1ec1u s\u1eed d\u1ee5ng c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p, t\u1eadn d\u1ee5ng \u01b0u \u0111i\u1ec3m c\u1ee7a t\u1eebng ph\u01b0\u01a1ng ph\u00e1p. SMT \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho ph\u1ea7n l\u1edbn c\u00e1c linh ki\u1ec7n logic v\u00e0 RF \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1eadt \u0111\u1ed9 cao, trong khi THT \u0111\u01b0\u1ee3c d\u00e0nh cho c\u00e1c c\u1ed5ng I\/O v\u00e0 ngu\u1ed3n \u0111i\u1ec7n ch\u1eafc ch\u1eafn s\u1ebd ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c v\u1eadt l\u00fd.<\/p>\n<h3>H\u00e0n v\u00e0 K\u1ebft n\u1ed1i<\/h3>\n<p>M\u1ed1i h\u00e0n l\u00e0 li\u00ean k\u1ebft \u0111i\u1ec7n v\u00e0 c\u01a1 h\u1ecdc quan tr\u1ecdng gi\u1eefa linh ki\u1ec7n v\u00e0 b\u1ea3ng m\u1ea1ch in. Qu\u00e1 tr\u00ecnh n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ho\u00e0n h\u1ea3o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady.<\/p>\n<ul>\n<li>H\u00e0n Reflow: S\u1eed d\u1ee5ng cho SMT, qu\u00e1 tr\u00ecnh n\u00e0y d\u1ef1a v\u00e0o m\u1ed9t h\u1ed3 s\u01a1 nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c b\u00ean trong m\u1ed9t l\u00f2 d\u00e0i. B\u1ea3ng m\u1ea1ch di chuy\u1ec3n qua c\u00e1c khu v\u1ef1c ri\u00eang bi\u1ec7t\u2014l\u00e0m n\u00f3ng tr\u01b0\u1edbc, ng\u00e2m, reflow v\u00e0 l\u00e0m m\u00e1t\u2014\u0111\u1ec3 k\u00edch ho\u1ea1t flux, nung ch\u1ea3y h\u1ee3p kim h\u00e0n (th\u01b0\u1eddng l\u00e0 h\u1ee3p kim SAC305 kh\u00f4ng ch\u00ec g\u1ed3m thi\u1ebfc, b\u1ea1c v\u00e0 \u0111\u1ed3ng), sau \u0111\u00f3 l\u00e0m m\u00e1t c\u00e1c m\u1ed1i h\u00e0n m\u00e0 kh\u00f4ng g\u00e2y s\u1ed1c nhi\u1ec7t. H\u00ecnh d\u1ea1ng v\u00e0 th\u1eddi gian c\u1ee7a h\u1ed3 s\u01a1 n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ng\u0103n ng\u1eeba c\u00e1c l\u1ed7i.<\/li>\n<li>H\u00e0n s\u00f3ng: Ph\u01b0\u01a1ng ph\u00e1p c\u1ed5 \u0111i\u1ec3n cho THT, n\u01a1i m\u1eb7t d\u01b0\u1edbi c\u1ee7a b\u1ea3ng m\u1ea1ch \u0111\u01b0\u1ee3c \u0111\u01b0a qua m\u1ed9t l\u00e0n s\u00f3ng ch\u00ec n\u00f3ng ch\u1ea3y, d\u00f2ng ch\u1ea3y l\u00ean c\u00e1c l\u1ed7 xuy\u00ean qua v\u00e0 li\u00ean k\u1ebft c\u00e1c ch\u00e2n linh ki\u1ec7n.<\/li>\n<li>H\u00e0n ch\u00ec ch\u1ecdn l\u1ecdc: Tr\u00ean c\u00e1c bo m\u1ea1ch c\u00f4ng ngh\u1ec7 h\u1ed7n h\u1ee3p, n\u01a1i c\u00e1c th\u00e0nh ph\u1ea7n THT ph\u1ea3i \u0111\u01b0\u1ee3c th\u00eam sau qu\u00e1 tr\u00ecnh h\u00e0n reflow SMT, h\u00e0n ch\u00ec ch\u1ecdn l\u1ecdc s\u1eed d\u1ee5ng m\u1ed9t v\u00f2i h\u00e0n nh\u1ecf \u0111\u1ec3 nh\u1eafm v\u00e0o c\u00e1c m\u1ed1i n\u1ed1i ri\u00eang l\u1ebb m\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c th\u00e0nh ph\u1ea7n m\u1eb7t ph\u1eb3ng g\u1ea7n \u0111\u00f3.<\/li>\n<\/ul>\n<p>Trong t\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p, vi\u1ec7c s\u1eed d\u1ee5ng flux l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft. \u0110\u00f3 l\u00e0 m\u1ed9t ch\u1ea5t h\u00f3a h\u1ecdc gi\u00fap l\u00e0m s\u1ea1ch c\u00e1c b\u1ec1 m\u1eb7t kim lo\u1ea1i kh\u1ecfi oxit, cho ph\u00e9p h\u00e0n ch\u1ea3y t\u1ea1o th\u00e0nh li\u00ean k\u1ebft s\u1ea1ch s\u1ebd, ch\u1eafc ch\u1eafn gi\u1eefa c\u00e1c kim lo\u1ea1i.<\/p>\n<h2>Ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt chuy\u00ean s\u00e2u: Nh\u1eefng th\u00e1ch th\u1ee9c ch\u00ednh<\/h2>\n<p>M\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 l\u1eafp r\u00e1p l\u00e0 h\u1eefu \u00edch, nh\u01b0ng chuy\u00ean m\u00f4n th\u1ef1c s\u1ef1 n\u1eb1m \u1edf vi\u1ec7c v\u01b0\u1ee3t qua c\u00e1c th\u1eed th\u00e1ch \u0111\u1eb7c th\u00f9, c\u00f3 t\u00ednh r\u1ee7i ro cao li\u00ean quan \u0111\u1ebfn thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng hi\u1ec7u su\u1ea5t cao. Th\u00e0nh c\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi kh\u1ea3 n\u0103ng c\u1ee7a quy tr\u00ecnh l\u1eafp r\u00e1p trong vi\u1ec7c ki\u1ec3m so\u00e1t nhi\u1ec7t, duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u v\u00e0 gi\u1ea3m thi\u1ec3u nhi\u1ec5u.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/pixabay-693225.jpg\" height=\"853\" width=\"1280\" class=\"alignnone size-full wp-image-2664\" alt=\"\u1ed0c bu l\u00f4ng \u0111\u0129a ch\u00ednh x\u00e1c cao c\u1ed1 \u0111\u1ecbnh c\u00e1c th\u00e0nh ph\u1ea7n v\u1ec7 tinh.\" srcset=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/pixabay-693225.jpg 1280w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/pixabay-693225-300x200.jpg 300w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/pixabay-693225-768x512.jpg 768w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/pixabay-693225-18x12.jpg 18w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/> <\/p>\n<h3>Nguy\u00ean t\u1eafc 1: Qu\u1ea3n l\u00fd nhi\u1ec7t<\/h3>\n<p>V\u1ea5n \u0111\u1ec1: C\u00e1c th\u00e0nh ph\u1ea7n c\u00f4ng su\u1ea5t cao nh\u01b0 ASICs, FPGA, v\u00e0 B\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t l\u00e0 \u0111\u1ed9ng c\u01a1 c\u1ee7a thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng, nh\u01b0ng ch\u00fang t\u1ea1o ra nhi\u1ec7t l\u01b0\u1ee3ng l\u1edbn trong m\u1ed9t di\u1ec7n t\u00edch nh\u1ecf. M\u1ed9t b\u1ed9 x\u1eed l\u00fd 500W c\u00f3 m\u1eadt \u0111\u1ed9 nhi\u1ec7t v\u01b0\u1ee3t xa so v\u1edbi b\u1ebfp gas trong nh\u00e0 b\u1ebfp. Vi\u1ec7c l\u00e0m m\u00e1t k\u00e9m d\u1eabn \u0111\u1ebfn gi\u1ea3m hi\u1ec7u su\u1ea5t khi chip t\u1ef1 b\u1ea3o v\u1ec7 m\u00ecnh, v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 tu\u1ed5i th\u1ecd ho\u1ea1t \u0111\u1ed9ng gi\u1ea3m \u0111\u00e1ng k\u1ec3 do s\u1ef1 xu\u1ed1ng c\u1ea5p c\u1ee7a v\u1eadt li\u1ec7u g\u00e2y ra b\u1edfi nhi\u1ec7t.<\/p>\n<p>Gi\u1ea3i ph\u00e1p l\u1eafp r\u00e1p:<\/p>\n<ul>\n<li>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t (TIMs): \u0110\u00e2y l\u00e0 c\u00e1c v\u1eadt li\u1ec7u\u2014gel, mi\u1ebfng \u0111\u1ec7m ho\u1eb7c kem\u2014\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng gi\u1eefa th\u00e0nh ph\u1ea7n n\u00f3ng v\u00e0 b\u1ed9 t\u1ea3n nhi\u1ec7t c\u1ee7a n\u00f3. M\u1ee5c \u0111\u00edch duy nh\u1ea5t c\u1ee7a ch\u00fang l\u00e0 l\u1ea5p \u0111\u1ea7y c\u00e1c khe h\u1edf kh\u00f4ng kh\u00ed vi m\u00f4 v\u00e0 \u0111\u1ea3m b\u1ea3o m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn d\u1eabn nhi\u1ec7t hi\u1ec7u qu\u1ea3 \u0111\u1ec3 nhi\u1ec7t c\u00f3 th\u1ec3 truy\u1ec1n \u0111i. Vi\u1ec7c \u1ee9ng d\u1ee5ng \u0111\u00fang trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh c\u00e1c t\u00fai kh\u00ed.<\/li>\n<li>T\u1ea3n nhi\u1ec7t v\u00e0 \u1ed1ng d\u1eabn nhi\u1ec7t: T\u1ea3n nhi\u1ec7t t\u0103ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t \u0111\u1ec3 nhi\u1ec7t c\u00f3 th\u1ec3 t\u1ecfa ra kh\u00f4ng kh\u00ed. \u1ed0ng d\u1eabn nhi\u1ec7t v\u00e0 bu\u1ed3ng h\u01a1i l\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p ti\u00ean ti\u1ebfn h\u01a1n, s\u1eed d\u1ee5ng chu tr\u00ecnh bi\u1ebfn \u0111\u1ed5i pha c\u1ee7a ch\u1ea5t l\u1ecfng b\u00ean trong \u0111\u1ec3 chuy\u1ec3n nhi\u1ec7t v\u1edbi hi\u1ec7u su\u1ea5t c\u1ef1c cao. Qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p ph\u1ea3i \u0111\u1ea3m b\u1ea3o c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn, \u00e1p l\u1ef1c \u0111\u1ec1u cho c\u00e1c gi\u1ea3i ph\u00e1p n\u00e0y. V\u00ed d\u1ee5, nh\u00f4m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho t\u1ea3n nhi\u1ec7t (\u0111\u1ed9 d\u1eabn nhi\u1ec7t kho\u1ea3ng 205 W\/mK), trong khi \u0111\u1ed3ng (~398 W\/mK) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec7u su\u1ea5t cao h\u01a1n.<\/li>\n<li>T\u00edch h\u1ee3p thi\u1ebft k\u1ebf PCB: Qu\u1ea3n l\u00fd nhi\u1ec7t b\u1eaft \u0111\u1ea7u t\u1eeb c\u1ea5p \u0111\u1ed9 PCB. C\u00e1c k\u1ef9 thu\u1eadt nh\u01b0 \u0111\u1eb7t \u201ckhe nhi\u1ec7t\u201d tr\u1ef1c ti\u1ebfp d\u01b0\u1edbi pad sinh nhi\u1ec7t c\u1ee7a th\u00e0nh ph\u1ea7n t\u1ea1o ra m\u1ed9t k\u00eanh d\u1eabn nhi\u1ec7t tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c m\u1eb7t ph\u1eb3ng \u0111\u1ea5t v\u00e0 ngu\u1ed3n c\u1ee7a bo m\u1ea1ch, sau \u0111\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 nh\u1eefng b\u1ed9 ph\u00e2n t\u00e1n nhi\u1ec7t nh\u1ecf, nh\u00fang.<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td width=\"144\">Gi\u1ea3i ph\u00e1p<\/td>\n<td width=\"144\">C\u01a1 ch\u1ebf<\/td>\n<td width=\"144\">C\u00e1c th\u00e0nh ph\u1ea7n m\u1ee5c ti\u00eau<\/td>\n<td width=\"144\">C\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t khi l\u1eafp r\u00e1p ch\u00ednh<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>L\u1ed7 th\u00f4ng nhi\u1ec7t<\/strong><\/td>\n<td width=\"144\">D\u1eabn \u0111i\u1ec7n qua PCB<\/td>\n<td width=\"144\">IC c\u00f4ng su\u1ea5t cao (FPGAs, ASICs)<\/td>\n<td width=\"144\">\u0110\u1ed9 d\u00e0y m\u1ea1, l\u1ea5p \u0111\u1ea7y via (d\u1eabn \u0111i\u1ec7n so v\u1edbi kh\u00f4ng d\u1eabn \u0111i\u1ec7n)<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>B\u00e0n \u0111\u1ea1p\/Gel TIM<\/strong><\/td>\n<td width=\"144\">D\u1eabn nhi\u1ec7t \u0111\u1ebfn b\u1ed9 t\u1ea3n nhi\u1ec7t<\/td>\n<td width=\"144\">B\u1ed9 x\u1eed l\u00fd, B\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t<\/td>\n<td width=\"144\">\u00c1p l\u1ef1c \u0111\u1ed3ng \u0111\u1ec1u, tr\u00e1nh khe h\u1edf kh\u00f4ng kh\u00ed, <a href=\"https:\/\/productionscrews.com\/vi\/ultimate-guide-alloy-steel-screws-raw-material-selection-for-maximum-strength\/\"  data-wpil-monitor-id=\"427\" target=\"_blank\">l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u<\/a><\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>B\u1ed9 t\u1ea3n nhi\u1ec7t<\/strong><\/td>\n<td width=\"144\">Giao nhi\u1ec7t \u0111\u1ebfn kh\u00f4ng kh\u00ed<\/td>\n<td width=\"144\">B\u1ea5t k\u1ef3 th\u00e0nh ph\u1ea7n c\u00f4ng su\u1ea5t cao n\u00e0o<\/td>\n<td width=\"144\">L\u1eafp \u0111\u1eb7t an to\u00e0n, h\u01b0\u1edbng \u0111\u00fang \u0111\u1ec3 lu\u1ed3ng kh\u00f4ng kh\u00ed<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>Bu\u1ed3ng h\u01a1i<\/strong><\/td>\n<td width=\"144\">Thay \u0111\u1ed5i pha (l\u1ecfng-gas)<\/td>\n<td width=\"144\">T\u00ednh to\u00e1n c\u1ef1c k\u1ef3 d\u00e0y \u0111\u1eb7c, c\u00f4ng su\u1ea5t cao<\/td>\n<td width=\"144\">Thi\u1ebft k\u1ebf t\u00edch h\u1ee3p, x\u1eed l\u00fd c\u1ea9n th\u1eadn trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Nguy\u00ean t\u1eafc 2: T\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u v\u00e0 RF<\/h3>\n<p>V\u1ea5n \u0111\u1ec1: \u1ede t\u1ea7n s\u1ed1 \u0111a gigahertz c\u1ee7a 5G, Wi-Fi 6E v\u00e0 k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao, \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd c\u1ee7a PCB kh\u00f4ng c\u00f2n r\u00f5 r\u00e0ng n\u1eefa. C\u00e1c \u0111\u01b0\u1eddng d\u1eabn tr\u00ean b\u1ea3ng m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n, v\u00e0 b\u1ea5t k\u1ef3 sai s\u00f3t v\u1eadt l\u00fd n\u00e0o trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng t\u00edn hi\u1ec7u. S\u1ef1 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1ec1 tr\u1edf kh\u00e1ng g\u00e2y ph\u1ea3n x\u1ea1 l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u, nhi\u1ec5u ch\u00e9o gi\u1eefa c\u00e1c \u0111\u01b0\u1eddng d\u1eabn g\u1ea7n nhau t\u1ea1o ra ti\u1ebfng \u1ed3n, v\u00e0 t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u g\u00e2y m\u1ea5t t\u00edn hi\u1ec7u.<\/p>\n<p>Gi\u1ea3i ph\u00e1p l\u1eafp r\u00e1p:<\/p>\n<ul>\n<li>Tr\u1edf kh\u00e1ng ki\u1ec3m so\u00e1t: B\u1eaft \u0111\u1ea7u t\u1eeb qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o PCB, n\u01a1i chi\u1ec1u r\u1ed9ng \u0111\u01b0\u1eddng d\u1eabn, v\u1eadt li\u1ec7u n\u1ec1n v\u00e0 kho\u1ea3ng c\u00e1ch \u0111\u1ebfn c\u00e1c m\u1eb7t \u0111\u1ea5t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u1edf kh\u00e1ng c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5, 50 ohms cho RF). Qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p ph\u1ea3i tu\u00e2n th\u1ee7 thi\u1ebft k\u1ebf n\u00e0y v\u00e0 kh\u00f4ng g\u00e2y ra bi\u1ebfn s\u1ed1.<\/li>\n<li>Gi\u1ea3m thi\u1ec3u c\u00e1c \u0111o\u1ea1n kh\u00f4ng k\u1ebft th\u00fac: B\u1ea5t k\u1ef3 chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng d\u1eabn kh\u00f4ng k\u1ebft th\u00fac n\u00e0o, nh\u01b0 ph\u1ea7n c\u1ee7a via v\u01b0\u1ee3t qu\u00e1 l\u1edbp t\u00edn hi\u1ec7u, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \u201c\u0111o\u1ea1n anten\u201d c\u00f3 th\u1ec3 g\u00e2y ph\u1ea3n x\u1ea1 \u1edf t\u1ea7n s\u1ed1 cao. C\u00e1c k\u1ef9 thu\u1eadt l\u1eafp r\u00e1p nh\u01b0 khoan l\u00f9i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c \u0111o\u1ea1n n\u00e0y sau khi h\u00e0n.<\/li>\n<li>Ch\u1ed1ng nhi\u1ec5u RF: \u0110\u1ec3 ng\u0103n c\u00e1c m\u1ea1ch RF g\u00e2y nhi\u1ec5u l\u1eabn nhau ho\u1eb7c g\u00e2y nhi\u1ec5u ra b\u00ean ngo\u00e0i, ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c bao b\u1ecdc trong c\u00e1c \u201ch\u1ed9p RF\u201d kim lo\u1ea1i nh\u1ecf ho\u1eb7c c\u00e1c l\u1edbp ch\u1eafn. Qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p cho nh\u1eefng b\u1ed9 n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c h\u00e0n c\u1ea9n th\u1eadn vi\u1ec1n c\u1ee7a l\u1edbp ch\u1eafn v\u00e0o \u0111\u01b0\u1eddng \u0111\u1ea5t tr\u00ean PCB, t\u1ea1o th\u00e0nh m\u1ed9t chi\u1ebfc l\u1ed3ng Faraday ho\u00e0n ch\u1ec9nh \u0111\u1ec3 ch\u1ee9a c\u00e1c tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb.<\/li>\n<li>H\u01b0\u1edbng D\u1eabn Component: V\u1ecb tr\u00ed v\u1eadt l\u00fd c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n RF so v\u1edbi nhau v\u00e0 v\u1edbi c\u00e1c ph\u1ea7n k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a b\u1ea3ng m\u1ea1ch l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p. Quay v\u00f2ng m\u1ed9t th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ef1 c\u1ed9ng h\u01b0\u1edfng v\u00e0 nhi\u1ec5u kh\u00f4ng mong mu\u1ed1n.<\/li>\n<\/ul>\n<h3>Nguy\u00ean T\u1eafc 3: Gi\u1ea3m thi\u1ec3u EMI\/EMC<\/h3>\n<p>V\u1ea5n \u0111\u1ec1: T\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb (EMC) l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c g\u1ed3m hai ph\u1ea7n. Thi\u1ebft b\u1ecb kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ee7 Nhi\u1ec5u \u0110i\u1ec7n T\u1eeb (EMI) \u0111\u1ec3 g\u00e2y nhi\u1ec5u cho c\u00e1c thi\u1ebft b\u1ecb l\u00e2n c\u1eadn, v\u00e0 n\u00f3 ph\u1ea3i mi\u1ec5n nhi\u1ec5m v\u1edbi EMI b\u00ean ngo\u00e0i. Trong m\u1ed9t t\u1ee7 thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng d\u00e0y \u0111\u1eb7c, \u0111\u00e2y l\u00e0 y\u00eau c\u1ea7u c\u01a1 b\u1ea3n \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/p>\n<p>Gi\u1ea3i ph\u00e1p l\u1eafp r\u00e1p:<\/p>\n<ul>\n<li>K\u1ef9 Thu\u1eadt \u0110\u1ea5u N\u1ed1i \u0110\u1ea5t: \u0110\u1ea5u n\u1ed1i \u0111\u1ea5t \u0111\u00fang c\u00e1ch l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a EMC. Trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p cu\u1ed1i c\u00f9ng, c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c l\u1edbp che ch\u1eafn, k\u1ebft n\u1ed1i v\u00e0 khung m\u00e1y c\u00f3 k\u1ebft n\u1ed1i \u0111i\u1ec7n tr\u1edf th\u1ea5p v\u1edbi \u0111\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn y\u00eau c\u1ea7u m\u00f4-men xo\u1eafn c\u1ee5 th\u1ec3 cho v\u00edt v\u00e0 s\u1eed d\u1ee5ng \u0111\u0129a gi\u0103ng sao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o li\u00ean k\u1ebft kim lo\u1ea1i-kim lo\u1ea1i t\u1ed1t.<\/li>\n<li>Gasket v\u00e0 Ni\u00eam phong: \u0110\u1ec3 ng\u0103n n\u0103ng l\u01b0\u1ee3ng RF r\u00f2 r\u1ec9 ra kh\u1ecfi (ho\u1eb7c v\u00e0o) c\u00e1c m\u1ed1i n\u1ed1i c\u1ee7a khung kim lo\u1ea1i, c\u00e1c gasket d\u1eabn \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Ch\u00fang \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p cu\u1ed1i c\u00f9ng v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c n\u00e9n \u0111\u00fang c\u00e1ch \u0111\u1ec3 cung c\u1ea5p m\u1ed9t l\u1edbp ni\u00eam phong d\u1eabn \u0111i\u1ec7n li\u00ean t\u1ee5c.<\/li>\n<li>L\u1ecdc \u1edf c\u1ea5p th\u00e0nh ph\u1ea7n: H\u1ea1t ferrite v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n l\u1ecdc kh\u00e1c \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean c\u00e1c d\u00e2y ngu\u1ed3n v\u00e0 d\u00e2y I\/O ngay t\u1ea1i \u0111i\u1ec3m ch\u00fang v\u00e0o ho\u1eb7c ra kh\u1ecfi b\u1ea3ng m\u1ea1ch. Vi\u1ec7c \u0111\u1eb7t \u0111\u00fang v\u1ecb tr\u00ed v\u00e0 h\u00e0n ch\u1eafc ch\u1eafn trong qu\u00e1 tr\u00ecnh SMT r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3m nhi\u1ec5u t\u1ea7n s\u1ed1 cao.<\/li>\n<\/ul>\n<h2>\u0110\u1ea3m B\u1ea3o Ch\u1ea5t L\u01b0\u1ee3ng &amp; Ki\u1ec3m Tra<\/h2>\n<p>M\u1ed9t quy tr\u00ecnh l\u1eafp r\u00e1p k\u1ef9 thu\u1eadt xu\u1ea5t s\u1eafc l\u00e0 v\u00f4 ngh\u0129a n\u1ebfu kh\u00f4ng c\u00f3 x\u00e1c minh th\u1ef1c nghi\u1ec7m. \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t (QA) v\u00e0 ki\u1ec3m tra kh\u00f4ng ph\u1ea3i l\u00e0 b\u01b0\u1edbc cu\u1ed1i c\u00f9ng; ch\u00fang \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p xuy\u00ean su\u1ed1t qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i s\u1edbm nh\u1ea5t c\u00f3 th\u1ec3. \u0110i\u1ec1u n\u00e0y x\u00e2y d\u1ef1ng ni\u1ec1m tin v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t.<\/p>\n<h3>Ki\u1ec3m Tra Trong Qu\u00e1 Tr\u00ecnh S\u1ea3n Xu\u1ea5t<\/h3>\n<p>Ki\u1ec3m tra di\u1ec5n ra t\u1ea1i nhi\u1ec1u \u0111i\u1ec3m trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p \u0111\u1ec3 ng\u0103n ch\u1eb7n l\u1ed7i b\u1ecb truy\u1ec1n xu\u1ed1ng d\u00e2y chuy\u1ec1n.<\/p>\n<ul>\n<li>Ki\u1ec3m Tra M\u1ef1c H\u00e0n (SPI): Tr\u01b0\u1edbc khi \u0111\u1eb7t b\u1ea5t k\u1ef3 th\u00e0nh ph\u1ea7n n\u00e0o, m\u00e1y SPI 3D qu\u00e9t b\u1ea3ng m\u1ea1ch \u0111\u1ec3 x\u00e1c minh th\u1ec3 t\u00edch, c\u0103n ch\u1ec9nh v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a t\u1eebng l\u01b0\u1ee3ng m\u1ef1c h\u00e0n. L\u01b0\u1ee3ng h\u00e0n kh\u00f4ng ch\u00ednh x\u00e1c l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y l\u1ed7i trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p, v\u00e0 SPI ph\u00e1t hi\u1ec7n ngay l\u1eadp t\u1ee9c.<\/li>\n<li>Ki\u1ec3m Tra Quang H\u1ecdc T\u1ef1 \u0110\u1ed9ng (AOI): Sau khi c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0 h\u00e0n trong l\u00f2 nung ch\u1ea3y, m\u00e1y AOI s\u1eed d\u1ee5ng camera \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao \u0111\u1ec3 ki\u1ec3m tra t\u1eebng b\u1ea3ng m\u1ea1ch. N\u00f3 so s\u00e1nh b\u1ed9 l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh v\u1edbi h\u00ecnh \u1ea3nh \u201cb\u1ea3ng m\u1ea1ch v\u00e0ng\u201d, ph\u00e1t hi\u1ec7n l\u1ed7i c\u0103n ch\u1ec9nh (d\u1ecbch chuy\u1ec3n ho\u1eb7c sai ph\u1ea7n), v\u1ea5n \u0111\u1ec1 ph\u00e2n c\u1ef1c (\u0111i\u1ed1t \u0111\u1eb7t ng\u01b0\u1ee3c chi\u1ec1u), v\u00e0 c\u00e1c l\u1ed7i h\u00e0n ph\u1ed5 bi\u1ebfn nh\u01b0 c\u1ea7u ch\u00ec ho\u1eb7c h\u00e0n kh\u00f4ng \u0111\u1ee7.<\/li>\n<li>Ki\u1ec3m Tra X-quang T\u1ef1 \u0110\u1ed9ng (AXI): \u0110\u1ed1i v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 M\u1ea3ng B\u00f3ng B\u1ea3ng (BGA) v\u00e0 c\u00e1c IC l\u1edbn kh\u00e1c, c\u00e1c m\u1ed1i h\u00e0n n\u1eb1m d\u01b0\u1edbi th\u00e2n th\u00e0nh ph\u1ea7n, kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y b\u1eb1ng camera AOI. AXI l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 ki\u1ec3m tra c\u00e1c m\u1ed1i h\u00e0n \u1ea9n n\u00e0y. N\u00f3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n ch\u1eadp, m\u1edf m\u1ea1ch v\u00e0 c\u00e1c l\u1ed7 r\u1ed7ng trong b\u00f3ng h\u00e0n, l\u00e0m cho n\u00f3 tr\u1edf n\u00ean thi\u1ebft y\u1ebfu cho ph\u1ea7n c\u1ee9ng vi\u1ec5n th\u00f4ng hi\u1ec7n \u0111\u1ea1i n\u01a1i BGA ph\u1ed5 bi\u1ebfn.<\/li>\n<\/ul>\n<h3>Ki\u1ec3m Tra Ch\u1ee9c N\u0103ng Sau Khi L\u1eafp R\u00e1p<\/h3>\n<p>Sau khi ki\u1ec3m tra tr\u1ef1c quan v\u00e0 c\u1ea5u tr\u00fac, b\u1ea3ng m\u1ea1ch ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang. Qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra qua nhi\u1ec1u l\u1edbp.<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"144\">Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra<\/td>\n<td width=\"144\">Ch\u1eef vi\u1ebft t\u1eaft<\/td>\n<td width=\"144\">M\u1ee5c \u0111\u00edch<\/td>\n<td width=\"144\">Nh\u1eefng g\u00ec n\u00f3 ph\u00e1t hi\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>Ki\u1ec3m Tra Trong M\u1ea1ch<\/strong><\/td>\n<td width=\"144\">ICT<\/td>\n<td width=\"144\">Ki\u1ec3m tra c\u00e1c th\u00e0nh ph\u1ea7n ri\u00eang l\u1ebb tr\u00ean b\u1ea3ng m\u1ea1ch v\u1ec1 m\u1eb7t \u0111i\u1ec7n.<\/td>\n<td width=\"144\">Ch\u1eadp, m\u1edf m\u1ea1ch, gi\u00e1 tr\u1ecb th\u00e0nh ph\u1ea7n sai, l\u1ed7i h\u00e0n.<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>Ki\u1ec3m tra D\u00f2 quang bay<\/strong><\/td>\n<td width=\"144\">FPT<\/td>\n<td width=\"144\">L\u1ef1a ch\u1ecdn thay th\u1ebf kh\u00f4ng c\u1ed1 \u0111\u1ecbnh cho ICT, l\u00fd t\u01b0\u1edfng cho nguy\u00ean m\u1eabu.<\/td>\n<td width=\"144\">T\u01b0\u01a1ng t\u1ef1 nh\u01b0 ICT nh\u01b0ng ch\u1eadm h\u01a1n; ph\u00f9 h\u1ee3p cho c\u00e1c l\u00f4 s\u1ea3n xu\u1ea5t nh\u1ecf.<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>Ki\u1ec3m tra M\u1ea1ch ch\u1ee9c n\u0103ng<\/strong><\/td>\n<td width=\"144\">FCT<\/td>\n<td width=\"144\">C\u1ea5p ngu\u1ed3n cho bo m\u1ea1ch v\u00e0 x\u00e1c minh ch\u1ee9c n\u0103ng th\u1ef1c t\u1ebf c\u1ee7a n\u00f3.<\/td>\n<td width=\"144\">X\u00e1c minh r\u1eb1ng thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng nh\u01b0 thi\u1ebft k\u1ebf (v\u00ed d\u1ee5: kh\u1edfi \u0111\u1ed9ng, truy\u1ec1n d\u1eef li\u1ec7u).<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>Ki\u1ec3m tra H\u1ec7 th\u1ed1ng \/ Th\u1eed nghi\u1ec7m Burn-In<\/strong><\/td>\n<td width=\"144\">SLT<\/td>\n<td width=\"144\">Ch\u1ea1y b\u1ed9 ho\u00e0n ch\u1ec9nh d\u01b0\u1edbi \u00e1p l\u1ef1c (nhi\u1ec7t \u0111\u1ed9, t\u1ea3i) trong th\u1eddi gian d\u00e0i.<\/td>\n<td width=\"144\">C\u00e1c l\u1ed7i ban \u0111\u1ea7u, v\u1ea5n \u0111\u1ec1 nhi\u1ec7t, l\u1ed7i ng\u1eaft qu\u00e3ng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ki\u1ec3m tra to\u00e0n di\u1ec7n nh\u1ea5t l\u00e0 Ki\u1ec3m tra H\u1ec7 th\u1ed1ng ho\u1eb7c \u201cBurn-In\u201d. B\u1ed9 ho\u00e0n ch\u1ec9nh \u0111\u01b0\u1ee3c \u0111\u1eb7t trong bu\u1ed3ng nhi\u1ec7t, v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i gi\u1eefa n\u00f3ng v\u00e0 l\u1ea1nh trong khi ch\u1ea1y t\u1ea3i ch\u1ea9n \u0111o\u00e1n \u0111\u1ea7y \u0111\u1ee7. Ki\u1ec3m tra c\u0103ng th\u1eb3ng n\u00e0y nh\u1eb1m th\u00fac \u0111\u1ea9y v\u00e0 ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 l\u1ed7i ti\u1ec1m \u1ea9n ho\u1eb7c l\u1ed7i \u201ct\u1eed vong s\u01a1 sinh\u201d c\u00f3 th\u1ec3 x\u1ea3y ra trong v\u00e0i th\u00e1ng \u0111\u1ea7u v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf.<\/p>\n<h2>K\u1ebft lu\u1eadn: T\u01b0\u01a1ng lai c\u1ee7a l\u1eafp r\u00e1p<\/h2>\n<p>L\u1eafp r\u00e1p thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng l\u00e0 m\u1ed9t khoa h\u1ecdc qu\u1ea3n l\u00fd c\u00e1c gi\u1edbi h\u1ea1n v\u1eadt l\u00fd. \u0110\u00f3 l\u00e0 <a href=\"https:\/\/productionscrews.com\/vi\/ultimate-guide-to-flange-screws-connection-engineering-principles-best-practices\/\"  data-wpil-monitor-id=\"426\" target=\"_blank\">\u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u00e1c nguy\u00ean l\u00fd k\u1ef9 thu\u1eadt \u0111i\u1ec7n v\u00e0 c\u01a1 kh\u00ed<\/a> \u0111\u1ec3 ki\u1ec3m so\u00e1t nhi\u1ec7t, b\u1ea3o v\u1ec7 t\u00edn hi\u1ec7u t\u1ea7n s\u1ed1 cao, v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n ngu\u1ed3n \u0111i\u1ec7n th\u00f4ng qua m\u1ed9t lo\u1ea1t c\u00e1c quy tr\u00ecnh ch\u00ednh x\u00e1c, l\u1eb7p l\u1ea1i \u0111\u01b0\u1ee3c. M\u1ed9t qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p th\u00e0nh c\u00f4ng kh\u00f4ng ph\u1ea3i l\u00e0 ng\u1eabu nhi\u00ean; \u0111\u00f3 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c l\u1ef1a ch\u1ecdn c\u00f3 ch\u1ee7 \u0111\u00edch v\u1ec1 v\u1eadt li\u1ec7u, ki\u1ec3m so\u00e1t quy tr\u00ecnh v\u00e0 x\u00e1c minh nhi\u1ec1u l\u1edbp.<\/p>\n<h3>T\u1ed5ng h\u1ee3p c\u00e1c \u0111i\u1ec3m ch\u00ednh<\/h3>\n<p>C\u00e1c nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i c\u1ee7a s\u1ef1 xu\u1ea5t s\u1eafc trong l\u1eafp r\u00e1p vi\u1ec5n th\u00f4ng c\u00f3 th\u1ec3 t\u00f3m t\u1eaft th\u00e0nh b\u1ed1n l\u0129nh v\u1ef1c ch\u00ednh:<\/p>\n<ul>\n<li>Khoa h\u1ecdc v\u1eadt li\u1ec7u l\u00e0 n\u1ec1n t\u1ea3ng. L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u n\u1ec1n PCB v\u00e0 v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t t\u1ea7n s\u1ed1 cao v\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/li>\n<li>Qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ed9 quan tr\u1ecdng kh\u00f4ng k\u00e9m g\u00ec thi\u1ebft k\u1ebf \u0111i\u1ec7n t\u1eed. Nhi\u1ec7t l\u00e0 k\u1ebb th\u00f9 ch\u00ednh c\u1ee7a \u0111\u1ed9 tin c\u1eady, v\u00e0 vi\u1ec7c gi\u1ea3m nhi\u1ec7t ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0o t\u1eebng giai \u0111o\u1ea1n c\u1ee7a qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/li>\n<li>Ki\u1ec3m so\u00e1t quy tr\u00ecnh l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. \u0110\u1ed9 ch\u00ednh x\u00e1c trong vi\u1ec7c \u0111\u1eb7t linh ki\u1ec7n SMT v\u00e0 ki\u1ec3m so\u00e1t h\u1ed3 s\u01a1 h\u00e0n l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 ng\u0103n ch\u1eb7n c\u00e1c l\u1ed7i ti\u1ec1m \u1ea9n g\u00e2y ra s\u1ef1 c\u1ed1 trong th\u1ef1c t\u1ebf.<\/li>\n<li>Ki\u1ec3m tra nghi\u00eam ng\u1eb7t l\u00e0 s\u1ef1 \u0111\u1ea3m b\u1ea3o duy nh\u1ea5t. Chi\u1ebfn l\u01b0\u1ee3c x\u00e1c minh nhi\u1ec1u giai \u0111o\u1ea1n s\u1eed d\u1ee5ng SPI, AOI, AXI v\u00e0 FCT l\u00e0 c\u00e1ch duy nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m ra kh\u1ecfi nh\u00e0 m\u00e1y v\u1edbi g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 l\u1ed7i.<\/li>\n<\/ul>\n<h3>Xu h\u01b0\u1edbng m\u1edbi n\u1ed5i tr\u00ean ch\u00e2n tr\u1eddi<\/h3>\n<p>Ng\u00e0nh c\u00f4ng nghi\u1ec7p l\u1eafp r\u00e1p ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi nhu c\u1ea7u kh\u00f4ng ng\u1eebng v\u1ec1 thi\u1ebft b\u1ecb nh\u1ecf h\u01a1n, nhanh h\u01a1n v\u00e0 m\u1ea1nh m\u1ebd h\u01a1n.<\/p>\n<ul>\n<li>Robot ti\u00ean ti\u1ebfn &amp; Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o: C\u00e1c d\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p ng\u00e0y c\u00e0ng th\u00f4ng minh h\u01a1n. AI \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a \u0111\u01b0\u1eddng \u0111i pick-and-place, d\u1ef1 \u0111o\u00e1n khi n\u00e0o m\u00e1y c\u1ea7n b\u1ea3o tr\u00ec, v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u ki\u1ec3m tra \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 h\u1ec7 th\u1ed1ng trong th\u1eddi gian th\u1ef1c.<\/li>\n<li>\u0110i\u1ec7n t\u1eed 3D \/ S\u1ea3n xu\u1ea5t c\u1ed9ng th\u00eam: Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111ang kh\u00e1m ph\u00e1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u01b0\u1ee3t ra ngo\u00e0i PCB ph\u1eb3ng, s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 c\u1ed9ng th\u00eam \u0111\u1ec3 in m\u1ea1ch v\u00e0 anten tr\u1ef1c ti\u1ebfp l\u00ean c\u00e1c b\u1ec1 m\u1eb7t 3D c\u1ee7a khung s\u1ea3n ph\u1ea9m.<\/li>\n<li>T\u00edch h\u1ee3p quang h\u1ecdc: Khi t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u ti\u1ebfp t\u1ee5c t\u0103ng, ranh gi\u1edbi gi\u1eefa \u0111i\u1ec7n t\u1eed v\u00e0 quang h\u1ecdc \u0111ang m\u1edd d\u1ea7n. Quang h\u1ecdc t\u00edch h\u1ee3p chung, n\u01a1i c\u00e1c b\u1ed9 truy\u1ec1n quang \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean c\u00f9ng m\u1ed9t n\u1ec1n t\u1ea3ng v\u1edbi ASIC x\u1eed l\u00fd ch\u00ednh, \u0111\u1ea1i di\u1ec7n cho m\u1ed9t th\u00e1ch th\u1ee9c l\u1eafp r\u00e1p l\u1edbn trong t\u01b0\u01a1ng lai, \u0111\u00f2i h\u1ecfi c\u00e1c k\u1ef9 thu\u1eadt m\u1edbi cho t\u00edch h\u1ee3p lai.<\/li>\n<\/ul>\n<p>Th\u00e0nh th\u1ea1o c\u00e1c nguy\u00ean t\u1eafc k\u1ef9 thu\u1eadt <a href=\"https:\/\/productionscrews.com\/vi\/advanced-precision-turning-engineering-principles-that-drive-perfect-results\/\"  data-wpil-monitor-id=\"431\" target=\"_blank\">\u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y \u1edf \u0111\u00e2y l\u00e0 n\u1ec1n t\u1ea3ng cho b\u1ea5t k\u1ef3 k\u1ef9 s\u01b0<\/a> ho\u1eb7c t\u1ed5 ch\u1ee9c n\u00e0o tham gia x\u00e2y d\u1ef1ng m\u1ea1ng l\u01b0\u1edbi truy\u1ec1n th\u00f4ng ng\u00e0y nay. Khi ch\u00fang ta ti\u1ebfn t\u1edbi m\u1ed9t th\u1ebf gi\u1edbi k\u1ebft n\u1ed1i h\u01a1n, ki\u1ebfn th\u1ee9c \u0111\u1ec3 l\u1eafp r\u00e1p h\u1ea1 t\u1ea7ng quan tr\u1ecdng n\u00e0y m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady s\u1ebd ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng.<\/p>\n<ul>\n<li class=\"whitespace-normal break-words\"><strong>Ti\u00eau chu\u1ea9n IPC \u2013 Wikipedia<\/strong> <a class=\"underline\" href=\"https:\/\/en.wikipedia.org\/wiki\/IPC_(electronics)\" target=\"_blank\" rel=\"noopener\">https:\/\/en.wikipedia.org\/wiki\/IPC_(electronics)<\/a><\/li>\n<li class=\"whitespace-normal break-words\"><strong>Trang web ch\u00ednh th\u1ee9c c\u1ee7a Ti\u00eau chu\u1ea9n IPC<\/strong> <a class=\"underline\" href=\"https:\/\/www.electronics.org\/ipc-standards\" target=\"_blank\" rel=\"noopener\">https:\/\/www.electronics.org\/ipc-standards<\/a><\/li>\n<li class=\"whitespace-normal break-words\"><strong>C\u00f4ng ngh\u1ec7 M\u1eb7t n\u1ed5i \u2013 Wikipedia<\/strong> <a class=\"underline\" href=\"https:\/\/en.wikipedia.org\/wiki\/Surface-mount_technology\" target=\"_blank\" rel=\"noopener\">https:\/\/en.wikipedia.org\/wiki\/Surface-mount_technology<\/a><\/li>\n<li class=\"whitespace-normal break-words\"><strong>H\u01b0\u1edbng d\u1eabn Ti\u00eau chu\u1ea9n IPC \u2013 Thi\u1ebft k\u1ebf \u0111i\u1ec7n t\u1eed<\/strong> <a class=\"underline\" href=\"https:\/\/www.electronicdesign.com\/technologies\/embedded\/article\/21216532\/mer-mar-electronics-ipc-standards-for-pcbs-what-are-they-and-why-do-they-matter\" target=\"_blank\" rel=\"noopener\">https:\/\/www.electronicdesign.com\/technologies\/embedded\/article\/21216532\/mer-mar-electronics-ipc-standards-for-pcbs-what-are-they-and-why-do-they-matter<\/a><\/li>\n<li class=\"whitespace-normal break-words\"><strong>H\u01b0\u1edbng d\u1eabn Ti\u00eau chu\u1ea9n IPC \u2013 Wevolver<\/strong> <a class=\"underline\" href=\"https:\/\/www.wevolver.com\/article\/mastering-ipc-standards-the-definitive-guide-for-electronics-engineers-and-pcb-designers\" target=\"_blank\" rel=\"noopener\">https:\/\/www.wevolver.com\/article\/mastering-ipc-standards-the-definitive-guide-for-electronics-engineers-and-pcb-designers<\/a><\/li>\n<li class=\"whitespace-normal break-words\"><strong>H\u01b0\u1edbng d\u1eabn L\u1eafp r\u00e1p PCB SMT \u2013 Wevolver<\/strong> <a class=\"underline\" href=\"https:\/\/www.wevolver.com\/article\/smt-pcb-assembly-a-comprehensive-guide-to-surface-mount-technology-in-electronics\" target=\"_blank\" rel=\"noopener\">https:\/\/www.wevolver.com\/article\/smt-pcb-assembly-a-comprehensive-guide-to-surface-mount-technology-in-electronics<\/a><\/li>\n<li class=\"whitespace-normal break-words\"><strong>Quy tr\u00ecnh M\u1eb7t n\u1ed5i \u2013 T\u00e0i nguy\u00ean SMT<\/strong> <a class=\"underline\" href=\"https:\/\/www.surfacemountprocess.com\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.surfacemountprocess.com\/<\/a><\/li>\n<li class=\"whitespace-normal break-words\"><strong>SMT l\u00e0 g\u00ec \u2013 Wevolver<\/strong> <a class=\"underline\" href=\"https:\/\/www.wevolver.com\/article\/what-is-smt\" target=\"_blank\" rel=\"noopener\">https:\/\/www.wevolver.com\/article\/what-is-smt<\/a><\/li>\n<li class=\"whitespace-normal break-words\"><strong>Quy tr\u00ecnh S\u1ea3n xu\u1ea5t SMT \u2013 Wevolver<\/strong> <a class=\"underline\" href=\"https:\/\/www.wevolver.com\/article\/smt-process\" target=\"_blank\" rel=\"noopener\">https:\/\/www.wevolver.com\/article\/smt-process<\/a><\/li>\n<li class=\"whitespace-normal break-words\"><strong>C\u00f4ng ngh\u1ec7 l\u1eafp r\u00e1p b\u1ec1 m\u1eb7t trong l\u1eafp r\u00e1p PCB<\/strong> <a class=\"underline\" href=\"https:\/\/www.pcbnet.com\/blog\/surface-mount-technology-pcb-assembly-process\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.pcbnet.com\/blog\/surface-mount-technology-pcb-assembly-process\/<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>X\u00e2y d\u1ef1ng thi\u1ebft b\u1ecb \u0111i\u1ec7n tho\u1ea1i v\u00e0 Internet: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 Gi\u1edbi thi\u1ec7u: Hi\u1ec3u bi\u1ebft v\u1ec1 nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n Vi\u1ec7c x\u00e2y d\u1ef1ng thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh k\u1ef9 thu\u1eadt c\u1ea9n th\u1eadn. N\u00f3 c\u00f2n h\u01a1n c\u1ea3 vi\u1ec7c l\u1eafp r\u00e1p c\u00e1c b\u1ed9 ph\u1eadn tr\u00ean m\u1ed9t b\u1ea3ng m\u1ea1ch. \u0110\u00e2y l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh chi ti\u1ebft tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc nghi\u00eam ng\u1eb7t, trong \u0111\u00f3 th\u00e0nh c\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o t\u00edn hi\u1ec7u r\u00f5 r\u00e0ng, nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i. M\u1ed9t sai s\u00f3t nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng v\u00e0 g\u00e2y ra nh\u1eefng h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng.<\/p>","protected":false},"author":1,"featured_media":2670,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-2667","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-5g-communication-fasteners"],"_links":{"self":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/2667","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/comments?post=2667"}],"version-history":[{"count":3,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/2667\/revisions"}],"predecessor-version":[{"id":2870,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/2667\/revisions\/2870"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media\/2670"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media?parent=2667"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/categories?post=2667"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/tags?post=2667"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}