{"id":10132,"date":"2025-11-24T23:44:56","date_gmt":"2025-11-24T23:44:56","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=10132"},"modified":"2025-11-24T23:44:56","modified_gmt":"2025-11-24T23:44:56","slug":"rail-fiducials-fail-fine-pitch","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/ko\/%eb%a0%88%ec%9d%bc-%eb%b6%80%ec%b0%a9%eb%ac%bc%ec%9d%b4-%eb%af%b8%ec%84%b8-%ea%b0%84%ea%b2%a9%ec%97%90%ec%84%9c-%ec%8b%a4%ed%8c%a8%ed%95%a9%eb%8b%88%eb%8b%a4\/","title":{"rendered":"\ubc30\uce58 \ubb3c\ub9ac\ud559: \ub808\uc77c \ud53c\ub4c0\uc15c\uc774 \ubbf8\uc138\ud53c\uce58 \uc124\uacc4\uc5d0 \uc2e4\ud328\ud558\ub294 \uc774\uc720"},"content":{"rendered":"

\ubcf4\ud1b5 \ud654\uc694\uc77c \uc624\ud6c4\uc5d0 \uc77c\uc774 \ubab0\ub9ac\uae30 \uc2dc\uc791\ud560 \ub54c \uc77c\uc5b4\ub09c\ub2e4. \ud53c\ud0b9 \uc564 \ud50c\ub808\uc774\uc2a4 \uae30\uacc4\u2014\uc544\ub9c8\ub3c4 \ud30c\ub098\uc18c\ub2c9 NPM\uc774\ub098 \uace0\uc18d Juki\u2014\uac00 \uc719\uc719\uac70\ub9ac\uba70 \uc791\ub3d9\ud558\uace0, \ucee8\ubca0\uc774\uc5b4\ub294 \uc6c0\uc9c1\uc774\uace0, \ub300\uc2dc\ubcf4\ub4dc \uc9c0\ud45c\ub294 \ub179\uc0c9\uc774\ub2e4. \uc774\ub860\uc0c1\uc758 \ucc98\ub9ac\ub7c9\uc740 \ub192\uc544 \ubcf4\uc778\ub2e4. \uae30\uacc4\ub294 \ud328\ub110 \uac00\uc774\ub4dc\ub77c\uc778\uc5d0\uc11c \uae00\ub85c\ubc8c \ud53c\ub4c0\uc15c\uc744 \uc624\ub958 \ub85c\uadf8 \ud558\ub098 \uc5c6\uc774 \ucc3e\uace0 \uc788\ub2e4. \ubc30\uce58 \ud30c\uc77c\uc758 \uc88c\ud45c \uae30\ud558\ud559\uc5d0 \ub530\ub974\uba74, \ubaa8\ub4e0 \uac83\uc774 \uc644\ubcbd\ud558\ub2e4.<\/p>\n\n\n

\n
\"\ub179\uc0c9
\uc815\ubc00 \ud53c\uce58 \ubd80\ud488\uc774 \ud328\ub4dc\uc5d0\uc11c \ubc97\uc5b4\ub09c \uac83\uc740 \uc815\ud655\ud55c \uc9c0\uc5ed \uae30\uc900\uc774 \ubd80\uc871\ud55c \ubc30\uce58 \uae30\uacc4\uc5d0\uc11c \ud754\ud55c \uacb0\ud568\uc774\ub2e4.<\/figcaption><\/figure><\/div>\n\n\n

\uadf8 \ud6c4, \ubcf4\ub4dc\ub4e4\uc774 \ub9ac\ud50c\ub85c\uc6b0 \uc624\ube10\uc5d0\uc11c \ub098\uc628\ub2e4.<\/p>\n\n\n\n

\ud604\ubbf8\uacbd \uc544\ub798\uc5d0\uc11c \ubcf4\uba74 \uc7ac\uc559\uc744 \ubcfc \uc218 \uc788\ub2e4. \ubaa8\ub4e0 0.4mm \ud53c\uce58 QFN\uc774 \uc67c\ucabd\uc73c\ub85c 0.15mm\uc529 \uc774\ub3d9\ud574 \uc788\ub2e4. \ud328\ub4dc\uac00 \uc5f0\uacb0\ub418\uc5b4 \uc788\ub2e4. 0201 \uc218\ub3d9\uc18c\uc790\ub294 \ud140\uc2a4\ud1a4 \ucc98\ub9ac\ub418\uac70\ub098 \ucc29\ub959 \uad6c\uc5ed\uc744 \ubc97\uc5b4\ub098 \uae30\uc6b8\uc5b4\uc9c0\uace0 \uc788\ub2e4. \ub2f9\uc2e0\uc740 \uac12\ube44\uc2fc \uc0c9\uc885\uc774 \uc870\uac01 \ud328\ub110\uc744 \ub4e4\uace0 \uc788\ub2e4.<\/p>\n\n\n\n

\ud504\ub85c\uc81d\ud2b8 \ub9e4\ub2c8\uc800\ub294 \uc65c \uae30\uacc4\uac00 \uc2e4\ud328\ud588\ub294\uc9c0 \uc54c\uace0 \uc2f6\uc5b4 \ud55c\ub2e4. \uadf8\ub7ec\ub098 \uae30\uacc4\ub294 \uc2e4\ud328\ud558\uc9c0 \uc54a\uc558\ub2e4. \uc8fc\uc5b4\uc9c4 \ucc38\uc870\ub97c \ubc14\ud0d5\uc73c\ub85c \uc815\ud655\ud788 \uadf8\ub300\ub85c \uc791\ub3d9\ud588\uc744 \ubfd0\uc774\ub2e4. \uc2e4\ud328\ub294 \uba87 \uc8fc \uc804\uc5d0 CAD \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ub0b4\uc5d0\uc11c \ubc1c\uc0dd\ud588\uc73c\uba70, \ub514\uc790\uc774\ub108\uac00 \ud328\ub110 \uac00\uc774\ub4dc\ub77c\uc778\uc758 \uc138 \uac1c \ud53c\ub4c0\uc15c\uc774 '\ucda9\ubd84\ud788 \uc88b\ub2e4'\uace0 \ud310\ub2e8\ud55c \ub54c\uc600\ub2e4.<\/p>\n\n\n

\uac70\uc9d3\ub9d0\uc758 \uae30\ud558\ud559<\/h2>\n\n\n

PCB \uc124\uacc4\uc5d0\ub294 \ubcf4\ub4dc\ub97c \uace0\uc815\ubd88\ubcc0\uc758 \uaca9\uc790\ub85c \ucde8\uae09\ud558\ub294 \uadfc\ubcf8\uc801\uc778 \uc624\ud574\uac00 \uc788\ub2e4. CAD \ud658\uacbd\uc5d0\uc11c\ub294 \uc6d0\uc810(0,0)\uacfc \ubd80\ud488 \ud328\ub4dc(250, 150) \uc0ac\uc774\uc758 \uac70\ub9ac\uac00 \uc218\ud559\uc801\uc73c\ub85c \uc808\ub300\uc801\uc778 \uac12\uc774\ub2e4. \uc808\ub300 \ubcc0\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n\n\n\n

\uacf5\uc7a5 \ubc14\ub2e5\uc5d0\uc11c\ub294 \uadf8 \uaca9\uc790\uac00 \uac70\uc9d3\uc774\ub2e4.<\/p>\n\n\n\n

\uae30\uacc4\uac00 \ud328\ub110\uc744 \ud074\ub7a8\ud551\ud560 \ub54c, \uc77c\ubc18\uc801\uc73c\ub85c \uc640\uc774\uc2a4\ud2b8 \ub808\uc77c\uc774\ub098 \ubcf4\ub4dc \ucf54\ub108\uc5d0 \uc704\uce58\ud558\ub294 \uad6c\ub9ac \uc6d0\uc778 \uae00\ub85c\ubc8c \ud53c\ub4c0\uc15c\uc744 \ucc3e\ub294\ub2e4. \uadf8\uac83\ub4e4\uc744 \uae30\uc900\uc73c\ub85c \ubcf4\ub4dc\uc758 \uc704\uce58\ub97c \uacc4\uc0b0\ud55c\ub2e4. \ub9cc\uc57d \ubcf4\ub4dc\uac00 \uc57d\uac04 \ud68c\uc804\ud55c\ub2e4\u2014\uc989, '\uc138\ud0c0' \uc624\ub958\u2014\uae30\uacc4\ub294 \ub0b4\ubd80 \uc88c\ud45c\uacc4\ub97c \ubcf4\ub4dc\uc5d0 \ub9de\uac8c \uc218\ud559\uc801\uc73c\ub85c \ubcf4\uc815\ud558\uc5ec \ud68c\uc804\uc2dc\ud0a8\ub2e4.<\/p>\n\n\n

\n
\"\ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740
\ud328\ub110 \uac00\uc7a5\uc790\ub9ac\uc5d0\uc11c \uce21\uc815\ub41c \uc791\uc740 \ud68c\uc804 \uc624\ub958\ub294 \uba3c \uac70\ub9ac\ub97c \uc9c0\ub098\uba74\uc11c \ud655\ub300\ub418\uc5b4, \ucc38\uc870\uc810\uc5d0\uc11c \uba40\ub9ac \ub5a8\uc5b4\uc9c4 \ubd80\ud488\uc758 \uc704\uce58 \uc774\ub3d9\uc744 \ud06c\uac8c \ub9cc\ub4e0\ub2e4.<\/figcaption><\/figure><\/div>\n\n\n

\ubb38\uc81c\ub294 \uae30\ud558\ud559\uc774 \uac70\ub9ac\uc0c1 \uc624\ub958\ub97c \ud655\ub300\ud55c\ub2e4\ub294 \uac83\uc774\ub2e4. \ub808\uc77c\uc5d0\uc11c 0.05\ub3c4\ub9cc\uc758 \uc791\uc740 \ud68c\uc804 \uc624\ub958\uac00 10mm \ub5a8\uc5b4\uc9c4 \ubd80\ud488\uc5d0\ub294 \ubb34\uc2dc\ud560 \ub9cc\ud55c \uc774\ub3d9\uc774 \ub420 \uc218 \uc788\uc9c0\ub9cc, 300mm \ud328\ub110 \uc911\uc559\uc5d0 \uc704\uce58\ud55c \ubd80\ud488\uc5d0\ub294 \uac19\uc740 \uc791\uc740 \uac01\ub3c4 \uc624\ucc28\uac00 \uc5c4\uccad\ub09c \uce21\uba74 \ud754\ub4e4\ub9bc\uc73c\ub85c \uc774\uc5b4\uc9c4\ub2e4. \uae30\uacc4\ub294 \ubd80\ud488\uc744 \uc644\ubcbd\ud55c \uc88c\ud45c\uc5d0 \ubc30\uce58\ud55c\ub2e4\uace0 \uc0dd\uac01\ud558\uc9c0\ub9cc, \ucc38\uc870\uc810\uc774 \ub108\ubb34 \uba40\uae30 \ub54c\ubb38\uc5d0 '\ub808\ubc84 \uc554'\uc774 \uc624\ub958\uc758 \ub4dc\ub9ac\ud504\ud2b8\ub97c \uc99d\ud3ed\uc2dc\ud0a4\ub294 \uc148\uc774\ub2e4.<\/p>\n\n\n\n

\ub2f9\uc2e0\uc740 \ub204\uad70\uac00\uac00 \ub0c5\ud0a8\uc5d0 \uadf8\ub9b0 \uc9c0\ub3c4\ub97c \uae30\ubc18\uc73c\ub85c \uba40\ub9ac\uc11c \ubc14\ub298\uc5d0 \uc2e4\uc744 \uaff0\uc5b4 \ub2ec\ub77c\uace0 \uae30\uacc4\uc5d0 \uc694\uccad\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uae30\uacc4 \ube0c\ub85c\uc154\uac00 30\ub9c8\uc774\ud06c\ub860 \uc815\ud655\ub3c4\ub97c \uc8fc\uc7a5\ud558\ub354\ub77c\ub3c4 \uc0c1\uad00\uc5c6\uc2b5\ub2c8\ub2e4. \uadf8 \uc815\ud655\ub3c4\ub294 \ucc38\uc870\ubb3c\uc774 \ubcf4\ub294 \uac83\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ucc38\uc870\ubb3c\uc774 \ub808\uc77c \uc704\uc5d0 \uc788\uace0 \ubaa9\ud45c\ubb3c\uc774 150mm \ub5a8\uc5b4\uc838 \uc788\ub2e4\uba74, \ub2f9\uc2e0\uc740 \uc0bc\uac01\ubc95\uacfc \uc2f8\uc6b0\uace0 \uc788\uc73c\uba70, \uc0bc\uac01\ubc95\uc774 \ud56d\uc0c1 \uc774\uae41\ub2c8\ub2e4.<\/p>\n\n\n

FR-4\ub294 \uc0b4\uc544\uc788\ub294 \uc2a4\ud380\uc9c0<\/h2>\n\n\n

\uae30\ud558\ud559\uc801 \ub808\ubc84\ub9ac\uc9c0\uac00 \uc5bc\ub9c8\ub098 \ub098\uc058\uace0, \uadf8\ub9ac\uace0 \uadf8\uac83\uc774 \ubcf4\ub4dc \uc790\uccb4\uac00 \uc548\uc815\uc801\uc774\ub77c\ub294 \uac00\uc815\uc744 \uc804\uc81c\ub85c \ud55c\ub2e4\ub294 \uc810\uc774 \ub354 \ubb38\uc81c\uc785\ub2c8\ub2e4. \uadf8\ub807\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 PCB\ub97c \uac15\ucca0 \ud310\uc73c\ub85c \uc0dd\uac01\ud558\ub294 \uacbd\ud5a5\uc774 \uc788\uc9c0\ub9cc, \uc0ac\uc2e4\uc740 \uc9c1\uc870\ub41c \uc720\ub9ac\uc640 \uc5d0\ud3ed\uc2dc \uc218\uc9c0\uc758 \ubcf5\ud569\uc7ac\uc785\ub2c8\ub2e4. \uc774\uac83\uc740 \uae30\uacc4 \uac00\uacf5\ub41c \uae08\uc18d\ubcf4\ub2e4 \ub354 \ubee3\ubee3\ud55c \ucc9c\uc5d0 \uac00\uae5d\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

FR-4\ub294 \uc0b4\uc544 \uc788\uace0 \uc6c0\uc9c1\uc774\ub294 \uc18c\uc7ac\uc785\ub2c8\ub2e4. \uc628\ub3c4\uc5d0 \ub530\ub77c \ud638\ud761\ud569\ub2c8\ub2e4. \uc591\uba74 \uc870\ub9bd\uc744 \ud560 \ub54c, \uadf8 \ubcf4\ub4dc\ub294 \ucc98\uc74c \ud55c \ucabd\uc744 \uc704\ud574 \ub9ac\ud50c\ub85c\uc6b0 \uc624\ube10\uc744 \ud1b5\uacfc\ud558\uba70 240\u00b0C \uc774\uc0c1\uae4c\uc9c0 \uc628\ub3c4\ub97c \uacbd\ud5d8\ud569\ub2c8\ub2e4. \uc18c\uc7ac\ub294 \ud33d\ucc3d\ud569\ub2c8\ub2e4. \uc720\ub9ac \uc12c\uc720\ub294 \uae34\uc7a5\uc744 \uc720\uc9c0\ud558\uace0, \uc218\uc9c0\ub294 \ub354 \uacbd\ud654\ub429\ub2c8\ub2e4. \uc2dd\uc744 \ub54c, \uadf8\uac83\uc740 \uc815\ud655\ud788 \uc6d0\ub798 \uce58\uc218\ub85c \ub3cc\uc544\uc624\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc218\ucd95\ud558\uace0, \ub4a4\ud2c0\ub9ac\uace0, \ube44\ud2c0\ub9bd\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc720\uc5f0 \ud68c\ub85c\ub098 \ud3f4\ub9ac\uc774\ubbf8\ub4dc \uc7ac\ub8cc\ub97c \ub2e4\ub8e8\ub294 \uacbd\uc6b0, \uc774 \ud604\uc2e4\uc740 \ud6e8\uc52c \ub354 \uac15\ub82c\ud569\ub2c8\ub2e4. \ud50c\ub809\uc2a4 \ud328\ub110\uc740 \ube44\uc120\ud615\uc73c\ub85c \ub298\uc5b4\ub0a0 \uc218 \uc788\ub294\ub370, \uc774\ub294 \ud55c \ubaa8\uc11c\ub9ac\ub294 0.1mm \ud655\uc7a5\ub420 \uc218 \uc788\uace0, \uc911\uc559\uc740 0.3mm \ud655\uc7a5\ub420 \uc218 \uc788\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uae30\uacc4 \uc785\uc7a5\uc5d0\uc11c\ub294 \uc774\uac83\uc774 \uc545\ubabd\uc785\ub2c8\ub2e4. \ub808\uc77c \ud53c\ub4c0\uc15c\uc744 \uc77d\uace0, \uadf8 \uc0ac\uc774\uc758 \uac70\ub9ac\ub97c \uce21\uc815\ud558\uba70, \ubcf4\ub4dc\uac00 \uc804\uccb4 \uae38\uc774\uc5d0\uc11c 0.5mm \uc904\uc5c8\ub2e4\ub294 \uc0ac\uc2e4\uc744 \uc54c\uc544\ucc28\ub9bd\ub2c8\ub2e4. ASM\uc774\ub098 Mycronic\uc758 \uace0\uae09 \uae30\uacc4\ub4e4\uc740 '\uc218\ucd95 \ubcf4\uc0c1' \uc54c\uace0\ub9ac\uc998\uc744 \uac16\ucd94\uace0 \uc788\uc5b4, \uc774 \uc624\ucc28\ub97c \ubcf4\ub4dc \uc804\uccb4\uc5d0 \uac78\uccd0 \ud3c9\uade0\ud654\ud558\ub824\uace0 \ud558\uba70, \ubc30\uce58 \uc88c\ud45c\ub97c \uc2a4\ucf00\uc77c\ub9c1\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uadf8\ub7ec\ub098 \uc774 \uc2a4\ucf00\uc77c\ub9c1\uc740 \uc65c\uace1\uc774 \uc120\ud615\uc801\uc774\ub77c\ub294 \uac00\uc815\uc744 \uc804\uc81c\ub85c \ud569\ub2c8\ub2e4 \u2014 \uc989, \ubcf4\ub4dc\uac00 \uace0\ubb34\uc904\ucc98\ub7fc \uace8\uace0\ub8e8 \ub298\uc5b4\ub09c\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc2e4\uc81c\ub85c\ub294, \ubcf4\ub4dc\uac00 \ud587\ube5b \uc544\ub798\uc11c \ub9d0\ub77c\uac00\ub294 \uc816\uc740 \uc2a4\ud380\uc9c0\ucc98\ub7fc \uc65c\uace1\ub429\ub2c8\ub2e4. \uc911\uc559\uc758 \uc815\ubc00 \ud53c\uce58 BGA \uadfc\ucc98\uc758 \uad6d\ubd80 \uc65c\uace1\uc740 \uac00\uc7a5\uc790\ub9ac \ucee4\ub125\ud130 \uadfc\ucc98\uc758 \uc65c\uace1\uacfc \uc644\uc804\ud788 \ub2e4\ub97c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub808\uc77c\ub9cc \ubcf4\uace0 \uc788\ub294 \uae30\uacc4\ub294 \uc774\uac83\uc744 \uc54c \ubc29\ubc95\uc774 \uc5c6\uc2b5\ub2c8\ub2e4. \uc804\uc5ed \uc218\uc815\uc73c\ub85c \uc9c0\uc5ed \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub824\uace0 \ud558\ub294 \uac83\uc774\uc8e0.<\/p>\n\n\n\n

\uc774\uac83\uc774 \ubc14\ub85c \uc2a4\ud150\uc2e4 \uc815\ub82c \ubb38\uc81c\ub97c \ubc30\uce58 \uc624\ub958\ucc98\ub7fc \ubcf4\uc774\uac8c \ud558\ub294 \uc774\uc720\uc774\uae30\ub3c4 \ud569\ub2c8\ub2e4. \uc2a4\ud150\uc2e4 \ud504\ub9b0\ud130\uac00 \ub3d9\uc77c\ud55c \ub808\uc77c \ud53c\ub4c0\uc15c\uc5d0 \uc815\ub82c\ud55c\ub2e4\uba74, \uadf8\uac83\ub3c4 \ud328\ub4dc \uc704\uce58\ub97c \ucd94\uce21\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uadf8 \uacb0\uacfc, \uc194\ub354 \ud398\uc774\uc2a4\ud2b8\uac00 \ubc18\ucbe4 \ud328\ub4dc \uc704\uc5d0, \ubc18\ucbe4 \uc624\ud504\uc5d0 \ub3c4\uae08\ub418\uace0, \ubd80\ud488\ub3c4 \ubc18\ucbe4 \uc624\ud504\uc5d0 \ub193\uc774\uac8c \ub418\uba70, \uc774\uac83\uc740 \ud655\uc2e4\ud55c \ub9ac\ud50c\ub85c\uc6b0 \uacb0\ud568\uc744 \uc57c\uae30\ud569\ub2c8\ub2e4.<\/p>\n\n\n

\uc9c0\uc5ed \uc218\uc815<\/h2>\n\n
\n
\"PCB\uc758
\uc881\uc740 \ud53c\uce58 \ubd80\ud488 \uadfc\ucc98\uc5d0 \ubc30\uce58\ub41c \ub450 \uac1c\uc758 \uc9c0\uc5ed \ud53c\ub4c0\uc15c\uc740 \ubc30\uce58 \uae30\uacc4\uc5d0 \uc815\ud655\ud55c \uae30\uc900\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/figcaption><\/figure><\/div>\n\n\n

\uc65c\uace1\uc758 \ubb3c\ub9ac\ud559\uacfc \ub808\ubc84\ub9ac\uc9c0\uc758 \uae30\ud558\ud559\uc744 \uc774\uae38 \uc218 \uc788\ub294 \uc720\uc77c\ud55c \ubc29\ubc95\uc740: \uc9c0\uc5ed \ud53c\ub4c0\uc15c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc9c0\uc5ed \ud53c\ub4c0\uc15c\uc740 \uc815\ubc00 \ud53c\uce58 \ubd80\ud488 \ubc14\ub85c \uc606\uc5d0 \ubc30\uce58\ub41c \ucc38\uc870 \ub9c8\ud06c\uc785\ub2c8\ub2e4. \u2018\uc778\uc811\ud558\ub2e4\u2019\ub294 \uc758\ubbf8\ub294 \ub3d9\uc77c\ud55c \uae30\ub2a5 \ube14\ub85d \ub0b4\ubd80, \uc885\uc885 \ubaa9\ud45c\ubb3c\uc5d0\uc11c 10-20mm \uc774\ub0b4\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uae30\uacc4\uc5d0 \uc9c0\uc5ed \ud53c\ub4c0\uc15c\uc744 \uc0ac\uc6a9\ud558\uac8c \uac15\uc694\ud558\uba74, \uac8c\uc784\uc774 \ubc14\ub01d\ub2c8\ub2e4. \uae30\uacc4\ub294 \uce74\uba54\ub77c\ub97c \ubd80\ud488 \uc601\uc5ed\uc73c\ub85c \uc774\ub3d9\uc2dc\ud0a4\uace0, \uc9c0\uc5ed \ub9c8\ud06c\ub97c \ucc3e\uc73c\uba70, \uc6d0\uc810 \uc7ac\uc124\uc815\uc744 \ud569\ub2c8\ub2e4. \uc774\uc81c \uc5b4\ub5a4 \ud68c\uc804 \uc624\ucc28\uc758 \u2018\ub808\ubc84 \uc554\u2019\ub3c4 \uc0ac\uc2e4\uc0c1 0\uc774 \ub429\ub2c8\ub2e4. \uae30\uacc4\ub294 \ud328\ub110 \ub808\uc77c\uc774 5mm \ud2c0\uc5b4\uc84c\ub4e0, \ubcf4\ub4dc\uac00 \uae38\uc774 \ubc29\ud5a5\uc73c\ub85c 1mm \ub4a4\ud2c0\ub838\ub4e0 \uc2e0\uacbd \uc4f0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc624\uc9c1 \uadf8 \uc9c0\uc5ed \ub9c8\ud06c\uc640 \uadf8 \ubc14\ub85c \uc606 \ud328\ub4dc\uc640\uc758 \uad00\uacc4\ub9cc \uc911\uc694\uc2dc \uc5ec\uae41\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774\uac83\uc774 \ubd80\ud488 \uc8fc\ubcc0\uc5d0 \u2018\uc9c4\uc2e4 \ucc3d\u2019(truth window)\uc744 \ub9cc\ub4dc\ub294 \uc774\uc720\uc785\ub2c8\ub2e4. \uadf8 \ucc3d \uc548\uc5d0\uc11c\ub294 \ucc38\uc870\uac00 \uc989\uac01\uc801\uc774\uae30 \ub54c\ubb38\uc5d0 \uc0c1\ub300\uc801 \uc815\ubc00\ub3c4\uac00 \ub9e4\uc6b0 \ub192\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub514\uc790\uc774\ub108\ub4e4\uc740 \uc885\uc885 \uc774\uac83\uc5d0 \ubc18\ubc1c\ud569\ub2c8\ub2e4. \uadf8\ub4e4\uc740 \uacf5\uac04\uc774 \ubd80\uc871\ud558\ub2e4\uace0 \uc8fc\uc7a5\ud558\uba70, \uadf8 \uacf5\uac04\uc744 \ud2b8\ub808\uc774\uc2a4 \ub610\ub294 \ube44\uc544\uc5d0 \uc4f0\ub824\uace0 \ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc9c8\ubb38\ud574\uc57c \ud560 \uac83\uc740: \uadf8 \uacf5\uac04\uc758 \ube44\uc6a9\uacfc \uc7ac\uc791\uc5c5\uc758 \ube44\uc6a9 \uc911 \uc5b4\ub290 \ucabd\uc774 \ub354 \ud06c\ub0d0\ub294 \uac83\uc785\ub2c8\ub2e4. 0.4mm \ud53c\uce58 QFN, 0.5mm \ud53c\uce58 BGA, \ub610\ub294 \uace0\ubc00\ub3c4 \ucee4\ub125\ud130\ub97c \ubc30\uce58\ud560 \ub54c, \uc6b4\uc601\uc790\uc640 \ud611\uc0c1\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uc218\ud559\uacfc \uc2f8\uc6b0\ub294 \uac83\uc784\uc744 \uba85\uc2ec\ud558\uc138\uc694.<\/p>\n\n\n\n

\uacbd\ud5d8 \ubc95\uce59\uc740 \uac04\ub2e8\ud569\ub2c8\ub2e4: \ubd80\ud488 \ud53c\uce58\uac00 0.5mm \uc774\ud558\uc774\uba74 \uc9c0\uc5ed \ud53c\ub4c0\uc15c\uc774 \ud544\uc694\ud558\uba70, 400\uac1c \uc774\uc0c1\uc758 \ud540\uc774 \uc788\ub294 BGA\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\uc785\ub2c8\ub2e4. \ud68c\uc804 \ubcf4\uc815\uc744 \uc704\ud574 \ub450 \uac1c\uc758 \ub9c8\ud06c\ub97c \uc0ac\uc6a9\ud558\ub294\ub370, \ubcf4\ud1b5 \ub300\uac01\uc120\uc73c\ub85c \ubd80\ud488 \ubcf8\uccb4\uc5d0 \ubc30\uce58\ub429\ub2c8\ub2e4. \ud558\ub098\uc758 \ub9c8\ud06c\ub294 \ud68c\uc804\uc6a9\uc73c\ub85c \ubb34\uc6a9\ud558\uba70, \uc774\ub3d9(X\/Y)\ub9cc \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n

\ub514\uc790\uc774\ub108\ub4e4\uc774 \uc990\uaca8 \uc4f0\ub294 \ube44\ud6a8\uacfc\uc801\uc778 \uc9c0\ub984\uae38<\/h2>\n\n
\n
\"\ud68c\ub85c
\ube44\uc544\uc758 \ubd88\uaddc\uce59\ud55c \ubaa8\uc591\uacfc \ub4dc\ub9b4 \uad6c\uba4d \uc704\uce58 \ud5c8\uc6a9 \uc624\ucc28\ub294 \uace0\uc815\ubc00 \uae30\uc900\uc810\uc73c\ub85c\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/figcaption><\/figure><\/div>\n\n\n

\uc9c0\uc5ed \ucc38\uc870\uac00 \ud544\uc694\ud558\ub2e4\ub294 \ub9d0\uc744 \ub4e4\uc73c\uba74, \ub611\ub611\ud55c \uc124\uacc4\uc790\ub4e4\uc740 \uc885\uc885 \uc2dc\uc2a4\ud15c\uc744 \uc18d\uc774\ub824 \ud569\ub2c8\ub2e4. \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc2dc\ub3c4\ub294 \u2018\uae30\uc900\uc810\uc73c\ub85c\uc11c\uc758 \ube44\uc544\u2019\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uadf8\ub4e4\uc740 \ubd80\ud488 \uadfc\ucc98\uc758 \ube44\uc544\ub97c \uac00\ub9ac\ud0a4\uba70 \u201c\uadf8 \uad6c\uba4d\uc744 \uce74\uba54\ub77c\uac00 \ubcfc \uc218 \uc788\ub3c4\ub85d \ud574\uc904 \uc218 \uc5c6\ub098\uc694?\u201d\ub77c\uace0 \ubb3b\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc544\ub2c8\uc694.<\/p>\n\n\n\n

\uae30\uacc4 \ub4dc\ub9b4 \ube44\ud2b8\ub294 \ud754\ub4e4\ub9bd\ub2c8\ub2e4. \ub4dc\ub9b4 \uad6c\uba4d \uc704\uce58\uc758 \ud5c8\uc6a9 \uc624\ucc28\ub294 \uc81c\uc791\uc18c\uc758 \ub4dc\ub9b4 \uc2a4\ud0dd\uc5d0 \ub530\ub77c \ubcf4\ud1b5 +\/- 0.1mm \ub610\ub294 \uadf8\ubcf4\ub2e4 \ub354 \ub098\uc060 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uad6c\uba4d \uc8fc\ubcc0\uc758 \ub3c4\uae08\ub3c4 \ubd88\uaddc\uce59\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uba38\uc2e0 \ube44\uc804 \uc2dc\uc2a4\ud15c\uc740 \ub300\ube44\uc5d0 \uc758\uc874\ud558\ub294\ub370, \ud2b9\ud788 \ubc18\uc9dd\uc774\ub294 \uad6c\ub9ac\/\uae08\/\ub0a9\ub55c\uacfc \uc5b4\ub450\uc6b4 \ub0a9\ub55c\ub9c8\uc2a4\ud06c \uac04\uc758 \ub300\uc870\uc785\ub2c8\ub2e4. \ube44\uc544\ub294 \ubcf5\uc7a1\ud55c \uad11\ud559 \ubaa9\ud45c\ubb3c\uc785\ub2c8\ub2e4. \uae4a\uc774, \uadf8\ub9bc\uc790, \ubd88\uaddc\uce59\ud55c \uac00\uc7a5\uc790\ub9ac\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ube44\uc544\ub97c \uc815\ub82c\uc810\uc73c\ub85c \uc0ac\uc6a9\ud558\ub294 \uac83\uc740 \ud48d beating in the wind. \uc774 \uc2dc\uc2a4\ud15c\uc5d0\ub294 \ub354 \ub9ce\uc740 \uc624\ub958\ub97c \ub3c4\uc785\ud558\ub294 \uac83\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub9c8\ucc2c\uac00\uc9c0\ub85c, \ud328\ub4dc \uc790\uccb4\uc758 \ub0a9\ub55c\ub9c8\uc2a4\ud06c \uac1c\uad6c\ubd80\ub97c \uc758\uc874\ud558\uc9c0 \ub9c8\uc138\uc694. \ub0a9\ub55c\ub9c8\uc2a4\ud06c \uc815\ud569 \uc624\ucc28\ub294 \uc5ec\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4(\uc57d +\/- 75\ub9c8\uc774\ud06c\ub85c\ubbf8\ud130). \uad6c\ub9ac \ud328\ub4dc\ub9cc\uc774 \uc804\uae30\uc801\uc73c\ub85c \uc911\uc694\ud55c \uc720\uc77c\ud55c \uc694\uc18c\uc774\ubbc0\ub85c, \uc815\ub82c \ub9c8\ud06c\ub294 \ud328\ub4dc\uc640 \ub3d9\uc77c\ud55c \uad6c\ub9ac\uce35\uc5d0 \uc2dd\uac01\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uadf8\uac83\ub9cc\uc774 \ub450 \uac1c\uac00 \ud568\uaed8 \uc6c0\uc9c1\uc778\ub2e4\ub294 \uac83\uc744 \ubcf4\uc7a5\ud558\ub294 \uc720\uc77c\ud55c \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n\n\n

\ubc14\ub2e5\uc120<\/h2>\n\n\n

\uc774\uac83\uc740 CAD \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc5d0\uc11c \uc774\ub97c \uc124\uc815\ud558\ub294 \ubc29\ubc95\uc5d0 \uad00\ud55c \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4\u2014\uc774\uac83\uc740 \ub2e4\ub978 \uacf3\uc5d0\uc11c \ucc3e\uc744 \uc218 \uc788\ub294 \ud29c\ud1a0\ub9ac\uc5bc\uc785\ub2c8\ub2e4. \uc774\uac83\uc740 \uc0dd\uc0b0 \ud504\ub85c\uc138\uc2a4\uc758 \uc0dd\uc874\uc5d0 \uad00\ud55c \uc774\uc57c\uae30\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub808\uc77c\uc0c1\uc758 \uae00\ub85c\ubc8c \uae30\uc900\uc810\uc740 \ubcf4\ub4dc\ub97c \uae30\uacc4\uc5d0 \ub123\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ud328\ub110\uc744 \uc6b4\ubc18\ud558\uace0 \ub300\ud615, \ub108\uadf8\ub7ec\uc6b4 \ubd80\ud488\ub4e4(\uc804\ud574 \ucee4\ud328\uc2dc\ud130\ub098 \ud070 \uc778\ub355\ud130 \ub4f1)\uc744 \ubc30\uce58\ud558\ub294 \ub370 \ud544\uc694\ud55c \ub300\ub7b5\uc801\uc778 \uc815\ub82c\uc744 \ub2f4\ub2f9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud558\uc9c0\ub9cc \ub85c\uceec \uae30\uc900\uc810\uc740 \ubd80\ud488\uc744 \ud328\ub4dc \uc704\uc5d0 \uc704\uce58\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\ub4e4\uc740 \uc81c\uc870 \uacf5\uc815\uc758 \ub4a4\ud2c0\ub9bc, \uaf2c\uc784, \ub298\uc5b4\ub0a8\uacfc \uac19\uc740 \ud604\uc2e4\uc5d0 \ub300\ud55c \uc720\uc77c\ud55c \ubc29\uc5b4\ucc45\uc785\ub2c8\ub2e4. \uacf5\uac04\uc744 \uc808\uc57d\ud558\uae30 \uc704\ud574 \uc0dd\ub7b5\ud558\ub294 \uac83\uc740 \ud5c8\uc704 \uacbd\uc81c\uc131\uc785\ub2c8\ub2e4. FR-4\uc758 1\ubc00\ub9ac\ubbf8\ud130\ub97c \uc808\uc57d\ud558\uc9c0\ub9cc, \uae30\uc220\uc790 \uc2dc\uac04, X-ray \uac80\uc0ac \ube44\uc6a9, \uadf8\ub9ac\uace0 \ud3d0\uae30\ub41c \ud328\ub110\uc758 \u2018\ube44\uc2fc \ucf58\ud398\ud2f0\u2019\ub85c \ub300\uac00\ub97c \uce58\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n

\uadf8\ub9ac\ub4dc\uc758 \uc644\ubcbd\ud568\uc774 \uc544\ub2c8\ub77c \uc18c\uc7ac\uc758 \ud604\uc2e4\uc744 \uace0\ub824\ud55c \uc124\uacc4.<\/p>","protected":false},"excerpt":{"rendered":"

\ubbf8\uc138\ud53c\uce58 \ubd80\ud488 \ubc30\uce58\ub97c \uc704\ud55c \ub808\uc77c \ud53c\ub4c0\uc15c \uc758\uc874\uc740 \uc7ac\ub8cc \uc65c\uace1\uacfc \uae30\ud558\ud559\uc801 \ub808\ubc84\ub9ac\uc9c0\ub85c \uc778\ud574 \uc7ac\uc559\uc744 \ucd08\ub798\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774 \uae30\uc0ac\ub294 \ubc30\uce58 \uc2e4\ud328\uc758 \ubb3c\ub9ac\ud559\uacfc \ub192\uc740 \ubc00\ub3c4 \uc124\uacc4\uc5d0\uc11c \uc815\ud655\ud55c \uc870\ub9bd\uc744 \ubcf4\uc7a5\ud558\ub294 \uc720\uc77c\ud55c \ubc29\ubc95\uc778 \uad6d\uc18c \ud53c\ub4c0\uc15c\uc758 \uc911\uc694\uc131\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":10131,"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":"Fiducials on the rails are useless for fine-pitch alignment"},"categories":[12],"tags":[],"_links":{"self":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/10132"}],"collection":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/comments?post=10132"}],"version-history":[{"count":1,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/10132\/revisions"}],"predecessor-version":[{"id":10156,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/10132\/revisions\/10156"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/media\/10131"}],"wp:attachment":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/media?parent=10132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/categories?post=10132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/tags?post=10132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}