{"id":4732,"date":"2026-02-27T06:10:50","date_gmt":"2026-02-27T06:10:50","guid":{"rendered":"https:\/\/flj-pcb.com\/?p=4732"},"modified":"2026-02-27T06:10:54","modified_gmt":"2026-02-27T06:10:54","slug":"how-to-select-pcb-copper-thickness","status":"publish","type":"post","link":"https:\/\/flj-pcb.com\/ko\/how-to-select-pcb-copper-thickness\/","title":{"rendered":"PCB \uad6c\ub9ac \ub450\uaed8 \uc120\ud0dd \ubc29\ubc95"},"content":{"rendered":"<h2 class=\"wp-block-heading\">1. \ub3d9\ubc15\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<p>\ub3d9\ubc15\uc740 \uc587\uace0 \uc5f0\uc18d\uc801\uc778 \uae08\uc18d \uc2dc\ud2b8\uc785\ub2c8\ub2e4. \uc804\uae30 \uc99d\ucc29\ub41c \ub124\uac70\ud2f0\ube0c \ud0c0\uc785\uc758 \uc18c\uc7ac\uc785\ub2c8\ub2e4. \ud638\uc77c\uc740 PCB \ubc14\ub2e5\uc5d0 \ub3c4\uae08\ub429\ub2c8\ub2e4. \ubcf4\ub4dc\uc5d0\uc11c \ub3c4\uccb4 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc808\uc5f0 \uce35\uc5d0 \uc798 \uc811\ucc29\ub429\ub2c8\ub2e4. \uc194\ub354 \ub9c8\uc2a4\ud06c \ubc0f \uae30\ud0c0 \ubcf4\ud638 \uce35\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc5d0\uce6d \ud6c4 \ub0a8\uc740 \uad6c\ub9ac\uac00 \ud68c\ub85c \ud328\ud134\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. \ucd08\uae30 \uc0dd\uc0b0\uc5d0\uc11c\ub294 \uc555\uc5f0 \uad6c\ub9ac \ud638\uc77c\uc744 \uc0ac\uc6a9\ud588\uc2b5\ub2c8\ub2e4. \uc989, \uad6c\ub9ac \ube14\ub85d\uc744 \uc587\uc740 \uc2dc\ud2b8\ub85c \ud3c9\ud3c9\ud558\uac8c \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uadf8\ub807\ub2e4\uba74 PCB\uc758 \uad6c\ub9ac \ud638\uc77c \ub450\uaed8\ub294 \uc5bc\ub9c8\ub098 \ub420\uae4c\uc694?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \uad6c\ub9ac \ub450\uaed8 \ub2e8\uc704: \uc628\uc2a4<\/h2>\n\n\n\n<p>PCB \uad6c\ub9ac \ub450\uaed8\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc628\uc2a4(\uc628\uc2a4) \ub2e8\uc704\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uc628\uc2a4\ub294 \ubb34\uac8c \ub2e8\uc704\uc785\ub2c8\ub2e4. \uc628\uc2a4\uc640 \uadf8\ub7a8\uc758 \uad00\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<br>1\uc628\uc2a4 \u2248 28.35g.<\/p>\n\n\n\n<p>PCB \uc0b0\uc5c5\uc5d0\uc11c 1\uc628\uc2a4\ub294 1\ud3c9\ubc29\ud53c\ud2b8(ft\u00b2)\uc5d0 \uace0\ub974\uac8c \ud37c\uc838 \uc788\ub294 1\uc628\uc2a4\uc758 \uad6c\ub9ac \ubb34\uac8c\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774 \uade0\uc77c\ud55c \uce35\uc740 \uc77c\uc815\ud55c \ub450\uaed8\ub97c \uac16\uc2b5\ub2c8\ub2e4. \uadf8 \ub450\uaed8\ub294 \uc57d 35\u03bcm\uc785\ub2c8\ub2e4. \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4:<br>1\uc628\uc2a4 = 28.35g\/ft\u00b2.<\/p>\n\n\n\n<p>\uc544\ub798\uc5d0\uc11c \uacc4\uc0b0 \uacfc\uc815\uc744 \ub2e8\uacc4\ubcc4\ub85c \ubcf4\uc5ec\ub4dc\ub9ac\ubbc0\ub85c \uacb0\uacfc\ub97c \uba85\ud655\ud788 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1\uc628\uc2a4 \uc9c8\ub7c9: 28.35g.<\/li>\n\n\n\n<li>\uad6c\ub9ac \ubc00\ub3c4: 8.93g\/cm\u00b3.<\/li>\n\n\n\n<li>1ft\u00b2 = 929.03cm\u00b2.<\/li>\n<\/ul>\n\n\n\n<p>\ub450\uaed8(cm) = \uc9c8\ub7c9\/(\ubc00\ub3c4 \u00d7 \uba74\uc801)<br>= 28.35 \/ (8.93 \u00d7 929.03) cm<br>= 28.35 \/ 82973.558 \u2248 0.00341721 cm.<\/p>\n\n\n\n<p>\ub9c8\uc774\ud06c\ub85c\ubbf8\ud130(\u03bcm)\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4: 0.00341721 cm = 0.00341721 \u00d7 10,000 \u03bcm = 34.17 \u03bcm.<\/p>\n\n\n\n<p>\ub530\ub77c\uc11c 1\uc628\uc2a4 \uad6c\ub9ac \ud638\uc77c \u2248 <strong>34.17 \u03bcm<\/strong>. \uc774 \uac12\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ubc18\uc62c\ub9bc\ud558\uc5ec \ub2e4\uc74c\uacfc \uac19\uc774 \uc778\uc6a9\ud569\ub2c8\ub2e4. <strong>35 \u03bcm<\/strong>. \uc601\uad6d\uc2dd \ub2e8\uc704\ub85c 34.17\u03bcm = 0.03417mm\uc785\ub2c8\ub2e4. 1\ubc00\ub9ac\ubbf8\ud130 = 0.0254\ubc00\ub9ac\ubbf8\ud130\uc774\ubbc0\ub85c \ub450\uaed8\ub294 \u2248 1.345\ubc00\ub9ac\ubbf8\ud130\uc785\ub2c8\ub2e4. \uc0ac\ub78c\ub4e4\uc740 \uc885\uc885 \ub2e4\uc74c\uacfc \uac19\uc774 \ub9d0\ud569\ub2c8\ub2e4. <strong>1\uc628\uc2a4 \u2248 35\u03bcm \u2248 1.35\ubc00\ub9ac\ubbf8\ud130<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. \uc77c\ubc18\uc801\uc778 \uad6c\ub9ac \ub450\uaed8 \uac12<\/h2>\n\n\n\n<p>PCB\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc77c\ubc18\uc801\uc778 \uad6c\ub9ac \ub450\uaed8 \uac12\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>0.5\uc628\uc2a4 \u2248 17.5\u03bcm<\/li>\n\n\n\n<li>1\uc628\uc2a4 \u2248 35\u03bcm<\/li>\n\n\n\n<li>2\uc628\uc2a4 \u2248 70\u03bcm<\/li>\n\n\n\n<li>3\uc628\uc2a4 \u2248 105\u03bcm<\/li>\n<\/ul>\n\n\n\n<p>\uc77c\ubc18\uc801\uc778 \ub2e8\uc77c \ubc0f <a href=\"https:\/\/flj-pcb.com\/ko\/pcb-manufacturer\/multilayer-pcb\/\" data-type=\"link\" data-id=\"https:\/\/flj-pcb.com\/pcb-manufacturer\/multilayer-pcb\/\">\uc591\uba74 PCB<\/a> \uc57d \uc0ac\uc6a9 <strong>35\u03bcm(1\uc628\uc2a4)<\/strong> \uad6c\ub9ac. \uc77c\ubd80 \ubcf4\ub4dc\ub294 <strong>50 \u03bcm<\/strong> \ub610\ub294 <strong>70 \u03bcm<\/strong> \uad6c\ub9ac\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\uc785\ub2c8\ub2e4. \ub2e4\uce35 \ubcf4\ub4dc\uc758 \uacbd\uc6b0 \uc678\ubd80 \ub808\uc774\uc5b4\ub294 \uc885\uc885 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <strong>35\u03bcm(1\uc628\uc2a4)<\/strong>. \ub0b4\ubd80 \ub808\uc774\uc5b4\ub294 \uc885\uc885 <strong>17.5\u03bcm(0.5\uc628\uc2a4)<\/strong>.<\/p>\n\n\n\n<p>\ub450\uaebc\uc6b4 \uad6c\ub9ac \ubcf4\ub4dc\ub294 \uc57d <strong>3 \uc628\uc2a4<\/strong> \uc774\uc0c1\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubcf4\ub4dc\ub294 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\uc640 \uac19\uc740 \uace0\uc804\ub958 \ub610\ub294 \uace0\uc804\uc555 \uc81c\ud488\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. \ub2e4\uc591\ud55c \uad6c\ub9ac \ub450\uaed8\uc5d0 \ub530\ub978 \uc804\ub958 \uc804\ub2ec \uc6a9\ub7c9<\/h2>\n\n\n\n<p>\uc544\ub798\ub294 \ub2e4\uc591\ud55c \ub450\uaed8\uc640 \ub108\ube44\uc758 \uad6c\ub9ac \uc2a4\ud2b8\ub9bd\uc5d0 \ub300\ud55c \uc77c\ubc18\uc801\uc778 \uc804\ub958 \uc6a9\ub7c9\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uc2e4\uc6a9\uc801\uc778 \ud45c\uc785\ub2c8\ub2e4. \uc774 \ud45c\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uad6c\ub9ac \ub450\uaed8\uc5d0 \ub300\ud55c \uc804\ub958(A) \ubc0f \ud544\uc694\ud55c \ud3ed(mm)\uc774 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4. <strong>70 \u03bcm<\/strong>, <strong>50 \u03bcm<\/strong>, \ubc0f <strong>35 \u03bcm<\/strong>. \ud45c\uc758 \ud14c\uc2a4\ud2b8 \ub450\uaed8 \ub9e4\uac1c\ubcc0\uc218\ub294 t = 10\uc785\ub2c8\ub2e4(\uc18c\uc2a4 \ud14c\uc774\ube14\uc5d0 \uc0ac\uc6a9\ub41c \uc0d8\ud50c \ucc38\uc870 \uac12\uc785\ub2c8\ub2e4).<\/p>\n\n\n\n<p><strong>\ucc38\uace0:<\/strong> \uad6c\ub9ac \ud638\uc77c\uc744 \uace0\uc804\ub958\uc6a9 \ub3c4\uccb4\ub85c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc774 \ud14c\uc774\ube14 \uac12\uc744 \ub0ae\ucd94\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4. <strong>50%<\/strong> \ub97c \uc120\ud0dd\ud558\uba74 \uc548\uc804\ud569\ub2c8\ub2e4. \uc989, \uc548\uc804 \ub9c8\uc9c4\uc744 \uc6d0\ud55c\ub2e4\uba74 \ub098\uc5f4\ub41c \uc804\ub958\uc758 \uc808\ubc18 \uc815\ub3c4\uc5d0 \ud574\ub2f9\ud558\ub294 \ub108\ube44\ub97c \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>70\u03bcm\uc758 \uacbd\uc6b0 \uc804\ub958(A)\/\ud3ed(mm)<\/th><th>50\u03bcm\uc758 \uacbd\uc6b0 \uc804\ub958(A)\/\ud3ed(mm)<\/th><th>35\u03bcm\uc758 \uacbd\uc6b0 \uc804\ub958(A)\/\ud3ed(mm)<\/th><\/tr><\/thead><tbody><tr><td>6.00 A - 2.50 mm<\/td><td>5.10A - 2.50mm<\/td><td>4.50A - 2.50mm<\/td><\/tr><tr><td>5.10 A - 2.00 mm<\/td><td>4.30 A - 2.00 mm<\/td><td>4.00 A - 2.00 mm<\/td><\/tr><tr><td>4.20A - 1.50mm<\/td><td>3.50A - 1.50mm<\/td><td>3.20A - 1.50mm<\/td><\/tr><tr><td>3.60A - 1.20mm<\/td><td>3.00 A - 1.20 mm<\/td><td>2.70A - 1.20mm<\/td><\/tr><tr><td>3.20 A - 1.00 mm<\/td><td>2.60 A - 1.00 mm<\/td><td>2.30A - 1.00mm<\/td><\/tr><tr><td>2.80A - 0.80mm<\/td><td>2.40A - 0.80mm<\/td><td>2.00 A - 0.80 mm<\/td><\/tr><tr><td>2.30A - 0.60mm<\/td><td>1.90A - 0.60mm<\/td><td>1.60A - 0.60mm<\/td><\/tr><tr><td>2.00 A - 0.50 mm<\/td><td>1.70A - 0.50mm<\/td><td>1.35A - 0.50mm<\/td><\/tr><tr><td>1.70A - 0.40mm<\/td><td>1.35A - 0.40mm<\/td><td>1.10A - 0.40mm<\/td><\/tr><tr><td>1.30A - 0.30mm<\/td><td>1.10A - 0.30mm<\/td><td>0.80A - 0.30mm<\/td><\/tr><tr><td>0.90A - 0.20mm<\/td><td>0.70A - 0.20mm<\/td><td>0.55A - 0.20mm<\/td><\/tr><tr><td>0.70A - 0.15mm<\/td><td>0.50A - 0.15mm<\/td><td>0.20A - 0.15mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ub2e4\uc2dc \ub9d0\ud558\uc9c0\ub9cc, \uc548\uc804 \ub9c8\uc9c4\uc744 \uc120\ud0dd\ud558\uc138\uc694. \uc77c\ubc18\uc801\uc778 \uaddc\uce59\uc740 \ud504\ub85c\ub355\uc158\uc6a9\uc73c\ub85c \uc124\uacc4\ud560 \ub54c \uc774\ub7ec\ud55c \ud14c\uc774\ube14 \uac12\uc744 50%\ub9cc\ud07c \uc904\uc774\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. \ub3c4\uccb4\ub85c\uc11c\uc758 \uad6c\ub9ac\uc5d0 \ub300\ud55c \uae30\ud0c0 \uc2e4\uc6a9\uc801\uc778 \ucc38\uace0 \uc0ac\ud56d<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uae34 \uc2a4\ud2b8\ub9bd \ub3c4\uccb4\ub85c \uad6c\ub9ac \ud638\uc77c\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0 \uc804\ub958 \uc6a9\ub7c9\uc744 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc77c\ubc18\uc801\uc778 \ub450\uaed8\ub97c <strong>0.03mm(30\u03bcm)<\/strong>. \uad6c\ub9ac \uc2a4\ud2b8\ub9bd\uc758 \ub108\ube44\uac00 W(mm), \uae38\uc774\uac00 L(mm)\uc778 \uacbd\uc6b0 DC \uc800\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uadfc\uc0ac\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4: R \u2248 0.0005 \u00d7 L\/W(\uc634) \uc774 \uacf5\uc2dd\uc740 \uc124\uacc4 \uc810\uac80\uc744 \uc704\ud55c \ube60\ub978 \ucd94\uc815\uce58\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uad6c\ub9ac \uc804\ub958 \uc6a9\ub7c9\uc740 \ubcf4\ub4dc\uc758 \ubd80\ud488, \ubd80\ud488\uc758 \uc218\uc640 \uc720\ud615, \ub0c9\uac01\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc2e4\uc81c \uc804\ub958 \uc6a9\ub7c9\uc740 \uad6c\ub9ac \uae30\ud558\ud559\uc801 \uad6c\uc870\uc640 \uc5f4 \uc870\uac74\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc2e4\uc81c \uacbd\ud5d8 \ubc95\uce59\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4: \uc804\ub958 \uc6a9\ub7c9 \u2248 0.15 \u00d7 W(A). \uc774\ub294 \uc77c\ubd80 \uacbd\uc6b0\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uacbd\ud5d8\uc801 \ucd94\uc815\uce58\uc785\ub2c8\ub2e4. \ub9ce\uc740 \ubcf4\ub4dc\uc5d0 \ub300\ud574 \uac04\ub2e8\ud558\uace0 \ubcf4\uc218\uc801\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">6. \uc608: \uba74\uc801 \ubc0f \uc804\ub958 \ubc00\ub3c4<\/h2>\n\n\n\n<p>\uc77c\ubc18\uc801\uc778 \uacbd\uc6b0: \uad6c\ub9ac \ub450\uaed8 <strong>35 \u03bcm<\/strong> \ubc0f \ud2b8\ub808\uc774\uc2a4 \ub108\ube44 <strong>1mm<\/strong>. \ub2e8\uba74\uc801\uc740<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uba74\uc801 = \ub450\uaed8 \u00d7 \ub108\ube44 = 0.035\u339c \u00d7 1\u339c = 0.035\u339c\u00b2.<\/li>\n<\/ul>\n\n\n\n<p>\uc804\ub958 \ubc00\ub3c4 \uaddc\uce59\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0 <strong>30 A\/mm\u00b2<\/strong>, \ub97c \uc0ac\uc6a9\ud558\uba74 1mm \ud3ed\ub2f9 \uc804\ub958 \u2248 30 \u00d7 0.035 = 1.05A\uc774\ubbc0\ub85c \uc774 \uacbd\ud5d8 \ubc95\uce59\uc5d0 \ub530\ub77c \ub300\ub7b5 1mm \ud2b8\ub808\uc774\uc2a4 \ud3ed\ub2f9 1A\uac00 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. \ubcf4\ub2e4 \uc815\ud655\ud55c \uc804\ub958 \ubc0f \uc628\ub3c4 \uc0c1\uc2b9\uc744 \uc704\ud55c IPC \uacf5\uc2dd<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.electronics.org\/TOC\/IPC-2152.pdf\" target=\"_blank\" rel=\"noopener\">IPC-2152<\/a> \uadf8\ub9ac\uace0 <a href=\"https:\/\/standards.globalspec.com\/std\/155369\/ipc-d-275\" data-type=\"link\" data-id=\"https:\/\/standards.globalspec.com\/std\/155369\/ipc-d-275\" target=\"_blank\" rel=\"noopener\">IPC-D-275<\/a> \ubcf4\ub2e4 \uc815\ud655\ud55c \ubaa8\ub378\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud14d\uc2a4\ud2b8\uc5d0\ub294 \uc77c\ubc18\uc801\uc778 \ud615\uc2dd\uc758 IPC-D-275 \uacf5\uc2dd\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub0b4\ubd80 \ud2b8\ub808\uc774\uc2a4\uc758 \uacbd\uc6b0: I = 0.0150 \u00d7 (\u0394T^0.5453) \u00d7 (A^0.7349)<\/li>\n\n\n\n<li>\uc678\ubd80 \ud2b8\ub808\uc774\uc2a4\uc758 \uacbd\uc6b0: I = 0.0647 \u00d7 (\u0394T^0.4281) \u00d7 (A^0.6732)<\/li>\n<\/ul>\n\n\n\n<p>\uc774 \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc804\ub958\ub294 \uc554\ud398\uc5b4 \ub2e8\uc704\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\u0394T\ub294 \ud5c8\uc6a9 \uc628\ub3c4 \uc0c1\uc2b9\uc744 \u00b0C \ub2e8\uc704\ub85c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>A\ub294 \ub2e8\uba74\uc801(\ub610\ub294 \uacf5\uc2dd\uc744 \uc801\uc6a9\ud558\ub294 \ubc29\uc2dd\uc5d0 \ub530\ub77c \ub2e4\ub978 \ub2e8\uc704)\uc785\ub2c8\ub2e4. \uacf5\uc2dd\uc744 \uc801\uc6a9\ud560 \ub54c\ub294 \uc77c\uad00\ub41c \ub2e8\uc704\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.<\/li>\n<\/ul>\n\n\n\n<p>\uc8fc\uc5b4\uc9c4 \uc628\ub3c4 \uc0c1\uc2b9\uc5d0 \ub300\ud574 \uc815\ud655\ud55c \ud5c8\uc6a9 \uc804\ub958\uac00 \ud544\uc694\ud55c \uacbd\uc6b0 IPC \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8. \uad6c\ub9ac \ub450\uaed8 \ubc0f \uc720\uc804\uccb4 \ub9e4\uce6d<\/h2>\n\n\n\n<p>PCB \uc124\uacc4\uc5d0\uc11c \u201c\uad6c\ub9ac \ub450\uaed8 - \uc720\uc804\uccb4 \ub9e4\uce6d\u201d\uc740 \uad6c\ub9ac \ub450\uaed8\uc640 \uae30\ud310 \uc720\uc804\uccb4\ub97c \ud568\uaed8 \uc120\ud0dd\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\ub294 \uc804\uae30\uc801 \uc694\uad6c, \uc5f4\uc801 \uc694\uad6c \ubc0f \uae30\uacc4\uc801 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\uae30 \uc704\ud55c \uac83\uc785\ub2c8\ub2e4. \uc694\uc810<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8.1 \uad6c\ub9ac \ubb34\uac8c(\uad6c\ub9ac \ub450\uaed8)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub2e8\uc704: \uc628\uc2a4\/ft\u00b2(\uc608: 0.5\uc628\uc2a4, 1\uc628\uc2a4, 2\uc628\uc2a4, 3\uc628\uc2a4).<\/li>\n\n\n\n<li>1\uc628\uc2a4 \u2248 35\u03bcm \u2248 1.35\ubc00\ub9ac.<\/li>\n\n\n\n<li>\ud6a8\uacfc:\n<ul class=\"wp-block-list\">\n<li>\uc804\ub958 \uc804\ub2ec: \uad6c\ub9ac\uac00 \ub450\uaebc\uc6b8\uc218\ub85d \ub354 \ub9ce\uc740 \uc804\ub958\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc190\uc2e4: \uace0\uc8fc\ud30c\uc5d0\uc11c\ub294 \ud53c\ubd80 \ud6a8\uacfc\uac00 \uc911\uc694\ud569\ub2c8\ub2e4. \uad6c\ub9ac\uac00 \ub450\uaebc\uc6b0\uba74 \uacbd\uc6b0\uc5d0 \ub530\ub77c \ub3c4\uccb4 \uc190\uc2e4\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc5f4: \ub450\uaebc\uc6b4 \uad6c\ub9ac\ub294 \uc5f4 \ud655\uc0b0\uc5d0 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc5d0\uce6d: \uad6c\ub9ac\uac00 \ub450\uaebc\uc6b8\uc218\ub85d \ubbf8\uc138 \uc5d0\uce6d \uc791\uc5c5\uc774 \ub354 \uc5b4\ub824\uc6cc\uc9d1\ub2c8\ub2e4. \ucd5c\uc18c \ud2b8\ub808\uc774\uc2a4 \ud3ed\uacfc \uac04\uaca9\uc774 \uc99d\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ube44\uc6a9: \uad6c\ub9ac\uac00 \ub450\uaebc\uc6b8\uc218\ub85d \ube44\uc6a9\uc774 \ub354 \ub9ce\uc774 \ub4ed\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">8.2 \uc720\uc804\uccb4 \uc7ac\ub8cc<\/h3>\n\n\n\n<p>\uc8fc\uc694 \uc720\uc804\uccb4 \uc18d\uc131:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc720\uc804 \uc0c1\uc218(Dk \ub610\ub294 \u03b5r): \uc2e0\ud638 \uc18d\ub3c4\uc640 \uc784\ud53c\ub358\uc2a4\uc5d0 \uc601\ud5a5\uc744 \uc90d\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc190\uc2e4 \ud0c4\uc820\ud2b8(Df): \uace0\uc8fc\ud30c \uc190\uc2e4\uc5d0 \uc601\ud5a5\uc744 \uc90d\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ub450\uaed8(H): \uad6c\ub9ac \ub450\uaed8\uc5d0 \ub530\ub77c \uc784\ud53c\ub358\uc2a4\uc640 \ucee4\ud328\uc2dc\ud134\uc2a4\uac00 \uacb0\uc815\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>CTE \ubc0f Tg: \uc5f4 \uc2e0\ub8b0\uc131.<br>\uacf5\ud1b5 \uc790\ub8cc: <strong>fr4<\/strong> \uc77c\ubc18\uc6a9, \uace0-Tg fr4 \ubc0f \ud2b9\uc218 \uace0\uc8fc\ud30c \uc7ac\ub8cc(\uc608: \ub85c\uc800\uc2a4)\uc6a9\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">8.3 \ub9e4\uce6d \uaddc\uce59<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc784\ud53c\ub358\uc2a4 \uc81c\uc5b4\uc758 \uacbd\uc6b0 \uc77c\ubc18\uc801\uc778 \ub9c8\uc774\ud06c\ub85c\uc2a4\ud2b8\ub9bd \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4: Z0 \u2248 (87 \/ sqrt(\u03b5r_eff + 1.41)) * ln(5.98H \/ (0.8W + T)) \uc5ec\uae30\uc11c Z0\uc740 \uc784\ud53c\ub358\uc2a4, \u03b5r_eff\ub294 \uc720\ud6a8 \uc720\uc804 \uc0c1\uc218, H\ub294 \uc720\uc804\uccb4 \ub450\uaed8, W\ub294 \ud2b8\ub808\uc774\uc2a4 \ud3ed, T\ub294 \uad6c\ub9ac \ub450\uaed8\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uad6c\ub9ac \ub450\uaed8\uac00 \uc99d\uac00\ud558\uba74 \ub3d9\uc77c\ud55c \ud3ed\uacfc \uc720\uc804\uccb4\uc5d0 \ub300\ud574 \uc784\ud53c\ub358\uc2a4\ub294 \uac10\uc18c\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub3d9\uc77c\ud55c \uc784\ud53c\ub358\uc2a4\ub97c \uc720\uc9c0\ud558\ub824\uba74 \ud3ed\uc744 \ub298\ub9ac\uac70\ub098 \uc720\uc804\uccb4 \ub450\uaed8\ub97c \ub298\ub824\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uace0\uc8fc\ud30c \uc2e0\ud638\uc758 \uacbd\uc6b0 \ud53c\ubd80 \uae4a\uc774\uac00 \uc911\uc694\ud569\ub2c8\ub2e4. \uad6c\ub9ac \ub450\uaed8\ub294 \uad00\uc2ec \uc788\ub294 \ucd5c\uace0 \uc8fc\ud30c\uc218\uc5d0\uc11c \ud53c\ubd80 \uae4a\uc774\uc758 \uba87 \ubc30 \uc774\uc0c1\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ub9e4\uc6b0 \ub192\uc740 \uc8fc\ud30c\uc218\uc758 \uacbd\uc6b0 \ud45c\uba74 \uac70\uce60\uae30\ub3c4 \uc911\uc694\ud569\ub2c8\ub2e4. \ub0ae\uc740 \uc190\uc2e4\uc774 \ud544\uc694\ud55c \uacbd\uc6b0 \uac70\uce60\uae30\uac00 \ub0ae\uc740 \uad6c\ub9ac\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc804\ub825\uba74\uacfc \uc804\ub958\uac00 \ub9ce\uc740 \uacbd\uc6b0\uc5d0\ub294 \ub450\uaebc\uc6b4 \uad6c\ub9ac(2\uc628\uc2a4 \uc774\uc0c1)\ub97c \uc0ac\uc6a9\ud558\uace0 \uc5f4 \uad00\ub9ac\ub97c \uc704\ud574 \uc5f4 \uc804\ub3c4\uc131 \uc720\uc804\uccb4 \ub610\ub294 \uae08\uc18d \ucf54\uc5b4 \ubcf4\ub4dc\ub97c \uace0\ub824\ud558\uc138\uc694.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">8.4 \uc81c\uc870 \uac00\ub2a5\uc131<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub450\uaebc\uc6b4 \uad6c\ub9ac(3\uc628\uc2a4 \uc774\uc0c1)\ub294 \uc5d0\uce6d \ubb38\uc81c\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ub354 \ud070 \ud2b8\ub808\uc774\uc2a4\/\uac04\uaca9 \uaddc\uce59\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc587\uc740 \uc720\uc804\uccb4\ub294 \uad6c\ub9ac \ub450\uaed8\ub97c \uc5c4\uaca9\ud558\uac8c \uc81c\uc5b4\ud574\uc57c \ud569\ub2c8\ub2e4. \ubcc0\ud654\ub294 \uc784\ud53c\ub358\uc2a4\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">9. \uc120\ud0dd \ud45c(\uc9e7\uc740 \uac00\uc774\ub4dc)<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc2dc\ub098\ub9ac\uc624<\/th><th>\uad8c\uc7a5 \uad6c\ub9ac \ubb34\uac8c<\/th><th>\uad8c\uc7a5 \uc720\uc804\uccb4 \uc7ac\ub8cc<\/th><th>\uc77c\uce58\ud558\ub294 \uc774\uc720<\/th><\/tr><\/thead><tbody><tr><td>\uace0\uc18d \ub514\uc9c0\ud138(&gt;5Gbps)<\/td><td>0.5\uc628\uc2a4 - 1\uc628\uc2a4<\/td><td>low-Df FR4 \/ <a href=\"https:\/\/www.rogerscorp.com\/advanced-electronics-solutions\/ro4000-series-laminates\" target=\"_blank\" rel=\"noopener\">\ub85c\uc800\uc2a4 RO4000<\/a><\/td><td>\uc815\ubc00\ud55c \ub77c\uc6b0\ud305, \ub0ae\uc740 \uc190\uc2e4, \uac04\ud3b8\ud55c \uc784\ud53c\ub358\uc2a4 \uc81c\uc5b4.<\/td><\/tr><tr><td>\uc804\ub825 \ubaa8\ub4c8 \/ \uace0\uc804\ub958<\/td><td>2 \uc628\uc2a4 - 6 \uc628\uc2a4 \uc774\uc0c1<\/td><td><a href=\"https:\/\/flj-pcb.com\/ko\/fr-4-pcb-guide-properties-limits-material-choices\/\" data-type=\"post\" data-id=\"4641\">FR4<\/a> \uace0Tg\/\uace0\uc5f4 \uc804\ub3c4\uc131 \uc18c\uc7ac<\/td><td>\ub354 \ub192\uc740 \uc804\ub958 \uc6a9\ub7c9\uacfc \ub354 \ub098\uc740 \uc5f4 \ubc29\ucd9c.<\/td><\/tr><tr><td>RF\/\ub9c8\uc774\ud06c\ub85c\ud30c(&gt;10GHz)<\/td><td>0.5\uc628\uc2a4(\ub0ae\uc740 \uac70\uce60\uae30)<\/td><td><a href=\"https:\/\/www.rogerscorp.com\/advanced-electronics-solutions\/ro3000-series-laminates\" target=\"_blank\" rel=\"noopener\">\ub85c\uc800\uc2a4 RO3000<\/a> \/ <a href=\"https:\/\/flj-pcb.com\/ko\/pcb-substrate-classification-and-material-properties\/\" data-type=\"post\" data-id=\"4685\">\ud14c\ud504\ub860(PTFE)<\/a><\/td><td>RF\uc5d0 \ucd5c\uc801\ud654\ub41c \ucd08\uc800\uc190\uc2e4 \ubc0f \ucd5c\uc801\ud654\ub41c \ud45c\uba74 \ud6a8\uacfc.<\/td><\/tr><tr><td>\uc77c\ubc18 \uac00\uc804 \uc81c\ud488<\/td><td>1 \uc628\uc2a4<\/td><td>\ud45c\uc900 FR4<\/td><td>\uade0\ud615 \uc7a1\ud78c \ube44\uc6a9\uacfc \uc131\uc219\ud55c \ud504\ub85c\uc138\uc2a4.<\/td><\/tr><tr><td>\uace0\ubc00\ub3c4 HDI \ubcf4\ub4dc<\/td><td>0.5\uc628\uc2a4 - 1\uc628\uc2a4<\/td><td>FR4 \uace0-Tg\/\uc800-CTE \uc18c\uc7ac<\/td><td>\uc131\ub2a5\uc744 \ud1b5\ud55c \ubbf8\uc138\ud55c \ud754\uc801\uacfc \uc548\uc815\uc801\uc778 \ub808\uc774\uc800.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">10. \uc2e4\uc6a9\uc801\uc778 \uc870\uc5b8<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\uc804\ub958, \uc2e0\ud638 \uc18d\ub3c4, \uc784\ud53c\ub358\uc2a4, \ubc1c\uc5f4 \ub4f1 \uc694\uad6c \uc0ac\ud56d\uc744 \uba3c\uc800 \uba85\uc2dc\ud558\uc138\uc694.<\/li>\n\n\n\n<li>\uc801\uc808\ud55c \ub3c4\uad6c\ub85c \uc2a4\ud0dd\uc5c5\uc744 \uacc4\ud68d\ud558\uc138\uc694.<\/li>\n\n\n\n<li>\uc7ac\uc9c8 Dk \ubc0f \uad6c\ub9ac \ub450\uaed8\ub85c \uc784\ud53c\ub358\uc2a4 \uc2dc\ubbac\ub808\uc774\uc158\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uad6c\ub9ac \ub450\uaed8 \uacf5\ucc28 \ubc0f \uc720\uc804\uccb4 \uc635\uc158\uc5d0 \ub300\ud574 \ubcf4\ub4dc \ud558\uc6b0\uc2a4\uc5d0 \ubb38\uc758\ud558\uc138\uc694.<\/li>\n\n\n\n<li>\uace0\uc8fc\ud30c\uc758 \uacbd\uc6b0 \uac00\ub2a5\ud558\uba74 \uc7ac\ub8cc Dk \ubc0f Df\ub97c \uce21\uc815\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p><strong>\ucc38\uace0:<\/strong> \uacf5\uce6d \uad6c\ub9ac \uc911\ub7c9(\uc608: 1\uc628\uc2a4)\uc740 \uc5d0\uce6d \uc804 \uc2dc\uc791 \ub450\uaed8\uc785\ub2c8\ub2e4. \uc5d0\uce6d \ud6c4\uc5d0\ub294 \ud2b8\ub808\uc774\uc2a4\uc758 \uce21\uba74\uc774 \uac00\ub298\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c \uc784\ud53c\ub358\uc2a4\ub97c \ud655\uc778\ud558\ub824\uba74 \ud3c9\uade0 \ub450\uaed8 \ub610\ub294 \ubcf4\ub4dc \ud558\uc6b0\uc2a4 \uac00\uc774\ub4dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>1. What is copper foil? Copper foil is a thin, continuous metal sheet. It is an electro-deposited, negative-type material. The [&hellip;]<\/p>","protected":false},"author":1,"featured_media":4733,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","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 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