{"id":10516,"date":"2025-12-12T08:38:41","date_gmt":"2025-12-12T08:38:41","guid":{"rendered":"https:\/\/www.besterpcba.com\/golden-coupon-paradox\/"},"modified":"2025-12-12T08:41:54","modified_gmt":"2025-12-12T08:41:54","slug":"golden-coupon-paradox","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/ko\/%ed%99%a9%ea%b8%88-%ec%bf%a0%ed%8f%b0-%ec%97%ad%ec%84%a4\/","title":{"rendered":"\uace8\ub4e0 \ucfe0\ud3f0 \uc5ed\uc124: \ud569\uaca9 \ubcf4\uace0\uc11c\uac00 \uc2e4\ud328\ud55c \ubcf4\ub4dc\ub97c \uc228\uae30\ub294 \uc774\uc720"},"content":{"rendered":"<p>\ubcf4\ub4dc\ub294 \uace0\uc7a5 \ub0ac\ub2e4. \uadf8\uac83\uc740 \uc544\ub9c8\ub3c4 \uc790\uc728 \ubb3c\ub958 \uc81c\uc5b4\uae30\ub098 \uc758\ub8cc \ubaa8\ub2c8\ud130\ub9c1 \uc778\ud130\ud398\uc774\uc2a4 \uac19\uc740 \uace0\uc704\ud5d8 \uc7a5\uce58\uc600\uc73c\uba70, \ud604\uc7a5\uc5d0\uc11c \ub2e8 50\uc2dc\uac04 \ub9cc\uc5d0 \uace0\uc7a5 \ub0ac\ub2e4. \uace0\uc7a5 \ubd84\uc11d \uc2e4\ud5d8\uc2e4\uc740 \ubd80\uac80\uc744 \ub9c8\ucce4\ub2e4: PCB\uc758 \ub2e8\uba74\uc740 \uade0\uc5f4\uc774 \uac04 \ube44\uc544 \ubc30\ub7f4 \ub610\ub294 \ubd84\ub9ac\ub41c \ud3ec\uc2a4\ud2b8 \uc778\ud130\ucee4\ub125\ud2b8\ub97c \ubcf4\uc5ec\uc900\ub2e4. \ubb3c\ub9ac\ud559\uc801\uc73c\ub85c \ubd80\uc778\ud560 \uc218 \uc5c6\ub2e4; \uad6c\ub9ac\uac00 \ubb3c\ub9ac\uc801\uc73c\ub85c \ub04a\uc5b4\uc84c\ub2e4. \uadf8\ub7ec\ub098 \ud488\uc9c8 \uad00\ub9ac\uc790 \uc55e \ucc45\uc0c1 \uc704\uc5d0\ub294 \uc81c\uc791 \uc5c5\uccb4\uc5d0\uc11c \ubc1c\ud589\ud55c \u201c\uc801\ud569\uc131 \uc99d\uba85\uc11c\u201d(CoC)\uac00 \ud569\uaca9 \ub4f1\uae09\uc73c\ub85c \ube5b\ub098\uace0 \uc788\ub2e4. \uadf8 \ucd9c\ud558\uc5d0 \ucca8\ubd80\ub41c \ubbf8\uc138 \ub2e8\uba74 \ubcf4\uace0\uc11c\ub294 IPC \ud074\ub798\uc2a4 3 \ucd5c\uc18c \uae30\uc900\uc744 \ud6e8\uc52c \uc0c1\ud68c\ud558\ub294 \uc544\ub984\ub2f5\uace0 \uacac\uace0\ud55c \uad6c\ub9ac \ub3c4\uae08\uc744 \ubcf4\uc5ec\uc900\ub2e4.<\/p>\n\n\n\n<p>\uc5b4\ub5bb\uac8c \ubcf4\ub4dc\ub294 \ubb3c\ub9ac\uc801\uc73c\ub85c \ud30c\uc190\ub418\uc5c8\ub294\ub370 \uc11c\ub958\uc0c1\uc73c\ub85c\ub294 \uc644\ubcbd\ud558\ub2e4\uace0 \uc8fc\uc7a5\ud560 \uc218 \uc788\uc744\uae4c? \ub2f5\uc740 \ubcf4\ud1b5 \u201c\ub300\ud45c \ud45c\ubcf8\u201d, \uc989 \ud14c\uc2a4\ud2b8 \ucfe0\ud3f0\uc5d0 \uc788\ub2e4. \uc778\uc1c4 \ud68c\ub85c \uae30\ud310 \uc81c\uc791\uc758 \uace0\uc704\ud5d8 \uc138\uacc4\uc5d0\uc11c \uc6b0\ub9ac\ub294 \uc81c\uc791 \ud328\ub110\uc758 \ud3d0\uae30 \uacbd\uacc4\uc5d0 \uc788\ub294 \uc774 \uc791\uc740 PCB \uc7ac\ub8cc \uc870\uac01\ub4e4\uc774 \uc911\uc559\uc758 \uc2e4\uc81c \ud68c\ub85c \uac74\uac15 \uc0c1\ud0dc\ub97c \ub098\ud0c0\ub0b4\ub294 \uc9c0\ud45c\ub85c \uc0ac\uc6a9\ub41c\ub2e4. \ucfe0\ud3f0\uc774 \ud1b5\uacfc\ud558\uba74 \ubcf4\ub4dc\ub3c4 \ud1b5\uacfc\ud55c\ub2e4\uace0 \uac00\uc815\ud55c\ub2e4. \uc774 \uac00\uc815\uc740 \ud604\ub300 \ud558\ub4dc\uc6e8\uc5b4 \uc2e0\ub8b0\uc131\uc5d0\uc11c \uac00\uc7a5 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 \uc624\ub958 \uc911 \ud558\ub098\uc774\ub2e4.<\/p>\n\n\n\n<p>\ubb3c\ub9ac\ub294 \ub2f9\uc2e0\uc758 \uc11c\ub958\ub97c \uc2e0\uacbd \uc4f0\uc9c0 \uc54a\ub294\ub2e4. \ud14c\uc2a4\ud2b8 \ucfe0\ud3f0\uc758 \uae30\ud558\ud559\uc774 \uc2e4\uc81c \ubcf4\ub4dc\uc5d0\uc11c \uac00\uc7a5 \uc5b4\ub824\uc6b4 \ud2b9\uc9d5\uc758 \uae30\ud558\ud559\uacfc \uc5c4\uaca9\ud788 \uc77c\uce58\ud558\uc9c0 \uc54a\uc73c\uba74, \ubbf8\uc138 \ub2e8\uba74 \ubcf4\uace0\uc11c\ub294 \ub370\uc774\ud130\uac00 \uc544\ub2c8\ub77c \ud3b8\uc548\ud55c \ud5c8\uad6c\uac00 \ub41c\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"physics-in-the-plating-tank\">\ub3c4\uae08 \ud0f1\ud06c \ub0b4\uc758 \ubb3c\ub9ac\ud559<\/h2>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/12\/industrial-pcb-plating-tank.jpg\" alt=\"\ud654\ud559 \ub3c4\uae08 \ud0f1\ud06c\uc5d0\uc11c \uac13 \ub4e4\uc5b4 \uc62c\ub824 \ub799\uc5d0 \ub9e4\ub2ec\ub9b0 \uc778\uc1c4 \ud68c\ub85c \uae30\ud310 \ud328\ub110, \uc804\ud574\uc9c8 \uc6a9\uc561\uc774 \ub69d\ub69d \ub5a8\uc5b4\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.\" title=\"PCB \ub3c4\uae08 \uc695\uc870 \uce68\uc9c0\"\/><figcaption class=\"wp-element-caption\">\ub3c4\uae08 \ud0f1\ud06c \ub0b4\ubd80\uc5d0\uc11c\ub294 \uc720\uccb4 \uc5ed\ud559\uacfc \uc804\ub958 \ubd84\ud3ec\uac00 \uad6c\ub9ac\uac00 \ubcf4\ub4dc\uc758 \uc791\uc740 \uad6c\uba4d\uc5d0 \ub3c4\ub2ec\ud558\ub294\uc9c0\ub97c \uacb0\uc815\ud55c\ub2e4.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\ucfe0\ud3f0\uc774 \uac70\uc9d3\ub9d0\ud558\ub294 \uc774\uc720\ub97c \uc774\ud574\ud558\ub824\uba74 \ub3c4\uae08 \ud0f1\ud06c \ub0b4\ubd80 \ud658\uacbd\uc744 \uc0b4\ud3b4\ubd10\uc57c \ud55c\ub2e4. PCB \ud328\ub110\uc740 \uc804\ud574\uc9c8 \uc695\uc870\uc5d0 \uc7a0\uae30\uba70, \uc804\uae30\ubd84\ud574\ub97c \ud1b5\ud574 \uad6c\ub9ac\uac00 \ud45c\uba74\uacfc \ub6ab\ub9b0 \uad6c\uba4d \uc548\uc5d0 \ub3c4\uae08\ub41c\ub2e4. \ub3c4\uae08\uc740 \ubcbd\uc5d0 \ud398\uc778\ud2b8 \uce60\ud558\ub294 \uac83\ucc98\ub7fc \uade0\uc77c\ud55c \uacfc\uc815\uc774 \uc544\ub2c8\ub2e4. \uadf8\uac83\uc740 \uc720\uccb4 \uc5ed\ud559\uacfc \uc804\ub958 \ubd84\ud3ec\uc758 \ud63c\ub780\uc2a4\ub7ec\uc6b4 \ud22c\uc7c1\uc774\ub2e4.<\/p>\n\n\n\n<p>\uad6c\ub9ac\uac00 \uad6c\uba4d \ub0b4\ubd80\uc5d0 \uc313\uc774\ub294 \uc18d\ub3c4\ub294 \uc695\uc870\uc758 \u201c\ud22c\uc0ac\ub825\u201d\uacfc \uad6c\uba4d\uc758 \uc885\ud6a1\ube44\uc5d0 \ud06c\uac8c \uc88c\uc6b0\ub41c\ub2e4. \ub113\uace0 \uc595\uc740 \uad6c\uba4d\uc740 \ub3c4\uae08\ud558\uae30 \uc27d\ub2e4; \uc2e0\uc120\ud55c \ud654\ud559\ubb3c\uc9c8\uc774 \uc27d\uac8c \ud750\ub974\uace0 \uc804\uae30\uc7a5\uc774 \uac15\ud558\ub2e4. \uc881\uace0 \uae4a\uc740 \uad6c\uba4d\uc740 \uc545\ubabd\uc774\ub2e4. \ud654\ud559\ubb3c\uc9c8\uc774 \uc815\uccb4\ub418\uace0 \uc804\uae30\uc7a5\uc774 \ubc30\ub7f4 \uc911\uc559\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc5b4\ub835\ub2e4.<\/p>\n\n\n\n<p>\uc774\uc81c \ud45c\uc900 \ud14c\uc2a4\ud2b8 \ucfe0\ud3f0\uc758 \uae30\ud558\ud559\uc744 \uace0\ub824\ud574 \ubcf4\uc790. \uc5ed\uc0ac\uc801\uc73c\ub85c \ub9ce\uc740 \uc81c\uc791 \uc5c5\uccb4\ub294 \ud45c\uc900 IPC-2221 \u201c\ubaa8\ub378 A\u201d \ucfe0\ud3f0\uc774\ub098 \ub2e8\uc21c\ud55c \ub3c5\uc810 \uc2a4\ud2b8\ub9bd\uc744 \uae30\ubcf8\uc73c\ub85c \uc0ac\uc6a9\ud55c\ub2e4. \uc774\ub4e4\uc740 \uc885\uc885 0.5mm \uc774\uc0c1\uc778 \uacac\uace0\ud558\uace0 \ud070 \uc9c1\uacbd\uc758 \uad00\ud1b5 \uad6c\uba4d\uc744 \ud2b9\uc9d5\uc73c\ub85c \ud55c\ub2e4. \uc774\ub4e4\uc740 PCB \uc138\uacc4\uc758 \u201c\ud070 \ubb38\u201d\uacfc \uac19\uc544\uc11c \ub6ab\uae30 \uc27d\uace0 \uccad\uc18c\ud558\uae30 \uc27d\uace0 \ub3c4\uae08\ud558\uae30\ub3c4 \ub9e4\uc6b0 \uc27d\ub2e4.<\/p>\n\n\n\n<p>\uc774\uac83\uc744 \ubcf4\ub4dc \uc124\uacc4\uc640 \ub300\ube44\ud574 \ubcf4\uc790. \ub2f9\uc2e0\uc740 0.15mm \uae30\uacc4 \ub4dc\ub9b4\uc774\ub098 \ub808\uc774\uc800\ub85c \ub6ab\uc740 \ub9c8\uc774\ud06c\ub85c\ube44\uc544\ub97c \uc0ac\uc6a9\ud558\ub294 \uace0\ubc00\ub3c4 \uc0c1\ud638\uc5f0\uacb0(HDI) \uc124\uacc4\ub97c \uc9c4\ud589\ud558\uace0 \uc788\uc744 \uc218 \uc788\ub2e4. \uc774\uac83\ub4e4\uc740 \u201c\ubc14\ub298 \uad6c\uba4d\u201d\uc774\ub2e4. \uadf8 \ud328\ub110\uc774 \ud0f1\ud06c\uc5d0 \ub4e4\uc5b4\uac00\uba74, \ud654\ud559\ubb3c\uc9c8\uc740 \ud070 \ucfe0\ud3f0 \uad6c\uba4d\uc744 \uac00\ub4dd \ucc44\uc6cc \ub450\uaecd\uace0 \uac74\uac15\ud55c \uad6c\ub9ac\ub97c \uce68\ucc29\uc2dc\ud0a8\ub2e4. \ud55c\ud3b8, \ud328\ub110 \uc911\uc559\uc5d0\uc11c\ub294 \ub3c4\uae08 \uc6a9\uc561\uc774 \uc791\uace0 \uc885\ud6a1\ube44\uac00 \ub192\uc740 \ube44\uc544 \ub0b4\ubd80\ub97c \uc21c\ud658\ud558\uae30 \uc5b4\ub824\uc6cc\ud55c\ub2e4. \uacb0\uacfc\ub294 \uc2e4\uc81c \uc81c\ud488\uc5d0\uc11c\uc758 \u201c\ubb34\ub98e \uc587\uc544\uc9d0\u201d \ub610\ub294 \ubc30\ub7f4 \ub3c4\uae08 \ubd80\uc871\uc774\uba70, \ubc18\uba74 \ub808\uc77c\uc5d0 \uc788\ub294 \ucfe0\ud3f0\uc740 \uae08\ubcc4\uc744 \ubc1b\ub294\ub2e4.<\/p>\n\n\n\n<p>\uc774 \ubd88\uc77c\uce58\ub294 \uad6c\uc870\uc801 \ubb34\uacb0\uc131\uc744 \ub118\uc5b4\uc120\ub2e4. \uc124\uacc4\uc790\ub4e4\uc740 \uc885\uc885 \uc784\ud53c\ub358\uc2a4 \uc81c\uc5b4\uc5d0 \uc9d1\ucc29\ud558\uba70 \uc2e0\ud638 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 TDR(\uc2dc\uac04 \uc601\uc5ed \ubc18\uc0ac \uce21\uc815) \ubcf4\uace0\uc11c\ub97c \uc694\uad6c\ud55c\ub2e4. \uacf5\uae09\uc5c5\uccb4\uac00 \uace0\uc18d \ucc28\ub3d9 \uc30d\uc758 \ud2b9\uc815 \ubc00\ub3c4\uc640 \uc5d0\uce6d \ud658\uacbd\uc5d0 \ub9de\uc9c0 \uc54a\ub294 \ud2b8\ub808\uc774\uc2a4 \uae30\ud558\ud559\uc744 \uac00\uc9c4 \ucfe0\ud3f0\uc744 \uc0ac\uc6a9\ud55c\ub2e4\uba74, \uadf8 TDR \uacb0\uacfc\ub294 \uce21\uc815\ub41c \ud604\uc2e4\uc774 \uc544\ub2c8\ub77c \uacc4\uc0b0\ub41c \ud5c8\uad6c\uc774\ub2e4. \uad6c\uc870 \ucfe0\ud3f0\uc774 \uad6c\ub9ac \ub450\uaed8\uc5d0 \ub300\ud574 \uac70\uc9d3\ub9d0\uc744 \ud55c\ub2e4\uba74, \uc784\ud53c\ub358\uc2a4 \ucfe0\ud3f0\ub3c4 \ud2b8\ub808\uc774\uc2a4 \ud3ed\uc5d0 \ub300\ud574 \uac70\uc9d3\ub9d0\ud560 \uac00\ub2a5\uc131\uc774 \ud06c\ub2e4.<\/p>\n\n\n\n<p>\ubb38\uc81c\ub294 \u201c\uc804\ub958 \ub3c4\ub451\u201d\uc5d0 \uc758\ud574 \uc545\ud654\ub41c\ub2e4. \uc81c\uc791 \ud328\ub110\uc758 \uac00\uc7a5\uc790\ub9ac\ub294 \uc911\uc559\ubcf4\ub2e4 \ub354 \ub9ce\uc740 \uc804\ub958 \ubc00\ub3c4\ub97c \ub04c\uc5b4\ub2f9\uae34\ub2e4. \ucfe0\ud3f0\uc740 \uacf5\uac04 \uc808\uc57d\uc744 \uc704\ud574 \uac70\uc758 \ud56d\uc0c1 \ud328\ub110 \uacbd\uacc4(\u201c\ub808\uc77c\u201d)\uc5d0 \ubc30\uce58\ub418\ubbc0\ub85c, \uc790\uc5f0\uc2a4\ub7fd\uac8c \uc911\uc559 \ubd80\ud488\ubcf4\ub2e4 \ub354 \ube60\ub974\uace0 \ub450\uaecd\uac8c \ub3c4\uae08\ub41c\ub2e4. \uacb0\uad6d \uac00\uc7a5 \ud2b9\uad8c\uc801\uc778 \ud328\ub110 \ubd80\uc704\ub97c \ud14c\uc2a4\ud2b8\ud558\uc5ec \uac00\uc7a5 \uc5f4\uc545\ud55c \ubd80\uc704\ub97c \uac80\uc99d\ud558\uac8c \ub41c\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"the-hdi-and-viainpad-trap\">HDI \ubc0f \ube44\uc544-\uc778-\ud328\ub4dc \ud568\uc815<\/h2>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/12\/pcb-cross-section-micrograph.jpg\" alt=\"\ub2e4\uce35 PCB\uc758 \uadf9\ub2e8\uc801\uc778 \ud074\ub85c\uc988\uc5c5 \ub2e8\uba74\uc73c\ub85c, \uc720\ub9ac\uc12c\uc720\uc640 \uad6c\ub9ac\uc758 \uad50\ucc28\ud558\ub294 \uce35\uacfc \uc218\uc9c1 \uc5f0\uacb0\ubd80\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.\" title=\"PCB \ub2e8\uba74 \ub9e4\ud06c\ub85c\"\/><figcaption class=\"wp-element-caption\">\ud45c\uc900 \ud14c\uc2a4\ud2b8 \ucfe0\ud3f0\uc774 \uc885\uc885 \ubcf5\uc81c\ud558\uc9c0 \ubabb\ud558\ub294 \uc801\uce35 \ub9c8\uc774\ud06c\ub85c\ube44\uc544\uc758 \ubcf5\uc7a1\ud55c \ub0b4\ubd80 \uad6c\uc870\ub97c \ubcf4\uc5ec\uc8fc\ub294 \ub2e8\uba74\ub3c4.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\uae30\ud558\ud559\uc801 \ubd88\uc77c\uce58\ub294 HDI \ubc0f Via-in-Pad Plated Over (VIPPO) \uad6c\uc870\ub85c \ub118\uc5b4\uac08 \ub54c \uce58\uba85\uc801\uc73c\ub85c \uc545\ud654\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc11c \ub300\ubd80\ubd84\uc758 \ud604\ub300 \"\ud1b5\uacfc\ud588\uc9c0\ub9cc \uc2e4\ud328\ud55c\" \uc2dc\ub098\ub9ac\uc624\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc801\uce35 \ub9c8\uc774\ud06c\ub85c\ube44\uc544\ub97c \uace0\ub824\ud574 \ubcf4\uc2ed\uc2dc\uc624. \uc774 \uad6c\uc870\uc5d0\uc11c\ub294 1\uce35\uc758 \ub808\uc774\uc800 \ub4dc\ub9b4 \ube44\uc544\uac00 2\uce35\uc758 \ub9e4\ub9bd \ube44\uc544\uc640 \uc5f0\uacb0\ub418\uace0, \ub2e4\uc2dc 3\uce35\uacfc \uc5f0\uacb0\ub418\uc5b4 \ubaa8\ub450 \uc9c1\uc811 \uc704\uc5d0 \uc801\uce35\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uae30\uacc4\uc801\uc73c\ub85c \ucde8\uc57d\ud558\uba70 \ub3c4\uae08 \ud654\ud559\uc774 \uc644\ubcbd\ud558\uc9c0 \uc54a\uc73c\uba74 \uacc4\uba74\uc5d0\uc11c \ubd84\ub9ac\ub418\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uacf5\uae09\uc5c5\uccb4\uac00 \uc774\ub7ec\ud55c \ube44\uc544\ub97c \uc801\uce35\ud558\ub294 \ub300\uc2e0 \uc11c\ub85c \uc5b4\uae0b\ub098\uac8c \ubc30\uce58\ud558\ub294 \ud45c\uc900 \ucfe0\ud3f0\uc744 \uc0ac\uc6a9\ud558\uba74 \uc751\ub825 \ud504\ub85c\ud544\uc774 \uc644\uc804\ud788 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc5b4\uae0b\ub09c \ucfe0\ud3f0\uc740 \uc801\uce35\ub41c \ube44\uc544\ub97c \ubd84\ub9ac\uc2dc\ud0a4\ub294 \uc5f4 \uc0ac\uc774\ud074 \ud14c\uc2a4\ud2b8\ub97c \ud1b5\uacfc\ud569\ub2c8\ub2e4. \ub2f9\uc2e0\uc740 \ubb34\ud574\ud55c \uad6c\uc870\ub97c \uac80\uc99d\ud558\uba74\uc11c \uc2dc\ud55c\ud3ed\ud0c4\uc744 \ubc30\uc1a1\ud558\ub294 \uc148\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uadf8 \ub2e4\uc74c\uc740 VIPPO \uc545\ubabd\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uacf5\uc815\uc5d0\uc11c\ub294 \ube44\uc544\uc5d0 \ub3c4\uae08\uc744 \ud558\uace0 \uc5d0\ud3ed\uc2dc\ub85c \ucc44\uc6b4 \ud6c4 \uad6c\ub9ac\ub85c \"\ucea1\"\uc744 \uc50c\uc6cc \ubd80\ud488\uc744 \uc9c1\uc811 \ub0a9\ub55c\ud560 \uc218 \uc788\uac8c \ud569\ub2c8\ub2e4. \uc5ec\uae30\uc11c \uc704\ud5d8\uc740 \uc5d0\ud3ed\uc2dc \ucda9\uc804\uc7ac\uc758 \uac00\uc2a4 \ubc29\ucd9c\ub85c \uc778\ud55c \"\ub524\ud50c\ub9c1\" \ub610\ub294 \ucea1 \ubd84\ub9ac\uc785\ub2c8\ub2e4. \uc124\uacc4\uac00 BGA \ube0c\ub808\uc774\ud06c\uc544\uc6c3\uc5d0 VIPPO\ub97c \uc0ac\uc6a9\ud558\uc9c0\ub9cc \uacf5\uae09\uc5c5\uccb4\uc758 \ud45c\uc900 \ucfe0\ud3f0\uc774 \uac1c\ubc29\ud615 \uad00\ud1b5\ud640\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0, \ub2e8\uba74 \uac80\uc0ac\ub294 \ucea1 \ub3c4\uae08\uc774\ub098 \ucda9\uc804\uc7ac\uc758 \ud488\uc9c8\uc744 \uc808\ub300 \ubcf4\uc5ec\uc8fc\uc9c0 \ubabb\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774\uac83\uc774 \uc885\uc885 IPC Class 2\uc640 Class 3 \uac04\uc758 \ub17c\uc7c1\uc774 \uc798\ubabb\ub41c \uc2e0\ub8b0\ub97c \ub9cc\ub4dc\ub294 \uc774\uc720\uc785\ub2c8\ub2e4. \uad6c\ub9e4\ud300\uc740 \uc2e4\ud328\ub85c\ubd80\ud130 \uba74\uc5ed\uc744 \uc5bb\ub294\ub2e4\uace0 \ubbff\uc73c\uba70 Class 3 \uacc4\uc57d\uc744 \uac15\ub825\ud788 \uc694\uad6c\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 Class 3\uc740 \ub2e8\uc9c0 \uc218\uc6a9 \uae30\uc900 \uc9d1\ud569\uc77c \ubfd0\uc785\ub2c8\ub2e4(\uc608: \ucd5c\uc18c \ub3c4\uae08 \ub450\uaed8, \ud658\ud615 \ub9c1 \ud3ed). Class 3 \uae30\uc900\uc744 \ubcf4\ub4dc\uc640 \ubb3c\ub9ac\uc801\uc73c\ub85c \ub2ee\uc9c0 \uc54a\uc740 \ucfe0\ud3f0\uc5d0 \uc801\uc6a9\ud558\uba74 \uc2e0\ub8b0\uc131\uc744 \uc0b0 \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uc81c\ud488\uacfc \ubb34\uad00\ud55c \ud3d0\uae30\ubb3c \uc870\uac01\uc5d0 \ub300\ud574 \ub9e4\uc6b0 \ube44\uc2f8\uace0 \uace0\ud488\uc9c8\uc758 \uac80\uc0ac\ub97c \uc0b0 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"the-paperwork-shield\">\uc11c\ub958\uc0c1\uc758 \ubc29\ud328<\/h2>\n\n\n<p>\uc65c \uc774\ub7f0 \uc77c\uc774 \ubc1c\uc0dd\ud560\uae4c\uc694? \ud488\uc9c8\uc5d0 \uc758\uc874\ud558\ub294 \uba85\uc131\uc744 \uac00\uc9c4 \uc81c\uc870\uc0ac\uac00 \uc65c \ubcf4\ub4dc\uc640 \ub9de\uc9c0 \uc54a\ub294 \ucfe0\ud3f0\uc744 \uc0ac\uc6a9\ud560\uae4c\uc694?<\/p>\n\n\n\n<p>\uc545\uc758\uac00 \uc6d0\uc778\uc778 \uacbd\uc6b0\ub294 \ub4dc\ubb45\ub2c8\ub2e4. \ubcf4\ud1b5\uc740 \uad00\uc131 \ubc0f \ud6a8\uc728\uc131 \ub54c\ubb38\uc785\ub2c8\ub2e4. IPC-2221 \ubaa8\ub378\uacfc \uac19\uc740 \ud45c\uc900 \ucfe0\ud3f0\uc740 \ubbf8\ub9ac \uc124\uacc4\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc218\uc775\uc744 \ucc3d\ucd9c\ud558\ub294 \uacf5\uac04\uc744 \ucc28\uc9c0\ud558\uc9c0 \uc54a\uace0 \ud328\ub110 \uacbd\uacc4\uc5d0 \uae54\ub054\ud558\uac8c \ub9de\uc2b5\ub2c8\ub2e4. \ub2e8\uba74 \uac00\uacf5\uc774 \uc27d\uace0 \ud604\ubbf8\uacbd\uc73c\ub85c \uc77d\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \uc2e4\ud5d8\uc2e4 \uae30\uc220\uc790\ub294 \ud55c \uad50\ub300\uc5d0 50\uac1c\uc758 \ud45c\uc900 \ucfe0\ud3f0\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcf5\uc7a1\ud55c \ubcf4\ub4dc \ud2b9\uc9d5\uc744 \ubaa8\ubc29\ud558\ub294 \ub9de\ucda4 \ucfe0\ud3f0\uc740 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc2dc\uac04\uc774 \ud544\uc694\ud558\uace0 \uacf5\uac04\uc744 \ub354 \ucc28\uc9c0\ud558\uba70 \uc0d8\ud50c\uc744 \ud30c\uad34\ud558\uc9c0 \uc54a\uace0 \uc5f0\ub9c8\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ub610\ud55c \uc5ed\uc124\uc801\uc778 \uc778\uc13c\ud2f0\ube0c\uac00 \uc791\uc6a9\ud569\ub2c8\ub2e4. \"\uace8\ub4e0 \ucfe0\ud3f0\"\u2014\ud1b5\uacfc\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \ucfe0\ud3f0\u2014\uc740 \uc0dd\uc0b0 \ub77c\uc778\uc744 \uacc4\uc18d \uc6c0\uc9c1\uc774\uac8c \ud569\ub2c8\ub2e4. \uacf5\uae09\uc5c5\uccb4\uac00 \uac00\uc7a5 \uc5b4\ub824\uc6b4 \ud2b9\uc9d5\uc744 \uc5c4\uaca9\ud788 \ubaa8\ubc29\ud558\ub294 \ucfe0\ud3f0\uc744 \uc0ac\uc6a9\ud558\uba74 \uc218\uc728\uc774 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4. \"\uacbd\uacc4\uc120\"\uc77c \uc218 \uc788\ub294 \ud328\ub110\uc744 \ud3d0\uae30\ud574\uc57c \ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uad00\ub300\ud55c \ucfe0\ud3f0\uc744 \uc0ac\uc6a9\ud568\uc73c\ub85c\uc368 \uc704\ud5d8\uc744 \ud3d0\uae30\ubb3c \ub354\ubbf8\uc5d0\uc11c \ud604\uc7a5 \ubc18\ud488\uc73c\ub85c \uc804\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ubb38\uc11c\ud654\ub294 \uc774 \ubc29\ud328\ub97c \uac15\ud654\ud569\ub2c8\ub2e4. \ud45c\uc900 CoC\ub294 IPC-6012 \uc900\uc218\ub97c \uba85\uc2dc\ud569\ub2c8\ub2e4. IPC-6012 \ubd80\ub85d A\uc758 \uc138\ubd80 \uc0ac\ud56d\uc744 \uc77d\uace0 \"A\/B \ucfe0\ud3f0\"(\uc124\uacc4\uc758 \ud2b9\uc815 \ube44\uc544 \uad6c\uc870\uc640 \uc77c\uce58\ud558\ub294 \ucfe0\ud3f0)\uc744 \uba85\uc2dc\uc801\uc73c\ub85c \uc694\uad6c\ud558\uc9c0 \uc54a\ub294 \ud55c, \uacf5\uae09\uc5c5\uccb4\ub294 \uae30\ubcf8 \uc2a4\ud2b8\ub9bd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uae30\uc220\uc801\uc73c\ub85c \uc900\uc218\ud55c \uac83\uc785\ub2c8\ub2e4. \uadf8\ub4e4\uc740 \ud45c\uc900\uc744 \ub530\ub790\uc9c0\ub9cc, \ud45c\uc900\uc740 \uc5b4\ub824\uc6b4 \ubd80\ubd84\uc744 \ud14c\uc2a4\ud2b8\ud558\ub3c4\ub85d \uac15\uc81c\ud558\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"engineering-the-truth\">\uc9c4\uc2e4\uc744 \uc124\uacc4\ud558\ub2e4<\/h2>\n\n\n<p>\uc774 \uc0ac\uc774\ud074\uc744 \uae68\ub294 \uc720\uc77c\ud55c \ubc29\ubc95\uc740 \uc81c\uc870 \uc9c0\uce68\uc744 \ud1b5\uc81c\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uacf5\uae09\uc5c5\uccb4\uac00 \uc790\ubc1c\uc801\uc73c\ub85c \uc791\uc5c5\uc744 \uc5b4\ub835\uac8c \ub9cc\ub4e4 \uac83\uc774\ub77c\uace0 \uae30\ub300\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ud14c\uc2a4\ud2b8 \ucfe0\ud3f0\uc774 \ub2e4\uc74c\uc5d0 \ub530\ub77c \uc0dd\uc131\ub418\ub3c4\ub85d \uba85\uc2dc\ud574\uc57c \ud569\ub2c8\ub2e4. <strong>IPC-6012 \ubd80\ub85d A<\/strong>. \uc774 \uba85\uc138\ub294 \ucfe0\ud3f0 \uc0dd\uc131\uc790\uac00 \ubcf4\ub4dc \ud30c\uc77c\uc744 \ubcf4\uace0 \"\uac00\uc7a5 \uc5b4\ub824\uc6b4 \ud2b9\uc9d5\"(\uac00\uc7a5 \uc791\uc740 \ub4dc\ub9b4, \uac00\uc7a5 \uc881\uc740 \ud53c\uce58, \uac00\uc7a5 \uae4a\uc740 \ube14\ub77c\uc778\ub4dc \ube44\uc544 \ub4f1)\uc744 \uc2dd\ubcc4\ud558\uc5ec \ud574\ub2f9 \ud2b9\uc9d5\uc744 \ubcf5\uc81c\ud558\ub294 \ucfe0\ud3f0\uc744 \uc0dd\uc131\ud558\ub3c4\ub85d \uac15\uc81c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc911\uc694\ud55c \uc0dd\uc0b0\u2014\ud56d\uacf5\uc6b0\uc8fc, \uc758\ub8cc, \ub610\ub294 \ub300\ub7c9 \uc790\ub3d9\ucc28\u2014\uc5d0\uc11c\ub294 \ub354 \ub098\uc544\uac00\uc57c \ud569\ub2c8\ub2e4. \ucfe0\ud3f0\uc774 \ud328\ub110 \uacbd\uacc4\ubfd0 \uc544\ub2c8\ub77c \ud328\ub110 \uc911\uc559, \ucd5c\uc18c\ud55c \ud65c\uc131 \uc601\uc5ed\uc5d0 \ubc30\uce58\ub418\ub3c4\ub85d \uc694\uad6c\ud558\uc2ed\uc2dc\uc624. \ub124, \uacf5\uac04\uc744 \ucc28\uc9c0\ud569\ub2c8\ub2e4. \ub124, \ud328\ub110\ub2f9 \ubcf4\ub4dc \uc218\uac00 \uc904\uc5b4\ub4ed\ub2c8\ub2e4. \uacf5\uae09\uc5c5\uccb4\ub294 \ubc18\ubc1c\ud560 \uac83\uc785\ub2c8\ub2e4. \ub2e8\uac00\uac00 \uc0c1\uc2b9\ud55c\ub2e4\uace0 \ub9d0\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774\ub54c \"\ud488\uc9c8 \ube44\uc6a9\"\uc744 \uc800\uc6b8\uc9c8\ud560 \uc21c\uac04\uc785\ub2c8\ub2e4. \uadf8 \ud328\ub110 \uacf5\uac04 \ube44\uc6a9\uc744 \uacc4\uc0b0\ud558\uc2ed\uc2dc\uc624\u2014\uc544\ub9c8\ub3c4 \ub2e8\uc704\ub2f9 \uba87 \ub2ec\ub7ec\uc77c \uac83\uc785\ub2c8\ub2e4. \uc774\uc81c \ud604\uc7a5 \ub9ac\ucf5c, \uc0dd\uc0b0 \uc911\ub2e8 \uc0c1\ud669, \ub610\ub294 \uc5d4\uc9c0\ub2c8\uc5b4 \ud300\uc774 \uacc4\uc57d \uc81c\uc870\uc5c5\uccb4\ub85c \ub0a0\uc544\uac00 \"\uc720\ub839\" \uace0\uc7a5\uc744 \ub514\ubc84\uae45\ud558\ub294 \ube44\uc6a9\uc744 \uacc4\uc0b0\ud558\uc2ed\uc2dc\uc624. \uc9c4\uc2e4\ud55c \ucfe0\ud3f0\uc758 \ud3d0\uae30 \ube44\uc6a9\uc740 \uac70\uc9d3 \ud1b5\uacfc\uc758 \ucc45\uc784\ubcf4\ub2e4 \ud6e8\uc52c \uc800\ub834\ud55c \ubcf4\ud5d8\ub8cc\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc5ec\uae30\uc5d0\ub294 \ubbf8\ubb18\ud568\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubd80 \ucd5c\uc0c1\uc704 \uc81c\uc870\uc0ac\ub294 \uc7a0\uc7ac \uacb0\ud568\uc744 \uac10\uc9c0\ud558\ub294 \ub2a5\ub825\uc5d0\uc11c IPC \ud45c\uc900\uc744 \ub2a5\uac00\ud558\ub294 \ub3c5\uc790\uc801\uc778 \ub0b4\ubd80 \ucfe0\ud3f0\uc744 \uac1c\ubc1c\ud588\uc2b5\ub2c8\ub2e4. \uacf5\uae09\uc5c5\uccb4\uac00 \"\ub354 \ub098\uc740\" \ub0b4\ubd80 \uc2dc\uc2a4\ud15c\uc774 \uc788\ub2e4\uace0 \ucfe0\ud3f0 \uc694\uccad\uc5d0 \ubc18\ubc1c\ud558\uba74 \uadf8\ub4e4\uc758 \ub9d0\uc744 \ub4e3\ub418 \uac80\uc99d\ud558\uc2ed\uc2dc\uc624. \ucfe0\ud3f0 \ubbfc\uac10\ub3c4\uc5d0 \ub300\ud55c \uae30\uc220 \ub370\uc774\ud130\ub97c \uc694\uccad\ud558\uc2ed\uc2dc\uc624. \uadf8\ub4e4\uc774 \ub2f9\uc2e0\uc774 \uad00\uc2ec \uc788\ub294 \uacb0\ud568\uc744 \uc7a1\uc544\ub0b8\ub2e4\ub294 \uac83\uc744 \uc99d\uba85\ud560 \uc218 \uc788\ub2e4\uba74 \ud5c8\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \"\uc6b0\ub9ac\ub294 \ud56d\uc0c1 \uc774\ub807\uac8c \ud574\uc654\ub2e4\"\ub294 \uc720\ud6a8\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ub17c\uac70\uac00 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uad81\uadf9\uc801\uc73c\ub85c, \ub9c8\uc774\ud06c\ub85c\uc139\uc158 \ubcf4\uace0\uc11c\ub294 \ud30c\uad34\ud558\ub294 \uc0d8\ud50c\ub9cc\ud07c\uc758 \uac00\uce58\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ud504\ub85c\uc138\uc2a4\ub97c \uac00\uc7a5 \uc26c\uc6b4 \uacbd\ub85c\ub85c \uae30\ubcf8 \uc124\uc815\ud558\uba74 \uc81c\ud488\uc744 \ud14c\uc2a4\ud2b8\ud558\ub294 \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ubcf4\ub4dc\uc5d0 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294 \uad6c\uba4d\uc744 \ub3c4\uae08\ud558\ub294 \uacf5\uae09\uc5c5\uccb4\uc758 \ub2a5\ub825\uc744 \ud14c\uc2a4\ud2b8\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uae30\ud558\ud559\uc801 \uad6c\uc870\uac00 \ud604\uc2e4\uacfc \uc77c\uce58\ud558\ub3c4\ub85d \uac15\uc81c\ud558\uba74, \ubcf4\uace0\uc11c\ub294 \ub9c8\uce68\ub0b4 \uc9c4\uc2e4\uc744 \ub9d0\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\uace8\ub4e0 \ucfe0\ud3f0 \uc5ed\uc124\uc740 \ud569\uaca9\ud55c CoC\uac00 \uc2e4\ud328\ud55c \ubcf4\ub4dc\ub97c \uc228\uae38 \uc218 \uc788\uc74c\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc26c\uc6b4 \uae30\ud558\ud559\ub9cc \ubc18\uc601\ud558\ub294 \ucfe0\ud3f0\uc740 \uc5b4\ub824\uc6b4 \uc9c4\uc2e4\uc744 \ub193\uce58\uace0 \ud604\uc7a5 \ub9ac\ucf5c\uc744 \ucd08\ub798\ud569\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":10544,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"","glossary_alter":"","glossary_def":"","article_task":"When microsection results are useless because the wrong coupon was 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