{"id":9901,"date":"2025-11-04T09:14:42","date_gmt":"2025-11-04T09:14:42","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=9901"},"modified":"2025-11-05T06:04:16","modified_gmt":"2025-11-05T06:04:16","slug":"dfm-mixed-qfn-bga-layouts","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/ko\/dfm-%ed%98%bc%ed%95%a9-qfn-bga-%eb%a0%88%ec%9d%b4%ec%95%84%ec%9b%83\/","title":{"rendered":"\ud63c\ud569 QFN \ubc0f Micro-BGA \ub808\uc774\uc544\uc6c3\uc5d0 \ub300\ud55c \uc7ac\uc2dc\uc791\uc744 \ubc29\uc9c0\ud558\ub294 DFM \uc774\ub3d9"},"content":{"rendered":"<p>\ubcf4\ub4dc \uc7ac\uc0dd\uc0b0 \ube44\uc6a9\uc740 \ubd88\ub7c9 \ud310\ub12c\uacfc \uc9c0\uc5f0 \uc77c\uc815 \uadf8 \uc774\uc0c1\uc785\ub2c8\ub2e4. \ucffc\ub4dc \ud50c\ub7ab \ub178\ub9ac\ub4dc(QFN)\uc640 \ub9c8\uc774\ud06c\ub85c \ubcfc \uadf8\ub9ac\ub4dc \uc5b4\ub808\uc774(BGA) \ud328\ud0a4\uc9c0\uac00 \ud63c\ud569\ub41c \uc81c\ud488\uc758 \uacbd\uc6b0, \ucd5c\ucd08 \uc81c\uc791 \uc218\uc728 \uc808\ubcbd\uc740 \ub300\ubd80\ubd84\uc758 \uc124\uacc4\ud300\uc774 \uc608\uc0c1\ud558\ub294 \uac83\ubcf4\ub2e4 \uac00\ud30c\ub985\ub2c8\ub2e4. \uc774 \ub450 \ud328\ud0a4\uc9c0 \uacc4\uc5f4\uc740 \uc778\uc1c4, \ubd80\ud488 \ubc30\uce58, \ub9ac\ud50c\ub85c\uc6b0 \ud6c4 \uac80\uc0ac \ub4f1 \uc81c\uc870\uc758 \uac70\uc758 \ubaa8\ub4e0 \uce21\uba74\uc5d0 \uc0c1\ucda9\ud558\ub294 \uc694\uad6c\ub97c \ubd80\uacfc\ud569\ub2c8\ub2e4. QFN\uc758 \ud070 \uc5f4\uc804 \ud328\ub4dc\uc5d0 \ucd5c\uc801\ud654\ub41c \uc2a4\ud150\uc2ac \uc870\uc808\uad6c\ub294 \ub9c8\uc774\ud06c\ub85c BGA\uc758 \ubbf8\uc138 \uac04\uaca9 \ubcfc\uc744 \ub0a9\ub55c\uc5d0 \uc7a0\uae30\uac8c \ud569\ub2c8\ub2e4. \uc815\uaddc \uc870\ub9bd\uc5d0 \ucda9\ubd84\ud55c \ubcf4\ub4dc \ub808\uc77c\uc740 \ubb34\uac70\uc6b4 \uc2a4\ud150\uc2e4\uc774 \ub450 \ud328\ud0a4\uc9c0 \ud0c0\uc785\uc744 \uac00\ub85c\uc9c0\ub97c \ub54c \ud544\uc694\ud55c \uac15\uc131\uc744 \uac16\ucd94\uc9c0 \ubabb\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774 \ucda9\ub3cc\uc740 \ud328\ud0a4\uc9c0 \uc790\uccb4\uc5d0 \ubfcc\ub9ac\ub97c \ub450\uace0 \uc788\uc2b5\ub2c8\ub2e4. QFN\uc740 \ud55c\ucabd \uba74\uc774 5mm \uc774\uc0c1\uc778 \ud070 \uc5f4\uc804 \ud328\ub4dc\uc5d0 \uace0\uc6a9\ub7c9\uc758 \ud398\uc774\uc2a4\ud2b8\ub97c \uc694\uad6c\ud558\uba70, 0.4mm \uc774\ud558\uc758 \ud53c\uce58\ub85c \uc8fc\uc704 \ud328\ub4dc\uc5d0 \uc815\ubc00\ud55c \uc801\uc7ac\ub97c \uc694\uad6c\ud569\ub2c8\ub2e4. \ubc18\uba74 \ub9c8\uc774\ud06c\ub85c BGA\ub294 \uc218\ubc31 \uac1c\uc758 \ub0a9\ub55c \ubcfc\uc744\uc791\uc740 \ud06c\uae30\uc758 \ud48b\ud504\ub9b0\ud2b8\uc5d0 \ubc30\ud3ec\ud558\uba70, \ud53c\uce58\ub294 0.5mm \uc774\ud558\ub85c \uc791\uc740\ub370, \uc791\uc740 \uc815\ub82c \uc624\ucc28\ub3c4 \uc624\ud508 \ub610\ub294 \ube0c\ub9ac\uc9c0\ub97c \uc720\ubc1c\ud569\ub2c8\ub2e4. \uc774 \ub458\uc774 \uacf5\ud1b5 \uc2a4\ud150\uc2ac\uacfc \ubc30\uce58 \ud328\uc2a4\ub97c \uacf5\uc720\ud560 \ub54c, \ub808\uc774\uc544\uc6c3\uc740 \uc758\ub3c4\uc801\uc774\uace0 \ub54c\ub85c\ub294 \uc9c1\uad00\uc5d0 \ubc18\ud558\ub294 DFM\uc744 \ud1b5\ud574 \uc774\ub7ec\ud55c \uc694\uad6c\ub97c \uc870\ud654\uc2dc\ucf1c\uc57c \ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \ud53c\ud560 \uc218 \uc788\ub294 \ucd5c\ucd08 \uc81c\uc791 \uc2e4\ud328\ub294 \ud398\uc774\uc2a4\ud2b8 \uc870\uc808\uad6c \uc870\uc815, Via-in-Pad \uc2e4\ud589, \uc5b8\ub354\ud544 \ud0b5\uc544\uc6c3 \uacc4\ud68d, \ubcf4\ub4dc \ub808\uc77c \uce58\uc218, \uae30\uc900\uc120 \ubc30\uce58\ub77c\ub294 \ub2e4\uc12f \uac00\uc9c0 \ud2b9\uc815 \uacb0\uc815 \ud3ec\uc778\ud2b8\uc5d0\uc11c \uae30\uc778\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"why-mixedpackage-layouts-hit-the-firstbuild-yield-cliff\">\uc65c \ud63c\ud569 \ud328\ud0a4\uc9c0 \ub808\uc774\uc544\uc6c3\uc774 \ucd5c\ucd08 \ube4c\ub4dc \uc218\uc728 \uc808\ubcbd\uc744 \ucd08\ub798\ud558\ub294\uac00<\/h2>\n\n\n<p>QFN\uc758 \ub178\ucd9c\ub41c \uc5f4 \ud328\ub4dc\ub294 \uc545\uba85 \ub192\uc740 \uc870\ub9bd \ub09c\uc81c\uc785\ub2c8\ub2e4. \uc774 \ud328\ub4dc\ub294 \ud328\ud0a4\uc9c0 \ubc1c footprint\uc758 40~60%\ub97c \ucc28\uc9c0\ud560 \uc218 \uc788\uc73c\uba70, \uc5f4\uc801 \ubc0f \uc804\uae30\uc801 \uc131\ub2a5\uc744 \uc704\ud574 \uacac\uace0\ud55c \ub0a9\ub55c \uc811\ud569\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774\ub294 \ucda9\ubd84\ud55c \ub0a9\ub55c\ub7c9\uc774 \uc911\uc694\ud558\ub2e4\ub294 \uc758\ubbf8\uc774\uc9c0\ub9cc, \ud37c\uc2a4\ud2b8\ub294 \uc7ac\uc720\ub9ac\uc5c6\uc774 \uc7ac\ubc30\uc5f4\ud558\uac70\ub098 \ud328\ud0a4\uc9c0\uac00 \ub728\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\uba74\uc11c \uc7ac\uc720\ub9ac\ub97c \ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \ud328\ub4dc \uc8fc\ubcc0\uc5d0\ub294 \ubbf8\uc138 \ud53c\uce58 \uc8fc\ubcc0 \ub9ac\ub4dc\ub4e4\uc774 \uc2ac\ub7fc\ud551\uc774\ub098 \ube0c\ub9ac\uc9c0\uc758 \uc704\ud5d8\uc744 \ucd5c\uc18c\ud654\ud558\uba74\uc11c \uc815\ubc00\ud55c \ud37c\uc2a4\ud2b8 \ub514\ud3ec\uc9d3\uc744 \uc694\uad6c\ud569\ub2c8\ub2e4. \uc774 \ud328\ud0a4\uc9c0\ub294 \ubcf8\uc9c8\uc801\uc73c\ub85c \ud558\ub098\uc758 footprint \ub0b4\uc5d0 \ub450 \uac00\uc9c0 \ubcc4\uac1c\uc758 \uc870\ub9bd \ubb38\uc81c\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ub9c8\uc774\ud06c\ub85c BGA\ub294 \ub2e4\ub978 \uc81c\uc57d \uc870\uac74\uc744 \ubd80\uacfc\ud569\ub2c8\ub2e4. \uc0ac\uc804 \ubd80\ucc29\ub41c \ub0a9\ub55c \ubcfc\uacfc \ud568\uaed8, \ubcc0\uc218\ub294 \ud398\uc774\uc2a4\ud2b8 \uc778\uc1c4\uc5d0\uc11c \ubc30\uce58 \uc815\ud655\ub3c4\uc5d0\uac8c\ub85c \uc804\ud658\ub429\ub2c8\ub2e4. 0.5mm \ud53c\uce58 BGA\ub294 \ubaa9\ud45c\ub97c \ub193\uce58\uae30 \uc804\uc5d0 0.1mm\uc758 \uc624\ucc28\ub9cc \ud5c8\uc6a9\ub429\ub2c8\ub2e4. \ud06c\uae30\uac00 0.25~0.3mm\uc778 \uc791\uc740 \ud328\ub4dc\uc5d0\ub294 \ub3d9\uc77c\ud558\uac8c \uc791\uc740 \uc815\ubc00 \ud398\uc774\uc2a4\ud2b8 \uc801\uc7ac\uac00 \ud544\uc694\ud558\uba70, \uacfc\ub3c4\ud55c \ud398\uc774\uc2a4\ud2b8\ub294 \ube0c\ub9ac\uc9c0\ub97c \uc720\ubc1c\ud558\uace0, \ub108\ubb34 \uc801\uc73c\uba74 \uc870\uc778\ud2b8\uac00 \uc57d\ud574\uc9c0\uac70\ub098 \uc624\ud508\uc774 \uc0dd\uae38 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc624\ucc28 \ud5c8\uc6a9 \ubc94\uc704\ub294 \ubaa9\ud45c \ubd80\ud53c\uc758 \u00b110%\ub85c \uc881\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774 \ud328\ud0a4\uc9c0\uac00 \uacf5\uc874\ud560 \ub54c, QFN \uc5f4\uc804 \ud328\ub4dc\uc5d0 \uc801\ud569\ud55c \ub450\uaebc\uc6b4 \uc2a4\ud150\uc2ac\uc740 \ub9c8\uc774\ud06c\ub85c BGA \ud328\ub4dc\uc5d0 \uacfc\ub3c4\ud55c \ud398\uc774\uc2a4\ud2b8 \uc801\uc7ac\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. BGA\uc5d0 \ucd5c\uc801\ud654\ub41c \uc587\uc740 \uc2a4\ud150\uc2ac\uc740 QFN\uc744 \ube48\uc57d\ud558\uac8c \ub9cc\ub4ed\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ucda9\ub3cc\uc774 \ubb34\uc2dc\ub420 \ub54c \uc218\uc728 \uc808\ubcbd\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. QFN \uc5f4\uc804 \ud328\ub4dc\uc758 \ub0a9\ub55c \uc870\uc778\ud2b8\ub294 25%\ub97c \ucd08\uacfc\ud558\ub294 \uacf5\uadf9\uc744 \ubcf4\uc5ec IPC-A-610 Class 3 \uae30\uc900\uc5d0 \uc704\ubc30\ub429\ub2c8\ub2e4. \ub9c8\uc774\ud06c\ub85c BGA \ubc30\uc5f4\uc740 \ub0b4\ubd80 \ud589\uc5d0\uc11c \ube0c\ub9ac\uc9c0\ub97c \ubcf4\uc774\uac70\ub098 \ubaa8\uc11c\ub9ac \ubcfc\uc5d0\uc11c \uc624\ud508\uc774 \ub098\ud0c0\ub098\uba70, \uc774\ub294 \uc6b0\uc5f0\ud55c \uacb0\ud568\uc774 \uc544\ub2c8\ub77c \uc608\uce21 \uac00\ub2a5\ud55c DFM \uc2e4\uc218\uc5d0 \ubfcc\ub9ac\ub97c \ub454 \uacb0\uc815\ub860\uc801 \uc2e4\ud328\uc785\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"paste-aperture-tuning-balancing-two-worlds\">\uac1c\uad6c\uacbd \uc870\uc815: \ub450 \uc138\uacc4\uc758 \uade0\ud615 \uc7a1\uae30<\/h2>\n\n\n<p>\ub0a9\ub55c \ud398\uc774\uc2a4\ud2b8 \uc591\uc740 \uc870\uc778\ud2b8 \ud488\uc9c8\uc744 \uacb0\uc815\ud558\uba70, \uc774\ub294 \uc2a4\ud150\uc2ac \uc870\uc808\uad6c \uc124\uacc4\uc5d0 \uc758\ud574 \uc81c\uc5b4\ub429\ub2c8\ub2e4. \uc591\uc740 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc870\uc778\ud2b8\ub97c \ud615\uc131\ud560 \ub9cc\ud07c \ucda9\ubd84\ud574\uc57c \ud558\uba70, \uc2a4\ud150\uc2ac\uc5d0\uc11c \uae68\ub057\ud558\uac8c \ubc29\ucd9c\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ud63c\ud569 \ud328\ud0a4\uc9c0 \ubcf4\ub4dc\uc758 \uacbd\uc6b0, \ub450 \ubaa9\ud45c \ubaa8\ub450\ub97c \ub2ec\uc131\ud558\ub824\uba74 \uc870\uc808\uad6c \uce58\uc218\uc640 \uc2a4\ud150\uc2ac \ub450\uaed8\uc758 \uc2e0\uc911\ud55c \uc870\uc815\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\uc601\uc5ed \ube44\uc728\uc740 \ud398\uc774\uc2a4\ud2b8 \ubc29\ucd9c\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/strong> \uc870\uc808\uad6c \uba74\uc801\uacfc \ubcbd\uba74 \uba74\uc801\uc758 \ube44\uc728\uc740 0.66 \uc774\uc0c1\uc774\uc5b4\uc57c \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ud398\uc774\uc2a4\ud2b8 \ubc29\ucd9c\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc774\ubcf4\ub2e4 \ub0ae\uc73c\uba74 \ud398\uc774\uc2a4\ud2b8\uac00 \uc2a4\ud150\uc2ac \ubcbd\uba74\uc5d0 \ub2ec\ub77c\ubd99\uc5b4 \uae68\ub057\ud558\uac8c \uc81c\ub300\ub85c \ubc29\ucd9c\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. 0.125mm \ub450\uaed8\uc758 \uc2a4\ud150\uc2ac\uc740 0.25mm \uc9c1\uacbd\uc758 \ub9c8\uc774\ud06c\ub85c BGA \ud328\ub4dc\uc5d0 \uc778\uc1c4\uc2dc \uba74\uc801 \ube44\uc728\uc774 \ub300\ub7b5 0.5\ub85c, \uc784\uacc4\uac12\ubcf4\ub2e4 \ud6e8\uc52c \ub0ae\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc120\ud0dd\uc758 \ubb38\uc81c\ub97c \uac15\uc694\ud558\ub294\ub370, \uc791\uc740 \ud328\ub4dc\uc758 \ube44\uc728\uc744 \uac1c\uc120\ud558\uae30 \uc704\ud574 \uc2a4\ud150\uc2ac \ub450\uaed8\ub97c \uc904\uc774\uac70\ub098, \ub354 \ud070 \uc870\uc808\uad6c\ub97c \ubc1b\uc544\ub4e4\uc5ec \ud398\uc774\uc2a4\ud2b8 \uacfc\uc801\uc7ac\ub97c \uac10\uc218\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\uc2a4\ud150\uc2ac \ub450\uaed8\ub294 \ud544\uc218\uc801\uc778 \ud0c0\ud611\uc785\ub2c8\ub2e4.<\/strong> QFN \uc5f4\uc804 \ud328\ub4dc\ub294 \ub450\uaebc\uc6b4 \uc2a4\ud150\uc2ac(0.150mm \uc774\uc0c1)\uc5d0\uc11c \uc774\uc810\uc744 \ubcf4\uc774\uace0, \ub9c8\uc774\ud06c\ub85c BGA\ub294 \ub354 \uc587\uc740 \uac83(0.100~0.125mm)\uc5d0\uc11c \ub354 \ub098\uc740 \uc131\ub2a5\uc744 \ubc1c\ud718\ud569\ub2c8\ub2e4. \ub458\uc774 \ud558\ub098\uc758 \uc2a4\ud150\uc2ac\uc744 \uacf5\uc720\ud560 \ub54c\ub294, \ub354 \uc81c\uc57d\uc774 \uc2ec\ud55c \ubd80\ud488\uc5d0 \ub9de\ucdb0 \uc124\uacc4\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \ubcf4\ud1b5 0.125mm \ub450\uaed8\ub97c \uc120\ud0dd\ud558\uace0, QFN \uc5f4\uc804 \ud328\ub4dc\uc758 \uc870\uc808\uad6c \uba74\uc801\uc744 \uc904\uc5ec\uc11c \uc870\uc808\uad6c \ud06c\uae30\ub97c \ucd5c\uc18c\ud654\ud569\ub2c8\ub2e4. \uc774\ub294 \uc5f4\uc804 \ud328\ub4dc\uc5d0 \uc801\uc740 \ud398\uc774\uc2a4\ud2b8\ub97c \uacf5\uae09\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud558\uc9c0\ub9cc, BGA\uc758 \uc131\ub2a5\uc740 \uc720\uc9c0\ub429\ub2c8\ub2e4. QFN \uc5f4\uc804 \uc131\ub2a5\uc774 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc124\uacc4\ub294 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 \uc774\uc911 \uc778\uc1c4 \uacf5\uc815\uc744 \ud1b5\ud574 \ub450 \uac1c\uc758 \uc2a4\ud150\uc2ac\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\ub3c4 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/qfn_thermal_pad_aperture_design.jpg\" alt=\"\uc911\uc559 \uc5f4 \ud328\ub4dc\uc6a9 \ud06c\uae30\uac00 \ud070 \uc194\ub354 \ud398\uc774\uc2a4\ud2b8 \uac1c\uad6c \ud558\ub098\uc640 \uc138\ubd84\ud654\ub41c \uadf8\ub9ac\ub4dc\uc758 \ube44\uad50 \ub2e4\uc774\uc5b4\uadf8\ub7a8\" title=\"QFN \uc5f4 \ud328\ub4dc\uc6a9 \uc138\ubd84\ud654\ub41c \uc194\ub354 \ud398\uc774\uc2a4\ud2b8 \uac1c\uad6c\"\/><figcaption class=\"wp-element-caption\">\uc138\ubd84\ud654\ub41c \uac1c\uad6c \ud328\ud134(\uc624\ub978\ucabd)\uc774 \ub0a9\ub55c \ud398\uc774\uc2a4\ud2b8 \ubc30\ucd9c\uc744 \uac1c\uc120\ud558\uace0 \ud50c\ub7ed\uc2a4\uac00 \ube60\uc838\ub098\uac08 \uc218 \uc788\uac8c \ud558\uc5ec QFN \ud328\ud0a4\uc9c0 \uc544\ub798\uc758 \uacf5\uadf9\uc744 \uc904\uc5ec\uc90d\ub2c8\ub2e4.<\/figcaption><\/figure>\n<\/div>\n\n\n<p><strong>\uc5f4 \ud328\ub4dc \uac1c\uad6c\ub294 \uc758\ub3c4\uc801\uc73c\ub85c \ucd95\uc18c\ud574\uc57c \ud569\ub2c8\ub2e4.<\/strong> \uc77c\ubc18\uc801\uc778 \uc9c0\uce68\uc740 QFN \uc5f4 \ud328\ub4dc \uac1c\uad6c \uba74\uc801\uc744 \uc2e4\uc81c \ud328\ub4dc\uc758 50-80%\ub85c \uc904\uc774\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub294 \uc7ac\ud50c\ub85c\uc6b0 \ub3d9\uc548 \ud328\ud0a4\uc9c0\uac00 \uacfc\ub2e4 \ub0a9\ub55c \uc704\uc5d0 \ub728\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\uace0 \uc138\ubd84\ud654\ub41c \uac1c\uad6c \ud328\ud134\uc744 \ud5c8\uc6a9\ud569\ub2c8\ub2e4. \uc791\uc740 \uac1c\uad6c \ubd88\uaddc\uce59\ub9dd\uc740 \ud558\ub098\uc758 \ud070 \ucc3d\ubb38\ubcf4\ub2e4 \ud398\uc774\uc2a4\ud2b8 \ubc30\ucd9c\uc744 \uac1c\uc120\ud558\uace0 \ud3ec\ud68d\ub41c \ud50c\ub7ed\uc2a4\uc758 \ubc30\ucd9c \uacbd\ub85c\ub97c \uc81c\uacf5\ud558\uc5ec \uacf5\uadf9\uc744 \uc904\uc785\ub2c8\ub2e4. 5mm \uc5f4 \ud328\ub4dc\uc758 \uc77c\ubc18\uc801\uc778 \uacbd\uc6b0 3\u00d73 \uadf8\ub9ac\ub4dc\uc758 1.0mm \uc815\uc0ac\uac01\ud615 \uac1c\uad6c\ub97c \uc0ac\uc6a9\ud558\ub294\ub370, \uc774\ub294 \uc801\uc808\ud55c \ub0a9\ub55c \uc591\uc744 \uc81c\uacf5\ud558\uba74\uc11c \uacf5\uc815 \uc81c\uc5b4\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc6b0\ub9ac\uc758 \uad8c\uc7a5 \uc0ac\ud56d\uc740 \ub9c8\uc774\ud06c\ub85c-BGA\ub97c \uc6b0\uc120\uc2dc\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc778\uc1c4 \ud574\uc0c1\ub3c4\ub97c \uc704\ud574 \ub354 \uc587\uc740 \uc2a4\ud150\uc2e4\uc744 \uc120\ud0dd\ud558\uace0, \ud328\ub4dc \ub0b4 \ube44\uc544 \uc124\uacc4\uc640 \uc2e0\uc911\ud55c \uac1c\uad6c \uc138\ubd84\ud654\ub97c \ud1b5\ud574 QFN \uc5f4 \uc131\ub2a5\uc744 \ud68c\ubcf5\ud558\uc138\uc694. \uc774 \ubc29\ubc95\uc740 \uc7ac\uc791\uc5c5\uc774 \uac00\uc7a5 \uc5b4\ub824\uc6b4 \uacb0\ud568\uc778 BGA \ube0c\ub9ac\uc9d5\uc744 \ucd5c\uc18c\ud654\ud558\uba74\uc11c QFN \uc5f4 \ud328\ub4dc \ub0a9\ub55c\ub7c9\uc758 \uad00\ub9ac \uac00\ub2a5\ud55c \uac10\uc18c\ub97c \ud5c8\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"viainpad-nonnegotiable-rules-and-practical-limits\">Via-in-Pad: \ud611\uc0c1 \ubd88\uac00\ud55c \uaddc\uce59\uacfc \uc2e4\uc6a9 \ud55c\uacc4<\/h2>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/via_in_pad_pcb_cross_section.jpg\" alt=\"\ub3c4\uc804\uccb4\uc640 Ground \ud3c9\ud3c9\uc73c\ub85c \uc644\uc804\ud788 \ucc44\uc6cc\uc9c4 via \ubc30\ub7f4\uc774 \ubcf4\uc5ec\uc8fc\ub294 PCB\uc758 \uc138\ubd80 \ub2e8\uba74\ub3c4, \uc194\ub354 \uc870\uc778\ud2b8\ub97c \uc704\ud55c \uc2e0\ub8b0\uc131 \ub192\uc740 \ud45c\uba74\uc744 \ub9cc\ub4ed\ub2c8\ub2e4.\" title=\"\ucda9\uc804\ub418\uace0 \ud3c9\ud0c4\ud654\ub41c Via-in-Pad\uc758 \ub2e8\uba74\"\/><figcaption class=\"wp-element-caption\">\uad6c\ub9ac \ucda9\uc804 \ubc0f \ud3c9\ud3c9\ud558\uac8c \uac00\uacf5\ub41c \ube44\uc544 \ub0b4\ubd80\ub294 \uac00\uc7a5 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc73c\ub85c, \ub0a9\ub55c \uc561\uc774 \uc2a4\uba70\ub4dc\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\uace0 \uacac\uace0\ud55c \uc5f0\uacb0\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\ubd80\ud488 \ud328\ub4dc \ub0b4\ubd80\uc758 \ube44\uc544\ub294 QFN \uc5f4 \uad00\ub9ac\uc640 \ub9c8\uc774\ud06c\ub85c-BGA \ubc30\ucd9c \ub77c\uc6b0\ud305\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\uba70, \uc81c\ub300\ub85c \ucc98\ub9ac\ud558\uc9c0 \uc54a\uc73c\uba74 \uc2e0\ub8b0\uc131 \uc704\ud5d8\uc774 \ud07d\ub2c8\ub2e4. \uc7ac\ud50c\ub85c\uc6b0 \uc2dc \ube44\uc544 \ubc30\ub7f4\uc740 \ub0a9\ub55c\uc744 \uc640\ud0a4\uc2dc\ud0ac \uc218 \uc788\uace0, \ub3d9\uc2dc\uc5d0 \ud3ec\ud68d\ub41c \uacf5\uae30\uc640 \ud50c\ub7ed\uc2a4\uac00 \uac00\uc2a4\ub97c \ubc30\ucd9c\ud558\uc5ec \uacf5\uadf9\uc744 \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ub450 \uae30\uc791 \ubaa8\ub450 \uc811\ud569\ubd80\uc758 \ud488\uc9c8\uc744 \uc800\ud558\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\uad6c\ub9ac \ucda9\uc804 \ubc0f \ud3c9\ud3c9\ud558\uac8c \uac00\uacf5\ub41c \ube44\uc544 \ucc98\ub9ac \ubc29\ubc95\uc774 \uac00\uc7a5 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc194\ub8e8\uc158\uc785\ub2c8\ub2e4.<\/strong> \uc5ec\uae30\uc11c, \ube44\uc544 \ubc30\ub7f4\uc740 \uad6c\ub9ac\ub85c \ub3c4\uae08\ub418\uc5b4 \uc644\uc804\ud788 \ucc44\uc6cc\uc9c0\uace0 \ud45c\uba74\uc740 \ud3c9\ud3c9\ud558\uac8c \uc5f0\ub9c8\ub429\ub2c8\ub2e4. \uc774\ub294 \uac00\uc2a4 \ubc30\ucd9c \uacbd\ub85c\ub97c \uc81c\uac70\ud558\uace0 \ub0a9\ub55c \uc640\ud0a4\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uc0ac\uc591\uc740 \ucc44\uc6c0 \ube44\uc728 95% \uc774\uc0c1\uacfc \uc6d0\ud558\ub294 \ud45c\uba74 \ub9c8\uac10\uc5d0 \ub300\ud574 PCB \uc81c\uc791\uc0ac\uc5d0 \uba85\ud655\ud558\uac8c \uc804\ub2ec\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc81c\uc791 \uc5c5\uccb4\ub294 \uc774 \uacfc\uc815\uc744 IPC-4761 \ub610\ub294 IPC-6012 \ud074\ub77c\uc2a4 3 \uae30\uc900\uc73c\ub85c \uc778\uc99d\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\ube44\uc804\ub3c4\uc131 \ucda9\uc804\uc7ac\ub294 \ube44\uc6a9\uc774 \uc801\uac8c \ub4dc\ub294 \ub300\uc548\uc785\ub2c8\ub2e4.<\/strong> \uc5d0\ud3ed\uc2dc \ud50c\ub7ec\uadf8\ub294 \ube44\uc544\ub97c \ubc00\ubd09\ud558\uc5ec \uac00\uc2a4 \ubc30\ucd9c\uc744 \ucc28\ub2e8\ud558\uc9c0\ub9cc, \uc644\uc804 \uad6c\ub9ac \ucda9\uc804\ub9cc\ud07c \ub0a9\ub55c \uc640\ud0a4\ub97c \ubc29\uc9c0\ud558\uc9c0\ub294 \ubabb\ud569\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc740 \ub35c \uae4c\ub2e4\ub85c\uc6b4 Class 2 \uc870\ub9bd\ud488\uc758 QFN \uc5f4 \ud328\ub4dc\uc5d0 \ub300\ud574 \ubc1b\uc544\ub4e4\uc5ec\uc9c8 \uc218 \uc788\uc9c0\ub9cc, \ud398\uc774\uc2a4\ud2b8 \uc591\uc774 \ud6e8\uc52c \ub354 \uc81c\ud55c\ub41c \ub9c8\uc774\ud06c\ub85c-BGA\uc758 \uacbd\uc6b0 \uc57d\uc810\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"when-your-fabricator-cant-guarantee-full-via-fill\">\uc804\uccb4 \ube44\uc544 \ucda9\uc804\uc744 \ubcf4\uc7a5\ud558\uc9c0 \ubabb\ud558\ub294 \uacbd\uc6b0<\/h3>\n\n\n<p>\uc804\uccb4 \ucc44\uc6b0\uae30\uac00 \uac00\ub2a5\ud558\uac70\ub098 \uc2e4\uc6a9\uc801\uc774\uc9c0 \uc54a\uc740 \uacbd\uc6b0 \uc124\uacc4\ub294 \uc801\uc751\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ube44\uc544 \ud150\ud305:<\/strong> \ube44\uc544 \uac1c\uad6c\ubd80 \uc704\uc5d0 \uc194\ub354 \ub9c8\uc2a4\ud06c\ub97c \uc801\uc6a9\ud558\uba74 \ubd80\ubd84\uc801 \ucc28\ub2e8\ub9c9\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud328\ub4dc \ubc14\ub85c \uc544\ub798 \uc0c1\ub2e8\uc758 \ubcf4\ub4dc\ub97c \ud150\ud305\ud558\ub294 \uac83\uc774 \uac00\uc7a5 \ud6a8\uacfc\uc801\uc774\uc9c0\ub9cc, \uc194\ub354 \ub9c8\uc2a4\ud06c \uc815\ud569 \uc815\ud655\ub3c4\uc5d0 \ud06c\uac8c \uc758\uc874\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud50c\ub7ec\uae45:<\/strong> \ube44\uc804\ub3c4\uc131 \ud398\uc774\uc2a4\ud2b8\ub97c \ud1b5\ud574 \ube44\uc544\ub97c \ub9c9\ub294 \uac83\uc774 \ud150\ud305\ubcf4\ub2e4 \ub0ab\uc9c0\ub9cc \uc644\uc804 \ucda9\uc9c4\uc5d0\ub294 \ubbf8\uce58\uc9c0 \ubabb\ud55c\ub2e4. \ud50c\ub7ec\uadf8\uac00 \ud3c9\uba74\ud654\ub418\uc9c0 \uc54a\uc544 \ud45c\uba74 \uc624\ubaa9\ud568\uc774 \ub0a8\uc744 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \ud398\uc774\uc2a4\ud2b8 \uc778\uc1c4 \uc77c\uad00\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uace0 \ubbf8\ud06c\ub85c BGA\uc758 \ud070 \uc704\ud5d8 \uc694\uc18c\uc774\ub2e4.<\/li>\n\n\n\n<li><strong>Open Vias \uc218\uc6a9:<\/strong> \uc774\uac83\uc740 \ub9c8\uc9c0\ub9c9 \uc218\ub2e8\uc73c\ub85c, \ud504\ub85c\ud1a0\ud0c0\uc785\uc774\ub098 \uacb0\ud568\uc774 \ucd5c\ub300 50%\uae4c\uc9c0 \ud5c8\uc6a9\ub418\ub294 \uc800\uc804\ub825 QFN\uc5d0\ub9cc \uc801\uc6a9 \uac00\ub2a5\ud558\ub2e4. \ub9c8\uc774\ud06c\ub85c BGA \ud328\ub4dc\uc758 \uc624\ud508 \ube44\uc544\ub294 \ub0a9\ub55c \uc190\uc2e4\uc758 \uc704\ud5d8\uc774 \ub192\uae30 \ub54c\ubb38\uc5d0 \uac70\uc758 \ud5c8\uc6a9\ub418\uc9c0 \uc54a\ub294\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>\ucda9\uc804\ub41c via-in-pad\ub294 \uc774\ub7ec\ud55c \ud328\ud0a4\uc9c0\ub4e4\uc744 \ud63c\ud569\ud55c \uc0dd\uc0b0 \uc124\uacc4\uc758 \uae30\uc900 \uc694\uac74\uc73c\ub85c \uac04\uc8fc\ud55c\ub2e4. \uc81c\uc791\uc0ac \uc81c\uc57d\uc774 \uc808\ub300\uc801\uc774\uace0 \uc704\ud5d8\uc774 \uba85\ud655\ud788 \uae30\ub85d\ub41c \uacbd\uc6b0\uc5d0\ub9cc \ub300\uc548\uc744 \ubaa8\uc0c9\ud558\ub77c.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"underfill-keepout-zones-planning-for-process-reality\">\uc5b8\ub354\ud544 \uc720\uc9c0 \uad6c\uc5ed: \uacf5\uc815 \ud604\uc2e4\uc5d0 \ub300\ud55c \uacc4\ud68d<\/h2>\n\n\n<p>\uc5b8\ub354\ud544\uc740 BGA \uc8fc\ubcc0\uc5d0 \ubd84\uc0ac\ub418\ub294 \uc561\uccb4 \uc5d0\ud3ed\uc2dc\ub85c, \ub0a9\ub55c \uc870\uc778\ud2b8 \uc804\ubc18\uc5d0 \uc2a4\ud2b8\ub808\uc2a4\ub97c \ubd84\uc0b0\uc2dc\ucf1c \uae30\uacc4\uc801 \uc2e0\ub8b0\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a8\ub2e4. \ud56d\uc0c1 \ud544\uc694\ud558\uc9c0\ub294 \uc54a\uc9c0\ub9cc \uc5f4 \uc0ac\uc774\ud074\ub9c1\uc774\ub098 \ucda9\uaca9\uc5d0 \ub178\ucd9c\ub418\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc77c\ubc18\uc801\uc774\ub2e4. \uba85\uc2dc\ub41c \uacbd\uc6b0, \ubcf4\ub4dc \ub808\uc774\uc544\uc6c3\uc740 \ubd84\uc0ac \uacfc\uc815\uc744 \uc218\uc6a9\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p>\ub514\uc2a4\ud39c\uc2a4 \ub2c8\ub4e4\uc5d0\ub294 \uade0\uc77c\ud55c \ud750\ub984\uc744 \uc704\ud574 \ud328\ud0a4\uc9c0 \uac00\uc7a5\uc790\ub9ac\ub85c\ubd80\ud130 1~2mm\uc758 \uacf5\uac04\uc774 \ud544\uc694\ud558\ub2e4. \ub108\ubb34 \uac00\uae4c\uc774 \ubc30\uce58\ub41c \ubd80\ud488\uc740 \ub2c8\ub4e4\uc744 \ub9c9\uac70\ub098 \uc7a5\ubcbd\uc744 \ud615\uc131\ud558\uc5ec \uacf5\uadf9\uacfc \ubd88\uc644\uc804 \ucee4\ubc84\ub9ac\uc9c0\ub97c \ucd08\ub798\ud55c\ub2e4. \uc774 \uc774\uaca9 \uad6c\uc5ed\uc740 \ub808\uc774\uc544\uc6c3 \ucd08\uae30\uc5d0 \uc815\ud574\uc57c \ud558\uba70, \ub098\uc911\uc5d0 \ubd80\ud488\uc744 \uc774\ub3d9\ud558\uba74 \uc7ac\uc124\uacc4\uac00 \ud544\uc694\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p>\uc774 \uad6c\uc5ed \ub0b4 \ubd80\ud488 \ub192\uc774\ub3c4 \ud6a1\ubc29\ud5a5 \uac04\uaca9\ub9cc\ud07c \uc911\uc694\ud558\ub2e4. \ub192\uc740 \ubd80\ud488\uc740 \ub451 \uc5ed\ud560\uc744 \ud558\uc5ec \uc5b8\ub354\ud544 \ud750\ub984\uc744 \ucc28\ub2e8\ud55c\ub2e4. \ub808\uc774\uc544\uc6c3\uc740 keepout \ub0b4\uc5d0 \uba85\ud655\ud558\uace0 \ud3c9\ud3c9\ud55c \uc601\uc5ed\uc744 \uc720\uc9c0\ud574\uc57c \ud558\uba70, BGA\uc758 \uc2a4\ud0e0\ub4dc\uc624\ud504 \ub192\uc774(\uc77c\ubc18\uc801\uc73c\ub85c 0.3~0.5mm)\ub97c \ucd08\uacfc\ud558\ub294 \ubd80\ud488\uc774 \uc5c6\uc5b4\uc57c \ud55c\ub2e4. \uc7ac\uc791\uc5c5\uc774 \uc608\uc0c1\ub418\ub294 \uc124\uacc4\uc5d0\uc11c\ub294 \uc774 \uc601\uc5ed\uc744 3mm \uc774\uc0c1\uc73c\ub85c \ud655\uc7a5\ud558\uc5ec \uc81c\uac70 \ub3c4\uad6c\uc758 \uc811\uadfc\uc131\uc744 \ud655\ubcf4\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"board-rails-and-panel-design-for-assembly\">\uc870\ub9bd\uc6a9 \ubcf4\ub4dc \ub808\uc77c \ubc0f \ud328\ub110 \uc124\uacc4<\/h2>\n\n\n<p>\ubcf4\ub4dc \ub808\uc77c\uc740 PCB \ud328\ub110\uc758 \uae30\ub2a5\ud558\uc9c0 \uc54a\ub294 \uc8fc\ubcc0\ubd80\ub85c, \ubaa8\ub4e0 \uc870\ub9bd \uc7a5\ube44\uc758 \uae30\uacc4\uc801 \uc778\ud130\ud398\uc774\uc2a4\uc774\ub2e4. \ud06c\uae30\uac00 \uc791\uac70\ub098 \uc798\ubabb \uc124\uacc4\ub41c \ub808\uc77c\uc740 \uc778\uc1c4 \uc2dc \ud328\ub110\uc774 \ud718\uac70\ub098 \uc704\uce58 \uc870\uc815 \uc2dc \uc774\ub3d9\ud558\uac8c \ub9cc\ub4e4\uc5b4 \uc218\uc728\uc744 \uc800\ud558\ud55c\ub2e4.<\/p>\n\n\n\n<p>\ud63c\ud569 QFN \ubc0f \ub9c8\uc774\ud06c\ub85c BGA \uc870\ub9bd\uc5d0 \ub300\ud55c \ucd5c\uc18c \ub808\uc77c \ud3ed\uc740 \ud55c \uba74\ub2f9 7~10mm \uc774\uc0c1\uc774\uc5b4\uc57c \ud55c\ub2e4. \uc774\ub294 \ucee8\ubca0\uc774\uc5b4 \ubc0f \ud074\ub7a8\ud551 \uba54\ucee4\ub2c8\uc998\uc5d0 \ucda9\ubd84\ud55c \uc7a1\ub294 \uc601\uc5ed\uc744 \uc81c\uacf5\ud55c\ub2e4. \ud328\ub110\ub2f9 \ub354 \ub9ce\uc740 \ubcf4\ub4dc\ub97c \ucd5c\ub300\ud654\ud558\uae30 \uc704\ud574 \uc881\uc740 \ub808\uc77c\uc774 \uc0ac\uc6a9\ub420 \uc218 \uc788\uc9c0\ub9cc, \uc774\ub294 \uc2a4\ud150\uc2e4 \uc778\uc1c4 \uc2dc \ud718\uc5b4\uc9d0\uc744 \uc720\ubc1c\ud558\uc5ec \uc720\uc5f0\uc131\uc744 \uc77c\uc73c\ud0a8\ub2e4. \ubb34\uac70\uc6b4 \uc2a4\ud150\uc2e4\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ud558\uac15\ub825\uc740 \ud328\ub110\uc744 \ud718\uac8c \ud574 \uace0\ub978 \ud398\uc774\uc2a4\ud2b8 \ub3c4\ud3ec\ub97c \ubc29\ud574\ud55c\ub2e4. \uc881\uc740 \ub808\uc77c\uc5d0\uc11c \uc624\ub294 \uc808\uac10 \ud6a8\uacfc\ub294 \uac70\uc758 \ud56d\uc0c1 \uc218\uc728 \uc800\ud558\ub85c \uc0c1\uc1c4\ub41c\ub2e4. \ubcf4\ub4dc \ub450\uaed8\uac00 1.6mm \ubbf8\ub9cc\uc778 \uacbd\uc6b0, \uc778\uc1c4 \ub3d9\uc548 \uc784\uc2dc \uac15\uc131 \ubc14\ub97c \ub808\uc77c\uc5d0 \uace0\uc815\ud558\uc5ec \ud728\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p>\ud234\ub9c1 \ud640\uacfc \ud30c\uc774\ub514\uc5bc\uc740 \uc790\ub3d9\ud654\uc6a9 \uae30\uc900\uc810\uc73c\ub85c \ud65c\uc6a9\ub41c\ub2e4. V-\uc2a4\ucf54\uc5b4\ub9c1 \ub610\ub294 \ud0ed \ub77c\uc6b0\ud305\uc740 \ud328\ub110 \uc808\ub2e8\uc5d0\ub3c4 \uc601\ud5a5\uc744 \ubbf8\uce58\uba70, \uc774\ub294 \ub808\uc77c \uc124\uacc4\uc5d0 \uc601\ud5a5\uc744 \uc900\ub2e4. \ud63c\ud569 QFN\uacfc \ub9c8\uc774\ud06c\ub85c BGA \uc124\uacc4\ub294 \ud0ed \ub77c\uc6b0\ud305\uc73c\ub85c \uc778\ud574 \uc720\ub9ac\ud55c\ub370, \uc774\ub294 \ubbf8\uc138 \ud53c\uce58 \ubd80\ud488\uc744 \ubcf4\ub4dc \uac00\uc7a5\uc790\ub9ac \uadfc\ucc98\uc5d0 \uac00\uae4c\uc774 \ubc30\uce58\ud558\uc5ec \uc2e0\ud638 \ub77c\uc6b0\ud305\uc744 \uac1c\uc120\ud55c\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"fiducial-strategy-accuracy-through-discipline\">\uae30\uc900\uc120 \uc804\ub7b5: \uaddc\uc728\uc744 \ud1b5\ud55c \uc815\ud655\uc131<\/h2>\n\n\n<p>\ud30c\uc774\ub514\uc5bc\uc740 \ud53d\uc564\ud50c\ub808\uc774\uc2a4 \uae30\uacc4\uc758 \uad11\ud559 \uae30\uc900 \ub9c8\ud06c\ub85c, \uc704\uce58 \uc815\ubc00\ub3c4\ub97c \uc9c1\uc811 \uacb0\uc815\ud55c\ub2e4. \uc774 \ubcf4\ub4dc\ub4e4\uc740 \uc218\uc2ed \ub9c8\uc774\ud06c\ub85c\ubbf8\ud130 \ub2e8\uc704\uc758 \ud5c8\uc6a9\uc624\ucc28\ub97c \uac16\uace0 \uc788\uc5b4, \ud30c\uc774\ub514\uc5bc \uc804\ub7b5\uc740 \uc0ac\ud6c4 \uace0\ub824\uac00 \uc544\ub2cc \uae30\ubcf8 \uc124\uacc4 \uc694\uad6c \uc0ac\ud56d\uc774\ub2e4.<\/p>\n\n\n\n<p><strong>\uae00\ub85c\ubc8c \ud30c\uc774\ub514\uc5bc<\/strong> \ud328\ub110 \uc218\uc900\uc758 \uc815\ud569\uc131\uc744 \uc81c\uacf5\ud55c\ub2e4. \uc138 \uac1c\uc758 \ube44\uacf5\uc120\ud615 \ub9c8\ud06c\ub294 \uac00\ub2a5\ud55c \ud55c \uba40\ub9ac \ubc30\uce58\ub418\uc5b4\uc57c \ud558\uba70, \uc774 \ub9c8\ud06c\ub4e4\uc740 \ube44\uc804 \uc2dc\uc2a4\ud15c\uc774 \uc704\uce58, \ud68c\uc804 \ubc0f \ud06c\uae30 \uc624\ub958\ub97c \uacc4\uc0b0\ud560 \uc218 \uc788\ub3c4\ub85d \ud55c\ub2e4. \uac01\uac01\uc758 \uae00\ub85c\ubc8c \ud30c\uc774\ub514\uc5bc\uc740 \uba85\ud655\ud55c keepout \uad6c\uc5ed\uc774 \ud544\uc694\ud558\uba70, \uc77c\ubc18\uc801\uc73c\ub85c 3~5mm \ubc18\uacbd \ubc94\uc704 \ub0b4\uc5d0 \uc2dc\uac01 \uc2dc\uc2a4\ud15c\uc744 \ud63c\ub3d9\uc2dc\ud0ac \uc218 \uc788\ub294 \ud2b9\uc9d5\uc774 \uc5c6\uc5b4\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p><strong>\uc9c0\uc5ed \ud30c\uc774\ub514\uc5bc<\/strong> \uac01 \ub9c8\uc774\ud06c\ub85c BGA\uc5d0 \ub300\ud574 \ud544\uc694\ud558\uba70, \ubbf8\uc138 \ud53c\uce58 QFN\uc5d0\ub294 \uac15\ub825\ud788 \uad8c\uc7a5\ub41c\ub2e4. \uc774\ub294 \ubd80\ud488 \uc218\uc900\uc758 \uc815\ud569\uc131\uc744 \uc81c\uacf5\ud558\uba70, \ud604\uc9c0 \uae30\ud310 \ub4a4\ud2c0\ub9bc\uc744 \uc218\uc815\ud55c\ub2e4. \ub9c8\uc774\ud06c\ub85c BGA\uc758 \uacbd\uc6b0, \ud328\ud0a4\uc9c0 \ub300\uac01\uc120\uc5d0 \ub450 \uac1c\uc758 \uc9c0\uc5ed \ud30c\uc774\ub514\uc5bc\uc744 \ubc30\uce58\ud558\uace0, \uac00\uc7a5\uc790\ub9ac\uc5d0\uc11c 10~15mm \uc774\ub0b4\uc5d0 \uc704\uce58\uc2dc\ud0a4\uba74 \ucd5c\uc801\uc758 \uc815\ud655\ub3c4\ub97c \ud655\ubcf4\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/local_fiducials_for_bga_placement.jpg\" alt=\"PCB \ub808\uc774\uc544\uc6c3\uc758 \uc0c1\ub2e8 \uc804\ub9dd\uc73c\ub85c, \ub450 \uac1c\uc758 \uad6d\uc18c fiducial \ub9c8\ud06c\uac00 \ub300\uac01\uc120\uc73c\ub85c \ubc30\uce58\ub41c micro-BGA \ud48b\ud504\ub9b0\ud2b8\uac00 \ubcf4\uc5ec\uc9d1\ub2c8\ub2e4.\" title=\"Micro-BGA\uc6a9 \uad6d\uc18c \uc704\uce58 \ub9c8\ud0b9\"\/><figcaption class=\"wp-element-caption\">\ub9c8\uc774\ud06c\ub85c BGA\uc5d0 \ub300\ud574 \ub450 \uac1c\uc758 \ub85c\uceec \ud53c\ub4c0\uc15c\uc744 \ub300\uac01\uc120\uc73c\ub85c \ubc30\uce58\ud558\uba74 \ubc30\uce58 \uae30\uacc4\uac00 \uad6d\ubd80\uc801\uc778 \uae30\ud310 \ub4a4\ud2c0\ub9bc\uc744 \uc218\uc815\ud558\uc5ec \ub192\uc740 \uc815\ubc00\ub3c4\ub97c \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\uc77c\ubc18\uc801\uc778 \ud53c\ub4c0\uc15c\uc740 2mm \uc6d0\ud615 \uc194\ub354 \ub9c8\uc2a4\ud06c \uad6c\uba4d \ub0b4\ubd80\uc5d0 \uc9c1\uacbd 1mm\uc758 \ubb34\ub3c4\uae08 \uad6c\ub9ac \uc6d0\ud615\uc785\ub2c8\ub2e4. \uc774\ub294 \ube44\uc804 \uce74\uba54\ub77c\uc5d0 \ub192\uc740 \ub300\ube44\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\uc0c1\uc801\uc778 \uac04\uaca9\uc744 \uc720\uc9c0\ud558\uae30 \uc5b4\ub824\uc6b4 \ubc00\uc9d1 \ub808\uc774\uc544\uc6c3\uc5d0\uc11c\ub294 \uac70\ub9ac\ub97c \ucd5c\uc18c 5mm\ub85c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ucd5c\ud6c4\uc758 \uc218\ub2e8\uc73c\ub85c, \ud070 QFN \ucf54\ub108 \ud328\ub4dc \ub610\ub294 BGA \ucf54\ub108 \uad6c\uc2ac \ud328\ub4dc\ub97c \ud53c\ub4c0\uc15c \ud0c0\uac9f\uc73c\ub85c \uc9c0\uc815\ud560 \uc218 \uc788\uc9c0\ub9cc, \uc774\ub294 \ub192\uc740 \uc704\ud5d8\uc774 \ub530\ub974\ub294 \uc804\ub7b5\uc785\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"the-final-gate-pretapeout-dfm-verification\">\ucd5c\uc885 \uad00\ubb38: \uc0ac\uc804 \ud14c\uc774\ud504\uc544\uc6c3 DFM \uac80\uc99d<\/h2>\n\n\n<p>\ud14c\uc774\ud504 \uc544\uc6c3 \uc804\uc5d0 \uc774 \ub2e4\uc12f \uac00\uc9c0 \ud575\uc2ec \uc601\uc5ed\uc5d0 \ub300\ud55c \uccb4\uacc4\uc801 \uac80\ud1a0\ub294 \uc624\ub958\ub97c \uc7a1\uc744 \uc218 \uc788\ub294 \ub9c8\uc9c0\ub9c9 \uae30\ud68c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uac80\uc99d\uc740 \uc774\ub7ec\ud55c \ud2b9\uc815 \uace0\uc704\ud5d8 \uc601\uc5ed\uc5d0 \ucd08\uc810\uc744 \ub9de\ucd98 \ub3d9\ub8cc \uac80\ud1a0\ub85c \uc2dc\uc791\ud574\uc57c \ud569\ub2c8\ub2e4. \uc790\ub3d9 DFM \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub294 \uc77c\ubd80 \ubb38\uc81c\ub97c \ud45c\uc2dc\ud560 \uc218 \uc788\uc9c0\ub9cc, \ud398\uc774\uc2a4\ud2b8 \uac1c\uad6c\ubd80 \uc124\uacc4 \ub610\ub294 via-in-pad \uc120\ud0dd\uc758 \ubbf8\ubb18\ud55c \ud2b8\ub808\uc774\ub4dc\uc624\ud504\ub97c \ud3c9\uac00\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc778\uac04\uc758 \ud310\ub2e8\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc608\uc0c1 \uc81c\uc791\uc0ac \ubc0f \uc870\ub9bd \uc5c5\uccb4\uc640 \uc0c1\ub2f4\ud558\uc2ed\uc2dc\uc624. \ub370\uc774\ud130\ub97c \uacf5\uc720\ud558\uba74 \uc124\uacc4\uac00 \uc7a0\uae30\uae30 \uc804\uc5d0 \ud504\ub85c\uc138\uc2a4\ubcc4 \uc704\ud5d8\uc744 \uc2dd\ubcc4\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc0ac\uc804 \ud14c\uc774\ud504 \uc544\uc6c3 \uccb4\ud06c\ub9ac\uc2a4\ud2b8\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc2a4\ud150\uc2e4 \uac1c\uad6c\ubd80:<\/strong> \ubaa8\ub4e0 \ub9c8\uc774\ud06c\ub85c BGA \ud328\ub4dc\uc5d0 \ub300\ud55c \uc601\uc5ed \ube44\uc728\uc774 \uc815\ud655\ud558\uac8c \ub0b4\ubcf4\ub0b4\uc9c0\uace0 \uac80\ud1a0\ub418\uc5c8\uc73c\uba70 QFN \uc5f4 \ud328\ub4dc\uc758 \ucd95\uc18c\uac00 \uc801\uc808\ud55c\uc9c0 \ud655\uc778.<\/li>\n\n\n\n<li><strong>Via-in-Pad:<\/strong> \uc81c\uc870 \ub178\ud2b8\uc5d0 \uba85\ud655\ud558\uac8c \ubb38\uc11c\ud654\ub41c \uc0ac\uc591, \ucda9\uc804 \ubc29\ubc95 \ubc0f \uc218\uc6a9 \uae30\uc900 \ud3ec\ud568.<\/li>\n\n\n\n<li><strong>\uc5b8\ub354\ud544 \uc720\uc9c0 \uad6c\uc5ed:<\/strong> \ubaa8\ub4e0 \ub9c8\uc774\ud06c\ub85c BGA\uc5d0 \ub300\ud574 \uad6c\uc5ed\uc774 \uac80\uc99d\ub418\uc5c8\uc73c\uba70, \ubd80\ud488\uc774 \uac04\uaca9\uc744 \ucd08\uacfc\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubcf4\ub4dc \ub808\uc77c:<\/strong> \ud328\ub110 \uac15\uc131\uc744 \uc704\ud574 \ucd5c\uc18c \uce58\uc218\uc5d0 \ubd80\ud569\ud558\ub294 \ub108\ube44 \ud655\uc778.<\/li>\n\n\n\n<li><strong>\ud53c\ub4c0\uc15c:<\/strong> \ud06c\uae30, \uac04\uaca9, \uc720\uc9c0 \uad6c\uc5ed\uc5d0 \ub300\ud574 \uae00\ub85c\ubc8c \ubc0f \ub85c\uceec \ubc30\uce58 \uac80\uc99d.<\/li>\n\n\n\n<li><strong>\uc194\ub354 \ub9c8\uc2a4\ud06c:<\/strong> \ub9c8\uc774\ud06c\ub85c-BGA \ud328\ub4dc\uc758 \ud074\ub9ac\uc5b4\ub7f0\uc2a4\uac00 \ube44\uc194\ub354 \ub9c8\uc2a4\ud06c\ub85c \uc815\uc758\ub418\uc9c0 \uc54a\uc740 \uac83\uc784\uc774 \ud655\uc778\ub428 (NSMD).<\/li>\n\n\n\n<li><strong>\ub514\ud328\ub110\ub9c1:<\/strong> \ubd80\ud488 \uc190\uc0c1\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ubc29\ubc95\uacfc \uac00\uc7a5\uc790\ub9ac \ud074\ub9ac\uc5b4\ub7f0\uc2a4\ub97c \uac80\uc99d\ud568.<\/li>\n<\/ul>\n\n\n\n<p>\uc774 \uac8c\uc774\ud2b8\uc758 \uc644\ub8cc\ub294 DFM\uc744 \ucd94\uc0c1\uc801\uc778 \ubaa9\ud45c\uc5d0\uc11c \uce21\uc815 \uac00\ub2a5\ud55c \uacb0\uacfc\ub85c \ubc14\uafc9\ub2c8\ub2e4. \uc774\ub294 \ub9e4\ub044\ub7ec\uc6b4 \ucd08\uae30 \uad6c\ucd95\uacfc \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 \uc7ac\uc0dd\uc758 \ucc28\uc774\uc785\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>QFN\uacfc micro-BGA \ud328\ud0a4\uc9c0\ub97c PCB\uc5d0 \ud63c\ud569\ud558\uba74 \uc885\uc885 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 \uc7ac\uc0dd\uc0b0\uc73c\ub85c \uc774\uc5b4\uc9c0\ub294 \uc911\uc694\ud55c \uc81c\uc870\uc0c1\uc758 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