{"id":1937,"date":"2026-03-24T16:59:22","date_gmt":"2026-03-24T09:59:22","guid":{"rendered":"https:\/\/makipos.com\/?p=1937"},"modified":"2026-03-25T09:56:39","modified_gmt":"2026-03-25T02:56:39","slug":"in-circuit-testing-ict-la-gi","status":"publish","type":"post","link":"https:\/\/makipos.com\/vi\/in-circuit-testing-ict-la-gi\/","title":{"rendered":"In-Circuit Testing (ICT) l\u00e0 g\u00ec? So s\u00e1nh v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p test kh\u00e1c"},"content":{"rendered":"<p><em><span style=\"font-weight: 400;\">Trong s\u1ea3n xu\u1ea5t bo m\u1ea1ch \u0111i\u1ec7n t\u1eed, vi\u1ec7c ki\u1ec3m tra sau khi l\u1eafp r\u00e1p \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. In-Circuit Testing (ICT) l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn gi\u00fap ki\u1ec3m tra linh ki\u1ec7n v\u00e0 k\u1ebft n\u1ed1i tr\u00ean bo m\u1ea1ch m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c. Nh\u1edd \u0111\u00f3, ICT c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c l\u1ed7i trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t tr\u01b0\u1edbc khi chuy\u1ec3n sang c\u00e1c b\u01b0\u1edbc ki\u1ec3m tra ti\u1ebfp theo. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u ICT l\u00e0 g\u00ec v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra n\u00e0y c\u00f3 g\u00ec kh\u00e1c so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u00f2n l\u1ea1i.<\/span><\/em><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/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:\/\/makipos.com\/vi\/in-circuit-testing-ict-la-gi\/#1_In-Circuit_Testing_ICT_la_gi\" >1. In-Circuit Testing (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:\/\/makipos.com\/vi\/in-circuit-testing-ict-la-gi\/#2_ICT_kiem_tra_nhung_gi\" >2. ICT ki\u1ec3m tra nh\u1eefng 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:\/\/makipos.com\/vi\/in-circuit-testing-ict-la-gi\/#3_ICT_hoat_dong_nhu_the_nao\" >3. ICT ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/makipos.com\/vi\/in-circuit-testing-ict-la-gi\/#4_Uu_diem_va_han_che_cua_ICT\" >4. \u01afu \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a 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:\/\/makipos.com\/vi\/in-circuit-testing-ict-la-gi\/#5_ICT_khac_gi_so_voi_cac_phuong_phap_test_khac\" >5. ICT kh\u00e1c g\u00ec so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p test kh\u00e1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/makipos.com\/vi\/in-circuit-testing-ict-la-gi\/#6_Khi_nao_nen_su_dung_ICT\" >6. Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng ICT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/makipos.com\/vi\/in-circuit-testing-ict-la-gi\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_In-Circuit_Testing_ICT_la_gi\"><\/span>1. In-Circuit Testing (ICT) l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">In-Circuit Testing (ICT) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra bo m\u1ea1ch \u0111i\u1ec7n t\u1eed sau khi l\u1eafp r\u00e1p PCB (PCBA), nh\u1eb1m \u0111\u00e1nh gi\u00e1 t\u1eebng linh ki\u1ec7n v\u00e0 k\u1ebft n\u1ed1i tr\u00ean m\u1ea1ch. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1ed7i nh\u01b0 sai gi\u00e1 tr\u1ecb linh ki\u1ec7n, l\u1ed7i h\u00e0n ho\u1eb7c l\u1ed7i k\u1ebft n\u1ed1i.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Kh\u00e1c v\u1edbi Functional Test (FCT) ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng t\u1ed5ng th\u1ec3 c\u1ee7a m\u1ea1ch, ICT t\u1eadp trung v\u00e0o <\/span>t\u1eebng linh ki\u1ec7n ri\u00eang l\u1ebb<span style=\"font-weight: 400;\"> \u1edf c\u1ea5p \u0111\u1ed9 component. Qu\u00e1 tr\u00ecnh ki\u1ec3m tra th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch \u0111o \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n ho\u1eb7c t\u00edn hi\u1ec7u t\u1ea1i c\u00e1c \u0111i\u1ec3m test tr\u00ean bo m\u1ea1ch.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ICT th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t nh\u1edd kh\u1ea3 n\u0103ng ki\u1ec3m tra nhanh v\u00e0 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c l\u1ed7i trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/span><\/p>\n<figure id=\"attachment_1941\" aria-describedby=\"caption-attachment-1941\" style=\"width: 1125px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1941\" src=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/in-circuit-testing-ict.webp\" alt=\"In-Circuit Testing (ICT)\" width=\"1125\" height=\"630\" srcset=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/in-circuit-testing-ict.webp 1125w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/in-circuit-testing-ict-300x168.webp 300w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/in-circuit-testing-ict-1024x573.webp 1024w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/in-circuit-testing-ict-768x430.webp 768w\" sizes=\"auto, (max-width: 1125px) 100vw, 1125px\" \/><figcaption id=\"caption-attachment-1941\" class=\"wp-caption-text\">In-Circuit Testing (ICT)<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"2_ICT_kiem_tra_nhung_gi\"><\/span>2. ICT ki\u1ec3m tra nh\u1eefng g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">In-Circuit Testing (ICT) t\u1eadp trung v\u00e0o vi\u1ec7c ki\u1ec3m tra t\u1eebng linh ki\u1ec7n v\u00e0 k\u1ebft n\u1ed1i tr\u00ean bo m\u1ea1ch sau khi l\u1eafp r\u00e1p, nh\u1eb1m ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra, ICT th\u01b0\u1eddng bao g\u1ed3m c\u00e1c n\u1ed9i dung sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Gi\u00e1 tr\u1ecb linh ki\u1ec7n:<\/b><span style=\"font-weight: 400;\"> ki\u1ec3m tra c\u00e1c linh ki\u1ec7n nh\u01b0 \u0111i\u1ec7n tr\u1edf, t\u1ee5 \u0111i\u1ec7n, diode\u2026 c\u00f3 \u0111\u00fang gi\u00e1 tr\u1ecb theo thi\u1ebft k\u1ebf.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>K\u1ebft n\u1ed1i m\u1ea1ch (open\/short):<\/b><span style=\"font-weight: 400;\"> ph\u00e1t hi\u1ec7n l\u1ed7i h\u1edf m\u1ea1ch ho\u1eb7c ch\u1eadp m\u1ea1ch gi\u1eefa c\u00e1c \u0111i\u1ec3m k\u1ebft n\u1ed1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u1ed7i h\u00e0n:<\/b><span style=\"font-weight: 400;\"> x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1ed7i nh\u01b0 h\u00e0n thi\u1ebfu, h\u00e0n l\u1ed7i ho\u1eb7c ti\u1ebfp x\u00fac kh\u00f4ng t\u1ed1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n c\u01a1 b\u1ea3n:<\/b><span style=\"font-weight: 400;\"> \u0111o c\u00e1c th\u00f4ng s\u1ed1 \u0111i\u1ec7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang \u1edf m\u1ee9c c\u01a1 b\u1ea3n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>H\u01b0\u1edbng linh ki\u1ec7n:<\/b><span style=\"font-weight: 400;\"> ki\u1ec3m tra linh ki\u1ec7n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u00fang chi\u1ec1u (\u0111\u1ed1i v\u1edbi diode, IC\u2026).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">ICT gi\u00fap ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn linh ki\u1ec7n v\u00e0 qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u l\u1ed7i tr\u01b0\u1edbc khi chuy\u1ec3n sang c\u00e1c b\u01b0\u1edbc ki\u1ec3m tra ti\u1ebfp theo.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_ICT_hoat_dong_nhu_the_nao\"><\/span>3. ICT ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">ICT ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch \u0111o tr\u1ef1c ti\u1ebfp c\u00e1c linh ki\u1ec7n v\u00e0 k\u1ebft n\u1ed1i tr\u00ean bo m\u1ea1ch th\u00f4ng qua h\u1ec7 th\u1ed1ng test fixture.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra, bo m\u1ea1ch s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o m\u1ed9t <\/span>fixture (jig)<span style=\"font-weight: 400;\"> c\u00f3 nhi\u1ec1u \u0111\u1ea7u ti\u1ebfp x\u00fac (pogo pins). C\u00e1c \u0111\u1ea7u n\u00e0y ch\u1ea1m v\u00e0o c\u00e1c \u0111i\u1ec3m test tr\u00ean PCB \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u0111o \u0111i\u1ec7n v\u00e0 ki\u1ec3m tra t\u00edn hi\u1ec7u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Quy tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ICT th\u01b0\u1eddng bao g\u1ed3m:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ti\u1ebfp x\u00fac v\u1edbi \u0111i\u1ec3m test:<\/b><span style=\"font-weight: 400;\"> pogo pins k\u1ebft n\u1ed1i v\u1edbi c\u00e1c test point tr\u00ean bo m\u1ea1ch.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u1ea5p t\u00edn hi\u1ec7u ki\u1ec3m tra:<\/b><span style=\"font-weight: 400;\"> h\u1ec7 th\u1ed1ng g\u1eedi t\u00edn hi\u1ec7u ho\u1eb7c d\u00f2ng \u0111i\u1ec7n v\u00e0o t\u1eebng ph\u1ea7n c\u1ee7a m\u1ea1ch.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110o v\u00e0 ph\u00e2n t\u00edch:<\/b><span style=\"font-weight: 400;\"> \u0111o \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n ho\u1eb7c ph\u1ea3n h\u1ed3i t\u1eeb linh ki\u1ec7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>So s\u00e1nh v\u1edbi gi\u00e1 tr\u1ecb chu\u1ea9n:<\/b><span style=\"font-weight: 400;\"> k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c \u0111\u1ed1i chi\u1ebfu v\u1edbi th\u00f4ng s\u1ed1 thi\u1ebft k\u1ebf \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u1ed7i.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">ICT th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac <\/span><b>\u201cbed of nails\u201d<\/b><span style=\"font-weight: 400;\"> (gi\u01b0\u1eddng kim), cho ph\u00e9p ki\u1ec3m tra nhanh nhi\u1ec1u \u0111i\u1ec3m tr\u00ean bo m\u1ea1ch c\u00f9ng l\u00fac trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t.<\/span><\/p>\n<figure id=\"attachment_1942\" aria-describedby=\"caption-attachment-1942\" style=\"width: 1125px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1942\" src=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/in-circuit-testing-ict-1.webp\" alt=\"C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ICT\" width=\"1125\" height=\"630\" srcset=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/in-circuit-testing-ict-1.webp 1125w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/in-circuit-testing-ict-1-300x168.webp 300w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/in-circuit-testing-ict-1-1024x573.webp 1024w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/in-circuit-testing-ict-1-768x430.webp 768w\" sizes=\"auto, (max-width: 1125px) 100vw, 1125px\" \/><figcaption id=\"caption-attachment-1942\" class=\"wp-caption-text\">C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ICT<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"4_Uu_diem_va_han_che_cua_ICT\"><\/span>4. \u01afu \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a ICT<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">In-Circuit Testing (ICT) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra hi\u1ec7u qu\u1ea3 trong s\u1ea3n xu\u1ea5t PCBA, \u0111\u1eb7c bi\u1ec7t \u1edf giai \u0111o\u1ea1n sau khi l\u1eafp r\u00e1p. Tuy nhi\u00ean, b\u00ean c\u1ea1nh nh\u1eefng l\u1ee3i \u00edch, ICT c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf c\u1ea7n l\u01b0u \u00fd.<\/span><\/p>\n<p><b>&#8211; \u01afu \u0111i\u1ec3m:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ki\u1ec3m tra nhanh v\u00e0 ch\u00ednh x\u00e1c: <\/b><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 \u0111o v\u00e0 ki\u1ec3m tra nhi\u1ec1u linh ki\u1ec7n trong th\u1eddi gian ng\u1eafn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ph\u00e1t hi\u1ec7n s\u1edbm l\u1ed7i s\u1ea3n xu\u1ea5t: <\/b><span style=\"font-weight: 400;\">Gi\u00fap ph\u00e1t hi\u1ec7n l\u1ed7i linh ki\u1ec7n, l\u1ed7i h\u00e0n ho\u1eb7c l\u1ed7i k\u1ebft n\u1ed1i ngay sau khi l\u1eafp r\u00e1p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ph\u00f9 h\u1ee3p v\u1edbi s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t: <\/b><span style=\"font-weight: 400;\">T\u1ed1i \u01b0u cho quy tr\u00ecnh t\u1ef1 \u0111\u1ed9ng v\u1edbi s\u1ea3n l\u01b0\u1ee3ng l\u1edbn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh cao: <\/b><span style=\"font-weight: 400;\">Khi \u0111\u00e3 thi\u1ebft l\u1eadp fixture, k\u1ebft qu\u1ea3 test c\u00f3 t\u00ednh l\u1eb7p l\u1ea1i v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<\/ul>\n<p><b>&#8211; H\u1ea1n ch\u1ebf:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Chi ph\u00ed fixture cao: <\/b><span style=\"font-weight: 400;\">C\u1ea7n thi\u1ebft k\u1ebf jig ri\u00eang cho t\u1eebng lo\u1ea1i bo m\u1ea1ch.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kh\u00f4ng ki\u1ec3m tra ch\u1ee9c n\u0103ng th\u1ef1c t\u1ebf: <\/b><span style=\"font-weight: 400;\">Ch\u1ec9 ki\u1ec3m tra \u1edf m\u1ee9c linh ki\u1ec7n v\u00e0 k\u1ebft n\u1ed1i, kh\u00f4ng \u0111\u00e1nh gi\u00e1 to\u00e0n b\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ch.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Y\u00eau c\u1ea7u thi\u1ebft k\u1ebf test point: <\/b><span style=\"font-weight: 400;\">PCB c\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf s\u1eb5n c\u00e1c \u0111i\u1ec3m test \u0111\u1ec3 ph\u1ee5c v\u1ee5 ICT.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kh\u00f3 \u00e1p d\u1ee5ng cho s\u1ea3n l\u01b0\u1ee3ng nh\u1ecf: <\/b><span style=\"font-weight: 400;\">Kh\u00f4ng hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed v\u1edbi c\u00e1c d\u1ef1 \u00e1n prototype ho\u1eb7c s\u1ea3n l\u01b0\u1ee3ng th\u1ea5p.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"5_ICT_khac_gi_so_voi_cac_phuong_phap_test_khac\"><\/span>5. ICT kh\u00e1c g\u00ec so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p test kh\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_1943\" aria-describedby=\"caption-attachment-1943\" style=\"width: 1125px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1943\" src=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/so-sanh-ict-va-cac-phuong-phap-test-khac.webp\" alt=\"So s\u00e1nh ICT v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p test kh\u00e1c\" width=\"1125\" height=\"421\" srcset=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/so-sanh-ict-va-cac-phuong-phap-test-khac.webp 1125w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/so-sanh-ict-va-cac-phuong-phap-test-khac-300x112.webp 300w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/so-sanh-ict-va-cac-phuong-phap-test-khac-1024x383.webp 1024w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/03\/so-sanh-ict-va-cac-phuong-phap-test-khac-768x287.webp 768w\" sizes=\"auto, (max-width: 1125px) 100vw, 1125px\" \/><figcaption id=\"caption-attachment-1943\" class=\"wp-caption-text\">So s\u00e1nh ICT v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p test kh\u00e1c<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Trong s\u1ea3n xu\u1ea5t PCBA, ICT th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra kh\u00e1c nh\u01b0 Functional Test (FCT) v\u00e0 Flying Probe. M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p c\u00f3 m\u1ee5c ti\u00eau v\u00e0 c\u00e1ch ki\u1ec3m tra kh\u00e1c nhau.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y gi\u00fap so s\u00e1nh r\u00f5 h\u01a1n:<\/span><\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 18.6373%;\"><b>Ti\u00eau ch\u00ed<\/b><\/td>\n<td style=\"width: 27.6553%;\"><b>ICT (In-Circuit Test)<\/b><\/td>\n<td style=\"width: 26.2525%;\"><b>FCT (Functional Test)<\/b><\/td>\n<td style=\"width: 26.4529%;\"><b>Flying Probe Test<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.6373%;\"><strong>M\u1ee5c ti\u00eau ki\u1ec3m tra<\/strong><\/td>\n<td style=\"width: 27.6553%;\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra linh ki\u1ec7n v\u00e0 k\u1ebft n\u1ed1i<\/span><\/td>\n<td style=\"width: 26.2525%;\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra ch\u1ee9c n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a to\u00e0n b\u1ed9 m\u1ea1ch<\/span><\/td>\n<td style=\"width: 26.4529%;\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra k\u1ebft n\u1ed1i v\u00e0 linh ki\u1ec7n c\u01a1 b\u1ea3n<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.6373%;\"><strong>M\u1ee9c \u0111\u1ed9 ki\u1ec3m tra<\/strong><\/td>\n<td style=\"width: 27.6553%;\"><span style=\"font-weight: 400;\">C\u1ea5p \u0111\u1ed9 linh ki\u1ec7n<\/span><\/td>\n<td style=\"width: 26.2525%;\"><span style=\"font-weight: 400;\">C\u1ea5p \u0111\u1ed9 h\u1ec7 th\u1ed1ng<\/span><\/td>\n<td style=\"width: 26.4529%;\"><span style=\"font-weight: 400;\">C\u1ea5p \u0111\u1ed9 linh ki\u1ec7n<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.6373%;\"><strong>Giai \u0111o\u1ea1n s\u1eed d\u1ee5ng<\/strong><\/td>\n<td style=\"width: 27.6553%;\"><span style=\"font-weight: 400;\">Sau khi l\u1eafp r\u00e1p<\/span><\/td>\n<td style=\"width: 26.2525%;\"><span style=\"font-weight: 400;\">Sau khi ho\u00e0n thi\u1ec7n s\u1ea3n ph\u1ea9m<\/span><\/td>\n<td style=\"width: 26.4529%;\"><span style=\"font-weight: 400;\">Prototype ho\u1eb7c s\u1ea3n l\u01b0\u1ee3ng nh\u1ecf<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.6373%;\"><strong>Kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n l\u1ed7i<\/strong><\/td>\n<td style=\"width: 27.6553%;\"><span style=\"font-weight: 400;\">L\u1ed7i linh ki\u1ec7n, l\u1ed7i h\u00e0n, l\u1ed7i k\u1ebft n\u1ed1i<\/span><\/td>\n<td style=\"width: 26.2525%;\"><span style=\"font-weight: 400;\">L\u1ed7i ch\u1ee9c n\u0103ng, l\u1ed7i logic h\u1ec7 th\u1ed1ng<\/span><\/td>\n<td style=\"width: 26.4529%;\"><span style=\"font-weight: 400;\">L\u1ed7i k\u1ebft n\u1ed1i, l\u1ed7i h\u00e0n c\u01a1 b\u1ea3n<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.6373%;\"><strong>T\u1ed1c \u0111\u1ed9 ki\u1ec3m tra<\/strong><\/td>\n<td style=\"width: 27.6553%;\"><span style=\"font-weight: 400;\">Nhanh<\/span><\/td>\n<td style=\"width: 26.2525%;\"><span style=\"font-weight: 400;\">Trung b\u00ecnh<\/span><\/td>\n<td style=\"width: 26.4529%;\"><span style=\"font-weight: 400;\">Ch\u1eadm h\u01a1n<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.6373%;\"><strong>Chi ph\u00ed \u0111\u1ea7u t\u01b0<\/strong><\/td>\n<td style=\"width: 27.6553%;\"><span style=\"font-weight: 400;\">Cao (c\u1ea7n fixture)<\/span><\/td>\n<td style=\"width: 26.2525%;\"><span style=\"font-weight: 400;\">Trung b\u00ecnh<\/span><\/td>\n<td style=\"width: 26.4529%;\"><span style=\"font-weight: 400;\">Th\u1ea5p (kh\u00f4ng c\u1ea7n fixture)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">ICT kh\u00f4ng thay th\u1ebf c\u00e1c ph\u01b0\u01a1ng ph\u00e1p test kh\u00e1c m\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p. Trong khi ICT gi\u00fap ph\u00e1t hi\u1ec7n l\u1ed7i \u1edf m\u1ee9c linh ki\u1ec7n v\u00e0 qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p, FCT \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang trong th\u1ef1c t\u1ebf.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Khi_nao_nen_su_dung_ICT\"><\/span>6. Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng ICT<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">In-Circuit Testing (ICT) th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong giai \u0111o\u1ea1n sau khi l\u1eafp r\u00e1p PCBA, \u0111\u1eb7c bi\u1ec7t khi c\u1ea7n ki\u1ec3m tra nhanh v\u00e0 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn linh ki\u1ec7n v\u00e0 qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ICT ph\u00f9 h\u1ee3p trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn: <\/b><span style=\"font-weight: 400;\">ICT gi\u00fap ki\u1ec3m tra nhanh v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao, ph\u00f9 h\u1ee3p cho d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1ea3n ph\u1ea9m \u0111\u00e3 \u1ed5n \u0111\u1ecbnh v\u1ec1 thi\u1ebft k\u1ebf: <\/b><span style=\"font-weight: 400;\">Khi thi\u1ebft k\u1ebf PCB kh\u00f4ng thay \u0111\u1ed5i nhi\u1ec1u, vi\u1ec7c \u0111\u1ea7u t\u01b0 fixture s\u1ebd hi\u1ec7u qu\u1ea3 h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u1ea7n ph\u00e1t hi\u1ec7n l\u1ed7i s\u1edbm trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t: <\/b><span style=\"font-weight: 400;\">Gi\u00fap ph\u00e1t hi\u1ec7n l\u1ed7i linh ki\u1ec7n, l\u1ed7i h\u00e0n ho\u1eb7c l\u1ed7i k\u1ebft n\u1ed1i ngay sau khi l\u1eafp r\u00e1p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 ki\u1ec3m tra cao: <\/b><span style=\"font-weight: 400;\">ICT cho ph\u00e9p ki\u1ec3m tra nhi\u1ec1u \u0111i\u1ec3m tr\u00ean bo m\u1ea1ch c\u00f9ng l\u00fac, gi\u00fap r\u00fat ng\u1eafn th\u1eddi gian test.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u00f3 thi\u1ebft k\u1ebf test point tr\u00ean PCB: <\/b><span style=\"font-weight: 400;\">Bo m\u1ea1ch c\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf s\u1eb5n c\u00e1c \u0111i\u1ec3m test \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho ICT.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">ICT th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nh\u01b0 FCT \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m \u1edf c\u1ea3 m\u1ee9c linh ki\u1ec7n v\u00e0 ch\u1ee9c n\u0103ng.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span><b>K\u1ebft lu\u1eadn<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">In-Circuit Testing (ICT) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra quan tr\u1ecdng trong s\u1ea3n xu\u1ea5t PCBA, gi\u00fap ph\u00e1t hi\u1ec7n nhanh c\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn linh ki\u1ec7n v\u00e0 qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p. Nh\u1edd kh\u1ea3 n\u0103ng ki\u1ec3m tra ch\u00ednh x\u00e1c \u1edf c\u1ea5p \u0111\u1ed9 linh ki\u1ec7n, ICT gi\u00fap gi\u1ea3m thi\u1ec3u l\u1ed7i ngay t\u1eeb giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tuy kh\u00f4ng ki\u1ec3m tra \u0111\u01b0\u1ee3c ch\u1ee9c n\u0103ng t\u1ed5ng th\u1ec3 c\u1ee7a m\u1ea1ch, ICT v\u1eabn \u0111\u00f3ng vai tr\u00f2 n\u1ec1n t\u1ea3ng v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nh\u01b0 FCT \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m m\u1ed9t c\u00e1ch to\u00e0n di\u1ec7n.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong s\u1ea3n xu\u1ea5t bo m\u1ea1ch \u0111i\u1ec7n t\u1eed, vi\u1ec7c ki\u1ec3m tra sau khi l\u1eafp r\u00e1p \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. In-Circuit Testing (ICT) l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn gi\u00fap ki\u1ec3m tra linh ki\u1ec7n v\u00e0 k\u1ebft n\u1ed1i tr\u00ean bo m\u1ea1ch m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 ch\u00ednh [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1938,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-nganh"],"acf":[],"_links":{"self":[{"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/posts\/1937","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/comments?post=1937"}],"version-history":[{"count":3,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/posts\/1937\/revisions"}],"predecessor-version":[{"id":1944,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/posts\/1937\/revisions\/1944"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/media\/1938"}],"wp:attachment":[{"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/media?parent=1937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/categories?post=1937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/tags?post=1937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}