{"id":2020,"date":"2024-07-12T12:41:52","date_gmt":"2024-07-12T12:41:52","guid":{"rendered":"https:\/\/tryvary.com\/?p=2020"},"modified":"2024-07-12T12:41:52","modified_gmt":"2024-07-12T12:41:52","slug":"best-pcb-material-for-high-frequency-circuits","status":"publish","type":"post","link":"https:\/\/tryvary.com\/ja\/\u9ad8\u5468\u6ce2\u56de\u8def\u306b\u6700\u9069\u306a-pcb-\u6750\u6599\/","title":{"rendered":"\u9ad8\u901f\u56de\u8def\u306b\u6700\u9069\u306a\u6750\u6599\u306f\u4f55\u3067\u3059\u304b?"},"content":{"rendered":"<p>\u9ad8\u901f\u56de\u8def\u3092\u8a2d\u8a08\u3059\u308b\u5834\u5408\u3001\u4fe1\u53f7\u306e\u6574\u5408\u6027\u3092\u4fdd\u8a3c\u3057\u3001\u4fe1\u53f7\u640d\u5931\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u4e00\u8cab\u3057\u305f\u96fb\u6c17\u6027\u80fd\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u3001\u91cd\u8981\u306a\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002 <strong>\u71b1\u786c\u5316\u6027\u70ad\u5316\u6c34\u7d20\u30e9\u30df\u30cd\u30fc\u30c8<\/strong>\u3001 \u306e\u3088\u3046\u306a <strong>\u30ed\u30b8\u30e3\u30fc\u30b9 4350B<\/strong> \u305d\u3057\u3066 <strong>\u30e1\u30b0\u30c8\u30ed\u30f36<\/strong>\u3001\u4f4e\u3044\u8a98\u96fb\u7387\u3092\u63d0\u4f9b\u3057\u3001 <strong>\u5236\u5fa1\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9<\/strong>&#44; <strong>\u9ad8\u3044\u71b1\u4f1d\u5c0e\u7387<\/strong>\u3001\u512a\u308c\u305f\u5bf8\u6cd5\u5b89\u5b9a\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u7279\u6027\u306b\u3088\u308a\u3001\u9ad8\u901f\u56de\u8def\u306b\u6700\u9069\u3067\u3059\u3002\u30dd\u30ea\u30a4\u30df\u30c9\u3084 PTFE \u306a\u3069\u306e\u4ee3\u66ff\u6750\u6599\u3082\u3001\u7279\u5b9a\u306e\u8a2d\u8a08\u8981\u4ef6\u306b\u30e1\u30ea\u30c3\u30c8\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002\u6700\u9ad8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5fc5\u8981\u306a\u4e3b\u8981\u306a\u7279\u6027\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u8a2d\u8a08\u8005\u306f\u60c5\u5831\u306b\u57fa\u3065\u3044\u305f\u6750\u6599\u9078\u629e\u3092\u884c\u3044\u3001\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u52b9\u7387\u7684\u306a\u9ad8\u901f\u56de\u8def\u306e\u52d5\u4f5c\u3092\u78ba\u4fdd\u3057\u3001\u7279\u5b9a\u306e\u8a2d\u8a08\u30cb\u30fc\u30ba\u306b\u6700\u9069\u306a\u6750\u6599\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8<\/h2>\n<ul>\n<li>Rogers 4350B \u3084 Megtron 6 \u306a\u3069\u306e\u4f4e\u8a98\u96fb\u7387 (Dk) \u6750\u6599\u306f\u3001\u4fe1\u53f7\u640d\u5931\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u4e00\u8cab\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002<\/li>\n<li>\u71b1\u786c\u5316\u6027\u70ad\u5316\u6c34\u7d20\u30e9\u30df\u30cd\u30fc\u30c8\u306a\u3069\u306e\u71b1\u4f1d\u5c0e\u7387\u304c\u9ad8\u304f\u71b1\u62b5\u6297\u304c\u4f4e\u3044\u6750\u6599\u306f\u3001\u52b9\u7387\u7684\u306a\u71b1\u653e\u6563\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/li>\n<li>\u30dd\u30ea\u30a4\u30df\u30c9\u6750\u6599\u306f\u904e\u9177\u306a\u74b0\u5883\u306b\u9069\u3057\u3066\u304a\u308a\u3001PTFE (\u30c6\u30d5\u30ed\u30f3) \u306f\u8a98\u96fb\u7387\u304c\u4f4e\u3044\u305f\u3081\u9ad8\u5468\u6ce2 RF \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u904e\u71b1\u306b\u3088\u3063\u3066\u4fe1\u53f7\u306e\u6574\u5408\u6027\u304c\u640d\u306a\u308f\u308c\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u640d\u50b7\u3059\u308b\u306e\u3092\u9632\u3050\u306b\u306f\u3001\u52b9\u679c\u7684\u306a\u71b1\u7ba1\u7406\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/li>\n<li>\u6700\u9069\u306a\u9ad8\u901f\u56de\u8def\u6027\u80fd\u3092\u5f97\u308b\u306b\u306f\u3001\u6750\u6599\u306e\u9078\u629e\u306b\u304a\u3044\u3066\u3001\u4f4e\u8a98\u96fb\u7387\u3001\u5236\u5fa1\u3055\u308c\u305f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3001\u304a\u3088\u3073\u9ad8\u3044\u71b1\u4f1d\u5c0e\u7387\u3092\u512a\u5148\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u9ad8\u901f\u56de\u8def\u306e\u8981\u4ef6\u3092\u7406\u89e3\u3059\u308b<\/h2>\n<div class=\"embed-youtube\" style=\"position: relative; width: 100%; height: 0; padding-bottom: 56.25%; margin-bottom:20px;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" src=\"https:\/\/www.youtube.com\/embed\/6jrVZu7eqiw\" title=\"YouTube\u30d3\u30c7\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/div>\n<p>\u9ad8\u901f\u56de\u8def\u3067\u306f\u3001 <strong>\u4fe1\u53f7\u4f1d\u9001\u901f\u5ea6<\/strong> 100MHz\u3092\u8d85\u3048\u308b\u3068\u3001\u6b63\u78ba\u306a <strong>\u6750\u6599\u7279\u6027<\/strong> \u4fe1\u983c\u6027\u306e\u9ad8\u3044\u64cd\u4f5c\u3068\u6700\u5c0f\u9650\u306e <strong>\u4fe1\u53f7\u52a3\u5316<\/strong>\u9ad8\u901f\u56de\u8def\u57fa\u677f\u306e\u6750\u6599\u306e\u9078\u629e\u306f\u3001\u4fe1\u53f7\u306e\u6574\u5408\u6027\u3068\u5168\u4f53\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u76f4\u63a5\u5f71\u97ff\u3059\u308b\u305f\u3081\u3001\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u4f4e\u3044\u8a98\u96fb\u7387\uff08Dk\uff09\u306f\u3001\u9ad8\u5468\u6ce2\u3067\u306e\u4fe1\u53f7\u640d\u5931\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u7406\u60f3\u7684\u306a\u4fe1\u53f7\u4f1d\u9001\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u30bf\u30a4\u30c8 <strong>\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u5236\u5fa1<\/strong> \u4e00\u8cab\u3057\u305f\u96fb\u6c17\u7684\u6027\u80fd\u3092\u7dad\u6301\u3057\u3001\u4fe1\u53f7\u306e\u52a3\u5316\u3092\u9632\u3050\u305f\u3081\u306b\u5fc5\u8981\u3067\u3059\u3002\u52b9\u679c\u7684\u306a <strong>\u71b1\u7ba1\u7406<\/strong> \u3082\u91cd\u8981\u3067\u3059\u3002 <strong>\u9ad8\u901f\u56de\u8def<\/strong> \u304b\u306a\u308a\u306e\u71b1\u304c\u767a\u751f\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fe1\u983c\u6027\u3092\u640d\u306a\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u512a\u308c\u305f <strong>\u653e\u71b1\u7279\u6027<\/strong> \u71b1\u95a2\u9023\u306e\u554f\u984c\u3092\u9632\u3050\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u6750\u6599\u306f\u6a5f\u68b0\u7684\u5b89\u5b9a\u6027\u3001\u8010\u6e7f\u6027\u3001\u4f4e\u8a98\u96fb\u640d\u5931\u4fc2\u6570\u3092\u5099\u3048\u3001\u3055\u307e\u3056\u307e\u306a\u6761\u4ef6\u4e0b\u3067\u306e\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u52d5\u4f5c\u3092\u4fdd\u8a3c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <strong>\u74b0\u5883\u6761\u4ef6<\/strong>\u3053\u308c\u3089\u306e\u8981\u4ef6\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u8a2d\u8a08\u8005\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u9ad8\u901f\u56de\u8def\u306e\u53b3\u3057\u3044\u8981\u6c42\u3092\u6e80\u305f\u3059\u6750\u6599\u3092\u9078\u629e\u3057\u3001\u512a\u308c\u305f\u6027\u80fd\u3068\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u6700\u9069\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u7279\u6027<\/h2>\n<div class=\"body-image-wrapper\" style=\"margin-bottom:20px;\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/optimal_performance_best_practices.jpg\" alt=\"\u6700\u9069\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\" style=\"aspect-ratio: 16\/9;\"><\/div>\n<p>\u306e\u305f\u3081\u306b <strong>\u30d4\u30fc\u30af\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong> \u9ad8\u901f\u56de\u8def\u3067\u306f\u3001\u6750\u6599\u306f\u6b21\u306e\u3088\u3046\u306a\u7279\u5fb4\u7684\u306a\u7279\u6027\u3092\u5099\u3048\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <strong>\u4fe1\u53f7\u6574\u5408\u6027<\/strong>&#44; <strong>\u52b9\u7387\u7684\u306a\u71b1\u653e\u6563<\/strong>\u3001 \u305d\u3057\u3066 <strong>\u6a5f\u68b0\u7684\u5b89\u5b9a\u6027<\/strong>.<\/p>\n<p>\u9ad8\u901f PCB \u6750\u6599\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u3001\u4fe1\u53f7\u640d\u5931\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u4fe1\u53f7\u306e\u6574\u5408\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u3001\u4f4e\u3044\u8a98\u96fb\u7387 (Dk) \u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002 <strong>\u5236\u5fa1\u3055\u308c\u305f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9<\/strong> \u53b3\u5bc6\u306a\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u5236\u5fa1\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u9ad8\u901f\u8a2d\u8a08\u3067\u4e00\u8cab\u3057\u305f\u96fb\u6c17\u6027\u80fd\u304c\u5f97\u3089\u308c\u308b\u305f\u3081\u3001\u3053\u308c\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u71b1\u4f1d\u5c0e\u7387\u3082\u91cd\u8981\u306a\u8981\u7d20\u3067\u3042\u308a\u3001 <strong>\u71b1\u4f1d\u5c0e\u7387<\/strong> \u9ad8\u901f\u56de\u8def\u3067\u306e\u52b9\u7387\u7684\u306a\u653e\u71b1\u306b\u306f\u3053\u308c\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fe1\u983c\u6027\u3092\u640d\u306a\u3046\u53ef\u80fd\u6027\u306e\u3042\u308b\u904e\u71b1\u3092\u9632\u6b62\u3057\u307e\u3059\u3002<\/p>\n<p>\u512a\u308c\u305f <strong>\u5bf8\u6cd5\u5b89\u5b9a\u6027<\/strong> \u9ad8\u901f\u56de\u8def\u306e\u6a5f\u68b0\u7684\u5b8c\u5168\u6027\u3068\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u6e7f\u6c17\u3084\u85ac\u54c1\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u5099\u3048\u305f\u6750\u6599\u306f\u3001\u52a3\u5316\u3092\u9632\u304e\u3001\u9577\u671f\u9593\u306b\u308f\u305f\u3063\u3066\u4e00\u8cab\u3057\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u3001\u9ad8\u901f\u56de\u8def\u306e\u5b89\u5b9a\u3057\u305f\u52d5\u4f5c\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<h2>\u71b1\u786c\u5316\u6027\u70ad\u5316\u6c34\u7d20\u30e9\u30df\u30cd\u30fc\u30c8\u306e\u5229\u70b9<\/h2>\n<div class=\"body-image-wrapper\" style=\"margin-bottom:20px;\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/thermoset_hydrocarbon_laminate_advantages.jpg\" alt=\"\u71b1\u786c\u5316\u6027\u70ad\u5316\u6c34\u7d20\u30e9\u30df\u30cd\u30fc\u30c8\u306e\u5229\u70b9\" style=\"aspect-ratio: 16\/9;\"><\/div>\n<p>\u71b1\u786c\u5316\u6027\u70ad\u5316\u6c34\u7d20\u30e9\u30df\u30cd\u30fc\u30c8\u306f\u3001\u305d\u306e\u30e6\u30cb\u30fc\u30af\u306a\u5229\u70b9\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308a\u3001\u9ad8\u901f\u56de\u8def\u306b\u9069\u3057\u305f\u6750\u6599\u3068\u3057\u3066\u6ce8\u76ee\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30e9\u30df\u30cd\u30fc\u30c8\u306f\u5bf8\u6cd5\u5b89\u5b9a\u6027\u306b\u512a\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u56de\u8def\u8a2d\u8a08\u306e\u4e00\u8cab\u6027\u3068\u4fe1\u983c\u6027\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u512a\u308c\u305f\u71b1\u7ba1\u7406\u7279\u6027\u3092\u5099\u3048\u3066\u304a\u308a\u3001\u71b1\u3092\u52b9\u7387\u7684\u306b\u653e\u6563\u3057\u3001\u7406\u60f3\u7684\u306a\u52d5\u4f5c\u6e29\u5ea6\u3092\u7dad\u6301\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center\">\u8ca1\u7523<\/th>\n<th style=\"text-align: center\">\u5229\u70b9<\/th>\n<th style=\"text-align: center\">\u30a2\u30c9\u30d0\u30f3\u30c6\u30fc\u30b8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center\">\u5bf8\u6cd5\u5b89\u5b9a\u6027<\/td>\n<td style=\"text-align: center\">\u4e00\u8cab\u3057\u305f\u30c7\u30b6\u30a4\u30f3<\/td>\n<td style=\"text-align: center\">\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">\u71b1\u7ba1\u7406<\/td>\n<td style=\"text-align: center\">\u52b9\u7387\u7684\u306a\u653e\u71b1<\/td>\n<td style=\"text-align: center\">\u7406\u60f3\u7684\u306a\u52d5\u4f5c\u6e29\u5ea6<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">\u4f4e\u640d\u5931\u7279\u6027<\/td>\n<td style=\"text-align: center\">\u5f37\u5316\u3055\u308c\u305f\u4fe1\u53f7\u6027\u80fd<\/td>\n<td style=\"text-align: center\">\u9ad8\u901f\u304b\u3064\u6b63\u78ba\u306a\u30c7\u30fc\u30bf\u8ee2\u9001<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u71b1\u786c\u5316\u6027\u70ad\u5316\u6c34\u7d20\u30e9\u30df\u30cd\u30fc\u30c8\u306e\u4f4e\u640d\u5931\u7279\u6027\u306b\u3088\u308a\u3001\u9ad8\u901f\u56de\u8def\u306e\u4fe1\u53f7\u6027\u80fd\u304c\u5411\u4e0a\u3057\u3001\u9ad8\u901f\u304b\u3064\u6b63\u78ba\u306a\u30c7\u30fc\u30bf\u4f1d\u9001\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u3053\u308c\u3089\u306e\u30e9\u30df\u30cd\u30fc\u30c8\u306f\u53b3\u5bc6\u306a\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u5236\u5fa1\u304c\u53ef\u80fd\u3067\u3001\u4e00\u8cab\u3057\u305f\u96fb\u6c17\u6027\u80fd\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u8010\u6e7f\u6027\u304a\u3088\u3073\u8010\u85ac\u54c1\u6027\u3082\u9ad8\u901f\u56de\u8def\u306e\u5b89\u5b9a\u3057\u305f\u52d5\u4f5c\u306b\u5bc4\u4e0e\u3057\u3001\u8981\u6c42\u306e\u53b3\u3057\u3044\u7528\u9014\u306b\u6700\u9069\u306a\u6750\u6599\u3067\u3059\u3002<\/p>\n<h2>\u4ee3\u66ff\u6750\u6599\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6bd4\u8f03<\/h2>\n<div class=\"body-image-wrapper\" style=\"margin-bottom:20px;\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/comparing_alternative_building_materials.jpg\" alt=\"\u4ee3\u66ff\u5efa\u7bc9\u6750\u6599\u306e\u6bd4\u8f03\" style=\"aspect-ratio: 16\/9;\"><\/div>\n<p>\u305d\u306e\u9593 <strong>\u71b1\u786c\u5316\u6027\u70ad\u5316\u6c34\u7d20\u30e9\u30df\u30cd\u30fc\u30c8<\/strong> \u9ad8\u901f\u56de\u8def\u306b\u9069\u3057\u305f\u9b45\u529b\u7684\u306a\u7279\u6027\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u63d0\u4f9b\u3059\u308b\u4ee3\u66ff\u6750\u6599\u3068\u3057\u3066\u3001 <strong>\u30ed\u30b8\u30e3\u30fc\u30b9 4350B<\/strong> \u305d\u3057\u3066 <strong>\u30e1\u30b0\u30c8\u30ed\u30f36<\/strong> \u5b9f\u884c\u53ef\u80fd\u306a\u9078\u629e\u80a2\u3068\u3057\u3066\u6d6e\u4e0a\u3057\u3001\u81ea\u6162\u3057\u3066\u3044\u308b <strong>\u4f4e\u640d\u5931\u6b63\u63a5<\/strong> \u305d\u3057\u3066 <strong>\u8a98\u96fb\u7387<\/strong> \u8981\u6c42\u306e\u53b3\u3057\u3044 PCB \u8a2d\u8a08\u5411\u3051\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u4ee3\u66ff\u6750\u6599\u306f\u3001\u5f93\u6765\u306eFR-4\u306e\u9650\u754c\u306b\u5bfe\u51e6\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u512a\u308c\u305f\u96fb\u6c17\u7279\u6027\u3001\u5b89\u5b9a\u6027\u3001\u4fe1\u983c\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001Rogers 4350B\u306f\u3001\u8a98\u96fb\u7387\u304c\u7d043.48\u3067\u512a\u308c\u305f\u9ad8\u5468\u6ce2\u6027\u80fd\u3092\u63d0\u4f9b\u3057\u3001\u6b21\u306e\u3088\u3046\u306a\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002 <strong>\u9ad8\u901fPCB\u8a2d\u8a08<\/strong>.<\/p>\n<p>\u4e00\u65b9\u3001Megtron 6\u306f\u3001\u6539\u5584\u3055\u308c\u305f <strong>\u4fe1\u53f7\u6574\u5408\u6027<\/strong> \u8a98\u96fb\u7387\u304c\u7d04 3.66 \u3067\u3042\u308b\u305f\u3081\u3001\u4fe1\u53f7\u640d\u5931\u304c\u4f4e\u6e1b\u3055\u308c\u307e\u3059\u3002\u9069\u5207\u306a\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u8a2d\u8a08\u8005\u306f\u4fe1\u53f7\u640d\u5931\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u4fe1\u53f7\u306e\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3057\u3001\u9ad8\u901f\u56de\u8def\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Rogers 4350B \u3068 Megtron 6 \u306f\u3001\u8a98\u96fb\u6b63\u63a5\u3068\u8a98\u96fb\u7387\u304c\u4f4e\u3044\u305f\u3081\u3001\u4fe1\u53f7\u306e\u6574\u5408\u6027\u3068\u4fe1\u983c\u6027\u304c\u6700\u3082\u91cd\u8981\u3068\u306a\u308b\u9ad8\u901f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u3067\u3059\u3002<\/p>\n<h2>PCB\u88fd\u9020\u6750\u6599\u306e\u30aa\u30d7\u30b7\u30e7\u30f3<\/h2>\n<div class=\"body-image-wrapper\" style=\"margin-bottom:20px;\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/material_choices_for_pcbs.jpg\" alt=\"PCB\u306e\u6750\u6599\u306e\u9078\u629e\" style=\"aspect-ratio: 16\/9;\"><\/div>\n<p>\u4ee3\u66ff\u6750\u6599\u306e\u9818\u57df\u3092\u8d85\u3048\u3066\u3001PCB\u88fd\u9020\u6750\u6599\u306e\u9078\u629e\u306f\u3001\u305d\u308c\u305e\u308c\u304c\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u306b\u5bfe\u5fdc\u3059\u308b\u3088\u3046\u306b\u8abf\u6574\u3055\u308c\u305f\u591a\u69d8\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 <strong>\u9ad8\u901f\u56de\u8def\u8981\u4ef6<\/strong>\u9ad8\u901f PCB \u306e\u5834\u5408\u3001\u6750\u6599\u306e\u9078\u629e\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30a8\u30dd\u30ad\u30b7\u6a39\u8102 (FR-4) \u306f\u4e00\u822c\u7684\u306a\u9078\u629e\u80a2\u3067\u3059\u304c\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u53b3\u5bc6\u306b\u5236\u5fa1\u3059\u308b\u3053\u3068\u304c\u96e3\u3057\u3044\u3053\u3068\u3001\u9ad8\u5468\u6ce2\u3067\u306e\u4fe1\u53f7\u640d\u5931\u304c\u5927\u304d\u3044\u3053\u3068\u3001\u6a5f\u68b0\u7684\u5b89\u5b9a\u6027\u304c\u9650\u3089\u308c\u3066\u3044\u308b\u3053\u3068\u3001\u5438\u6e7f\u6027\u304c\u9ad8\u3044\u3053\u3068\u306a\u3069\u306e\u7406\u7531\u304b\u3089\u3001\u7406\u60f3\u7684\u3067\u306f\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 <strong>\u5f37\u5316\u30a8\u30dd\u30ad\u30b7\u6750\u6599<\/strong>\u4e00\u65b9\u3001\u9ad8\u901f\u8a2d\u8a08\u5411\u3051\u306b\u6539\u5584\u3055\u308c\u305f\u7279\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>\u30dd\u30ea\u30a4\u30df\u30c9\u6750\u6599\u306f\u904e\u9177\u306a\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u3001PTFE\uff08\u30c6\u30d5\u30ed\u30f3\uff09\u306f\u8a98\u96fb\u7387\u3068\u8a98\u96fb\u6b63\u63a5\u304c\u4f4e\u3044\u305f\u3081\u3001\u9ad8\u5468\u6ce2RF\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u6750\u6599\u306e\u9078\u629e\u306b\u306f\u3001\u4fe1\u53f7\u6027\u80fd\u3001\u8010\u4e45\u6027\u3001\u30b3\u30b9\u30c8\u3001 <strong>\u5236\u5fa1\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306b\u95a2\u3059\u308b\u61f8\u5ff5<\/strong>\u3001\u71b1\u306b\u95a2\u3059\u308b\u8003\u616e\u3001\u304a\u3088\u3073 <strong>\u3055\u307e\u3056\u307e\u306a\u74b0\u5883\u3078\u306e\u9732\u51fa<\/strong>.<\/p>\n<h2>\u9ad8\u901f\u8a2d\u8a08\u306e\u305f\u3081\u306e\u6750\u6599\u9078\u629e<\/h2>\n<div class=\"body-image-wrapper\" style=\"margin-bottom:20px;\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/high_speed_design_material_selection.jpg\" alt=\"\u9ad8\u901f\u8a2d\u8a08\u6750\u6599\u9078\u629e\" style=\"aspect-ratio: 16\/9;\"><\/div>\n<p>\u9ad8\u901f\u56de\u8def\u306e\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u969b\u306b\u306f\u3001\u6750\u6599\u306e\u56fa\u6709\u306e\u7279\u6027\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u6750\u6599\u306e\u6027\u80fd\u306b\u76f4\u63a5\u5f71\u97ff\u3059\u308b\u304b\u3089\u3067\u3059\u3002 <strong>\u4fe1\u53f7\u6574\u5408\u6027<\/strong> \u305d\u3057\u3066 <strong>\u71b1\u7ba1\u7406<\/strong>.<\/p>\n<p>\u6750\u6599\u306e\u8a98\u96fb\u7279\u6027\u3001\u52d5\u4f5c\u5468\u6ce2\u6570\u3067\u306e\u4fe1\u53f7\u640d\u5931\u3001\u74b0\u5883\u8981\u56e0\u306b\u5bfe\u3059\u308b\u8010\u6027\u306f\u3059\u3079\u3066\u3001\u4fe1\u53f7\u306e\u6574\u5408\u6027\u3092\u7dad\u6301\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<h3>\u6750\u6599\u7279\u6027\u304c\u91cd\u8981<\/h3>\n<p>\u6750\u6599\u306e\u614e\u91cd\u306a\u9078\u629e <strong>\u9ad8\u901f\u56de\u8def<\/strong> \u3053\u308c\u3089\u306e\u6750\u6599\u306e\u56fa\u6709\u306e\u7279\u6027\u306f\u3001 <strong>\u4fe1\u53f7\u6574\u5408\u6027<\/strong> \u304a\u3088\u3073\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3002\u6750\u6599\u7279\u6027\u3001\u4f8b\u3048\u3070 <strong>\u8a98\u96fb\u7387<\/strong> \u304a\u3088\u3073\u6563\u9038\u4fc2\u6570\u306f\u3001\u9ad8\u901f\u56de\u8def\u306b\u304a\u3051\u308b\u4fe1\u53f7\u306e\u5b8c\u5168\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<p>\u4f4e\u3044\u6750\u6599\u3092\u9078\u629e\u3059\u308b <strong>\u640d\u5931\u6b63\u63a5<\/strong> \u8a98\u96fb\u7387\u306f\u4fe1\u53f7\u640d\u5931\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u9ad8\u901f\u6027\u80fd\u3092\u7dad\u6301\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u9ad8\u901f\u56de\u8def\u6750\u6599\u306f\u3001 <strong>\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u5236\u5fa1<\/strong> \u512a\u308c\u305f <strong>\u71b1\u7ba1\u7406<\/strong> \u52b9\u7387\u7684\u306a\u4fe1\u53f7\u4f1d\u9001\u3068\u653e\u71b1\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<p>\u7406\u60f3\u7684\u306a\u6750\u6599\u306f\u3001\u5bf8\u6cd5\u5b89\u5b9a\u6027\u3001\u4f4e\u640d\u5931\u3001\u8010\u6e7f\u6027\u3001\u4e00\u8cab\u3057\u305f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u5099\u3048\u3001\u4fe1\u983c\u6027\u3068\u52b9\u7387\u6027\u306b\u512a\u308c\u305f\u52d5\u4f5c\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u9ad8\u901f\u56de\u8def\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7528\u306e\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u969b\u306b\u306f\u3001\u96fb\u6c17\u7684\u3001\u71b1\u7684\u3001\u5316\u5b66\u7684\u3001\u6a5f\u68b0\u7684\u306a\u7279\u6027\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h3>\u30b7\u30b0\u30ca\u30eb\u30a4\u30f3\u30c6\u30b0\u30ea\u30c6\u30a3\u3078\u306e\u5f71\u97ff<\/h3>\n<p>\u9ad8\u901f\u56de\u8def\u306e\u6750\u6599\u9078\u629e\u306f\u3001\u4fe1\u53f7\u306e\u5b8c\u5168\u6027\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u9078\u629e\u3057\u305f\u6750\u6599\u306e\u56fa\u6709\u306e\u7279\u6027\u304c\u4fe1\u53f7\u4f1d\u9001\u306e\u4fe1\u983c\u6027\u3068\u52b9\u7387\u306b\u5927\u304d\u304f\u5f71\u97ff\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002\u6750\u6599\u306e\u8a98\u96fb\u7387 (Dk) \u3068\u8a98\u96fb\u6b63\u63a5 (Df) \u306f\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u4e00\u8cab\u6027\u3092\u7dad\u6301\u3057\u3001\u4fe1\u53f7\u640d\u5931\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center\">\u6750\u6599<\/th>\n<th style=\"text-align: center\">\u8a98\u96fb\u7387\uff08Dk\uff09<\/th>\n<th style=\"text-align: center\">\u8a98\u96fb\u6b63\u63a5\uff08Df\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center\">FR4<\/td>\n<td style=\"text-align: center\">4.2-4.5<\/td>\n<td style=\"text-align: center\">0.02-0.03<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">\u30ed\u30b8\u30e3\u30fc\u30b9 4350B<\/td>\n<td style=\"text-align: center\">3.48<\/td>\n<td style=\"text-align: center\">0.0037<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">\u30e1\u30b0\u30c8\u30ed\u30f36<\/td>\n<td style=\"text-align: center\">3.8<\/td>\n<td style=\"text-align: center\">0.004<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">\u30bf\u30b3\u30cb\u30c3\u30af TLX-8<\/td>\n<td style=\"text-align: center\">3.9<\/td>\n<td style=\"text-align: center\">0.0035<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">\u30cd\u30eb\u30b3 N4000-13<\/td>\n<td style=\"text-align: center\">3.9<\/td>\n<td style=\"text-align: center\">0.0035<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Rogers 4350B \u3084 Megtron 6 \u306a\u3069\u306e\u9ad8\u7d1a\u7d20\u6750\u306f\u3001\u640d\u5931\u6b63\u63a5\u3068\u8a98\u96fb\u7387\u304c\u4f4e\u304f\u3001\u512a\u308c\u305f\u4fe1\u53f7\u4f1d\u9001\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u3001\u9ad8\u901f\u56de\u8def\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u9069\u5207\u306a\u7d20\u6750\u306e\u9078\u629e\u306f\u3001\u6d88\u8cbb\u96fb\u529b\u3001EMI\/EMC \u306e\u554f\u984c\u3092\u524a\u6e1b\u3057\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u9ad8\u901f\u4fe1\u53f7\u4f1d\u9001\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002\u7406\u60f3\u7684\u306a\u7279\u6027\u3092\u6301\u3064\u7d20\u6750\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u8a2d\u8a08\u8005\u306f\u9ad8\u901f\u56de\u8def\u3067\u306e\u4fe1\u53f7\u306e\u6574\u5408\u6027\u3068\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u4fe1\u53f7\u4f1d\u9001\u3092\u4fdd\u8a3c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u71b1\u7ba1\u7406\u306e\u30cb\u30fc\u30ba<\/h3>\n<p>\u52b9\u679c\u7684\u306a\u71b1\u7ba1\u7406\u306f\u3001 <strong>\u9ad8\u901f\u56de\u8def\u8a2d\u8a08<\/strong>\u904e\u5ea6\u306e\u71b1\u306e\u84c4\u7a4d\u306b\u3088\u308a\u3001 <strong>\u4fe1\u53f7\u6574\u5408\u6027<\/strong>\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u640d\u50b7\u3057\u3001 <strong>\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u4fe1\u983c\u6027<\/strong>\u9ad8\u901f\u56de\u8def\u3067\u306f\u3001 <strong>\u71b1\u7ba1\u7406\u306e\u30cb\u30fc\u30ba<\/strong> \u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u9577\u5bff\u547d\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<p>\u512a\u308c\u305f\u71b1\u7ba1\u7406\u7279\u6027\u3092\u6301\u3064\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u306f\u3001\u4fe1\u53f7\u52a3\u5316\u306b\u3064\u306a\u304c\u308b\u904e\u71b1\u3092\u9632\u3050\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002 <strong>\u90e8\u54c1\u306e\u640d\u50b7<\/strong>\u3001 \u305d\u3057\u3066 <strong>\u30b7\u30b9\u30c6\u30e0\u306e\u4e0d\u5b89\u5b9a\u6027<\/strong>. \u9ad8\u3044 <strong>\u71b1\u4f1d\u5c0e\u7387<\/strong>\u3001\u4f4e\u71b1\u62b5\u6297\u3001\u512a\u308c\u305f <strong>\u653e\u71b1\u80fd\u529b<\/strong> \u9ad8\u901f\u56de\u8def\u306b\u6700\u9069\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u6750\u6599\u306f <strong>\u52b9\u7387\u7684\u306a\u71b1\u653e\u6563<\/strong>\u3001\u4fe1\u53f7\u306e\u6574\u5408\u6027\u3092\u7dad\u6301\u3057\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u640d\u50b7\u3092\u9632\u304e\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u4fe1\u983c\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u512a\u308c\u305f\u71b1\u7ba1\u7406\u7279\u6027\u3092\u6301\u3064\u6750\u6599\u306e\u9078\u629e\u306f\u3001\u9ad8\u901f\u56de\u8def\u306e\u52b9\u7387\u3068\u5b89\u5b9a\u6027\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u512a\u308c\u305f\u71b1\u7ba1\u7406\u7279\u6027\u3092\u6301\u3064\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u8a2d\u8a08\u8005\u306f\u9ad8\u901f\u56de\u8def\u304c\u52b9\u7387\u7684\u304b\u3064\u78ba\u5b9f\u306b\u52d5\u4f5c\u3057\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u640d\u50b7\u3084\u30b7\u30b9\u30c6\u30e0\u969c\u5bb3\u306e\u30ea\u30b9\u30af\u304c\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u9ad8\u901f\u56de\u8def\u8a2d\u8a08\u306b\u304a\u3044\u3066\u6700\u9069\u306a\u30b7\u30b9\u30c6\u30e0\u5b89\u5b9a\u6027\u3068\u4fe1\u983c\u6027\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u52b9\u679c\u7684\u306a\u71b1\u7ba1\u7406\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<h2>\u9069\u5207\u306a\u6750\u6599\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b<\/h2>\n<div class=\"body-image-wrapper\" style=\"margin-bottom:20px;\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/optimizing_performance_with_materials.jpg\" alt=\"\u6750\u6599\u306b\u3088\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316\" style=\"aspect-ratio: 16\/9;\"><\/div>\n<p>\u9ad8\u901f\u56de\u8def\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u306b\u306f\u3001 <strong>\u6750\u6599\u7279\u6027<\/strong> \u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u7406\u60f3\u7684\u306a\u96fb\u6c17\u7684\u304a\u3088\u3073\u71b1\u7684\u7279\u6027\u3092\u6301\u3064\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u306f\u3001\u4fe1\u53f7\u640d\u5931\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001 <strong>\u4fe1\u53f7\u6574\u5408\u6027<\/strong>\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u52d5\u4f5c\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<h3>\u6750\u6599\u7279\u6027\u304c\u91cd\u8981<\/h3>\n<p>\u9ad8\u901f\u56de\u8def\u306e\u5206\u91ce\u3067\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u6750\u6599\u7279\u6027\u304c\u4fe1\u53f7\u6027\u80fd\u3092\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306b\u96c6\u7d04\u3055\u308c\u3001\u8a98\u96fb\u7387\u3068\u8a98\u96fb\u6b63\u63a5\u304c\u6700\u3082\u91cd\u8981\u306a\u8003\u616e\u4e8b\u9805\u3068\u3057\u3066\u6d6e\u4e0a\u3057\u3066\u3044\u307e\u3059\u3002\u91cd\u8981\u306a\u7279\u6027\u3092\u6301\u3064\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u306f\u3001\u9ad8\u901f\u8a2d\u8a08\u306e\u76ee\u6a19\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u9ad8\u901f\u56de\u8def\u306e\u6027\u80fd\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u6750\u6599\u7279\u6027\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u8a98\u96fb\u7387\uff08Dk\uff09\u3068\u8a98\u96fb\u6b63\u63a5\uff08Df\uff09<\/strong>: \u4fe1\u53f7\u640d\u5931\u3068\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u5236\u5fa1\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b<\/li>\n<li><strong>\u71b1\u7279\u6027<\/strong>: \u71b1\u653e\u6563\u3068\u6750\u6599\u306e\u5b89\u5b9a\u6027\u306b\u5f71\u97ff\u3059\u308b<\/li>\n<li><strong>\u8010\u6e7f\u6027\u304a\u3088\u3073\u8010\u85ac\u54c1\u6027<\/strong>: \u5b89\u5b9a\u3057\u305f\u52d5\u4f5c\u306e\u78ba\u4fdd\u3068\u6750\u6599\u306e\u52a3\u5316\u9632\u6b62<\/li>\n<li><strong>\u96fb\u6c17\u6027\u80fd<\/strong>: \u4fe1\u53f7\u306e\u6574\u5408\u6027\u3068\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u5236\u5fa1\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b<\/li>\n<\/ul>\n<h3>\u56de\u8def\u901f\u5ea6\u306e\u8981\u6c42<\/h3>\n<p>\u6700\u9069\u5316 <strong>\u9ad8\u901f\u56de\u8def\u6027\u80fd<\/strong> \u7de9\u548c\u3067\u304d\u308b\u6750\u6599\u306e\u9078\u629e\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u3066\u3044\u308b <strong>\u4fe1\u53f7\u52a3\u5316<\/strong>\u3088\u308a\u9ad8\u901f\u306a\u30c7\u30fc\u30bf\u8ee2\u9001\u901f\u5ea6\u306e\u8ffd\u6c42\u306b\u306f\u3001\u512a\u308c\u305f\u6750\u6599\u304c\u5fc5\u8981\u3067\u3059\u3002 <strong>\u8a98\u96fb\u7279\u6027<\/strong>\u9ad8\u901f\u56de\u8def\u3067\u306f\u3001\u8a98\u96fb\u7387\uff08Dk\uff09\u3068\u8a98\u96fb\u6b63\u63a5\uff08Df\uff09\u304c\u4f4e\u3044\u6750\u6599\u304c\u6c42\u3081\u3089\u308c\u3001 <strong>\u4fe1\u53f7\u640d\u5931<\/strong> \u7dad\u6301\u3059\u308b <strong>\u4fe1\u53f7\u6574\u5408\u6027<\/strong>.<\/p>\n<p>Rogers 4350B\u3084Megtron 6\u306a\u3069\u306eDk\u3068Df\u304c\u4f4e\u3044\u6750\u6599\u306f\u3001\u4fe1\u53f7\u640d\u5931\u3092\u6e1b\u3089\u3057\u3001\u4fe1\u53f7\u306e\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u80fd\u529b\u304c\u3042\u308b\u305f\u3081\u3001\u9ad8\u901f\u56de\u8def\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u30a8\u30c3\u30b8\u30ec\u30fc\u30c8<\/strong> \u3053\u308c\u3089\u306f\u4fe1\u53f7\u306e\u6574\u5408\u6027\u306b\u76f4\u63a5\u5f71\u97ff\u3059\u308b\u305f\u3081\u3001\u9ad8\u901f\u56de\u8def\u306e\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u969b\u306b\u306f\u91cd\u8981\u306a\u8003\u616e\u4e8b\u9805\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u9069\u5207\u306a\u6750\u6599\u306e\u9078\u629e\u306f\u3001 <strong>\u6d88\u8cbb\u96fb\u529b<\/strong> \u305d\u3057\u3066\u5bfe\u51e6\u3059\u308b <strong>EMI\/EMC\u306e\u8ab2\u984c<\/strong> \u9ad8\u901f\u56de\u8def\u3067\u306f\u3001\u512a\u308c\u305f\u8a98\u96fb\u7279\u6027\u3092\u6301\u3064\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u8a2d\u8a08\u8005\u306f\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u52b9\u7387\u7684\u306a\u9ad8\u901f\u56de\u8def\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u7d50\u5c40\u306e\u3068\u3053\u308d\u3001\u73fe\u4ee3\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8981\u6c42\u3092\u6e80\u305f\u3059\u9ad8\u901f\u56de\u8def\u6027\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u9069\u5207\u306a\u6750\u6599\u306e\u9078\u629e\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<h3>\u30b7\u30b0\u30ca\u30eb\u30a4\u30f3\u30c6\u30b0\u30ea\u30c6\u30a3\u30ad\u30fc<\/h3>\n<p>\u4fe1\u53f7\u306e\u5b8c\u5168\u6027\u3092\u91cd\u8996\u3059\u308b\u3053\u3068\u3067\u3001\u8a2d\u8a08\u8005\u306f\u9ad8\u901f\u56de\u8def\u306e\u6f5c\u5728\u80fd\u529b\u3092\u6700\u5927\u9650\u306b\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u8a98\u96fb\u4f53\u6750\u6599\u306e\u614e\u91cd\u306a\u9078\u629e\u304c\u4fe1\u53f7\u306e\u5fe0\u5b9f\u5ea6\u3092\u7dad\u6301\u3057\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u9ad8\u901f\u56de\u8def\u3067\u306f\u3001\u4fe1\u53f7\u6574\u5408\u6027\u306e\u6700\u9069\u5316\u304c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fe1\u983c\u6027\u306b\u76f4\u63a5\u5f71\u97ff\u3059\u308b\u305f\u3081\u3001\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u6700\u9ad8\u306e\u4fe1\u53f7\u6574\u5408\u6027\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u8a2d\u8a08\u8005\u306f\u6b21\u306e\u91cd\u8981\u306a\u8981\u7d20\u3092\u512a\u5148\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u8a98\u96fb\u4f53\u6750\u6599\u306e\u9078\u629e<\/strong>Rogers 4350B \u3084 Megtron 6 \u306a\u3069\u3001\u8a98\u96fb\u7387\u3068\u8a98\u96fb\u6b63\u63a5\u304c\u4f4e\u3044\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u4fe1\u53f7\u640d\u5931\u304c\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u4e00\u5b9a\u306b\u4fdd\u305f\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u4e00\u8cab\u6027<\/strong>: \u4f4e\u640d\u5931\u3068\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u4e00\u8cab\u6027\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u306f\u3001\u9ad8\u901f PCB \u8a2d\u8a08\u306b\u304a\u3051\u308b\u52b9\u7387\u7684\u306a\u4fe1\u53f7\u4f1d\u9001\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u3059\u3002<\/li>\n<li><strong>\u96fb\u78c1\u4e21\u7acb\u6027<\/strong>\u9069\u5207\u306a\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u96fb\u78c1\u4e21\u7acb\u6027\u304c\u5411\u4e0a\u3057\u3001\u96fb\u529b\u3068 EMI\/EMC \u306e\u554f\u984c\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u96fb\u529b\u306e\u6574\u5408\u6027<\/strong>: \u4fe1\u53f7\u306e\u6574\u5408\u6027\u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u96fb\u529b\u4f9b\u7d66\u304c\u4fdd\u8a3c\u3055\u308c\u3001\u96fb\u529b\u6574\u5408\u6027\u306e\u554f\u984c\u306e\u30ea\u30b9\u30af\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3>\u4f4e\u30b3\u30b9\u30c8\u306e FR4 \u6750\u6599\u3067\u9ad8\u901f\u56de\u8def\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u304b?<\/h3>\n<p>\u7d30\u5fc3\u306e\u6ce8\u610f\u3092\u6255\u3063\u305f\u88fd\u9020\u8981\u6c42\u306f\u3001\u5efa\u8a2d\u306e\u5b9f\u73fe\u53ef\u80fd\u6027\u306b\u3064\u3044\u3066\u5fae\u5999\u306a\u691c\u8a0e\u3092\u5fc5\u8981\u3068\u3059\u308b\u3002 <strong>\u9ad8\u901f\u56de\u8def<\/strong> \u4f4e\u30b3\u30b9\u30c8\u3067 <strong>FR4\u7d20\u6750<\/strong>.<\/p>\n<p>FR4 \u304c\u624b\u9803\u306a\u4fa1\u683c\u3067\u5e83\u304f\u5165\u624b\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u306f\u5426\u5b9a\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u8a98\u96fb\u640d\u5931\u3001\u4fe1\u53f7\u6e1b\u8870\u3001\u71b1\u4e0d\u5b89\u5b9a\u6027\u306b\u95a2\u3059\u308b\u5236\u9650\u306b\u3064\u3044\u3066\u306f\u614e\u91cd\u306b\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u9ad8\u901f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001FR4\u306e\u6b20\u70b9\u306b\u3088\u308a\u3001 <strong>\u4fe1\u53f7\u6574\u5408\u6027<\/strong>\u305d\u306e\u305f\u3081\u3001\u9ad8\u6027\u80fd\u56de\u8def\u306b\u306f\u7406\u60f3\u7684\u306a\u9078\u629e\u80a2\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3002<\/p>\n<h3>\u5f93\u6765\u306e\u56de\u8def\u6750\u6599\u306b\u4ee3\u308f\u308b\u74b0\u5883\u306b\u512a\u3057\u3044\u4ee3\u66ff\u54c1\u306f\u3042\u308a\u307e\u3059\u304b?<\/h3>\n<p>\u74b0\u5883\u306b\u512a\u3057\u3044\u4ee3\u66ff\u54c1\u3092\u691c\u8a0e\u3059\u308b\u5834\u5408 <strong>\u5f93\u6765\u306e\u56de\u8def\u6750\u6599<\/strong>\u30c7\u30b6\u30a4\u30ca\u30fc\u306f\u63a2\u7d22\u3067\u304d\u308b <strong>\u30d0\u30a4\u30aa\u30d7\u30e9\u30b9\u30c1\u30c3\u30af<\/strong>\u3001\u30ea\u30b5\u30a4\u30af\u30eb\u9285\u3001 <strong>\u690d\u7269\u7531\u6765\u306e\u57fa\u8cea<\/strong>\u3053\u308c\u3089\u306e\u9769\u65b0\u7684\u306a\u7d20\u6750\u306f\u3001\u6027\u80fd\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u74b0\u5883\u3078\u306e\u5f71\u97ff\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u30dd\u30ea\u4e73\u9178 (PLA) \u306a\u3069\u306e\u30d0\u30a4\u30aa\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u306f\u3001\u5f93\u6765\u306e\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u306b\u4ee3\u308f\u308b\u751f\u5206\u89e3\u6027\u3067\u518d\u751f\u53ef\u80fd\u306a\u4ee3\u66ff\u54c1\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u540c\u69d8\u306b\u3001\u7af9\u3084\u30b5\u30c8\u30a6\u30ad\u30d3\u304b\u3089\u5f97\u3089\u308c\u308b\u690d\u7269\u7531\u6765\u306e\u57fa\u6750\u306f\u3001\u5f93\u6765\u306e FR4 \u6750\u6599\u3092\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u70ad\u7d20\u6392\u51fa\u91cf\u3068\u6bd2\u6027\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002<\/p>\n<h3>\u9ad8\u901f\u56de\u8def\u306b\u306f\u7279\u5225\u306a\u306f\u3093\u3060\u4ed8\u3051\u6280\u8853\u304c\u5fc5\u8981\u3067\u3059\u304b?<\/h3>\n<p>\u5f93\u6765\u306e\u56de\u8def\u7d44\u307f\u7acb\u3066\u3068\u306f\u307e\u3063\u305f\u304f\u5bfe\u7167\u7684\u306b\u3001 <strong>\u9ad8\u901f\u56de\u8def<\/strong> \u306f\u3093\u3060\u4ed8\u3051\u6280\u8853\u306b\u7d30\u5fc3\u306e\u6ce8\u610f\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <strong>\u4fe1\u53f7\u6574\u5408\u6027<\/strong>.<\/p>\n<p>\u5f93\u6765\u306e\u65b9\u6cd5\u3068\u306f\u7570\u306a\u308a\u3001\u9ad8\u901f\u56de\u8def\u3067\u306f\u3001\u4fe1\u53f7\u306e\u52a3\u5316\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u306f\u3093\u3060\u306e\u7c98\u5ea6\u3001\u6e29\u5ea6\u3001\u30d5\u30e9\u30c3\u30af\u30b9\u306e\u7d44\u6210\u3092\u6b63\u78ba\u306b\u5236\u5fa1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u9ad8\u5ea6\u306a\u6280\u8853\u3001\u4f8b\u3048\u3070 <strong>\u30ea\u30d5\u30ed\u30fc\u306f\u3093\u3060\u4ed8\u3051<\/strong> \u4fe1\u53f7\u640d\u5931\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u9ad8\u5468\u6ce2\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u512a\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u306b\u306f\u3001\u7cbe\u5bc6\u30c7\u30a3\u30b9\u30da\u30f3\u30b7\u30f3\u30b0\u306a\u3069\u306e\u6280\u8853\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<h3>\u30a2\u30ca\u30ed\u30b0\u56de\u8def\u3068\u30c7\u30b8\u30bf\u30eb\u56de\u8def\u306e\u4e21\u65b9\u306b\u5358\u4e00\u306e\u6750\u6599\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b?<\/h3>\n<p>\u9ad8\u901f\u56de\u8def\u3092\u8a2d\u8a08\u3059\u308b\u5834\u5408\u3001\u30a2\u30ca\u30ed\u30b0\u90e8\u54c1\u3068\u30c7\u30b8\u30bf\u30eb\u90e8\u54c1\u306e\u4e21\u65b9\u306e\u6750\u6599\u9078\u629e\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u4e21\u65b9\u306e\u56de\u8def\u306b\u540c\u3058\u6750\u6599\u3092\u4f7f\u3046\u306e\u306f\u9b45\u529b\u7684\u306b\u601d\u3048\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u304c\u3001\u512a\u5148\u9806\u4f4d\u3092\u3064\u3051\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3042\u308b\u3002 <strong>\u4fe1\u53f7\u6574\u5408\u6027<\/strong> \u305d\u3057\u3066 <strong>\u30ce\u30a4\u30ba\u6e1b\u5c11<\/strong>.<\/p>\n<p>\u73fe\u5b9f\u306b\u306f\u3001\u30a2\u30ca\u30ed\u30b0\u56de\u8def\u3067\u306f <strong>\u4f4e\u640d\u5931<\/strong>\u3001\u9ad8\u5468\u6ce2\u6750\u6599\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30c7\u30b8\u30bf\u30eb\u56de\u8def\u3067\u306f\u9ad8\u901f\u3001\u4f4e\u9045\u5ef6\u306e\u6750\u6599\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6750\u6599\u304c\u52a3\u5316\u3059\u308b\u3068\u3001\u3069\u3061\u3089\u306e\u56de\u8def\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u6700\u9069\u5316\u3055\u308c\u305a\u3001\u30b7\u30b9\u30c6\u30e0 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u6a19\u6e96\u4ee5\u4e0b\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u6750\u6599\u306e\u9078\u629e\u306f\u96fb\u78c1\u5e72\u6e09\u30b7\u30fc\u30eb\u30c9\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u304b?<\/h3>\n<p>\u96fb\u78c1\u5e72\u6e09 (EMI) \u306b\u3088\u3063\u3066\u56de\u8def\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u6700\u5927 30% \u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u3054\u5b58\u77e5\u3067\u3059\u304b?<\/p>\n<p>\u6750\u6599\u306e\u9078\u629e\u306b\u95a2\u3057\u3066\u306f <strong>\u9ad8\u901f\u56de\u8def<\/strong>&#44; <strong>EMI\u30b7\u30fc\u30eb\u30c9<\/strong> \u306f\u91cd\u8981\u306a\u8003\u616e\u4e8b\u9805\u3067\u3059\u3002\u7406\u60f3\u7684\u306a\u6750\u6599\u306f\u3001\u9ad8\u3044\u5c0e\u96fb\u6027\u3001\u900f\u6c34\u6027\u3001 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