{"id":511,"date":"2025-11-11T18:05:29","date_gmt":"2025-11-11T10:05:29","guid":{"rendered":"https:\/\/www.bestpcb.vn\/2025\/11\/11\/may-kiem-tra-ict-no-la-gi-kiem-tra-ict-so-voi-kiem-tra-fct\/"},"modified":"2026-01-02T18:38:48","modified_gmt":"2026-01-02T10:38:48","slug":"may-kiem-tra-ict-no-la-gi-kiem-tra-ict-so-voi-kiem-tra-fct","status":"publish","type":"post","link":"https:\/\/www.bestpcb.vn\/vi\/2025\/11\/11\/may-kiem-tra-ict-no-la-gi-kiem-tra-ict-so-voi-kiem-tra-fct\/","title":{"rendered":"M\u00e1y ki\u1ec3m tra ICT: N\u00f3 l\u00e0 g\u00ec? Ki\u1ec3m tra ICT so v\u1edbi Ki\u1ec3m tra FCT"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.bestpcb.vn\/vi\/2025\/11\/11\/may-kiem-tra-ict-no-la-gi-kiem-tra-ict-so-voi-kiem-tra-fct\/#May_kiem_tra_ICT_la_gi\" >M\u00e1y ki\u1ec3m tra ICT l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.bestpcb.vn\/vi\/2025\/11\/11\/may-kiem-tra-ict-no-la-gi-kiem-tra-ict-so-voi-kiem-tra-fct\/#Chuc_nang_cua_May_kiem_tra_ICT_la_gi\" >Ch\u1ee9c n\u0103ng c\u1ee7a M\u00e1y ki\u1ec3m tra ICT l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.bestpcb.vn\/vi\/2025\/11\/11\/may-kiem-tra-ict-no-la-gi-kiem-tra-ict-so-voi-kiem-tra-fct\/#Tam_quan_trong_cua_Kiem_tra_ICT_trong_Bang_mach\" >T\u1ea7m quan tr\u1ecdng c\u1ee7a Ki\u1ec3m tra ICT trong B\u1ea3ng m\u1ea1ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.bestpcb.vn\/vi\/2025\/11\/11\/may-kiem-tra-ict-no-la-gi-kiem-tra-ict-so-voi-kiem-tra-fct\/#Uu_diem_va_Nhuoc_diem_cua_Kiem_tra_ICT\" >\u01afu \u0111i\u1ec3m v\u00e0 Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Ki\u1ec3m tra ICT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.bestpcb.vn\/vi\/2025\/11\/11\/may-kiem-tra-ict-no-la-gi-kiem-tra-ict-so-voi-kiem-tra-fct\/#Kiem_tra_ICT_so_voi_Kiem_tra_FCT\" >Ki\u1ec3m tra ICT so v\u1edbi Ki\u1ec3m tra FCT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.bestpcb.vn\/vi\/2025\/11\/11\/may-kiem-tra-ict-no-la-gi-kiem-tra-ict-so-voi-kiem-tra-fct\/#Cac_thanh_phan_duoc_kiem_tra_trong_Kiem_tra_Trong_Mach\" >C\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra trong Ki\u1ec3m tra Trong M\u1ea1ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.bestpcb.vn\/vi\/2025\/11\/11\/may-kiem-tra-ict-no-la-gi-kiem-tra-ict-so-voi-kiem-tra-fct\/#Cac_loi_ma_Kiem_tra_ICT_co_the_phat_hien_trong_PCB\" >C\u00e1c l\u1ed7i m\u00e0 Ki\u1ec3m tra ICT c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n trong PCB<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.bestpcb.vn\/vi\/2025\/11\/11\/may-kiem-tra-ict-no-la-gi-kiem-tra-ict-so-voi-kiem-tra-fct\/#Thiet_ke_bo_co_dinh_va_Nguyen_tac_kiem_tra\" >Thi\u1ebft k\u1ebf b\u1ed9 c\u1ed1 \u0111\u1ecbnh v\u00e0 Nguy\u00ean t\u1eafc ki\u1ec3m tra<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.bestpcb.vn\/vi\/2025\/11\/11\/may-kiem-tra-ict-no-la-gi-kiem-tra-ict-so-voi-kiem-tra-fct\/#Phan_mem_Kiem_tra_Trong_Mach_Thuong_Dung\" >Ph\u1ea7n m\u1ec1m Ki\u1ec3m tra Trong M\u1ea1ch Th\u01b0\u1eddng D\u00f9ng<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">M\u00e1y ki\u1ec3m tra ICT gi\u00fap x\u00e1c minh r\u1eb1ng m\u1ed7i th\u00e0nh ph\u1ea7n tr\u00ean PCB \u0111\u01b0\u1ee3c \u0111\u1eb7t \u0111\u00fang v\u1ecb tr\u00ed, h\u00e0n ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ea3m b\u1ea3o v\u1ec1 \u0111i\u1ec7n. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra b\u1ec1 m\u1eb7t ch\u1ec9 ki\u1ec3m tra c\u00e1c khuy\u1ebft t\u1eadt v\u1ec1 h\u00ecnh \u1ea3nh, ICT \u0111i s\u00e2u v\u00e0o t\u00ednh to\u00e0n v\u1eb9n \u0111i\u1ec7n c\u1ee7a b\u1ea3ng m\u1ea1ch. N\u00f3 \u0111o l\u01b0\u1eddng \u0111i\u1ec7n tr\u1edf, \u0111i\u1ec7n dung v\u00e0 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c v\u1ea5n \u0111\u1ec1\u2014tr\u01b0\u1edbc khi ch\u00fang ph\u00e1t tri\u1ec3n th\u00e0nh c\u00e1c l\u1ed7i t\u1ed1n k\u00e9m ho\u1eb7c h\u1ecfng h\u00f3c tr\u00ean th\u1ef1c \u0111\u1ecba.  <\/p>\n\n<p class=\"wp-block-paragraph\">D\u00f9 l\u00e0 cho \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, h\u1ec7 th\u1ed1ng \u00f4 t\u00f4 hay thi\u1ebft b\u1ecb h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, ki\u1ec3m tra ICT l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch \u0111\u00e1ng tin c\u1eady nh\u1ea5t \u0111\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m nh\u1ea5t qu\u00e1n trong s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn.<\/p>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"513\" height=\"370\" src=\"http:\/\/bestpcb.vn\/wp-content\/uploads\/2025\/11\/4da11e7ca7294dca9005bf96edaad1e0.png\" alt=\"\" class=\"wp-image-380\" srcset=\"https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2025\/11\/4da11e7ca7294dca9005bf96edaad1e0.png 513w, https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2025\/11\/4da11e7ca7294dca9005bf96edaad1e0-300x216.png 300w\" sizes=\"auto, (max-width: 513px) 100vw, 513px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"May_kiem_tra_ICT_la_gi\"><\/span>M\u00e1y ki\u1ec3m tra ICT l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">M\u00e1y ki\u1ec3m tra <strong><a href=\"https:\/\/www.bestpcbs.com\/blog\/2024\/10\/what-is-ict-full-form-in-pcb\/\" title=\"\">ICT tester<\/a><\/strong> (In-Circuit Tester) l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n ki\u1ec3m tra \u0111i\u1ec7n tr\u00ean c\u00e1c PCB \u0111\u00e3 l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh. N\u00f3 s\u1eed d\u1ee5ng m\u1ed9t b\u1ed9 c\u1ed1 \u0111\u1ecbnh d\u1ea1ng gi\u01b0\u1eddng \u0111inh, bao g\u1ed3m h\u00e0ng ng\u00e0n \u0111\u1ea7u d\u00f2 l\u00f2 xo ti\u1ebfp x\u00fac v\u1edbi c\u00e1c \u0111i\u1ec3m ki\u1ec3m tra tr\u00ean b\u1ea3ng m\u1ea1ch. C\u00e1c \u0111\u1ea7u d\u00f2 n\u00e0y \u00e1p d\u1ee5ng c\u00e1c t\u00edn hi\u1ec7u \u0111i\u1ec7n\u2014\u0111i\u1ec7n \u00e1p ho\u1eb7c d\u00f2ng \u0111i\u1ec7n\u2014\u0111\u1ec3 \u0111o xem c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 ho\u1ea1t \u0111\u1ed9ng trong ph\u1ea1m vi dung sai mong \u0111\u1ee3i hay kh\u00f4ng.  <\/p>\n\n<p class=\"wp-block-paragraph\">K\u1ebft qu\u1ea3 ki\u1ec3m tra \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi m\u1ed9t &#8220;b\u1ea3ng m\u1ea1ch v\u00e0ng&#8221; ho\u1eb7c thi\u1ebft k\u1ebf tham chi\u1ebfu c\u1ee7a m\u1ea1ch. N\u1ebfu m\u1ed9t gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c l\u1ec7ch kh\u1ecfi ph\u1ea1m vi mong \u0111\u1ee3i, m\u00e1y ki\u1ec3m tra s\u1ebd \u0111\u00e1nh d\u1ea5u n\u00f3 l\u00e0 m\u1ed9t l\u1ed7i. <\/p>\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng ICT th\u01b0\u1eddng bao g\u1ed3m b\u1ed1n y\u1ebfu t\u1ed1 ch\u00ednh:<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>1. Test Fixture:<\/strong> Giao di\u1ec7n c\u01a1 h\u1ecdc gi\u1eef c\u00e1c \u0111\u1ea7u d\u00f2 ti\u1ebfp x\u00fac v\u1eadt l\u00fd v\u1edbi PCB.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>2. Measurement Unit:<\/strong> M\u1ed9t h\u1ec7 th\u1ed1ng c\u00e1c thi\u1ebft b\u1ecb ch\u00ednh x\u00e1c t\u1ea1o ra t\u00edn hi\u1ec7u v\u00e0 thu th\u1eadp c\u00e1c ph\u1ea3n h\u1ed3i \u0111i\u1ec7n.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>3. Controller &amp; Software:<\/strong> M\u1ed9t m\u00e1y t\u00ednh ch\u1ea1y c\u00e1c chu\u1ed7i ki\u1ec3m tra v\u00e0 di\u1ec5n gi\u1ea3i d\u1eef li\u1ec7u \u0111o l\u01b0\u1eddng.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>4. User Interface:<\/strong> Hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3 ki\u1ec3m tra, ch\u1ea9n \u0111o\u00e1n v\u00e0 ph\u00e2n t\u00edch l\u1ed7i.<\/p>\n\n<p class=\"wp-block-paragraph\">C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng x\u00e1c minh h\u00e0ng tr\u0103m n\u00fat trong v\u00e0i gi\u00e2y, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t PCB c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn.<\/p>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"859\" height=\"629\" src=\"http:\/\/bestpcb.vn\/wp-content\/uploads\/2025\/11\/ICT-tester.png\" alt=\"M&#xE1;y ki&#x1EC3;m tra ICT: N&#xF3; l&#xE0; g&#xEC;? Ki&#x1EC3;m tra ICT so v&#x1EDB;i Ki&#x1EC3;m tra FCT \" class=\"wp-image-370\" srcset=\"https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2025\/11\/ICT-tester.png 859w, https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2025\/11\/ICT-tester-300x220.png 300w, https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2025\/11\/ICT-tester-768x562.png 768w\" sizes=\"auto, (max-width: 859px) 100vw, 859px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chuc_nang_cua_May_kiem_tra_ICT_la_gi\"><\/span>Ch\u1ee9c n\u0103ng c\u1ee7a M\u00e1y ki\u1ec3m tra ICT l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a m\u00e1y ki\u1ec3m tra ICT l\u00e0 <strong>\u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi k\u1ebft n\u1ed1i \u0111i\u1ec7n v\u00e0 th\u00e0nh ph\u1ea7n tr\u00ean PCB ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch<\/strong>. N\u00f3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n m\u1ed9t chu\u1ed7i c\u00e1c b\u00e0i ki\u1ec3m tra \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00e1c th\u00f4ng s\u1ed1 kh\u00e1c nhau: <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Continuity Testing:<\/strong> Ki\u1ec3m tra c\u00e1c m\u1ea1ch h\u1edf ho\u1eb7c \u0111\u01b0\u1eddng d\u1eabn b\u1ecb \u0111\u1ee9t.<\/li>\n\n\n\n<li><strong>Short-Circuit Detection:<\/strong> X\u00e1c \u0111\u1ecbnh c\u00e1c k\u1ebft n\u1ed1i kh\u00f4ng mong mu\u1ed1n gi\u1eefa c\u00e1c m\u1ea1ng ho\u1eb7c th\u00e0nh ph\u1ea7n.<\/li>\n\n\n\n<li><strong>Component Verification:<\/strong> \u0110o \u0111i\u1ec7n tr\u1edf, \u0111i\u1ec7n dung v\u00e0 \u0111i\u1ec7n c\u1ea3m \u0111\u1ec3 x\u00e1c nh\u1eadn gi\u00e1 tr\u1ecb v\u00e0 h\u01b0\u1edbng c\u1ee7a th\u00e0nh ph\u1ea7n.<\/li>\n\n\n\n<li><strong>IC Testing:<\/strong> S\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng vector ho\u1eb7c qu\u00e9t bi\u00ean \u0111\u1ec3 x\u00e1c minh s\u1ef1 hi\u1ec7n di\u1ec7n v\u00e0 k\u1ebft n\u1ed1i c\u1ee7a c\u00e1c m\u1ea1ch t\u00edch h\u1ee3p.<\/li>\n\n\n\n<li><strong>Power Rail Validation:<\/strong> \u0110\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u01b0\u1eddng cung c\u1ea5p \u0111i\u1ec7n \u00e1p v\u00e0 \u0111\u01b0\u1eddng n\u1ed1i \u0111\u1ea5t kh\u00f4ng b\u1ecb ng\u1eafn tr\u01b0\u1edbc khi c\u1ea5p ngu\u1ed3n.<\/li>\n\n\n\n<li><strong>Programming &amp; Calibration:<\/strong> Trong c\u00e1c thi\u1ebft l\u1eadp n\u00e2ng cao, m\u00e1y ki\u1ec3m tra ICT c\u0169ng c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh vi \u0111i\u1ec1u khi\u1ec3n v\u00e0 hi\u1ec7u chu\u1ea9n c\u00e1c m\u1ea1ch t\u01b0\u01a1ng t\u1ef1 t\u1ef1 \u0111\u1ed9ng.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tam_quan_trong_cua_Kiem_tra_ICT_trong_Bang_mach\"><\/span>T\u1ea7m quan tr\u1ecdng c\u1ee7a Ki\u1ec3m tra ICT trong B\u1ea3ng m\u1ea1ch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">T\u1ea7m quan tr\u1ecdng c\u1ee7a ki\u1ec3m tra ICT v\u01b0\u1ee3t xa vi\u1ec7c ph\u00e1t hi\u1ec7n l\u1ed7i\u2014n\u00f3 li\u00ean quan \u0111\u1ebfn <strong>ki\u1ec3m so\u00e1t quy tr\u00ecnh, \u0111\u1ed9 tin c\u1eady, v\u00e0 t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed<\/strong>. Trong s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i, n\u01a1i c\u00e1c \u0111\u1ee3t s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn h\u00e0ng ng\u00e0n b\u1ea3ng m\u1ed7i ng\u00e0y, ki\u1ec3m tra th\u1ee7 c\u00f4ng l\u00e0 kh\u00f4ng \u0111\u1ee7. <\/p>\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra \u0111i\u1ec7n t\u1eed ICT mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch quan tr\u1ecdng:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Early Fault Detection:<\/strong> Ph\u00e1t hi\u1ec7n l\u1ed7i ngay sau khi l\u1eafp r\u00e1p tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c l\u1ed7i t\u1ed1n k\u00e9m \u1edf giai \u0111o\u1ea1n sau.<\/li>\n\n\n\n<li><strong>Data-Driven Quality Control:<\/strong> D\u1eef li\u1ec7u ki\u1ec3m tra thu th\u1eadp \u0111\u01b0\u1ee3c gi\u00fap c\u00e1c k\u1ef9 s\u01b0 x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 quy tr\u00ecnh l\u1eb7p l\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 sai l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 h\u00e0n ho\u1eb7c l\u1ed7i \u0111\u1eb7t.<\/li>\n\n\n\n<li><strong>Reduced Rework:<\/strong> C\u00e1c b\u1ea3ng l\u1ed7i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ea9n \u0111o\u00e1n v\u00e0 s\u1eeda ch\u1eefa nhanh ch\u00f3ng, c\u1ea3i thi\u1ec7n th\u00f4ng l\u01b0\u1ee3ng.<\/li>\n\n\n\n<li><strong>Enhanced Customer Confidence:<\/strong> Cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 x\u00e1c minh nh\u1ea5t qu\u00e1n c\u1ee7ng c\u1ed1 s\u1ef1 tin t\u01b0\u1edfng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a th\u01b0\u01a1ng hi\u1ec7u.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u00f4 t\u00f4 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5\u2014n\u01a1i an to\u00e0n v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e0 t\u1ed1i quan tr\u1ecdng\u2014ki\u1ec3m tra ICT kh\u00f4ng ph\u1ea3i l\u00e0 t\u00f9y ch\u1ecdn; n\u00f3 l\u00e0 b\u1eaft bu\u1ed9c. Vi\u1ec7c x\u00e1c minh \u0111i\u1ec7n c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi b\u1ea3ng r\u1eddi kh\u1ecfi nh\u00e0 m\u00e1y \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7u su\u1ea5t nghi\u00eam ng\u1eb7t. <\/p>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"803\" height=\"577\" src=\"http:\/\/bestpcb.vn\/wp-content\/uploads\/2025\/11\/d27be53c87df4b82945d444c2b8c6fcb.png\" alt=\"T&#x1EA7;m quan tr&#x1ECD;ng c&#x1EE7;a Ki&#x1EC3;m tra ICT trong B&#x1EA3;ng m&#x1EA1;ch\" class=\"wp-image-375\" srcset=\"https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2025\/11\/d27be53c87df4b82945d444c2b8c6fcb.png 803w, https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2025\/11\/d27be53c87df4b82945d444c2b8c6fcb-300x216.png 300w, https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2025\/11\/d27be53c87df4b82945d444c2b8c6fcb-768x552.png 768w\" sizes=\"auto, (max-width: 803px) 100vw, 803px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Uu_diem_va_Nhuoc_diem_cua_Kiem_tra_ICT\"><\/span>\u01afu \u0111i\u1ec3m v\u00e0 Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Ki\u1ec3m tra ICT<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\"><strong>\u01afu \u0111i\u1ec3m c\u1ee7a Ki\u1ec3m tra ICT<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>High Accuracy:<\/strong> ICT cung c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c \u1edf c\u1ea5p \u0111\u1ed9 th\u00e0nh ph\u1ea7n. N\u00f3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n ngay c\u1ea3 nh\u1eefng bi\u1ebfn \u0111\u1ed5i nh\u1ecf trong gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf ho\u1eb7c r\u00f2 r\u1ec9 t\u1ee5 \u0111i\u1ec7n c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i gi\u00e1n \u0111o\u1ea1n. <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>Speed and Repeatability:<\/strong> M\u1ed9t khi b\u1ed9 c\u1ed1 \u0111\u1ecbnh \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng, th\u1eddi gian ki\u1ec3m tra m\u1ed7i b\u1ea3ng th\u01b0\u1eddng d\u01b0\u1edbi 10 gi\u00e2y, ho\u00e0n h\u1ea3o cho c\u00e1c kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t l\u1edbn.<\/li>\n\n\n\n<li><strong>Comprehensive Diagnostics:<\/strong> C\u00e1c l\u1ed7i kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n m\u00e0 c\u00f2n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed. C\u00e1c k\u1ef9 s\u01b0 bi\u1ebft ch\u00ednh x\u00e1c mi\u1ebfng \u0111\u1ec7m ho\u1eb7c th\u00e0nh ph\u1ea7n n\u00e0o \u0111\u00e3 th\u1ea5t b\u1ea1i. <\/li>\n\n\n\n<li><strong>Automation Capability:<\/strong> ICT c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng h\u00f3a ho\u00e0n to\u00e0n v\u00e0 t\u00edch h\u1ee3p v\u00e0o c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t SMT \u0111\u1ec3 ki\u1ec3m tra tr\u1ef1c tuy\u1ebfn.<\/li>\n\n\n\n<li><strong>Data Traceability:<\/strong> K\u1ebft qu\u1ea3 ki\u1ec3m tra c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u0111\u1ec3 truy xu\u1ea5t\u2014c\u1ea7n thi\u1ebft cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111i\u1ec7n t\u1eed y t\u1ebf ho\u1eb7c \u00f4 t\u00f4.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Ki\u1ec3m tra ICT<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m, ICT c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>High Fixture Cost:<\/strong> C\u00e1c b\u1ed9 c\u1ed1 \u0111\u1ecbnh ki\u1ec3m tra t\u00f9y ch\u1ec9nh v\u1edbi h\u00e0ng ng\u00e0n \u0111\u1ea7u d\u00f2 c\u00f3 th\u1ec3 t\u1ed1n h\u00e0ng ng\u00e0n \u0111\u00f4 la. Thi\u1ebft l\u1eadp n\u00e0y ch\u1ec9 kinh t\u1ebf cho c\u00e1c \u0111\u1ee3t s\u1ea3n xu\u1ea5t l\u1edbn. <\/li>\n\n\n\n<li><strong>Limited High-Frequency Testing:<\/strong> ICT t\u1eadp trung v\u00e0o c\u00e1c th\u00f4ng s\u1ed1 \u0111i\u1ec7n t\u0129nh v\u00e0 t\u1ea7n s\u1ed1 th\u1ea5p. N\u00f3 kh\u00f4ng th\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00e1c ch\u1ee9c n\u0103ng ph\u1ee5 thu\u1ed9c v\u00e0o th\u1eddi gian ho\u1eb7c h\u00e0nh vi RF. <\/li>\n\n\n\n<li><strong>Fixture Maintenance:<\/strong> Theo th\u1eddi gian, \u0111\u1ea7u d\u00f2 b\u1ecb m\u00f2n ho\u1eb7c b\u1ecb nhi\u1ec5m b\u1ea9n v\u1edbi d\u01b0 l\u01b0\u1ee3ng th\u00f4ng l\u01b0\u1ee3ng, c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch ho\u1eb7c thay th\u1ebf th\u01b0\u1eddng xuy\u00ean.<\/li>\n\n\n\n<li><strong>Design Constraints:<\/strong> PCB ph\u1ea3i bao g\u1ed3m c\u00e1c mi\u1ebfng \u0111\u1ec7m ki\u1ec3m tra t\u1ea1i c\u00e1c \u0111i\u1ec3m c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn. N\u1ebfu kh\u00f4ng c\u00f3 c\u00e1c c\u00e2n nh\u1eafc thi\u1ebft k\u1ebf cho ki\u1ec3m tra (DFT) th\u00edch h\u1ee3p, ph\u1ea1m vi bao ph\u1ee7 ICT gi\u1ea3m \u0111\u00e1ng k\u1ec3. <\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Ngay c\u1ea3 v\u1edbi nh\u1eefng h\u1ea1n ch\u1ebf n\u00e0y, l\u1ee3i \u00edch th\u01b0\u1eddng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n chi ph\u00ed\u2014\u0111\u1eb7c bi\u1ec7t khi \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 l\u00e2u d\u00e0i l\u00e0 \u01b0u ti\u00ean.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_ICT_so_voi_Kiem_tra_FCT\"><\/span>Ki\u1ec3m tra ICT so v\u1edbi Ki\u1ec3m tra FCT<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\"><strong>ICT (In-Circuit Testing)<\/strong> v\u00e0 <strong>FCT (Functional Circuit Testing)<\/strong> b\u1ed5 sung cho nhau trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t PCB, nh\u01b0ng ch\u00fang ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Ki\u1ec3m tra ICT<\/strong> x\u00e1c minh <strong>c\u00e1ch b\u1ea3ng m\u1ea1ch \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng<\/strong>\u2014ki\u1ec3m tra r\u1eb1ng m\u1ecdi th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1eb7t \u0111\u00fang v\u1ecb tr\u00ed v\u00e0 ho\u1ea1t \u0111\u1ed9ng trong th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. \u0110\u00e2y l\u00e0 m\u1ed9t b\u00e0i ki\u1ec3m tra c\u1ea5u tr\u00fac, t\u1eadp trung v\u00e0o t\u00ednh to\u00e0n v\u1eb9n \u0111i\u1ec7n tr\u01b0\u1edbc khi c\u1ea5p ngu\u1ed3n. <\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra FCT<\/strong> x\u00e1c minh <strong>c\u00e1ch b\u1ea3ng m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng<\/strong>\u2014n\u00f3 c\u1ea5p ngu\u1ed3n cho to\u00e0n b\u1ed9 m\u1ea1ch \u0111\u1ec3 xem n\u00f3 ho\u1ea1t \u0111\u1ed9ng theo ch\u1ee9c n\u0103ng thi\u1ebft k\u1ebf c\u1ee7a n\u00f3.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t so s\u00e1nh nhanh:<\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Kh\u00eda c\u1ea1nh<\/strong><\/td><td><strong>Ki\u1ec3m tra ICT<\/strong><\/td><td><strong>Ki\u1ec3m tra FCT<\/strong><\/td><\/tr><tr><td>Lo\u1ea1i ki\u1ec3m tra<\/td><td>C\u1ea5u tr\u00fac<\/td><td>Ch\u1ee9c n\u0103ng<\/td><\/tr><tr><td>Ph\u1ea1m vi<\/td><td>Th\u00e0nh ph\u1ea7n v\u00e0 k\u1ebft n\u1ed1i<\/td><td>Ho\u1ea1t \u0111\u1ed9ng to\u00e0n b\u1ed9 m\u1ea1ch<\/td><\/tr><tr><td>Y\u00eau c\u1ea7u ngu\u1ed3n \u0111i\u1ec7n<\/td><td>Th\u01b0\u1eddng kh\u00f4ng c\u1ea5p ngu\u1ed3n<\/td><td>C\u1ea5p ngu\u1ed3n (m\u1ea1ch s\u1ed1ng)<\/td><\/tr><tr><td>Ph\u1ea1m vi l\u1ed7i<\/td><td>H\u1edf\/ng\u1eafn, thi\u1ebfu, sai, ph\u00e2n c\u1ef1c<\/td><td>Ph\u1ea7n m\u1ec1m, th\u1eddi gian, hi\u1ec7u su\u1ea5t<\/td><\/tr><tr><td>Chi ph\u00ed b\u1ed9 c\u1ed1 \u0111\u1ecbnh<\/td><td>Cao<\/td><td>Trung b\u00ecnh<\/td><\/tr><tr><td>T\u1ed1c \u0111\u1ed9<\/td><td>R\u1ea5t nhanh<\/td><td>Ch\u1eadm h\u01a1n<\/td><\/tr><tr><td>S\u1eed d\u1ee5ng l\u00fd t\u01b0\u1edfng<\/td><td>S\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t<\/td><td>X\u00e1c minh cu\u1ed1i c\u00f9ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p class=\"wp-block-paragraph\">Trong th\u1ef1c t\u1ebf, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng c\u1ea3 ICT v\u00e0 FCT c\u00f9ng nhau \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng ho\u00e0n ch\u1ec9nh. ICT l\u1ecdc ra c\u00e1c v\u1ea5n \u0111\u1ec1 l\u1eafp r\u00e1p, trong khi FCT x\u00e1c nh\u1eadn ch\u1ee9c n\u0103ng cu\u1ed1i c\u00f9ng\u2014t\u1ea1o ra m\u1ed9t m\u1ea1ng l\u01b0\u1edbi an to\u00e0n hai giai \u0111o\u1ea1n ch\u1ed1ng l\u1ea1i c\u00e1c l\u1ed7i. <\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_thanh_phan_duoc_kiem_tra_trong_Kiem_tra_Trong_Mach\"><\/span>C\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra trong Ki\u1ec3m tra Trong M\u1ea1ch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra ICT c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 g\u1ea7n nh\u01b0 m\u1ecdi th\u00e0nh ph\u1ea7n th\u1ee5 \u0111\u1ed9ng v\u00e0 ch\u1ee7 \u0111\u1ed9ng tr\u00ean m\u1ed9t b\u1ea3ng m\u1ea1ch, bao g\u1ed3m:<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>1. Resistors:<\/strong> \u0110\u01b0\u1ee3c x\u00e1c minh v\u1ec1 \u0111i\u1ec7n tr\u1edf v\u00e0 v\u1ecb tr\u00ed ch\u00ednh x\u00e1c. Ngay c\u1ea3 m\u1ed9t \u0111\u1ed9 l\u1ec7ch dung sai 1% c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>2. Capacitors:<\/strong> \u0110\u01b0\u1ee3c \u0111o l\u01b0\u1eddng v\u1ec1 \u0111i\u1ec7n dung v\u00e0 r\u00f2 r\u1ec9. Ph\u00e1t hi\u1ec7n c\u00e1c gi\u00e1 tr\u1ecb kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c trong t\u1ee5 \u0111i\u1ec7n \u0111i\u1ec7n ph\u00e2n. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>3. Inductors:<\/strong> \u0110\u01b0\u1ee3c ki\u1ec3m tra v\u1ec1 t\u00ednh li\u00ean t\u1ee5c v\u00e0 ph\u1ea1m vi \u0111i\u1ec7n c\u1ea3m mong \u0111\u1ee3i.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>4. Diodes &amp; LEDs:<\/strong> \u0110\u01b0\u1ee3c ki\u1ec3m tra v\u1ec1 \u0111i\u1ec7n \u00e1p thu\u1eadn v\u00e0 h\u01b0\u1edbng ch\u00ednh x\u00e1c.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>5. Transistors &amp; MOSFETs:<\/strong> \u0110\u01b0\u1ee3c x\u00e1c minh v\u1ec1 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1ed1i n\u1ed1i v\u00e0 c\u1ea5u h\u00ecnh ch\u00e2n.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>6.<\/strong> <strong>Connectors:<\/strong> \u0110\u1ea3m b\u1ea3o c\u00f3 t\u00ednh li\u00ean t\u1ee5c ho\u00e0n ch\u1ec9nh v\u00e0 n\u1ed1i \u0111\u1ea5t ch\u00ednh x\u00e1c.<\/p>\n\n<ol class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng ICT ti\u00ean ti\u1ebfn th\u1eadm ch\u00ed t\u00edch h\u1ee3p <strong>ki\u1ec3m tra qu\u00e9t bi\u00ean (JTAG)<\/strong> \u0111\u1ec3 truy c\u1eadp t\u00edn hi\u1ec7u trong c\u00e1c g\u00f3i BGA d\u00e0y \u0111\u1eb7c, m\u00e0 c\u00e1c \u0111\u1ea7u d\u00f2 v\u1eadt l\u00fd kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_loi_ma_Kiem_tra_ICT_co_the_phat_hien_trong_PCB\"><\/span>C\u00e1c l\u1ed7i m\u00e0 Ki\u1ec3m tra ICT c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n trong PCB<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">ICT c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n nhi\u1ec1u lo\u1ea1i l\u1ed7i \u0111i\u1ec7n v\u00e0 l\u1eafp r\u00e1p. M\u1ed9t s\u1ed1 l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t bao g\u1ed3m: <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Open Circuits:<\/strong> G\u00e2y ra b\u1edfi c\u00e1c \u0111\u01b0\u1eddng d\u1eabn b\u1ecb \u0111\u1ee9t ho\u1eb7c m\u1ed1i h\u00e0n k\u00e9m.<\/li>\n\n\n\n<li><strong>Short Circuits:<\/strong> Do c\u1ea7u h\u00e0n gi\u1eefa c\u00e1c mi\u1ebfng \u0111\u1ec7m li\u1ec1n k\u1ec1.<\/li>\n\n\n\n<li><strong>Incorrect Component Values:<\/strong> \u0110i\u1ec7n tr\u1edf ho\u1eb7c t\u1ee5 \u0111i\u1ec7n c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt sai.<\/li>\n\n\n\n<li><strong>Missing Components:<\/strong> C\u00e1c mi\u1ebfng \u0111\u1ec7m tr\u1ed1ng do l\u1ed7i c\u1ea5p li\u1ec7u ho\u1eb7c l\u1ed7i \u0111\u1eb7t.<\/li>\n\n\n\n<li><strong>Polarity Errors:<\/strong> \u0110\u1eb7c bi\u1ec7t trong \u0111i\u1ed1t, t\u1ee5 \u0111i\u1ec7n \u0111i\u1ec7n ph\u00e2n v\u00e0 \u0111\u00e8n LED.<\/li>\n\n\n\n<li><strong>Lifted Pads:<\/strong> Khi h\u00e0n kh\u00f4ng b\u00e1m ch\u1eafc v\u00e0o mi\u1ebfng \u0111\u1ec7m.<\/li>\n\n\n\n<li><strong>Unprogrammed or Faulty ICs:<\/strong> \u0110\u01b0\u1ee3c ph\u00e1t hi\u1ec7n th\u00f4ng qua qu\u00e9t bi\u00ean ho\u1eb7c ki\u1ec3m tra kh\u00f4ng vector.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i n\u00e0y s\u1edbm trong d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t kh\u00f4ng ch\u1ec9 gi\u1ea3m chi ph\u00ed t\u00e1i l\u00e0m m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n t\u1ef7 l\u1ec7 s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady giao h\u00e0ng c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thiet_ke_bo_co_dinh_va_Nguyen_tac_kiem_tra\"><\/span>Thi\u1ebft k\u1ebf b\u1ed9 c\u1ed1 \u0111\u1ecbnh v\u00e0 Nguy\u00ean t\u1eafc ki\u1ec3m tra<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">B\u1ed9 <strong>c\u1ed1 \u0111\u1ecbnh ki\u1ec3m tra<\/strong> l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a b\u1ea5t k\u1ef3 thi\u1ebft l\u1eadp ICT n\u00e0o. N\u00f3 l\u00e0 m\u1ed9t khung c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c \u0111\u1ea7u d\u00f2 l\u00f2 xo (\u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;pogo pins&#8221;) ti\u1ebfp x\u00fac v\u1edbi c\u00e1c mi\u1ebfng \u0111\u1ec7m ki\u1ec3m tra c\u1ee7a PCB. <\/p>\n\n<p class=\"wp-block-paragraph\">C\u00f3 hai lo\u1ea1i b\u1ed9 c\u1ed1 \u0111\u1ecbnh ch\u00ednh:<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>1. Vacuum Fixture:<\/strong> S\u1eed d\u1ee5ng \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed \u00e2m \u0111\u1ec3 k\u00e9o PCB ch\u1eafc ch\u1eafn v\u00e0o gi\u01b0\u1eddng \u0111\u1ea7u d\u00f2, \u0111\u1ea3m b\u1ea3o ti\u1ebfp x\u00fac \u1ed5n \u0111\u1ecbnh.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>2. Mechanical Clamper:<\/strong> S\u1eed d\u1ee5ng c\u00e1nh tay kh\u00ed n\u00e9n ho\u1eb7c c\u01a1 h\u1ecdc \u0111\u1ec3 \u00e9p b\u1ea3ng v\u00e0o v\u1ecb tr\u00ed, ph\u00f9 h\u1ee3p cho ki\u1ec3m tra hai m\u1eb7t.<\/p>\n\n<p class=\"wp-block-paragraph\">M\u1ed7i \u0111\u1ea7u d\u00f2 k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t k\u00eanh \u0111o trong h\u1ec7 th\u1ed1ng ICT, cho ph\u00e9p ki\u1ec3m tra \u0111\u1ed3ng th\u1eddi nhi\u1ec1u \u0111i\u1ec3m. C\u00e1c \u0111\u1ea7u d\u00f2 ph\u1ea3i c\u0103n ch\u1ec9nh ho\u00e0n h\u1ea3o v\u1edbi c\u00e1c mi\u1ebfng \u0111\u1ec7m ki\u1ec3m tra, th\u01b0\u1eddng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 50\u2013100 mil v\u00e0 \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 \u0111\u1ec1u tr\u00ean b\u1ea3ng. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Design-for-Test (DFT)<\/strong> rules are essential when designing a PCB for ICT:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Cung c\u1ea5p c\u00e1c mi\u1ebfng \u0111\u1ec7m ki\u1ec3m tra c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn cho t\u1ea5t c\u1ea3 c\u00e1c m\u1ea1ng ch\u00ednh.<\/li>\n\n\n\n<li>Tr\u00e1nh \u0111\u1eb7t c\u00e1c th\u00e0nh ph\u1ea7n cao g\u1ea7n c\u00e1c \u0111i\u1ec3m ki\u1ec3m tra.<\/li>\n\n\n\n<li>\u0110\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch mi\u1ebfng \u0111\u1ec7m \u0111\u1ee7 \u0111\u1ec3 ng\u0103n ng\u1eafn m\u1ea1ch.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Nguy\u00ean t\u1eafc <strong>ki\u1ec3m tra<\/strong> tu\u00e2n theo <strong>\u0110\u1ecbnh lu\u1eadt Ohm<\/strong> v\u00e0 l\u00fd thuy\u1ebft m\u1ea1ch. ICT ti\u00eam d\u00f2ng \u0111i\u1ec7n ho\u1eb7c \u0111i\u1ec7n \u00e1p \u0111\u00e3 bi\u1ebft v\u00e0o c\u00e1c n\u00fat c\u1ee5 th\u1ec3 v\u00e0 \u0111o ph\u1ea3n h\u1ed3i \u0111\u1ec3 t\u00ednh to\u00e1n c\u00e1c th\u00f4ng s\u1ed1 th\u00e0nh ph\u1ea7n th\u1ef1c t\u1ebf. V\u00ed d\u1ee5, n\u1ebfu \u0111i\u1ec7n tr\u1edf gi\u1eefa hai n\u00fat l\u1ec7ch kh\u1ecfi gi\u00e1 tr\u1ecb danh ngh\u0129a c\u1ee7a n\u00f3, \u0111i\u1ec1u \u0111\u00f3 ch\u1ec9 ra m\u1ed9t l\u1ed7i ti\u1ec1m n\u0103ng nh\u01b0 h\u1edf ho\u1eb7c ng\u1eafn.  <\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Phan_mem_Kiem_tra_Trong_Mach_Thuong_Dung\"><\/span>Ph\u1ea7n m\u1ec1m Ki\u1ec3m tra Trong M\u1ea1ch Th\u01b0\u1eddng D\u00f9ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">M\u00e1y ki\u1ec3m tra ICT d\u1ef1a v\u00e0o c\u00e1c n\u1ec1n t\u1ea3ng ph\u1ea7n m\u1ec1m m\u1ea1nh m\u1ebd \u0111\u1ec3 thi\u1ebft k\u1ebf, \u0111i\u1ec1u khi\u1ec3n, v\u00e0 ph\u00e2n t\u00edch c\u00e1c b\u00e0i ki\u1ec3m tra. M\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m <strong>ki\u1ec3m tra trong m\u1ea1ch ph\u1ed5 bi\u1ebfn<\/strong> nh\u1ea5t bao g\u1ed3m: <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>1. Keysight 3070 (formerly Agilent):<\/strong> M\u1ed9t ti\u00eau chu\u1ea9n v\u00e0ng trong ng\u00e0nh, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho c\u1ea3 ki\u1ec3m tra m\u1ea1ch t\u01b0\u01a1ng t\u1ef1 v\u00e0 k\u1ef9 thu\u1eadt s\u1ed1. N\u00f3 h\u1ed7 tr\u1ee3 t\u00edch h\u1ee3p qu\u00e9t bi\u00ean v\u00e0 ph\u00e1t tri\u1ec3n ki\u1ec3m tra linh ho\u1ea1t. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>2. Teradyne TestStation:<\/strong> N\u1ed5i ti\u1ebfng v\u1edbi ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 cao v\u00e0 x\u1eed l\u00fd song song, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng \u00f4 t\u00f4 v\u00e0 vi\u1ec5n th\u00f4ng.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>3. SPEA Flying Probe Systems:<\/strong> Tuy\u1ec7t v\u1eddi cho s\u1ea3n xu\u1ea5t nguy\u00ean m\u1eabu ho\u1eb7c kh\u1ed1i l\u01b0\u1ee3ng th\u1ea5p m\u00e0 kh\u00f4ng c\u1ea7n c\u00e1c b\u1ed9 c\u1ed1 \u0111\u1ecbnh \u0111\u1eaft ti\u1ec1n.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>4. Takaya APT Series:<\/strong> Cung c\u1ea5p ki\u1ec3m tra kh\u00f4ng c\u1ea7n b\u1ed9 c\u1ed1 \u0111\u1ecbnh v\u1edbi \u0111\u1ecbnh v\u1ecb \u0111\u1ea7u d\u00f2 ch\u00ednh x\u00e1c cao v\u00e0 thay \u0111\u1ed5i nhanh ch\u00f3ng.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>5. Ph\u1ea7n m\u1ec1m JTAG Technologies:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng ph\u1ea1m vi ki\u1ec3m tra cho c\u00e1c PCB d\u00e0y \u0111\u1eb7c, cho ph\u00e9p truy c\u1eadp v\u00e0o c\u00e1c ch\u00e2n BGA v\u00e0 logic n\u1ed9i b\u1ed9.<\/p>\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">T\u1ea1i <strong><a href=\"http:\/\/bestpcb.vn\/\" title=\"\">Best Technology<\/a><\/strong>, ki\u1ec3m tra ICT l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 l\u1eafp r\u00e1p PCB c\u1ee7a ch\u00fang t\u00f4i. M\u1ed7i b\u1ea3ng m\u1ea1ch \u0111\u1ec1u tr\u1ea3i qua ki\u1ec3m tra quang h\u1ecdc t\u1ef1 \u0111\u1ed9ng (AOI) v\u00e0 x\u00e1c minh ICT tr\u01b0\u1edbc khi \u0111\u1ebfn ki\u1ec3m tra ch\u1ee9c n\u0103ng. <\/p>\n\n<p class=\"wp-block-paragraph\">Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng <strong>ph\u1ea7n m\u1ec1m ki\u1ec3m tra trong m\u1ea1ch<\/strong> ti\u00ean ti\u1ebfn k\u1ebft h\u1ee3p v\u1edbi c\u00e1c b\u1ed9 c\u1ed1 \u0111\u1ecbnh ki\u1ec3m tra c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00e1c PCB \u0111a l\u1edbp, m\u1eadt \u0111\u1ed9 cao. D\u00f9 l\u00e0 cho \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u00f4 t\u00f4 hay thi\u1ebft b\u1ecb y t\u1ebf, quy tr\u00ecnh ICT c\u1ee7a ch\u00fang t\u00f4i cung c\u1ea5p k\u1ebft qu\u1ea3 ki\u1ec3m tra ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i. <\/p>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u <strong>ki\u1ec3m tra \u0111i\u1ec7n t\u1eed ICT<\/strong> v\u1edbi h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt chuy\u00ean nghi\u1ec7p v\u00e0 qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e1ng tin c\u1eady, <strong>Best Technology<\/strong> cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ki\u1ec3m tra v\u00e0 s\u1ea3n xu\u1ea5t PCB \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh theo ti\u00eau chu\u1ea9n ng\u00e0nh \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1y ki\u1ec3m tra ICT gi\u00fap x\u00e1c minh r\u1eb1ng m\u1ed7i th\u00e0nh ph\u1ea7n tr\u00ean PCB \u0111\u01b0\u1ee3c \u0111\u1eb7t \u0111\u00fang v\u1ecb tr\u00ed, h\u00e0n ch\u00ednh [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":384,"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":"","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[10,119],"tags":[121,120],"class_list":["post-511","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-blog-2","tag-kiem-tra-dien-tu-ict","tag-may-kiem-tra-ict"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/posts\/511","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/comments?post=511"}],"version-history":[{"count":1,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/posts\/511\/revisions"}],"predecessor-version":[{"id":512,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/posts\/511\/revisions\/512"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/media\/384"}],"wp:attachment":[{"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/media?parent=511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/categories?post=511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/tags?post=511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}