{"id":543,"date":"2026-01-14T11:46:37","date_gmt":"2026-01-14T03:46:37","guid":{"rendered":"https:\/\/www.bestpcb.vn\/2026\/01\/14\/giai-phap-lo-via-mu-dang-tin-cay-cho-thiet-ke-pcb-mat-do-cao\/"},"modified":"2026-01-14T15:44:10","modified_gmt":"2026-01-14T07:44:10","slug":"giai-phap-lo-via-mu-dang-tin-cay-cho-thiet-ke-pcb-mat-do-cao","status":"publish","type":"post","link":"https:\/\/www.bestpcb.vn\/vi\/2026\/01\/14\/giai-phap-lo-via-mu-dang-tin-cay-cho-thiet-ke-pcb-mat-do-cao\/","title":{"rendered":"Gi\u1ea3i ph\u00e1p L\u1ed7 Via M\u00f9 \u0110\u00e1ng Tin C\u1eady cho Thi\u1ebft K\u1ebf PCB M\u1eadt \u0110\u1ed9 Cao"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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\/2026\/01\/14\/giai-phap-lo-via-mu-dang-tin-cay-cho-thiet-ke-pcb-mat-do-cao\/#Dinh_Nghia_Lo_Via_Mu_Lo_Via_Mu_Thuc_Su_Co_Nghia_Gi_Trong_Thiet_Ke_PCB_Hien_Dai\" >\u0110\u1ecbnh Ngh\u0129a L\u1ed7 Via M\u00f9: L\u1ed7 Via M\u00f9 Th\u1ef1c S\u1ef1 C\u00f3 Ngh\u0129a G\u00ec Trong Thi\u1ebft K\u1ebf PCB Hi\u1ec7n \u0110\u1ea1i<\/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\/2026\/01\/14\/giai-phap-lo-via-mu-dang-tin-cay-cho-thiet-ke-pcb-mat-do-cao\/#Cach_Via_Mu_trong_PCB_Cai_Thien_Mat_Do_Dinh_Tuyen_va_Toan_Ven_Tin_Hieu\" >C\u00e1ch Via M\u00f9 trong PCB C\u1ea3i Thi\u1ec7n M\u1eadt \u0110\u1ed9 \u0110\u1ecbnh Tuy\u1ebfn v\u00e0 To\u00e0n V\u1eb9n T\u00edn Hi\u1ec7u<\/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\/2026\/01\/14\/giai-phap-lo-via-mu-dang-tin-cay-cho-thiet-ke-pcb-mat-do-cao\/#Via_Mu_so_voi_Microvia_Su_Khac_Biet_Ve_Cau_Truc_Quy_Trinh_va_Ung_Dung\" >Via M\u00f9 so v\u1edbi Microvia: S\u1ef1 Kh\u00e1c Bi\u1ec7t V\u1ec1 C\u1ea5u Tr\u00fac, Quy Tr\u00ecnh v\u00e0 \u1ee8ng D\u1ee5ng<\/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\/2026\/01\/14\/giai-phap-lo-via-mu-dang-tin-cay-cho-thiet-ke-pcb-mat-do-cao\/#Via_Chon_so_voi_Via_Mu_Hieu_Ve_Via_Chon_trong_PCB_va_Khi_Nao_Su_Dung_Moi_Loai\" >Via Ch\u00f4n so v\u1edbi Via M\u00f9: Hi\u1ec3u V\u1ec1 Via Ch\u00f4n trong PCB v\u00e0 Khi N\u00e0o S\u1eed D\u1ee5ng M\u1ed7i Lo\u1ea1i<\/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\/2026\/01\/14\/giai-phap-lo-via-mu-dang-tin-cay-cho-thiet-ke-pcb-mat-do-cao\/#Quy_Trinh_Via_Mu_Tung_Buoc_Tu_Khoan_Den_Ep_Laminate\" >Quy Tr\u00ecnh Via M\u00f9 T\u1eebng B\u01b0\u1edbc T\u1eeb Khoan \u0110\u1ebfn \u00c9p Laminate<\/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\/2026\/01\/14\/giai-phap-lo-via-mu-dang-tin-cay-cho-thiet-ke-pcb-mat-do-cao\/#Via_Mu_so_voi_Khoan_Nguoc_Giai_Thich_Cac_Danh_Doi_Ve_Dien_va_San_Xuat\" >Via M\u00f9 so v\u1edbi Khoan Ng\u01b0\u1ee3c: Gi\u1ea3i Th\u00edch C\u00e1c \u0110\u00e1nh \u0110\u1ed5i V\u1ec1 \u0110i\u1ec7n v\u00e0 S\u1ea3n Xu\u1ea5t<\/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\/2026\/01\/14\/giai-phap-lo-via-mu-dang-tin-cay-cho-thiet-ke-pcb-mat-do-cao\/#Cach_Tinh_Chi_Phi_Via_Mu_va_Nhung_Yeu_To_Nao_Day_Gia_Len\" >C\u00e1ch T\u00ednh Chi Ph\u00ed Via M\u00f9 v\u00e0 Nh\u1eefng Y\u1ebfu T\u1ed1 N\u00e0o \u0110\u1ea9y Gi\u00e1 L\u00ean?<\/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\/2026\/01\/14\/giai-phap-lo-via-mu-dang-tin-cay-cho-thiet-ke-pcb-mat-do-cao\/#Ung_dung_PCB_Lo_Via_Mu_Noi_Thiet_Ke_PCB_Lo_Via_Mu_Mang_Lai_Gia_Tri_Thuc_Su\" >\u1ee8ng d\u1ee5ng PCB L\u1ed7 Via M\u00f9: N\u01a1i Thi\u1ebft K\u1ebf PCB L\u1ed7 Via M\u00f9 Mang L\u1ea1i Gi\u00e1 Tr\u1ecb Th\u1ef1c S\u1ef1<\/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\/2026\/01\/14\/giai-phap-lo-via-mu-dang-tin-cay-cho-thiet-ke-pcb-mat-do-cao\/#Cau_hoi_Thuong_gap\" >C\u00e2u h\u1ecfi Th\u01b0\u1eddng g\u1eb7p<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><a href=\"https:\/\/www.bestpcb.vn\/2026\/01\/14\/blind-via-hole\/\" title=\"\">L\u1ed7 Via M\u00f9<\/a> l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i quan tr\u1ecdng k\u1ebft n\u1ed1i m\u1ed9t l\u1edbp ngo\u00e0i c\u1ee7a b\u1ea3ng m\u1ea1ch in v\u1edbi m\u1ed9t ho\u1eb7c nhi\u1ec1u l\u1edbp b\u00ean trong m\u00e0 kh\u00f4ng xuy\u00ean qua to\u00e0n b\u1ed9 b\u1ea3ng. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n \u0111\u1ec3 hi\u1ec3u v\u1ec1 l\u1ed7 via m\u00f9, l\u1ee3i \u00edch, s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i v\u00e0 \u1ee9ng d\u1ee5ng t\u1ed1i \u01b0u c\u1ee7a ch\u00fang trong \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i.<\/p>\n<div class=\"pcbask\">\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\">B\u1ea1n c\u00f3 \u0111ang g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c c\u00e2n b\u1eb1ng nh\u1eefng y\u00eau c\u1ea7u c\u1ea1nh tranh n\u00e0y kh\u00f4ng?<\/mark><\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>T\u1eafc ngh\u1ebdn \u0111\u1ecbnh tuy\u1ebfn nghi\u00eam tr\u1ecdng<\/strong><\/mark> tr\u00ean c\u00e1c b\u1ea3ng nhi\u1ec1u l\u1edbp d\u00e0y \u0111\u1eb7c, \u0111\u1eb7c bi\u1ec7t l\u00e0 xung quanh c\u00e1c BGA c\u00f3 kho\u1ea3ng c\u00e1ch nh\u1ecf<\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">Chi ph\u00ed HDI kh\u00f4ng th\u1ec3 \u0111o\u00e1n tr\u01b0\u1edbc<\/mark><\/strong> nhanh ch\u00f3ng \u0111\u1ea9y d\u1ef1 \u00e1n v\u01b0\u1ee3t ng\u00e2n s\u00e1ch<\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">V\u1ea5n \u0111\u1ec1 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u<\/mark><\/strong> do c\u00e1c \u0111o\u1ea1n via d\u00e0i trong thi\u1ebft k\u1ebf t\u1ed1c \u0111\u1ed9 cao<\/li>\n\n\n\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>Kh\u1ea3 n\u0103ng cung c\u1ea5p h\u1ea1n ch\u1ebf<\/strong><\/mark> cho c\u00e1c microvia x\u1ebfp ch\u1ed3ng ho\u1eb7c t\u1ef7 l\u1ec7 kh\u00eda c\u1ea1nh cao<\/li>\n\n\n\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>Kh\u00f4ng gian \u0111\u1ecbnh tuy\u1ebfn l\u00e3ng ph\u00ed<\/strong><\/mark> t\u1eeb c\u00e1c l\u1ed7 xuy\u00ean truy\u1ec1n th\u1ed1ng kh\u00f4ng k\u1ebft n\u1ed1i m\u1ecdi l\u1edbp<\/li>\n<\/ul>\n\n<p><\/p>\n<\/div>\n<div class=\"pcbserviec\">\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\">Nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t \u0111\u1ed1i t\u00e1c c\u00f3 chuy\u00ean m\u00f4n k\u1ef9 thu\u1eadt v\u1eefng ch\u1eafc. Gi\u1ea3i ph\u00e1p n\u1eb1m \u1edf vi\u1ec7c h\u1ee3p t\u00e1c v\u1edbi m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t th\u00e0nh th\u1ea1o c\u00e1c quy tr\u00ecnh HDI ti\u00ean ti\u1ebfn. <\/mark><\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>H\u1ed7 tr\u1ee3 DFM Chuy\u00ean Gia<\/strong>:<\/mark> B\u1ed1 tr\u00ed via m\u00f9 v\u00e0 microvia \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a s\u1edbm cho n\u0103ng su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady<\/li>\n\n\n\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>K\u1ef9 Thu\u1eadt Chi Ph\u00ed Minh B\u1ea1ch<\/strong>:<\/mark> C\u00e1i nh\u00ecn r\u00f5 r\u00e0ng v\u1ec1 c\u00e1c y\u1ebfu t\u1ed1 chi ph\u00ed via m\u00f9 tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u s\u1ea3n xu\u1ea5t<\/li>\n\n\n\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>H\u01b0\u1edbng D\u1eabn X\u1ebfp Ch\u1ed3ng &amp; V\u1eadt Li\u1ec7u<\/strong>:<\/mark> L\u1ef1a ch\u1ecdn laminate v\u00e0 prepreg \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh cho \u0111\u1ed9 tin c\u1eady c\u1ee7a PCB l\u1ed7 via m\u00f9<\/li>\n\n\n\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>Khoan &amp; M\u1ea1 Ch\u00ednh X\u00e1c<\/strong>:<\/mark> C\u00e1c via m\u00f9 nh\u1ea5t qu\u00e1n trong PCB th\u00f4ng qua khoan laser v\u00e0 m\u1ea1 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/li>\n\n\n\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>Ki\u1ec3m So\u00e1t Quy Tr\u00ecnh HDI Tr\u01b0\u1edfng Th\u00e0nh<\/strong>:<\/mark> Quy tr\u00ecnh via m\u00f9 \u1ed5n \u0111\u1ecbnh cho c\u00e1c c\u1ea5u tr\u00fac via m\u00f9 v\u00e0 via ch\u00f4n<\/li>\n<\/ul>\n\n<p><\/p>\n<\/div>\n\n<p>T\u1ea1i EBest Circuit (Best Technology), ch\u00fang t\u00f4i l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t PCB chuy\u00ean nghi\u1ec7p chuy\u00ean v\u1ec1 c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i m\u1eadt \u0111\u1ed9 cao (HDI). Ch\u00fang t\u00f4i c\u00f3 chuy\u00ean m\u00f4n trong vi\u1ec7c cung c\u1ea5p c\u00e1c b\u1ea3ng m\u1ea1ch \u0111\u00e1ng tin c\u1eady, hi\u1ec7u su\u1ea5t cao v\u1edbi c\u00e1c l\u1ed7 via m\u00f9 v\u00e0 l\u1ed7 via ch\u00f4n ph\u1ee9c t\u1ea1p trong PCB. Ch\u00fang t\u00f4i k\u1ebft h\u1ee3p thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i v\u1edbi kinh nghi\u1ec7m k\u1ef9 thu\u1eadt s\u00e2u s\u1eafc \u0111\u1ec3 bi\u1ebfn nh\u1eefng thi\u1ebft k\u1ebf th\u00e1ch th\u1ee9c nh\u1ea5t c\u1ee7a b\u1ea1n th\u00e0nh hi\u1ec7n th\u1ef1c c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c. Xin vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 c\u1ee7a ch\u00fang t\u00f4i t\u1ea1i <strong>sales@bestpcb.vn<\/strong> \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.   <\/p>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"562\" height=\"324\" src=\"https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2026\/01\/blind-via-hole-4.jpg\" alt=\"L&#x1ED7; Via M&#xF9;\" class=\"wp-image-539\" srcset=\"https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2026\/01\/blind-via-hole-4.jpg 562w, https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2026\/01\/blind-via-hole-4-300x173.jpg 300w\" sizes=\"auto, (max-width: 562px) 100vw, 562px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dinh_Nghia_Lo_Via_Mu_Lo_Via_Mu_Thuc_Su_Co_Nghia_Gi_Trong_Thiet_Ke_PCB_Hien_Dai\"><\/span><strong>\u0110\u1ecbnh Ngh\u0129a L\u1ed7 Via M\u00f9: L\u1ed7 Via M\u00f9 Th\u1ef1c S\u1ef1 C\u00f3 Ngh\u0129a G\u00ec Trong Thi\u1ebft K\u1ebf PCB Hi\u1ec7n \u0110\u1ea1i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>V\u1ec1 b\u1ea3n ch\u1ea5t, m\u1ed9t <a href=\"https:\/\/www.bestpcb.vn\/2026\/01\/14\/blind-via-hole\/\" title=\"\">l\u1ed7 via m\u00f9<\/a> l\u00e0 m\u1ed9t l\u1ed7 xuy\u00ean c\u00f3 m\u1ea1 b\u1eaft \u0111\u1ea7u t\u1eeb m\u1ed9t l\u1edbp ngo\u00e0i c\u1ee7a PCB v\u00e0 k\u1ebft th\u00fac t\u1ea1i m\u1ed9t l\u1edbp b\u00ean trong, m\u00e0 kh\u00f4ng \u0111i qua to\u00e0n b\u1ed9 \u0111\u1ed9 d\u00e0y c\u1ee7a b\u1ea3ng. N\u00f3 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 n\u1ec1n t\u1ea3ng c\u1ee7a thi\u1ebft k\u1ebf HDI, cho ph\u00e9p s\u1eed d\u1ee5ng kh\u00f4ng gian hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Ch\u1ee9c N\u0103ng Ch\u00ednh:<\/strong> T\u1ea1o k\u1ebft n\u1ed1i \u0111i\u1ec7n gi\u1eefa m\u1ed9t l\u1edbp b\u1ec1 m\u1eb7t v\u00e0 m\u1ed9t l\u1edbp d\u01b0\u1edbi b\u1ec1 m\u1eb7t.<\/li>\n\n\n\n<li><strong>\u0110\u1eb7c \u0110i\u1ec3m Ch\u00ednh:<\/strong> L\u1ed7 c\u00f3 \u0111\u1ed9 s\u00e2u x\u00e1c \u0111\u1ecbnh, kh\u00f4ng xuy\u00ean qua.<\/li>\n\n\n\n<li><strong>H\u00ecnh Th\u00e0nh:<\/strong> Th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch khoan laser ch\u00ednh x\u00e1c sau khi c\u00e1c l\u1edbp l\u00f5i li\u00ean quan \u0111\u01b0\u1ee3c \u00e9p laminate.<\/li>\n\n\n\n<li><strong>Nh\u1eadn D\u1ea1ng H\u00ecnh \u1ea2nh:<\/strong> Tr\u00ean m\u1ed9t b\u1ea3ng ho\u00e0n thi\u1ec7n, m\u1ed9t via m\u00f9 ch\u1ec9 nh\u00ecn th\u1ea5y \u1edf m\u1ed9t m\u1eb7t (m\u1eb7t m\u00e0 n\u00f3 b\u1eaft \u0111\u1ea7u).<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>\u0110\u1ecbnh ngh\u0129a l\u1ed7 via m\u00f9 t\u1eadp trung v\u00e0o vai tr\u00f2 c\u1ee7a n\u00f3 nh\u01b0 m\u1ed9t k\u1ebft n\u1ed1i ti\u1ebft ki\u1ec7m kh\u00f4ng gian. Kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t via xuy\u00ean ti\u00eau chu\u1ea9n, n\u00f3 kh\u00f4ng t\u1ea1o ra m\u1ed9t l\u1ed7 &#8220;xuy\u00ean&#8221;, do \u0111\u00f3 b\u1ea3o t\u1ed3n c\u00e1c k\u00eanh \u0111\u1ecbnh tuy\u1ebfn tr\u00ean c\u00e1c l\u1edbp m\u00e0 n\u00f3 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 kh\u00f4ng th\u1ec3 thi\u1ebfu cho c\u00e1c th\u00e0nh ph\u1ea7n nh\u1ecf g\u1ecdn, c\u00f3 s\u1ed1 ch\u00e2n cao nh\u01b0 b\u1ed9 x\u1eed l\u00fd v\u00e0 FPGA hi\u1ec7n \u0111\u1ea1i.  <\/p>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"509\" height=\"208\" src=\"https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2026\/01\/blind-via-hole-2.jpg\" alt=\"L&#x1ED7; Via M&#xF9;\" class=\"wp-image-540\" srcset=\"https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2026\/01\/blind-via-hole-2.jpg 509w, https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2026\/01\/blind-via-hole-2-300x123.jpg 300w\" sizes=\"auto, (max-width: 509px) 100vw, 509px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cach_Via_Mu_trong_PCB_Cai_Thien_Mat_Do_Dinh_Tuyen_va_Toan_Ven_Tin_Hieu\"><\/span><strong>C\u00e1ch Via M\u00f9 trong PCB C\u1ea3i Thi\u1ec7n M\u1eadt \u0110\u1ed9 \u0110\u1ecbnh Tuy\u1ebfn v\u00e0 To\u00e0n V\u1eb9n T\u00edn Hi\u1ec7u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Vi\u1ec7c tri\u1ec3n khai l\u1ed7 via m\u00f9 trong <a href=\"https:\/\/www.bestpcb.vn\/pcb-manufacturing-service\/\" title=\"\">PCB<\/a> mang l\u1ea1i hai l\u1ee3i \u00edch quan tr\u1ecdng: ti\u1ebft ki\u1ec7m kh\u00f4ng gian \u0111\u00e1ng k\u1ec3 v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u0111i\u1ec7n. Ph\u1ea7n n\u00e0y ph\u00e2n t\u00edch c\u00e1ch ch\u00fang \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u0103ng K\u00eanh \u0110\u1ecbnh Tuy\u1ebfn:<\/strong> B\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/11\/through-hole-vs-smd-expert-pcba-services-from-prototype\/\">l\u1ed7 xuy\u00ean<\/a> tr\u00ean c\u00e1c l\u1edbp kh\u00f4ng li\u00ean quan, via m\u00f9 gi\u1ea3i ph\u00f3ng kh\u00f4ng gian qu\u00fd gi\u00e1 cho c\u00e1c \u0111\u01b0\u1eddng t\u00edn hi\u1ec7u b\u1ed5 sung.<\/li>\n\n\n\n<li><strong>\u0110\u1ecbnh Tuy\u1ebfn Tho\u00e1t Cho BGA:<\/strong> Ch\u00fang cho ph\u00e9p k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp t\u1eeb c\u00e1c pad b\u00f3ng <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/04\/bga-pcb-manufacturing-bga-pcb-manufacturing-cost\/\" title=\"\">BGA<\/a> b\u00ean trong \u0111\u1ebfn c\u00e1c l\u1edbp t\u00edn hi\u1ec7u n\u1ed9i b\u1ed9 c\u1ea7n thi\u1ebft, \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c fanout.<\/li>\n\n\n\n<li><strong>Gi\u1ea3m Chi\u1ec1u D\u00e0i Stub Via:<\/strong> Trong thi\u1ebft k\u1ebf <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/09\/how-to-make-top-quality-high-speed-board-pcb\/\" title=\"\">t\u1ed1c \u0111\u1ed9 cao<\/a>, ph\u1ea7n kh\u00f4ng s\u1eed d\u1ee5ng c\u1ee7a m\u1ed9t via (stub) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \u0103ng-ten. <strong>Via m\u00f9<\/strong> v\u1ed1n c\u00f3 stub ng\u1eafn h\u01a1n ho\u1eb7c kh\u00f4ng t\u1ed3n t\u1ea1i, gi\u1ea3m thi\u1ec3u ph\u1ea3n x\u1ea1 v\u00e0 suy gi\u1ea3m t\u00edn hi\u1ec7u.<\/li>\n\n\n\n<li><strong>C\u1ea3i Thi\u1ec7n M\u1ea1ng Ph\u00e2n Ph\u1ed1i Ngu\u1ed3n (PDN):<\/strong> C\u00e1c \u0111\u01b0\u1eddng d\u1eabn ng\u1eafn h\u01a1n, tr\u1ef1c ti\u1ebfp h\u01a1n t\u1eeb c\u00e1c m\u1eb7t ph\u1eb3ng ngu\u1ed3n \u0111\u1ebfn c\u00e1c ch\u00e2n thi\u1ebft b\u1ecb gi\u1ea3m c\u1ea3m kh\u00e1ng v\u00e0 c\u1ea3i thi\u1ec7n ph\u1ea3n \u1ee9ng tho\u00e1ng qua.<\/li>\n\n\n\n<li><strong>T\u1ed1i \u01afu H\u00f3a S\u1ed1 L\u1edbp:<\/strong> Th\u01b0\u1eddng cho ph\u00e9p c\u00f9ng m\u1ed9t ch\u1ee9c n\u0103ng v\u1edbi \u00edt l\u1edbp t\u1ed5ng th\u1ec3 h\u01a1n so v\u1edbi ch\u1ec9 s\u1eed d\u1ee5ng c\u00e1c via xuy\u00ean, c\u00f3 th\u1ec3 gi\u1ea3m chi ph\u00ed v\u00e0 \u0111\u1ed9 d\u00e0y.<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c via m\u00f9 l\u00e0 ph\u1ea3n \u1ee9ng tr\u1ef1c ti\u1ebfp v\u1edbi nhu c\u1ea7u thu nh\u1ecf v\u00e0 t\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u cao h\u01a1n. Ch\u00fang kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t t\u00f9y ch\u1ecdn s\u1ea3n xu\u1ea5t m\u00e0 c\u00f2n l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft k\u1ebf quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00e1p <a href=\"https:\/\/www.bestpcb.vn\/2026\/01\/14\/blind-via-hole\/\" title=\"\">l\u1ed7 via m\u00f9<\/a> \u0111\u00e1ng tin c\u1eady cho thi\u1ebft k\u1ebf <a href=\"https:\/\/www.bestpcb.vn\/pcb-design\/\" title=\"\">PCB<\/a> m\u1eadt \u0111\u1ed9 cao. <\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Via_Mu_so_voi_Microvia_Su_Khac_Biet_Ve_Cau_Truc_Quy_Trinh_va_Ung_Dung\"><\/span><strong>Via M\u00f9 so v\u1edbi Microvia: S\u1ef1 Kh\u00e1c Bi\u1ec7t V\u1ec1 C\u1ea5u Tr\u00fac, Quy Tr\u00ecnh v\u00e0 \u1ee8ng D\u1ee5ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>M\u1eb7c d\u00f9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn c\u00f9ng nhau, via m\u00f9 v\u00e0 microvia \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi c\u00e1c ti\u00eau ch\u00ed c\u01a1 b\u1ea3n kh\u00e1c nhau. Hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa <em>via m\u00f9 v\u00e0 microvia<\/em> l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u00f4ng s\u1ed1 x\u1ebfp ch\u1ed3ng PCB v\u00e0 quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf HDI ch\u00ednh x\u00e1c. <\/p>\n\n<p><strong>Via M\u00f9 so v\u1edbi Microvia<\/strong><\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u0110\u1eb7c \u0111i\u1ec3m<\/th><th class=\"has-text-align-center\" data-align=\"center\">Via M\u00f9<\/th><th class=\"has-text-align-center\" data-align=\"center\">Microvia<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">C\u01a1 S\u1edf \u0110\u1ecbnh Ngh\u0129a<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u0110\u1ed9 S\u00e2u (t\u1eeb l\u1edbp ngo\u00e0i \u0111\u1ebfn l\u1edbp trong)<\/td><td class=\"has-text-align-center\" data-align=\"center\">K\u00edch Th\u01b0\u1edbc (\u2264 150 \u00b5m)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u0110\u01b0\u1eddng K\u00ednh \u0110i\u1ec3n H\u00ecnh<\/td><td class=\"has-text-align-center\" data-align=\"center\">Linh Ho\u1ea1t (\u2265 0,20 mm ph\u1ed5 bi\u1ebfn)<\/td><td class=\"has-text-align-center\" data-align=\"center\">R\u1ea5t nh\u1ecf (\u2248 0,10 mm \/ 4 mil)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Ph\u01b0\u01a1ng Ph\u00e1p Khoan<\/td><td class=\"has-text-align-center\" data-align=\"center\">C\u01a1 h\u1ecdc ho\u1eb7c laser<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ch\u1ec9 laser<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">T\u1ef7 L\u1ec7 Kh\u00eda C\u1ea1nh<\/td><td class=\"has-text-align-center\" data-align=\"center\">Bi\u1ebfn \u0111\u1ed5i<\/td><td class=\"has-text-align-center\" data-align=\"center\">R\u1ea5t th\u1ea5p (\u2264 1:1)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/td><td class=\"has-text-align-center\" data-align=\"center\">Chuy\u1ec3n ti\u1ebfp HDI ti\u00eau chu\u1ea9n<\/td><td class=\"has-text-align-center\" data-align=\"center\">Fanout kho\u1ea3ng c\u00e1ch nh\u1ecf, l\u1edbp x\u00e2y d\u1ef1ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p>M\u1ed9t microvia th\u01b0\u1eddng l\u00e0 m\u1ed9t via m\u00f9, nh\u01b0ng m\u1ed9t via m\u00f9 kh\u00f4ng nh\u1ea5t thi\u1ebft l\u00e0 m\u1ed9t microvia.<br\/>Thu\u1eadt ng\u1eef <em>microvia<\/em> ch\u1ec9 \u0111\u01a1n thu\u1ea7n \u0111\u1ec1 c\u1eadp \u0111\u1ebfn k\u00edch th\u01b0\u1edbc l\u1ed7, trong khi <em>via m\u00f9<\/em> m\u00f4 t\u1ea3 \u0111\u1ed9 s\u00e2u m\u00e0 l\u1ed7 k\u1ebft n\u1ed1i trong x\u1ebfp ch\u1ed3ng PCB.<\/p>\n\n<p>Trong c\u00e1c thi\u1ebft k\u1ebf HDI ti\u00ean ti\u1ebfn, c\u00e1c microvia m\u00f9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c tri\u1ec3n khai trong c\u00e1c c\u1ea5u h\u00ecnh x\u1ebfp ch\u1ed3ng ho\u1eb7c so le \u0111\u1ec3 h\u1ed7 tr\u1ee3 m\u1eadt \u0111\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u1ef1c cao v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 kho\u1ea3ng c\u00e1ch nh\u1ecf.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Via_Chon_so_voi_Via_Mu_Hieu_Ve_Via_Chon_trong_PCB_va_Khi_Nao_Su_Dung_Moi_Loai\"><\/span><strong>Via Ch\u00f4n so v\u1edbi Via M\u00f9: Hi\u1ec3u V\u1ec1 Via Ch\u00f4n trong PCB v\u00e0 Khi N\u00e0o S\u1eed D\u1ee5ng M\u1ed7i Lo\u1ea1i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>L\u1ef1a ch\u1ecdn gi\u1eefa via ch\u00f4n v\u00e0 via m\u00f9 ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u k\u1ebft n\u1ed1i l\u1edbp. C\u1ea3 hai \u0111\u1ec1u l\u00e0 c\u00e1c via n\u1ed9i b\u1ed9, nh\u01b0ng \u0111i\u1ec3m truy c\u1eadp c\u1ee7a ch\u00fang kh\u00e1c nhau. <\/p>\n\n<ul class=\"wp-block-list\">\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>Via M\u00f9:<\/strong><\/mark> K\u1ebft n\u1ed1i m\u1ed9t l\u1edbp ngo\u00e0i v\u1edbi m\u1ed9t l\u1edbp trong. Nh\u00ecn th\u1ea5y \u1edf m\u1ed9t m\u1eb7t c\u1ee7a b\u1ea3ng. <\/li>\n\n\n\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>Via Ch\u00f4n:<\/strong><\/mark> K\u1ebft n\u1ed1i hai ho\u1eb7c nhi\u1ec1u l\u1edbp b\u00ean trong m\u00e0 kh\u00f4ng ch\u1ea1m t\u1edbi l\u1edbp ngo\u00e0i n\u00e0o. Ho\u00e0n to\u00e0n \u1ea9n trong b\u1ea3ng sau khi \u00e9p laminate cu\u1ed1i c\u00f9ng. <\/li>\n<\/ul>\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">Khi N\u00e0o S\u1eed D\u1ee5ng M\u1ed7i Lo\u1ea1i:<\/mark><\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">S\u1eed D\u1ee5ng Via M\u00f9:<\/mark><\/strong> Khi b\u1ea1n c\u1ea7n k\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ea7n g\u1eafn b\u1ec1 m\u1eb7t (nh\u01b0 BGA) tr\u1ef1c ti\u1ebfp v\u1edbi m\u1ed9t m\u1eb7t ph\u1eb3ng t\u00edn hi\u1ec7u ho\u1eb7c ngu\u1ed3n n\u1ed9i b\u1ed9 c\u1ee5 th\u1ec3. \u0110\u00e2y l\u00e0 k\u1ecbch b\u1ea3n ph\u1ed5 bi\u1ebfn nh\u1ea5t cho fanout th\u00e0nh ph\u1ea7n. <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>S\u1eed D\u1ee5ng Via Ch\u00f4n:<\/strong><\/mark> Khi b\u1ea1n c\u00f3 \u0111\u1ecbnh tuy\u1ebfn d\u00e0y \u0111\u1eb7c gi\u1eefa hai l\u1edbp n\u1ed9i b\u1ed9 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i v\u1edbi b\u1ec1 m\u1eb7t. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3i quy\u1ebft t\u1eafc ngh\u1ebdn \u0111\u1ecbnh tuy\u1ebfn n\u1ed9i b\u1ed9 m\u00e0 kh\u00f4ng ti\u00eau t\u1ed1n kh\u00f4ng gian b\u1ec1 m\u1eb7t ho\u1eb7c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ecbnh tuy\u1ebfn l\u1edbp ngo\u00e0i. <\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa via m\u00f9 v\u00e0 via ch\u00f4n r\u1ea5t m\u1ea1nh m\u1ebd. V\u00ed d\u1ee5, m\u1ed9t thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng via m\u00f9 \u0111\u1ec3 fanout m\u1ed9t BGA \u0111\u1ebfn l\u1edbp trong \u0111\u1ea7u ti\u00ean, sau \u0111\u00f3 s\u1eed d\u1ee5ng via ch\u00f4n trong PCB \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn gi\u1eefa c\u00e1c l\u1edbp n\u1ed9i b\u1ed9 s\u00e2u h\u01a1n, t\u1ed1i \u0111a h\u00f3a hi\u1ec7u qu\u1ea3 \u0111\u1ecbnh tuy\u1ebfn tr\u00ean to\u00e0n b\u1ed9 x\u1ebfp ch\u1ed3ng. <\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quy_Trinh_Via_Mu_Tung_Buoc_Tu_Khoan_Den_Ep_Laminate\"><\/span><strong>Quy Tr\u00ecnh Via M\u00f9 T\u1eebng B\u01b0\u1edbc T\u1eeb Khoan \u0110\u1ebfn \u00c9p Laminate<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Quy tr\u00ecnh via m\u00f9 c\u00f3 t\u00ednh tu\u1ea7n t\u1ef1 h\u01a1n so v\u1edbi c\u00e1c via xuy\u00ean, bao g\u1ed3m nhi\u1ec1u chu k\u1ef3 \u00e9p laminate. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng quan \u0111\u01a1n gi\u1ea3n h\u00f3a cho m\u1ed9t via m\u00f9 \u0111\u01b0\u1ee3c khoan b\u1eb1ng laser: <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Ch\u1ebf T\u1ea1o L\u00f5i:<\/strong> S\u1ea3n xu\u1ea5t l\u00f5i l\u1edbp trong s\u1ebd ch\u1ee9a l\u1edbp m\u1ee5c ti\u00eau c\u1ee7a via m\u00f9.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00c9p Laminate C\u00e1c L\u1edbp X\u00e2y D\u1ef1ng:<\/strong> \u00c9p laminate l\u1edbp c\u00e1ch \u0111i\u1ec7n v\u00e0 l\u00e1 \u0111\u1ed3ng cho l\u1edbp ngo\u00e0i l\u00ean l\u00f5i.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>Khoan Laser:<\/strong> S\u1eed d\u1ee5ng laser CO\u2082 ho\u1eb7c UV \u0111\u1ec3 m\u00e0i m\u00f2n v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n xu\u1ed1ng \u0111\u1ebfn pad \u0111\u1ed3ng m\u1ee5c ti\u00eau, t\u1ea1o ra \u00fd ngh\u0129a l\u1ed7 m\u00f9 v\u1ec1 m\u1eb7t v\u1eadt l\u00fd.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>Kh\u1eed V\u1ebft &amp; L\u00e0m S\u1ea1ch:<\/strong> Lo\u1ea1i b\u1ecf m\u1ea3nh v\u1ee5n do laser g\u00e2y ra v\u00e0 v\u1ebft nh\u1ef1a epoxy t\u1eeb l\u1ed7 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u00e1m d\u00ednh t\u1ed1t.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u1ea1 \u0110\u1ed3ng Kh\u00f4ng \u0110i\u1ec7n:<\/strong> \u00c1p d\u1ee5ng m\u1ed9t l\u1edbp h\u1ea1t d\u1eabn \u0111i\u1ec7n m\u1ecfng l\u00ean th\u00e0nh l\u1ed7.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u1ea1 \u0110\u1ed3ng \u0110i\u1ec7n Ph\u00e2n:<\/strong> T\u0103ng \u0111\u1ed9 d\u00e0y \u0111\u1ed3ng \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t th\u00f9ng d\u1eabn \u0111i\u1ec7n ch\u1eafc ch\u1eafn\u2014\u0111\u00e2y l\u00e0 c\u00e1ch \u0111\u1ec3 <strong>khoan m\u1ed9t l\u1ed7 m\u00f9<\/strong> v\u1ec1 m\u1eb7t \u0111i\u1ec7n.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ecbnh H\u00ecnh L\u1edbp Ngo\u00e0i:<\/strong> \u00c1p d\u1ee5ng h\u00ecnh \u1ea3nh v\u00e0 kh\u1eafc \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ea1ch l\u1edbp ngo\u00e0i, k\u1ebft n\u1ed1i v\u1edbi via m\u00f9 \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1ea1.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00c9p Laminate Cu\u1ed1i (n\u1ebfu c\u1ea7n):<\/strong> C\u1ea5u tr\u00fac ph\u1ee5 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e9p laminate v\u1edbi c\u00e1c l\u1edbp b\u1ed5 sung, c\u00f3 th\u1ec3 che ph\u1ee7 n\u00f3 \u0111\u1ec3 t\u1ea1o ra m\u1ed9t via ch\u00f4n trong b\u1ea3ng cu\u1ed1i c\u00f9ng.<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>Quy tr\u00ecnh ki\u1ec3m so\u00e1t n\u00e0y l\u00e0 \u0111i\u1ec1u cho ph\u00e9p t\u1ea1o ra c\u00e1c k\u1ebft n\u1ed1i m\u1eadt \u0111\u1ed9 cao, \u0111\u00e1ng tin c\u1eady.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Via_Mu_so_voi_Khoan_Nguoc_Giai_Thich_Cac_Danh_Doi_Ve_Dien_va_San_Xuat\"><\/span><strong>Via M\u00f9 so v\u1edbi Khoan Ng\u01b0\u1ee3c: Gi\u1ea3i Th\u00edch C\u00e1c \u0110\u00e1nh \u0110\u1ed5i V\u1ec1 \u0110i\u1ec7n v\u00e0 S\u1ea3n Xu\u1ea5t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>C\u1ea3 via m\u00f9 v\u00e0 khoan ng\u01b0\u1ee3c \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u hi\u1ec7u \u1ee9ng \u0111o\u1ea1n via v\u00e0 c\u1ea3i thi\u1ec7n to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c thi\u1ebft k\u1ebf PCB t\u1ed1c \u0111\u1ed9 cao. Tuy nhi\u00ean, quy\u1ebft \u0111\u1ecbnh <em>via m\u00f9 so v\u1edbi khoan ng\u01b0\u1ee3c<\/em> ph\u1ea3n \u00e1nh hai tri\u1ebft l\u00fd thi\u1ebft k\u1ebf c\u01a1 b\u1ea3n kh\u00e1c nhau: m\u1ed9t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1eeb \u0111\u1ea7u, c\u00e1i c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p s\u1eeda ch\u1eefa sau qu\u00e1 tr\u00ecnh. <\/p>\n\n<p><strong>Via M\u00f9 so v\u1edbi Khoan Ng\u01b0\u1ee3c<\/strong><\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Kh\u00eda c\u1ea1nh<\/th><th class=\"has-text-align-center\" data-align=\"center\">Via M\u00f9<\/th><th class=\"has-text-align-center\" data-align=\"center\">Khoan Ng\u01b0\u1ee3c<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">C\u00e1ch Ti\u1ebfp C\u1eadn C\u1ed1t L\u00f5i<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u0110o\u1ea1n tr\u00e1nh \u0111\u01b0\u1ee3c b\u1eb1ng thi\u1ebft k\u1ebf<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u0110o\u1ea1n \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf sau \u0111\u00f3<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Khi \u0110\u01b0\u1ee3c \u00c1p D\u1ee5ng<\/td><td class=\"has-text-align-center\" data-align=\"center\">Trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng<\/td><td class=\"has-text-align-center\" data-align=\"center\">Sau khi ho\u00e0n th\u00e0nh s\u1ea3n xu\u1ea5t<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Lo\u1ea1i Via<\/td><td class=\"has-text-align-center\" data-align=\"center\">Via kh\u00f4ng xuy\u00ean<\/td><td class=\"has-text-align-center\" data-align=\"center\">Via xuy\u00ean<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">T\u00e1c \u0110\u1ed9ng Thi\u1ebft K\u1ebf<\/td><td class=\"has-text-align-center\" data-align=\"center\">X\u1ebfp ch\u1ed3ng \u0111\u01b0\u1ee3c l\u00ean k\u1ebf ho\u1ea1ch tr\u01b0\u1edbc<\/td><td class=\"has-text-align-center\" data-align=\"center\">N\u00e2ng cao thi\u1ebft k\u1ebf hi\u1ec7n c\u00f3<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/td><td class=\"has-text-align-center\" data-align=\"center\">HDI, thi\u1ebft k\u1ebf m\u1edbi<\/td><td class=\"has-text-align-center\" data-align=\"center\">C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p>M\u1ed9t via m\u00f9 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p <em>ch\u1ee7 \u0111\u1ed9ng<\/em>: via kh\u00f4ng bao gi\u1edd t\u1ea1o ra m\u1ed9t \u0111o\u1ea1n d\u00e0i v\u00ec k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n c\u00f3 ch\u1ee7 \u00fd \u0111\u1ebfn c\u00e1c l\u1edbp c\u1ee5 th\u1ec3 trong thi\u1ebft k\u1ebf x\u1ebfp ch\u1ed3ng ban \u0111\u1ea7u.<\/p>\n\n<p>Ng\u01b0\u1ee3c l\u1ea1i, khoan ng\u01b0\u1ee3c l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt <em>ph\u1ea3n \u1ee9ng<\/em>. N\u00f3 lo\u1ea1i b\u1ecf ph\u1ea7n kh\u00f4ng s\u1eed d\u1ee5ng c\u1ee7a m\u1ed9t via xuy\u00ean sau khi s\u1ea3n xu\u1ea5t th\u00f4ng qua khoan \u0111\u1ed9 s\u00e2u ki\u1ec3m so\u00e1t, c\u1ea3i thi\u1ec7n to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft k\u1ebf l\u1ea1i c\u1ea5u tr\u00fac via ban \u0111\u1ea7u. <\/p>\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf HDI t\u1ed1c \u0111\u1ed9 cao m\u1edbi, via m\u00f9 th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn t\u00edch h\u1ee3p v\u00e0 c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng h\u01a1n.<br\/>\u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf nhi\u1ec1u l\u1edbp hi\u1ec7n c\u00f3 c\u1ea7n c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i l\u1edbn v\u1ec1 x\u1ebfp ch\u1ed3ng, khoan ng\u01b0\u1ee3c cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf th\u1ef1c t\u1ebf.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cach_Tinh_Chi_Phi_Via_Mu_va_Nhung_Yeu_To_Nao_Day_Gia_Len\"><\/span><strong>C\u00e1ch T\u00ednh Chi Ph\u00ed Via M\u00f9 v\u00e0 Nh\u1eefng Y\u1ebfu T\u1ed1 N\u00e0o \u0110\u1ea9y Gi\u00e1 L\u00ean?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Hi\u1ec3u c\u00e1c y\u1ebfu t\u1ed1 chi ph\u00ed c\u1ee7a via m\u00f9 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho thi\u1ebft k\u1ebf ti\u1ebft ki\u1ec7m ng\u00e2n s\u00e1ch. Chi ph\u00ed cao h\u01a1n so v\u1edbi PCB l\u1ed7 xuy\u00ean ti\u00eau chu\u1ea9n \u0111\u1ebfn t\u1eeb s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a quy tr\u00ecnh v\u00e0 v\u1eadt li\u1ec7u b\u1ed5 sung. <\/p>\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">C\u00e1c y\u1ebfu t\u1ed1 chi ph\u00ed ch\u00ednh bao g\u1ed3m:<\/mark><\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Chu K\u1ef3 \u00c9p B\u1ed5 Sung:<\/strong> M\u1ed7i chu\u1ed7i l\u1edbp y\u00eau c\u1ea7u via m\u00f9 c\u1ea7n m\u1ed9t b\u01b0\u1edbc \u00e9p ri\u00eang, t\u0103ng th\u1eddi gian \u00e9p v\u00e0 x\u1eed l\u00fd.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>Khoan Laser:<\/strong> Thi\u1ebft b\u1ecb khoan laser c\u00f3 chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec cao h\u01a1n so v\u1edbi khoan c\u01a1 h\u1ecdc. S\u1ed1 l\u01b0\u1ee3ng l\u1ea7n b\u1eafn laser \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn chi ph\u00ed. <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u0103ng B\u01b0\u1edbc Quy Tr\u00ecnh:<\/strong> Kh\u1eed v\u1ebft, m\u1ea1 kim lo\u1ea1i v\u00e0 m\u1ea1 c\u00e1c l\u1ed7 nh\u1ecf, t\u1ef7 l\u1ec7 kh\u00eda c\u1ea1nh cao \u0111\u00f2i h\u1ecfi ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c v\u00e0 t\u0103ng th\u1eddi gian.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1eadt Li\u1ec7u:<\/strong> C\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1eddng n\u00e9t m\u1ecbn v\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n c\u00f3 th\u1ec3 khoan b\u1eb1ng laser chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li><strong>Gi\u1ea3m T\u1ef7 L\u1ec7 S\u1ea3n Xu\u1ea5t T\u1ed5ng Th\u1ec3:<\/strong> S\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a quy tr\u00ecnh via m\u00f9 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ef7 l\u1ec7 s\u1ea3n xu\u1ea5t, m\u1ed9t y\u1ebfu t\u1ed1 chi ph\u00ed \u0111\u01b0\u1ee3c t\u00ednh v\u00e0o gi\u00e1 c\u1ea3.<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>L\u1ed7 via c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t l\u1ed7 xuy\u00ean c\u00f3 m\u1ea1 kh\u00f4ng? M\u1eb7c d\u00f9 t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7 via trong <a href=\"https:\/\/www.bestpcb.vn\/vi\/\">PCB<\/a> hi\u1ec7n \u0111\u1ea1i \u0111\u1ec1u \u0111\u01b0\u1ee3c m\u1ea1, nh\u01b0ng kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 \u0111\u1ec1u l\u00e0 <em>l\u1ed7 xuy\u00ean<\/em>. L\u1ed7 via m\u00f9 trong PCB s\u1eed d\u1ee5ng c\u00e1c l\u1ed7 <em>m\u00f9<\/em> c\u00f3 m\u1ea1, y\u00eau c\u1ea7u quy tr\u00ecnh ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi m\u1ea1 l\u1ed7 xuy\u00ean \u0111\u01a1n gi\u1ea3n, g\u00f3p ph\u1ea7n v\u00e0o c\u1ea5u tr\u00fac chi ph\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ung_dung_PCB_Lo_Via_Mu_Noi_Thiet_Ke_PCB_Lo_Via_Mu_Mang_Lai_Gia_Tri_Thuc_Su\"><\/span><strong>\u1ee8ng d\u1ee5ng PCB L\u1ed7 Via M\u00f9: N\u01a1i Thi\u1ebft K\u1ebf PCB L\u1ed7 Via M\u00f9 Mang L\u1ea1i Gi\u00e1 Tr\u1ecb Th\u1ef1c S\u1ef1<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Gi\u00e1 tr\u1ecb c\u1ee7a PCB l\u1ed7 via m\u00f9 tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn trong c\u00e1c \u1ee9ng d\u1ee5ng n\u01a1i hi\u1ec7u su\u1ea5t, m\u1eadt \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tin c\u1eady h\u1ed9i t\u1ee5.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Thi\u1ebft B\u1ecb Di \u0110\u1ed9ng &amp; \u0110eo:<\/strong> \u0110i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh b\u1ea3ng v\u00e0 \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh n\u01a1i kh\u00f4ng gian l\u00e0 v\u00f4 c\u00f9ng qu\u00fd gi\u00e1.<\/li>\n\n\n\n<li><strong>M\u00e1y T\u00ednh T\u1ed1c \u0110\u1ed9 Cao:<\/strong> M\u00e1y ch\u1ee7, b\u1ed9 chuy\u1ec3n m\u1ea1ch m\u1ea1ng v\u00e0 GPU y\u00eau c\u1ea7u t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u tuy\u1ec7t v\u1eddi \u1edf t\u1ed1c \u0111\u1ed9 \u0111a gigabit.<\/li>\n\n\n\n<li><strong>\u0110i\u1ec7n T\u1eed Y T\u1ebf Ti\u00ean Ti\u1ebfn:<\/strong> Thi\u1ebft b\u1ecb c\u1ea5y gh\u00e9p v\u00e0 thi\u1ebft b\u1ecb ch\u1ea9n \u0111o\u00e1n thu nh\u1ecf.<\/li>\n\n\n\n<li><strong>H\u00e0ng Kh\u00f4ng V\u0169 Tr\u1ee5 &amp; \u0110i\u1ec7n T\u1eed Qu\u1ed1c Ph\u00f2ng:<\/strong> H\u1ec7 th\u1ed1ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 tin c\u1eady cao trong c\u00e1c g\u00f3i nh\u1ecf g\u1ecdn, ch\u1eafc ch\u1eafn.<\/li>\n\n\n\n<li><strong>\u0110i\u1ec7n T\u1eed \u00d4 T\u00f4 Ti\u00ean Ti\u1ebfn:<\/strong> C\u1ea3m bi\u1ebfn ADAS, h\u1ec7 th\u1ed1ng gi\u1ea3i tr\u00ed v\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1.<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>Trong c\u00e1c l\u0129nh v\u1ef1c n\u00e0y, kh\u1ea3 n\u0103ng \u0111\u1ecbnh tuy\u1ebfn c\u00e1c m\u1ea1ch ph\u1ee9c t\u1ea1p m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady trong m\u1ed9t h\u00ecnh th\u1ee9c nh\u1ecf g\u1ecdn khi\u1ebfn c\u00e1c l\u1ed7 via m\u00f9 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn, m\u00e0 l\u00e0 m\u1ed9t nhu c\u1ea7u thi\u1ebft y\u1ebfu cho s\u1ef1 ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m th\u00e0nh c\u00f4ng.<\/p>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"357\" height=\"235\" src=\"https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2026\/01\/blind-via-hole-1.jpg\" alt=\"L&#x1ED7; Via M&#xF9;\" class=\"wp-image-541\" srcset=\"https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2026\/01\/blind-via-hole-1.jpg 357w, https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2026\/01\/blind-via-hole-1-300x197.jpg 300w\" sizes=\"auto, (max-width: 357px) 100vw, 357px\" \/><\/figure>\n\n<p>T\u00f3m l\u1ea1i, c\u00f4ng ngh\u1ec7 <a href=\"http:\/\/To%20sum%20up,%20blind%20via%20hole%E2%80%8B%20technology%20is%20an%20indispensable%20enabler%20for%20high-density,%20high-performance%20PCB%20design,%20providing%20critical%20connections%20that%20save%20space%20and%20enhance%20signal%20integrity.%20This%20article%20has%20explored%20its%20definition,%20benefits,%20key%20differences%20from%20other%20via%20types,%20manufacturing%20process,%20cost%20considerations,%20and%20primary%20applications.\" title=\"\">l\u1ed7 via m\u00f9<\/a> l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu cho thi\u1ebft k\u1ebf <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/04\/single-sided-rigid-pcb-manufacturer-single-sided-pcb-design\/\" title=\"\">PCB<\/a> m\u1eadt \u0111\u1ed9 cao, hi\u1ec7u su\u1ea5t cao, cung c\u1ea5p k\u1ebft n\u1ed1i quan tr\u1ecdng ti\u1ebft ki\u1ec7m kh\u00f4ng gian v\u00e0 n\u00e2ng cao <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/09\/how-to-improve-high-speed-circuit-board-signal-integrity\/\" title=\"\">t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u<\/a>. B\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 kh\u00e1m ph\u00e1 \u0111\u1ecbnh ngh\u0129a, l\u1ee3i \u00edch, s\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh so v\u1edbi c\u00e1c lo\u1ea1i l\u1ed7 kh\u00e1c, quy tr\u00ecnh s\u1ea3n xu\u1ea5t, c\u00e2n nh\u1eafc chi ph\u00ed v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a n\u00f3.<\/p>\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf \u0111ang \u0111i\u1ec1u h\u01b0\u1edbng s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a <a href=\"https:\/\/www.bestpcbs.com\/products\/HDI-board.htm\" title=\"\">HDI<\/a>, vi\u1ec7c h\u1ee3p t\u00e1c v\u1edbi m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 kinh nghi\u1ec7m l\u00e0 r\u1ea5t quan tr\u1ecdng. EBest Circuit (Best Technology) chuy\u00ean bi\u1ebfn c\u00e1c thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p th\u00e0nh c\u00e1c <a href=\"https:\/\/www.bestpcb.vn\/pcba\/\" title=\"\">b\u1ea3ng m\u1ea1ch<\/a> s\u1ea3n xu\u1ea5t \u0111\u00e1ng tin c\u1eady, hi\u1ec7u su\u1ea5t cao. Chuy\u00ean m\u00f4n c\u1ee7a ch\u00fang t\u00f4i trong c\u00e1c quy tr\u00ecnh ti\u00ean ti\u1ebfn nh\u01b0 l\u1ed7 via m\u00f9 v\u00e0 l\u1ed7 via ch\u00f4n \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m c\u1ee7a b\u1ea1n h\u01b0\u1edfng l\u1ee3i t\u1eeb hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u v\u00e0 kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t. Xin vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i b\u1ea5t c\u1ee9 l\u00fac n\u00e0o t\u1ea1i <strong>sales@bestpcb.vn<\/strong> \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n.   <\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_hoi_Thuong_gap\"><\/span><strong>C\u00e2u h\u1ecfi Th\u01b0\u1eddng g\u1eb7p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa l\u1ed7 via m\u00f9 v\u00e0 l\u1ed7 via xuy\u00ean qua l\u00e0 g\u00ec?<\/mark><\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li> L\u1ed7 via m\u00f9 k\u1ebft n\u1ed1i m\u1ed9t l\u1edbp ngo\u00e0i v\u1edbi m\u1ed9t l\u1edbp trong m\u00e0 kh\u00f4ng \u0111i qua to\u00e0n b\u1ed9 b\u1ea3ng. L\u1ed7 via xuy\u00ean qua \u0111i qua t\u1ea5t c\u1ea3 c\u00e1c l\u1edbp c\u1ee7a b\u1ea3ng. <\/li>\n<\/ul>\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa l\u1ed7 via m\u00f9 v\u00e0 l\u1ed7 via ch\u00f4n l\u00e0 g\u00ec?<\/strong> <\/mark><\/p>\n\n<ul class=\"wp-block-list\">\n<li>L\u1ed7 via m\u00f9 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y tr\u00ean m\u1ed9t b\u1ec1 m\u1eb7t b\u1ea3ng, trong khi l\u1ed7 via ch\u00f4n ho\u00e0n to\u00e0n \u1ea9n b\u00ean trong b\u1ea3ng, ch\u1ec9 k\u1ebft n\u1ed1i c\u00e1c l\u1edbp b\u00ean trong.<\/li>\n<\/ul>\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>L\u1ed7 via m\u00f9 c\u00f3 \u0111\u1eaft h\u01a1n kh\u00f4ng?<\/strong> <\/mark><\/p>\n\n<ul class=\"wp-block-list\">\n<li>C\u00f3, do c\u00e1c b\u01b0\u1edbc s\u1ea3n xu\u1ea5t b\u1ed5 sung nh\u01b0 khoan laser v\u00e0 c\u00e1n l\u1edbp tu\u1ea7n t\u1ef1, <strong>l\u1ed7 via m\u00f9<\/strong> \u0111\u1eaft h\u01a1n so v\u1edbi l\u1ed7 via xuy\u00ean qua ti\u00eau chu\u1ea9n.<\/li>\n<\/ul>\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa l\u1ed7 via m\u00f9 v\u00e0 khoan ng\u01b0\u1ee3c l\u00e0 g\u00ec?<\/strong> <\/mark><\/p>\n\n<ul class=\"wp-block-list\">\n<li>L\u1ed7 via m\u00f9 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1eeb \u0111\u1ea7u \u0111\u1ec3 tr\u00e1nh m\u1ed9t \u0111o\u1ea1n stub d\u00e0i. Khoan ng\u01b0\u1ee3c l\u00e0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng th\u1ee9 c\u1ea5p lo\u1ea1i b\u1ecf \u0111o\u1ea1n stub t\u1eeb m\u1ed9t l\u1ed7 via xuy\u00ean qua hi\u1ec7n c\u00f3. <\/li>\n<\/ul>\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><strong>L\u1ed7 via c\u00f3 ph\u1ea3i l\u00e0 l\u1ed7 xuy\u00ean qua m\u1ea1 kh\u00f4ng?<\/strong> <\/mark><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Trong thu\u1eadt ng\u1eef th\u00f4ng th\u01b0\u1eddng, &#8220;l\u1ed7 xuy\u00ean qua m\u1ea1&#8221; (PTH) \u0111\u1eb7c bi\u1ec7t \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t l\u1ed7 via \u0111i qua to\u00e0n b\u1ed9 b\u1ea3ng. Tuy nhi\u00ean, t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7 via hi\u1ec7n \u0111\u1ea1i (m\u00f9, ch\u00f4n, vi m\u00f4) \u0111\u1ec1u c\u00f3 l\u1ed7 m\u1ea1. V\u00ec v\u1eady, trong khi t\u1ea5t c\u1ea3 c\u00e1c PTH l\u00e0 l\u1ed7 via, kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7 via \u0111\u1ec1u l\u00e0 l\u1ed7 xuy\u00ean qua.  <\/li>\n<\/ul>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u1ed7 Via M\u00f9 l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i quan tr\u1ecdng k\u1ebft n\u1ed1i m\u1ed9t l\u1edbp ngo\u00e0i c\u1ee7a b\u1ea3ng m\u1ea1ch in [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[133,1],"tags":[138,136,137,135,134],"class_list":["post-543","post","type-post","status-publish","format-standard","hentry","category-pcb","category-1","tag-chi-phi-via-mu","tag-lo-via-mu","tag-quy-trinh-via-mu","tag-via-chon-so-voi-via-mu","tag-via-mu-trong-pcb"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/posts\/543","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/comments?post=543"}],"version-history":[{"count":4,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/posts\/543\/revisions"}],"predecessor-version":[{"id":557,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/posts\/543\/revisions\/557"}],"wp:attachment":[{"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/media?parent=543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/categories?post=543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/tags?post=543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}