{"id":2443,"date":"2025-02-20T15:22:09","date_gmt":"2025-02-20T07:22:09","guid":{"rendered":"https:\/\/www.jingpengpcb.com\/?p=2443"},"modified":"2026-10-02T17:33:36","modified_gmt":"2026-10-02T09:33:36","slug":"why-do-pcb-circuit-boards-need-to-block-the-through-holes","status":"publish","type":"post","link":"https:\/\/www.jingpengpcb.com\/en\/faq\/why-do-pcb-circuit-boards-need-to-block-the-through-holes\/","title":{"rendered":"Why are vias on PCBs filled in?"},"content":{"rendered":"

\u5bfc\u7535\u5b54\uff08Via hole\uff09\u53c8\u540d\u5bfc\u901a\u5b54\uff0c\u4e3a\u4e86\u6ee1\u8db3\u5ba2\u6237\u7684\u9700\u6c42\uff0c\u7ebf\u8def\u677f\u7684\u8fc7\u5b54\u5fc5\u987b\u8fdb\u884c\u585e\u5b54\u5904\u7406\u3002\u7ecf\u8fc7\u5927\u91cf\u7684\u5b9e\u8df5\uff0c\u6539\u53d8\u4f20\u7edf\u7684\u94dd\u7247\u585e\u5b54\u5de5\u827a\uff0c\u91c7\u7528\u767d\u7f51\u5b8c\u6210\u7ebf\u8def\u677f\u677f\u9762\u963b\u710a\u4e0e\u585e\u5b54\uff0c\u8fd9\u4e00\u521b\u65b0\u7684\u65b9\u6cd5\u5728\u751f\u4ea7\u4e2d\u8868\u73b0\u51fa\u4e86\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n

\"VIA<\/p>\n

\u5bfc\u901a\u5b54\u7684\u91cd\u8981\u6027<\/h2>\n

\u5bfc\u901a\u5b54\u8d77\u7740\u8fde\u63a5\u7ebf\u8def\u7684\u91cd\u8981\u4f5c\u7528\uff0c\u968f\u7740\u7535\u5b50\u884c\u4e1a\u7684\u53d1\u5c55\uff0c\u5c24\u5176\u662fSMT\uff08\u8868\u9762\u8d34\u88c5\u6280\u672f\uff09\u548cBGA\uff08\u7403\u6805\u9635\u5217\uff09\u7b49\u9ad8\u5bc6\u5ea6\u3001\u9ad8\u96be\u5ea6\u7684PCB\u7684\u51fa\u73b0\uff0c\u5ba2\u6237\u5bf9\u5bfc\u901a\u5b54\u8fdb\u884c\u585e\u5b54\u8981\u6c42\u6108\u52a0\u91cd\u8981\u3002\u8fd9\u4e3b\u8981\u57fa\u4e8e\u4ee5\u4e0b\u4e94\u4e2a\u4f5c\u7528\uff1a<\/p>\n

    \n
  1. \u9632\u6b62\u77ed\u8def\uff1a<\/strong> \u5728PCB\u7684\u6ce2\u5cf0\u710a\u8fc7\u7a0b\u4e2d\uff0c\u5bfc\u901a\u5b54\u82e5\u672a\u8fdb\u884c\u585e\u5b54\u5904\u7406\uff0c\u9521\u53ef\u80fd\u4ece\u5bfc\u901a\u5b54\u8d2f\u7a7f\u5143\u4ef6\u9762\uff0c\u5bfc\u81f4\u77ed\u8def\u3002\u7279\u522b\u662f\u5c06\u5bfc\u901a\u5b54\u653e\u7f6e\u5728BGA\u710a\u76d8\u4e0a\u65f6\uff0c\u5fc5\u987b\u5148\u8fdb\u884c\u585e\u5b54\u5904\u7406\uff0c\u7136\u540e\u518d\u8fdb\u884c\u91d1\u5c5e\u9540\u5c42\u5904\u7406\uff0c\u4ee5\u4fbfBGA\u7684\u710a\u63a5\u3002<\/li>\n
  2. \u907f\u514d\u52a9\u710a\u5242\u6b8b\u7559\uff1a<\/strong> \u585e\u5b54\u53ef\u4ee5\u9632\u6b62\u52a9\u710a\u5242\u6b8b\u7559\u5728\u5bfc\u901a\u5b54\u5185\uff0c\u786e\u4fdd\u7535\u8def\u677f\u7684\u6e05\u6d01\u3002<\/li>\n
  3. \u6d4b\u8bd5\u9700\u6c42\uff1a<\/strong> PCB\u5728\u8868\u9762\u8d34\u88c5\u548c\u5143\u4ef6\u88c5\u914d\u5b8c\u6210\u540e\uff0c\u901a\u5e38\u9700\u8981\u5728\u6d4b\u8bd5\u673a\u4e0a\u4ea7\u751f\u8d1f\u538b\u4ee5\u5b8c\u6210\u6d4b\u8bd5\u3002<\/li>\n
  4. \u9632\u6b62\u865a\u710a\uff1a<\/strong> \u585e\u5b54\u53ef\u4ee5\u9632\u6b62\u8868\u9762\u9521\u818f\u6d41\u5165\u5b54\u5185\uff0c\u5bfc\u81f4\u865a\u710a\uff0c\u4ece\u800c\u5f71\u54cd\u8d34\u88c5\u3002<\/li>\n
  5. \u9632\u6b62\u77ed\u8def\uff1a<\/strong> \u5728\u6ce2\u5cf0\u710a\u65f6\uff0c\u585e\u5b54\u53ef\u4ee5\u9632\u6b62\u9521\u73e0\u5f39\u51fa\uff0c\u5bfc\u81f4\u77ed\u8def\u3002<\/li>\n<\/ol>\n

    \u5bfc\u7535\u5b54\u585e\u5b54\u5de5\u827a\u7684\u5b9e\u73b0<\/h2>\n

    1. \u70ed\u98ce\u6574\u5e73\u540e\u585e\u5b54\u5de5\u827a<\/h3>\n

    \u8fd9\u4e00\u5de5\u827a\u6d41\u7a0b\u5305\u62ec\u677f\u9762\u963b\u710a\u3001HAL\uff08\u70ed\u7a7a\u6c14\u9521\u818f\u6d78\u6d82\uff09\u3001\u585e\u5b54\u548c\u56fa\u5316\u3002\u8fd9\u79cd\u65b9\u6cd5\u4f7f\u7528\u94dd\u7247\u7f51\u7248\u6216\u6321\u58a8\u7f51\u6765\u5b8c\u6210\u6240\u6709\u9700\u8981\u585e\u5b54\u7684\u5bfc\u901a\u5b54\u3002<\/p>\n

    \u585e\u5b54\u6cb9\u58a8\u53ef\u4ee5\u4f7f\u7528\u611f\u5149\u6cb9\u58a8\u6216\u70ed\u56fa\u6027\u6cb9\u58a8\uff0c\u6700\u597d\u4e0e\u677f\u9762\u4e0a\u7684\u6cb9\u58a8\u4e00\u81f4\u3002<\/p>\n

    \u5c3d\u7ba1\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u786e\u4fdd\u70ed\u98ce\u6574\u5e73\u540e\u5bfc\u901a\u5b54\u4e0d\u4f1a\u6389\u6cb9\uff0c\u4f46\u5b83\u53ef\u80fd\u5bfc\u81f4\u585e\u5b54\u6cb9\u58a8\u6c61\u67d3\u677f\u9762\uff0c\u4f7f\u5176\u4e0d\u5e73\u6574\uff0c\u4ece\u800c\u5bb9\u6613\u5bfc\u81f4\u865a\u710a\uff08\u5c24\u5176\u662f\u5728BGA\u5185\uff09\u3002\u56e0\u6b64\uff0c\u8bb8\u591a\u5ba2\u6237\u4e0d\u63a5\u53d7\u8fd9\u79cd\u65b9\u6cd5\u3002<\/p>\n

    2. \u70ed\u98ce\u6574\u5e73\u524d\u585e\u5b54\u5de5\u827a<\/h3>\n

    \u8fd9\u79cd\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u6570\u63a7\u94bb\u5e8a\u94bb\u51fa\u9700\u8981\u585e\u5b54\u7684\u94dd\u7247\uff0c\u5236\u6210\u7f51\u7248\uff0c\u7136\u540e\u8fdb\u884c\u585e\u5b54\u5904\u7406\u3002\u8fd9\u53ef\u4ee5\u786e\u4fdd\u5bfc\u901a\u5b54\u7684\u585e\u5b54\u5e73\u6574\uff0c\u4f46\u8981\u6c42\u4e00\u6b21\u6027\u52a0\u539a\u94dc\uff0c\u4f7f\u5b54\u58c1\u7684\u94dc\u539a\u6ee1\u8db3\u5ba2\u6237\u7684\u6807\u51c6\u3002<\/p>\n

    \u8fd9\u5bf9\u6574\u677f\u7684\u9540\u94dc\u8981\u6c42\u5f88\u9ad8\uff0c\u56e0\u6b64\u5728\u4e00\u4e9bPCB\u5382\u53ef\u80fd\u6ca1\u6709\u5e7f\u6cdb\u91c7\u7528\u3002<\/p>\n

    3. \u94dd\u7247\u585e\u5b54\u3001\u663e\u5f71\u3001\u9884\u56fa\u5316\u3001\u78e8\u677f\u540e\u8fdb\u884c\u677f\u9762\u963b\u710a<\/h3>\n

    \u8fd9\u4e2a\u5de5\u827a\u6d41\u7a0b\u6d89\u53ca\u5236\u4f5c\u7f51\u7248\uff0c\u7136\u540e\u5728\u4e1d\u5370\u673a\u4e0a\u8fdb\u884c\u585e\u5b54\uff0c\u585e\u5b54\u540e\u8fdb\u884c\u78e8\u677f\u5904\u7406\u3002\u8fd9\u79cd\u65b9\u6cd5\u80fd\u591f\u786e\u4fdd\u5bfc\u901a\u5b54\u7684\u585e\u5b54\u5e73\u6574\uff0c\u4f46\u9700\u8981\u7279\u6b8a\u7684\u6d41\u7a0b\u548c\u53c2\u6570\u624d\u80fd\u786e\u4fdd\u8d28\u91cf\uff0c\u56e0\u6b64\u5728PCB\u5382\u4f7f\u7528\u8f83\u5c11\u3002<\/p>\n

    4. \u677f\u9762\u963b\u710a\u4e0e\u585e\u5b54\u540c\u65f6\u5b8c\u6210<\/h3>\n

    \u8fd9\u4e2a\u65b9\u6cd5\u4f7f\u752836T\uff0843T\uff09\u7684\u4e1d\u7f51\uff0c\u5c06\u5bfc\u901a\u5b54\u585e\u4f4f\uff0c\u7136\u540e\u5728\u677f\u9762\u963b\u710a\u8fc7\u7a0b\u4e2d\u5b8c\u6210\u3002<\/p>\n

    \u867d\u7136\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u4fdd\u8bc1\u5bfc\u901a\u5b54\u4e0d\u6389\u6cb9\uff0c\u4f46\u5b83\u4e5f\u6709\u4e00\u4e9b\u6311\u6218\uff0c\u4f8b\u5982\u56fa\u5316\u540e\u5bfc\u901a\u5b54\u8fb9\u7f18\u53ef\u80fd\u4f1a\u8d77\u6ce1\uff0c\u91c7\u7528\u6b64\u65b9\u6cd5\u9700\u8981\u7279\u6b8a\u7684\u6d41\u7a0b\u548c\u53c2\u6570\u4ee5\u786e\u4fdd\u8d28\u91cf\u3002<\/p>\n

    \u5bfc\u7535\u5b54\u585e\u5b54\u5de5\u827a\u5bf9PCB\u7ebf\u8def\u677f\u7684\u8d28\u91cf\u81f3\u5173\u91cd\u8981\u3002\u9009\u62e9\u5408\u9002\u7684\u5de5\u827a\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5ba2\u6237\u7684\u8981\u6c42\u4ee5\u53caPCB\u5382\u7684\u8bbe\u5907\u548c\u5de5\u827a\u80fd\u529b\u3002<\/p>\n

    \n

    FAQ<\/strong><\/h2>\n

    \u4ec0\u4e48\u662f\u5bfc\u901a\u5b54\uff08Via hole\uff09\uff1f<\/strong><\/p>\n

    \u5bfc\u901a\u5b54\u662f\u4e00\u79cd\u8fde\u63a5\u7ebf\u8def\u7684\u5b54\uff0c\u5e38\u89c1\u4e8ePCB\u7ebf\u8def\u677f\u4e2d\u3002<\/p>\n

    \u4e3a\u4ec0\u4e48\u5bfc\u901a\u5b54\u9700\u8981\u8fdb\u884c\u585e\u5b54\u5904\u7406\uff1f<\/strong><\/p>\n

    \u585e\u5b54\u53ef\u4ee5\u9632\u6b62\u77ed\u8def\u3001\u52a9\u710a\u5242\u6b8b\u7559\u3001\u865a\u710a\u4ee5\u53ca\u5176\u4ed6\u4e0e\u5bfc\u901a\u5b54\u76f8\u5173\u7684\u95ee\u9898\u3002<\/p>\n

    \u6709\u54ea\u4e9b\u4e0d\u540c\u7684\u5bfc\u901a\u5b54\u585e\u5b54\u5de5\u827a\uff1f<\/strong><\/p>\n

    \u6709\u591a\u79cd\u4e0d\u540c\u7684\u5de5\u827a\u65b9\u6cd5\uff0c\u5305\u62ec\u70ed\u98ce\u6574\u5e73\u540e\u585e\u5b54\u3001\u70ed\u98ce\u6574\u5e73\u524d\u585e\u5b54\u3001\u94dd\u7247\u585e\u5b54\u540e\u78e8\u677f\u7b49\u3002<\/p>\n

    \u4e3a\u4ec0\u4e48\u9009\u62e9\u9002\u5f53\u7684\u5bfc\u7535\u5b54\u585e\u5b54\u5de5\u827a\u5f88\u91cd\u8981\uff1f<\/strong><\/p>\n

    \u9009\u62e9\u9002\u5f53\u7684\u5de5\u827a\u65b9\u6cd5\u53ef\u4ee5\u786e\u4fddPCB\u7ebf\u8def\u677f\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\uff0c\u6ee1\u8db3\u5ba2\u6237\u7684\u9700\u6c42\u3002<\/p>\n

    \u5bfc\u7535\u5b54\u585e\u5b54\u5de5\u827a\u5bf9PCB\u7ebf\u8def\u677f\u7684\u8d28\u91cf\u6709\u4f55\u5f71\u54cd\uff1f<\/strong><\/p>\n

    \u5bfc\u7535\u5b54\u585e\u5b54\u5de5\u827a\u7684\u9009\u62e9\u76f4\u63a5\u5f71\u54cd\u7ebf\u8def\u677f\u7684\u8d28\u91cf\uff0c\u5305\u62ec\u9632\u6b62\u95ee\u9898\u5982\u77ed\u8def\u3001\u865a\u710a\u7b49\u3002<\/p>","protected":false},"excerpt":{"rendered":"

    \u5bfc\u7535\u5b54\uff08Via hole\uff09\u53c8\u540d\u5bfc\u901a\u5b54\uff0c\u4e3a\u4e86\u6ee1\u8db3\u5ba2\u6237\u7684\u9700\u6c42\uff0c\u7ebf\u8def\u677f\u7684\u8fc7\u5b54\u5fc5\u987b\u8fdb\u884c\u585e\u5b54\u5904\u7406\u3002\u7ecf\u8fc7\u5927\u91cf\u7684\u5b9e\u8df5\uff0c\u6539\u53d8\u4f20 […]<\/p>\n","protected":false},"author":1,"featured_media":7138,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"slim_seo":{"title":"Why are vias on PCBs filled in?","description":"PCB\u8fc7\u5b54\u4e3a\u4ec0\u4e48\u8981\u5835\u4e0a\uff1f\u8bb2\u6e05\u585e\u5b54\u7684\u56db\u79cd\u5de5\u827a\u505a\u6cd5\u4e0e\u5404\u81ea\u9002\u7528\u65f6\u673a\uff0c\u4ee5\u53ca\u4e0d\u585e\u5b54\u53ef\u80fd\u5e26\u6765\u7684\u9521\u73e0\u3001\u865a\u710a\u4e0e\u957f\u671f\u53ef\u9760\u6027\u95ee\u9898\u3002"},"_slim_seo_primary_term_category":0,"_slim_seo_primary_term_post_tag":0,"footnotes":""},"categories":[27],"tags":[111],"class_list":["post-2443","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","tag-111"],"_links":{"self":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts\/2443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/comments?post=2443"}],"version-history":[{"count":1,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts\/2443\/revisions"}],"predecessor-version":[{"id":19253,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts\/2443\/revisions\/19253"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/media\/7138"}],"wp:attachment":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/media?parent=2443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/categories?post=2443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/tags?post=2443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}