{"id":4666,"date":"2026-01-22T07:41:45","date_gmt":"2026-01-22T07:41:45","guid":{"rendered":"https:\/\/flj-pcb.com\/?p=4666"},"modified":"2026-01-22T07:41:50","modified_gmt":"2026-01-22T07:41:50","slug":"pcb-stackup-design-from-2-to-8-layers-for-emi-control","status":"publish","type":"post","link":"https:\/\/flj-pcb.com\/ja\/pcb-stackup-design-from-2-to-8-layers-for-emi-control\/","title":{"rendered":"EMI\u5236\u5fa1\u306e\u305f\u3081\u306e2\u5c64\u304b\u30898\u5c64\u307e\u3067\u306ePCB\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u8a2d\u8a08"},"content":{"rendered":"<h2 class=\"wp-block-heading\">1.\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u8a2d\u8a08\u306e\u57fa\u672c\u539f\u5247<\/h2>\n\n\n\n<p>\u5168\u4f53\u3068\u3057\u3066\u3001\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u8a2d\u8a08\u306f2\u3064\u306e\u30eb\u30fc\u30eb\u306b\u5f93\u308f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5404\u914d\u7dda\u5c64\u306f\u3001\u8fd1\u304f\u306b\u53c2\u7167\u5c64\u304c\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u53c2\u7167\u5c64\u306f\u30d1\u30ef\u30fc\u30d7\u30ec\u30fc\u30f3\u3067\u3082\u30b0\u30e9\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3\u3067\u3082\u3088\u3044\u3002.<\/li>\n\n\n\n<li>\u4e3b\u96fb\u6e90\u30d7\u30ec\u30fc\u30f3\u3068\u30b0\u30e9\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3\u3092\u3067\u304d\u308b\u3060\u3051\u8fd1\u3065\u3051\u308b\u3002\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u5bb9\u91cf\u304c\u5927\u304d\u304f\u306a\u308b\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u30012\u5c64\u57fa\u677f\u304b\u30898\u5c64\u57fa\u677f\u307e\u3067\u306e\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u4f8b\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Core-Principles-of-Stackup-Design.webp\" alt=\"Core Principles of Stackup Design\" class=\"wp-image-4667\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Core-Principles-of-Stackup-Design.webp 800w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Core-Principles-of-Stackup-Design-300x188.webp 300w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Core-Principles-of-Stackup-Design-768x480.webp 768w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Core-Principles-of-Stackup-Design-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">2.PCB\u30ec\u30a4\u30e4\u30fc\u6570\u306b\u3088\u308b\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u30b9\u30ad\u30fc\u30e0<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 1\u5c64\u57fa\u677f\u30682\u5c64\u57fa\u677f\u306e\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7<\/h3>\n\n\n\n<p>2\u5c64\u57fa\u677f\u306e\u5834\u5408\u3001\u5c64\u6570\u306f\u5c11\u306a\u3044\u3002\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u554f\u984c\u306f\u3001\u591a\u5c64\u57fa\u677f\u3068\u540c\u3058\u3088\u3046\u306b\u306f\u5b58\u5728\u3057\u306a\u3044\u3002EMI\u653e\u5c04\u306e\u5236\u5fa1\u306f\u3001\u914d\u7dda\u3068\u30ec\u30a4\u30a2\u30a6\u30c8\u304b\u3089\u884c\u308f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002.<\/p>\n\n\n\n<p><a href=\"https:\/\/flj-pcb.com\/ja\/pcb-manufacturer\/single-sided-pcb\/\" data-type=\"page\" data-id=\"2625\">\u5358\u5c64<\/a> \u30842\u5c64\u57fa\u677f\u3067\u306f\u3001EMC\u554f\u984c\u304c\u6df1\u523b\u5316\u3057\u3066\u3044\u308b\u3002\u4e3b\u306a\u539f\u56e0\u306f\u3001\u4fe1\u53f7\u306e\u30eb\u30fc\u30d7\u9818\u57df\u304c\u5927\u304d\u304f\u306a\u308b\u3053\u3068\u3060\u3002\u30eb\u30fc\u30d7\u9762\u7a4d\u304c\u5927\u304d\u3044\u3068\u8f3b\u5c04\u304c\u5f37\u304f\u306a\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u56de\u8def\u304c\u5916\u90e8\u30ce\u30a4\u30ba\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u304f\u306a\u308b\u3002EMC\u3092\u6539\u5584\u3059\u308b\u306b\u306f\u3001\u4e3b\u8981\u4fe1\u53f7\u306e\u30eb\u30fc\u30d7\u9762\u7a4d\u3092\u5c0f\u3055\u304f\u3059\u308b\u306e\u304c\u6700\u3082\u7c21\u5358\u306a\u65b9\u6cd5\u3060\u3002.<\/p>\n\n\n\n<p>\u30ad\u30fc\u30b7\u30b0\u30ca\u30eb\uff1aEMC\u306e\u89b3\u70b9\u304b\u3089\u898b\u308b\u3068\u3001\u4e3b\u8981\u306a\u4fe1\u53f7\u3068\u306f\u3001\u5f37\u3044\u653e\u5c04\u3092\u51fa\u3059\u4fe1\u53f7\u3068\u5916\u90e8\u30ce\u30a4\u30ba\u306b\u654f\u611f\u306a\u4fe1\u53f7\u3067\u3042\u308b\u3002\u5f37\u3044\u653e\u5c04\u3092\u8d77\u3053\u3059\u4fe1\u53f7\u306f\u901a\u5e38\u3001\u5468\u671f\u7684\u306a\u4fe1\u53f7\u3067\u3042\u308b\u3002\u30af\u30ed\u30c3\u30af\u3084\u4f4e\u6b21\u306e\u30a2\u30c9\u30ec\u30b9\u4fe1\u53f7\u306a\u3069\u304c\u3053\u308c\u306b\u3042\u305f\u308b\u3002\u30ce\u30a4\u30ba\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u3044\u4fe1\u53f7\u306f\u3001\u901a\u5e38\u3001\u4f4e\u30ec\u30d9\u30eb\u306e\u30a2\u30ca\u30ed\u30b0\u4fe1\u53f7\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p>\u5358\u5c64\u304a\u3088\u3073\u4e8c\u5c64\u57fa\u677f\u306f\u3001\u901a\u5e38 10 kHz \u4ee5\u4e0b\u306e\u4f4e\u5468\u6ce2\u30a2\u30ca\u30ed\u30b0\u8a2d\u8a08\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002\u4ee5\u4e0b\u306e\u57fa\u672c\u30eb\u30fc\u30eb\u3092\u5b88\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3067\u304d\u308b\u9650\u308a\u3001\u540c\u3058\u30ec\u30a4\u30e4\u30fc\u306b\u653e\u5c04\u72b6\u306b\u96fb\u6e90\u3092\u914d\u7dda\u3059\u308b\u3053\u3068\u3002\u30c8\u30ec\u30fc\u30b9\u306e\u7dcf\u5ef6\u9577\u306f\u306a\u308b\u3079\u304f\u77ed\u304f\u3059\u308b\u3002.<\/li>\n\n\n\n<li>\u30d1\u30ef\u30fc\u30c8\u30ec\u30fc\u30b9\u3068\u30b0\u30e9\u30a6\u30f3\u30c9\u30c8\u30ec\u30fc\u30b9\u3092\u4e92\u3044\u306b\u8fd1\u3065\u3051\u308b\u3002\u30ad\u30fc\u3068\u306a\u308b\u4fe1\u53f7\u306e\u96a3\u306b\u30b0\u30e9\u30a6\u30f3\u30c9\u30c8\u30ec\u30fc\u30b9\u3092\u7f6e\u304f\u3002\u305d\u306e\u30b0\u30e9\u30a6\u30f3\u30c9\u30c8\u30ec\u30fc\u30b9\u306f\u3001\u3067\u304d\u308b\u9650\u308a\u4fe1\u53f7\u306e\u8fd1\u304f\u306b\u7f6e\u304f\u3002\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30eb\u30fc\u30d7\u9762\u7a4d\u304c\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002\u30eb\u30fc\u30d7\u30a8\u30ea\u30a2\u304c\u5c0f\u3055\u3044\u3068\u3001\u30b3\u30e2\u30f3\u30e2\u30fc\u30c9\u8f3b\u5c04\u304c\u5c11\u306a\u304f\u306a\u308a\u3001\u4fe1\u53f7\u304c\u5916\u90e8\u30ce\u30a4\u30ba\u306e\u5f71\u97ff\u3092\u53d7\u3051\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002\u30b0\u30e9\u30a6\u30f3\u30c9\u30c8\u30ec\u30fc\u30b9\u3092\u4fe1\u53f7\u306e\u6a2a\u306b\u7f6e\u304f\u3068\u3001\u5c0f\u3055\u306a\u30eb\u30fc\u30d7\u304c\u4fe1\u53f7\u306e\u30ea\u30bf\u30fc\u30f3\u96fb\u6d41\u3092\u5f15\u304d\u5bc4\u305b\u307e\u3059\u3002\u4fe1\u53f7\u96fb\u6d41\u306f\u3053\u306e\u5c0f\u3055\u306a\u30eb\u30fc\u30d7\u3092\u901a\u308a\u3001\u4ed6\u306e\u30b0\u30e9\u30a6\u30f3\u30c9\u7d4c\u8def\u3092\u901a\u308a\u307e\u305b\u3093\u3002.<\/li>\n\n\n\n<li>\u4e21\u9762\u30dc\u30fc\u30c9\u306e\u5834\u5408\u3001\u30dc\u30fc\u30c9\u306e\u53cd\u5bfe\u5074\u306b\u3001\u4fe1\u53f7\u30c8\u30ec\u30fc\u30b9\u306e\u3059\u3050\u4e0b\u306b\u5e45\u306e\u5e83\u3044\u30b0\u30e9\u30a6\u30f3\u30c9\u30fb\u30c8\u30ec\u30fc\u30b9\u3092\u914d\u7f6e\u3059\u308b\u3002\u3053\u306e\u30b0\u30e9\u30a6\u30f3\u30c9\u30fb\u30c8\u30ec\u30fc\u30b9\u306f\u3067\u304d\u308b\u3060\u3051\u5e83\u304f\u3059\u308b\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u57fa\u677f\u306e\u539a\u3055\u00d7\u4fe1\u53f7\u306e\u9577\u3055\u306b\u7b49\u3057\u3044\u30eb\u30fc\u30d7\u9818\u57df\u304c\u3067\u304d\u308b\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2.2 4\u5c64\u30dc\u30fc\u30c9\u306e\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7<\/h3>\n\n\n\n<p>\u4e00\u822c\u7684\u306a4\u5c64\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>SIG - GND\uff08\u307e\u305f\u306fPWR\uff09 - PWR\uff08\u307e\u305f\u306fGND\uff09 - SIG<\/li>\n\n\n\n<li>GND - SIG\uff08\u307e\u305f\u306fPWR\uff09 - SIG\uff08\u307e\u305f\u306fPWR\uff09 - GND<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u3044\u305a\u308c\u306b\u3064\u3044\u3066\u3082\u3001\u6a19\u6e96\u7684\u306a\u57fa\u677f\u539a1.6mm\uff0862mil\uff09\u306b\u306f\u6f5c\u5728\u7684\u306a\u554f\u984c\u304c\u3042\u308b\u3002\u5c64\u9593\u306e\u9593\u9694\u304c\u5927\u304d\u304f\u306a\u308b\u3002\u9593\u9694\u304c\u5927\u304d\u3044\u3068\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3001\u30ec\u30a4\u30e4\u30fc\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u3001\u30b7\u30fc\u30eb\u30c9\u306e\u5236\u5fa1\u304c\u96e3\u3057\u304f\u306a\u308b\u3002\u7279\u306b\u3001\u96fb\u6e90\u30d7\u30ec\u30fc\u30f3\u3068\u30b0\u30e9\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3\u306e\u9593\u9694\u304c\u5927\u304d\u3044\u3068\u3001\u57fa\u677f\u9759\u96fb\u5bb9\u91cf\u304c\u4f4e\u4e0b\u3059\u308b\u3002\u57fa\u677f\u9759\u96fb\u5bb9\u91cf\u304c\u4f4e\u3044\u3068\u3001\u30ce\u30a4\u30ba\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306b\u4e0d\u5229\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"445\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Four-Layer-Board-Stackups.webp\" alt=\"Four-Layer Board Stackups\" class=\"wp-image-4668\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Four-Layer-Board-Stackups.webp 800w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Four-Layer-Board-Stackups-300x167.webp 300w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Four-Layer-Board-Stackups-768x427.webp 768w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Four-Layer-Board-Stackups-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u6700\u521d\u306e\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u5834\u5408\uff08SIG - GND\/PWR - PWR\/GND - SIG\uff09<\/h4>\n\n\n\n<p>\u57fa\u677f\u4e0a\u306b\u591a\u304f\u306e\u30c1\u30c3\u30d7\u304c\u3042\u308b\u5834\u5408\u306b\u3088\u304f\u4f7f\u308f\u308c\u308b\u3002\u3053\u306e\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u306f\u826f\u597d\u306a\u30b7\u30b0\u30ca\u30eb\u30a4\u30f3\u30c6\u30b0\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3059\u308b\u3002EMI\u6027\u80fd\u306f\u305d\u308c\u307b\u3069\u826f\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u614e\u91cd\u306a\u914d\u7dda\u3084\u305d\u306e\u4ed6\u306e\u8a73\u7d30\u306b\u3088\u3063\u3066EMI\u3092\u5236\u5fa1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b0\u30e9\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3\u3092\u3001\u914d\u7dda\u304c\u6700\u3082\u5bc6\u96c6\u3057\u3066\u3044\u308b\u4fe1\u53f7\u5c64\u306e\u96a3\u306b\u7f6e\u304f\u3002\u3053\u308c\u306f\u3001\u653e\u5c04\u3092\u5438\u53ce\u3057\u3001\u4f4e\u6e1b\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u30dc\u30fc\u30c9\u306e\u9762\u7a4d\u3082\u5897\u3084\u3059\u300220H\u30eb\u30fc\u30eb\u306b\u5f93\u3046\u3002.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u7b2c2\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\uff08GND - SIG\/PWR - SIG\/PWR - GND\uff09\u306e\u5834\u5408<\/h4>\n\n\n\n<p>\u30c1\u30c3\u30d7\u5bc6\u5ea6\u304c\u4f4e\u304f\u3001\u30c1\u30c3\u30d7\u9762\u7a4d\u306b\u96fb\u6e90\u7528\u9285\u7b94\u306e\u30b9\u30da\u30fc\u30b9\u304c\u3042\u308b\u5834\u5408\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002\u3053\u306e\u8a2d\u8a08\u3067\u306f\u3001\u5916\u5074\u306e\u5c64\u306f\u30b0\u30e9\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3\u3067\u3042\u308a\u3001\u5185\u5074\u306e2\u3064\u306e\u5c64\u306f\u4fe1\u53f7\u307e\u305f\u306f\u96fb\u6e90\u3067\u3042\u308b\u3002\u5e45\u5e83\u306e\u30c8\u30ec\u30fc\u30b9\u3067\u4fe1\u53f7\u5c64\u306b\u30d1\u30ef\u30fc\u3092\u914d\u7dda\u3059\u308b\u3002\u5e45\u306e\u5e83\u3044\u30c8\u30ec\u30fc\u30b9\u306f\u3001\u96fb\u529b\u7d4c\u8def\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u4f4e\u304f\u3057\u3001\u30de\u30a4\u30af\u30ed\u30b9\u30c8\u30ea\u30c3\u30d7\u4fe1\u53f7\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u4f4e\u304f\u3059\u308b\u3002\u5916\u5074\u306e\u30b0\u30e9\u30f3\u30c9\u5c64\u306f\u3001\u5185\u5074\u306e\u4fe1\u53f7\u306e\u653e\u5c04\u3092\u906e\u853d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002EMI\u5236\u5fa1\u306e\u89b3\u70b9\u304b\u3089\u306f\u3001\u3053\u308c\u306f\u73fe\u5728\u5165\u624b\u53ef\u80fd\u306a\u6700\u826f\u306e4\u5c64PCB\u69cb\u9020\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p>\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5185\u5074\u306e2\u3064\u306e\u30df\u30c3\u30af\u30b9\u30c9\u30b7\u30b0\u30ca\u30eb\u30ec\u30a4\u30e4\u30fc\u3068\u30d1\u30ef\u30fc\u30ec\u30a4\u30e4\u30fc\u306e\u9593\u9694\u3092\u5927\u304d\u304f\u4fdd\u3064\u3002.<\/li>\n\n\n\n<li>\u30af\u30ed\u30b9\u30c8\u30fc\u30af\u3092\u907f\u3051\u308b\u305f\u3081\u3001\u3053\u308c\u3089\u306e\u5c64\u9593\u3067\u914d\u7dda\u65b9\u5411\u3092\u76f4\u4ea4\u3055\u305b\u308b\u3002.<\/li>\n\n\n\n<li>\u30dc\u30fc\u30c9\u30a8\u30ea\u30a2\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3057\u300120H\u30eb\u30fc\u30eb\u306b\u5f93\u3046\u3002.<\/li>\n\n\n\n<li>\u914d\u7dda\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u96fb\u6e90\u3068\u30b0\u30e9\u30f3\u30c9\u306e\u9285\u30a2\u30a4\u30e9\u30f3\u30c9\u306e\u4e0b\u306b\u6ce8\u610f\u6df1\u304f\u30c8\u30ec\u30fc\u30b9\u3092\u914d\u7f6e\u3059\u308b\u3002.<\/li>\n\n\n\n<li>\u307e\u305f\u3001\u96fb\u6e90\u5c64\u3084\u30b0\u30e9\u30f3\u30c9\u5c64\u306b\u306f\u3001\u3067\u304d\u308b\u3060\u3051\u9285\u30d1\u30a6 \u30f3\u30c9\u3092\u63a5\u7d9a\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u76f4\u6d41\u3068\u4f4e\u5468\u6ce2\u306e\u63a5\u7d9a\u304c\u3088\u304f\u306a\u308a\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2.3 6\u5c64\u30dc\u30fc\u30c9\u306e\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7<\/h3>\n\n\n\n<p>\u30c1\u30c3\u30d7\u5bc6\u5ea6\u304c\u9ad8\u304f\u3001\u30af\u30ed\u30c3\u30af\u901f\u5ea6\u304c\u901f\u3044\u8a2d\u8a08\u306e\u5834\u5408\u306f\u30016\u5c64\u57fa\u677f\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u3002\u63a8\u5968\u3055\u308c\u308b 6 \u5c64\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u306f\u4ee5\u4e0b\u306e 2 \u3064\u3067\u3042\u308b\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30aa\u30d7\u30b7\u30e7\u30f31\uff1aSIG - GND - SIG - PWR - GND - SIG<\/h4>\n\n\n\n<p>\u3053\u306e\u65b9\u5f0f\u3067\u306f\u3001\u826f\u597d\u306a\u30b7\u30b0\u30ca\u30eb\u30a4\u30f3\u30c6\u30b0\u30ea\u30c6\u30a3\u304c\u5f97\u3089\u308c\u308b\u3002\u5404\u30b7\u30b0\u30ca\u30eb\u30ec\u30a4\u30e4\u30fc\u306f\u30b0\u30e9\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3\u306e\u96a3\u306b\u3042\u308b\u3002\u96fb\u6e90\u30d7\u30ec\u30fc\u30f3\u3068\u30b0\u30e9\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3\u306f\u5bfe\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u5404\u914d\u7dda\u5c64\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u3046\u307e\u304f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u304d\u308b\u3002\u3069\u3061\u3089\u306e\u30b0\u30e9\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3\u3082\u78c1\u675f\u3092\u3088\u304f\u5438\u53ce\u3067\u304d\u308b\u3002\u30d1\u30ef\u30fc\u30fb\u30d7\u30ec\u30fc\u30f3\u3068\u30b0\u30e9\u30f3\u30c9\u30fb\u30d7\u30ec\u30fc\u30f3\u3092\u30d5\u30eb\u306b\u4f7f\u3048\u3070\u3001\u5404\u30b7\u30b0\u30ca\u30eb\u30fb\u30ec\u30a4\u30e4\u30fc\u306f\u826f\u597d\u306a\u30ea\u30bf\u30fc\u30f3\u30fb\u30d1\u30b9\u3092\u6301\u3064\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"449\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Six-Layer-Board-Stackups.webp\" alt=\"Six-Layer Board Stackups\" class=\"wp-image-4670\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Six-Layer-Board-Stackups.webp 800w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Six-Layer-Board-Stackups-300x168.webp 300w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Six-Layer-Board-Stackups-768x431.webp 768w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Six-Layer-Board-Stackups-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u30aa\u30d7\u30b7\u30e7\u30f32\uff1aGND-SIG-GND-PWR-SIG-GND<\/h4>\n\n\n\n<p>\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u5bc6\u5ea6\u304c\u305d\u308c\u307b\u3069\u9ad8\u304f\u306a\u3044\u57fa\u677f\u306b\u9069\u5408\u3059\u308b\u3002\u6700\u521d\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u5229\u70b9\u306f\u305d\u306e\u307e\u307e\u3067\u3042\u308b\u3002\u307e\u305f\u3001\u4e0a\u4e0b\u306e\u30b0\u30e9\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3\u306f\u3088\u308a\u9023\u7d9a\u7684\u3067\u3042\u308b\u3002\u3053\u308c\u3089\u306f\u826f\u3044\u30b7\u30fc\u30eb\u30c9\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3002.<\/p>\n\n\n\n<p>\u6ce8\uff1a\u96fb\u6e90\u30d7\u30ec\u30fc\u30f3\u306f\u3001\u4e3b\u90e8\u54c1\u9762\u3067\u306a\u3044\u5074\u306b\u914d\u7f6e\u3059\u308b\u3002\u305d\u3046\u3059\u308c\u3070\u3001\u30dc\u30c8\u30e0\u30d7\u30ec\u30fc\u30f3\u306f\u3088\u308a\u5b8c\u5168\u306a\u3082\u306e\u3068\u306a\u308a\u3001EMI\u6027\u80fd\u306f\u6700\u521d\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3088\u308a\u3082\u5411\u4e0a\u3059\u308b\u3002.<\/p>\n\n\n\n<p>6\u5c64\u57fa\u677f\u306e\u307e\u3068\u3081\uff1a<\/p>\n\n\n\n<p>\u96fb\u6e90\u30d7\u30ec\u30fc\u30f3\u3068\u30b0\u30e9\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3\u9593\u306e\u8ddd\u96e2\u3092\u3067\u304d\u308b\u3060\u3051\u5c0f\u3055\u304f\u4fdd\u3064\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u826f\u597d\u306a\u30d1\u30ef\u30fc-\u30b0\u30e9\u30f3\u30c9\u7d50\u5408\u304c\u5f97\u3089\u308c\u308b\u300262 mil \u306e\u57fa\u677f\u539a\u3067\u306f\u3001\u30ec\u30a4\u30e4\u30fc\u9593\u9694\u306f 4 \u30ec\u30a4\u30e4\u30fc\u30aa\u30d7\u30b7\u30e7\u30f3\u3088\u308a\u3082\u5c0f\u3055\u304f\u306a\u308b\u3002\u305d\u308c\u3067\u3082\u3001\u4e3b\u96fb\u6e90\u3068\u30b0\u30e9\u30f3\u30c9\u306e\u9593\u9694\u3092\u975e\u5e38\u306b\u5c0f\u3055\u304f\u3059\u308b\u306e\u306f\u5bb9\u6613\u3067\u306f\u306a\u3044\u30022\u756a\u76ee\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u6bd4\u3079\u3066\u30011\u756a\u76ee\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u30b3\u30b9\u30c8\u304c\u4f4e\u3044\u3002\u305d\u306e\u305f\u3081\u3001\u5b9f\u7528\u7684\u306a\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u306f\u6700\u521d\u306e\u5f62\u614b\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u8a2d\u8a08\u306b\u3042\u305f\u3063\u3066\u306f\u300120H\u30eb\u30fc\u30eb\u3068\u30df\u30e9\u30fc\u30ec\u30a4\u30e4\u30eb\u30fc\u30eb\u306b\u5f93\u3046\u3053\u3068\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.4 8\u5c64\u30dc\u30fc\u30c9\u306e\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7<\/h3>\n\n\n\n<p>8\u5c64\u57fa\u677f\u306b\u306f\u591a\u304f\u306e\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u8003\u3048\u3089\u308c\u308b\u3002\u5438\u53ce\u304c\u60aa\u304f\u3001\u96fb\u6e90\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u5927\u304d\u3044\u305f\u3081\u3001EMI\u306b\u60aa\u3044\u3082\u306e\u3082\u3042\u308b\u3002\u3053\u3053\u3067\u306f3\u3064\u306e\u5f62\u614b\u3092\u8aac\u660e\u3059\u308b\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">A\u30bf\u30a4\u30d7\uff08\u826f\u304f\u306a\u3044\uff09<\/h4>\n\n\n\n<p>\u3053\u306e\u5f62\u5f0f\u306f\u3001\u96fb\u78c1\u6ce2\u5438\u53ce\u7387\u304c\u4f4e\u304f\u3001\u96fb\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u5927\u304d\u3044\u3002\u305d\u306e\u5c64\u9806\u306f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fe1\u53f71\uff1a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5074\u3001\u30de\u30a4\u30af\u30ed\u30b9\u30c8\u30ea\u30c3\u30d7\u914d\u7dda\u5c64<\/li>\n\n\n\n<li>\u4fe1\u53f72\uff1a\u5185\u5074\u30de\u30a4\u30af\u30ed\u30b9\u30c8\u30ea\u30c3\u30d7\u914d\u7dda\u5c64\u3001\u826f\u597d\u306a\u914d\u7dda\u5c64\uff08X\u65b9\u5411\uff09<\/li>\n\n\n\n<li>\u30b0\u30e9\u30a6\u30f3\u30c9<\/li>\n\n\n\n<li>\u4fe1\u53f73\uff1a\u30b9\u30c8\u30ea\u30c3\u30d7\u30e9\u30a4\u30f3\u914d\u7dda\u5c64\u3001\u826f\u914d\u7dda\u5c64\uff08Y\u65b9\u5411\uff09<\/li>\n\n\n\n<li>\u4fe1\u53f74\uff1a\u30b9\u30c8\u30ea\u30c3\u30d7\u30e9\u30a4\u30f3\u914d\u7dda\u5c64<\/li>\n\n\n\n<li>\u30d1\u30ef\u30fc<\/li>\n\n\n\n<li>\u4fe1\u53f75\uff1a\u5185\u5074\u306e\u30de\u30a4\u30af\u30ed\u30b9\u30c8\u30ea\u30c3\u30d7\u914d\u7dda\u5c64<\/li>\n\n\n\n<li>\u4fe1\u53f76\uff1a\u30de\u30a4\u30af\u30ed\u30b9\u30c8\u30ea\u30c3\u30d7\u914d\u7dda\u5c64<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u5f62\u5f0f\u306f\u3001\u3059\u3079\u3066\u306e\u4fe1\u53f7\u30ec\u30a4\u30e4\u30fc\u306b\u5bfe\u3057\u3066\u4e00\u8cab\u3057\u305f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u304c\u5f97\u3089\u308c\u306a\u3044\u305f\u3081\u3001\u826f\u3044\u9078\u629e\u3068\u306f\u8a00\u3048\u306a\u3044\u3002\u96fb\u6e90\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u9ad8\u304f\u3001EMI\u5236\u5fa1\u304c\u5f31\u3044\u3002.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30bf\u30a4\u30d7B\uff08\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u5c64\u3092\u8ffd\u52a0\u3057\u305f\u30d0\u30ea\u30a2\u30f3\u30c8\uff09<\/h4>\n\n\n\n<p>\u3053\u308c\u306f\u7b2c3\u306e\u30bf\u30a4\u30d7\u306e\u5909\u5f62\u3067\u3042\u308b\u3002\u57fa\u6e96\u30ec\u30a4\u30e4\u30fc\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u512a\u308c\u305fEMI\u6027\u80fd\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u5404\u4fe1\u53f7\u5c64\u306e\u7279\u6027\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u3046\u307e\u304f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u53ef\u80fd\u306a\u9806\u5e8f\u306e\u3072\u3068\u3064\u306f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fe1\u53f71\uff1a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5074\u3001\u30de\u30a4\u30af\u30ed\u30b9\u30c8\u30ea\u30c3\u30d7\u914d\u7dda\u5c64\u3001\u826f\u597d\u306a\u914d\u7dda\u5c64<\/li>\n\n\n\n<li>\u30b0\u30e9\u30a6\u30f3\u30c9\uff1a\u6ce2\u306e\u5438\u53ce\u304c\u826f\u3044<\/li>\n\n\n\n<li>\u4fe1\u53f72\uff1a\u30b9\u30c8\u30ea\u30c3\u30d7\u30e9\u30a4\u30f3\u914d\u7dda\u5c64\u3001\u826f\u597d\u306a\u914d\u7dda\u5c64<\/li>\n\n\n\n<li>\u30d1\u30ef\u30fc\uff1a\u3053\u306e\u30d1\u30ef\u30fc\u30fb\u30d7\u30ec\u30fc\u30f3\u3068\u305d\u306e\u4e0b\u306e\u5730\u9762\u306f\u3001\u826f\u597d\u306a\u96fb\u78c1\u6ce2\u5438\u53ce\u3092\u5f62\u6210\u3057\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li>\u30b0\u30e9\u30a6\u30f3\u30c9\uff1a\u30b0\u30e9\u30a6\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3<\/li>\n\n\n\n<li>\u4fe1\u53f73\uff1a\u30b9\u30c8\u30ea\u30c3\u30d7\u30e9\u30a4\u30f3\u914d\u7dda\u5c64\u3001\u826f\u597d\u306a\u914d\u7dda\u5c64<\/li>\n\n\n\n<li>\u30d1\u30ef\u30fc\uff1a\u3053\u306e\u30d1\u30ef\u30fc\u30fb\u30d7\u30ec\u30fc\u30f3\u306f\u30d1\u30ef\u30fc\u30fb\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u5927\u304d\u3044\u3002<\/li>\n\n\n\n<li>\u4fe1\u53f74\uff1a\u30de\u30a4\u30af\u30ed\u30b9\u30c8\u30ea\u30c3\u30d7\u914d\u7dda\u5c64\u3001\u826f\u597d\u306a\u914d\u7dda\u5c64<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u30bf\u30a4\u30d7C\uff08\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff09<\/h4>\n\n\n\n<p>\u3053\u308c\u306f\u6700\u9ad8\u306e\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u5f62\u5f0f\u3067\u3042\u308b\u3002\u8907\u6570\u306e\u30b0\u30e9\u30a6\u30f3\u30c9\u57fa\u6e96\u30d7\u30ec\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u975e\u5e38\u306b\u512a\u308c\u305f\u96fb\u78c1\u6ce2\u5438\u53ce\u304c\u5f97\u3089\u308c\u308b\u3002\u4e00\u822c\u7684\u306a\u9806\u5e8f\u306f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fe1\u53f71\uff1a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5074\u3001\u30de\u30a4\u30af\u30ed\u30b9\u30c8\u30ea\u30c3\u30d7\u914d\u7dda\u5c64\u3001\u826f\u597d\u306a\u914d\u7dda\u5c64<\/li>\n\n\n\n<li>\u30b0\u30e9\u30a6\u30f3\u30c9\uff1a\u6ce2\u306e\u5438\u53ce\u304c\u826f\u3044<\/li>\n\n\n\n<li>\u4fe1\u53f72\uff1a\u30b9\u30c8\u30ea\u30c3\u30d7\u30e9\u30a4\u30f3\u914d\u7dda\u5c64\u3001\u826f\u597d\u306a\u914d\u7dda\u5c64<\/li>\n\n\n\n<li>\u30d1\u30ef\u30fc\uff1a\u3053\u306e\u30d1\u30ef\u30fc\u30fb\u30d7\u30ec\u30fc\u30f3\u3068\u305d\u306e\u4e0b\u306e\u5730\u9762\u306f\u3001\u512a\u308c\u305f\u96fb\u78c1\u6ce2\u5438\u53ce\u3092\u5f62\u6210\u3057\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li>\u30b0\u30e9\u30a6\u30f3\u30c9\uff1a\u30b0\u30e9\u30a6\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3<\/li>\n\n\n\n<li>\u4fe1\u53f73\uff1a\u30b9\u30c8\u30ea\u30c3\u30d7\u30e9\u30a4\u30f3\u914d\u7dda\u5c64\u3001\u826f\u597d\u306a\u914d\u7dda\u5c64<\/li>\n\n\n\n<li>\u30b0\u30e9\u30a6\u30f3\u30c9\uff1a\u7b2c2\u30b0\u30e9\u30a6\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3\u3001\u6ce2\u5438\u53ce\u306b\u512a\u308c\u308b<\/li>\n\n\n\n<li>\u4fe1\u53f74\uff1a\u30de\u30a4\u30af\u30ed\u30b9\u30c8\u30ea\u30c3\u30d7\u914d\u7dda\u5c64\u3001\u826f\u597d\u306a\u914d\u7dda\u5c64<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3.\u30ec\u30a4\u30e4\u30fc\u6570\u3068\u30b9\u30bf\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u9078\u3073\u65b9<\/h2>\n\n\n\n<p>\u591a\u304f\u306e\u8981\u56e0\u306b\u57fa\u3065\u3044\u3066\u5c64\u6570\u3068\u7a4d\u5c64\u5f62\u614b\u3092\u9078\u629e\u3059\u308b\u3002\u57fa\u677f\u4e0a\u306e\u4fe1\u53f7\u30cd\u30c3\u30c8\u6570\u3001\u90e8\u54c1\u5bc6\u5ea6\u3001\u30d4\u30f3\u5bc6\u5ea6\u3001\u4fe1\u53f7\u5468\u6ce2\u6570\u3001\u57fa\u677f\u30b5\u30a4\u30ba\u306a\u3069\u3067\u3059\u3002\u3053\u308c\u3089\u3059\u3079\u3066\u3092\u5408\u308f\u305b\u3066\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p>\u30c7\u30b6\u30a4\u30f3\u30ce\u30fc\u30c8<\/p>\n\n\n\n<ul 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