{"id":7754,"date":"2023-12-04T09:14:14","date_gmt":"2023-12-04T09:14:14","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=7754"},"modified":"2023-12-04T09:14:14","modified_gmt":"2023-12-04T09:14:14","slug":"what-is-etch-back","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/ko\/%ec%97%90%ec%b9%98%eb%b0%b1%ec%9d%b4%eb%9e%80-%eb%ac%b4%ec%97%87%ec%9d%b8%ea%b0%80%ec%9a%94\/","title":{"rendered":"\uc5d0\uce58 \ubc31\uc774\ub780?"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"what-is-etch-back\">\uc5d0\uce58 \ubc31\uc774\ub780?<\/h2>\n\n\n<p>\uc5d0\uce58\ubc31\uc774\ub77c\uace0\ub3c4 \ud558\ub294 \uc5d0\uce58\ubc31\uc740 \uad6c\uba4d\uc758 \uce21\ubcbd\uc5d0\uc11c \ube44\uae08\uc18d \ubb3c\uc9c8\uc744 \uc81c\uc5b4\ud558\uc5ec \uc81c\uac70\ud558\ub294 \uacf5\uc815\uc785\ub2c8\ub2e4. \uc774 \uacf5\uc815\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ud654\ud559 \uacf5\uc815\uacfc \ud50c\ub77c\uc988\ub9c8 \uacf5\uc815\uc758 \uc870\ud569\uc744 \ud1b5\ud574 \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4. \uc5d0\uce58\ubc31\uc758 \ubaa9\uc801\uc740 \ub808\uc9c4 \uc2a4\ubbf8\uc5b4\ub97c \uc81c\uac70\ud558\uace0 \ub0b4\ubd80 \ub3c4\uccb4 \ud45c\uba74\uc744 \ucd94\uac00\ub85c \ub178\ucd9c\ud558\ub294 \ub450 \uac00\uc9c0\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc5d0\uce58\ubc31\uc740 PCB \uc81c\uc870 \uacf5\uc815, \ud2b9\ud788 \ub2e4\uce35 \uc5f0\uc131 \ud68c\ub85c\uc640 \ubcf5\ud569 \ub2e4\uce35 \ub9ac\uc9c0\ub4dc-\ud50c\ub809\uc2a4 \uae30\ud310\uc5d0\uc11c \ud544\uc218\uc801\uc778 \ub2e8\uacc4\uc785\ub2c8\ub2e4. \ub2e4\uc591\ud55c \ud68c\ub85c \ub808\uc774\uc5b4\ub97c \ud568\uaed8 \uc801\uce35\ud558\uace0 \uc2a4\ub8e8\ud640\uc744 \ub6ab\uc740 \ud6c4\uc5d0 \uc218\ud589\ub429\ub2c8\ub2e4. \ubaa9\ud45c\ub294 \uad6c\uba4d \ub0b4\uc758 \uad6c\ub9ac \ud45c\uba74\uc5d0 \uc624\uc5fc \ubb3c\uc9c8\uc774 \uc5c6\ub3c4\ub85d \ud558\uc5ec \ub3c4\uae08\ub41c \uc2a4\ub8e8\ud640\uc758 \uc2e0\ub8b0\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc5d0\uce6d \ubc31 \uacf5\uc815\uc5d0\ub294 \ud3ec\uc9c0\ud2f0\ube0c \uc5d0\uce6d \ubc31\uacfc \ub124\uac70\ud2f0\ube0c \uc5d0\uce6d \ubc31\uc758 \ub450 \uac00\uc9c0 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ud3ec\uc9c0\ud2f0\ube0c \uc5d0\uce6d \ubc31\uc740 \uc720\uc804\uccb4 \uc7ac\ub8cc\ub97c \uc5d0\uce6d\ud558\uac70\ub098 \uc81c\uac70\ud558\uc5ec \ub354 \ub9ce\uc740 \uad6c\ub9ac \uce35\uc744 \ub178\ucd9c\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub354 \ub113\uc740 \uba74\uc801\uc744 \ub3c4\uae08\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \ub3c4\uae08\ub41c \uc2a4\ub8e8\ud640\uc758 \uc2e0\ub8b0\uc131\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4. \ubc18\uba74 \ub124\uac70\ud2f0\ube0c \uc5d0\uce6d \ubc31\uc740 \uc2a4\ub8e8\ud640 \ubc30\ub7f4\uc5d0\uc11c \uad6c\ub9ac \uce35\uc744 \ub2e4\uc2dc \uc5d0\uce6d\ud558\ub294 \uac83\uc744 \ub9d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>IPC-6013 \ud45c\uc900\uc740 \ub2e4\uc591\ud55c \ub4f1\uae09\uc758 \ud68c\ub85c\uc5d0 \ub300\ud55c \ucd5c\uc18c \ub124\uac70\ud2f0\ube0c \uc5d0\uce6d \ubc31 \uac12\uc5d0 \ub300\ud55c \uc0ac\uc591\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud074\ub798\uc2a4 1, 2 \ubc0f 3 \ud68c\ub85c\uc758 \uacbd\uc6b0 \ucd5c\uc18c \ub124\uac70\ud2f0\ube0c \uc5d0\uce6d \ubc31 \uac12\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4: \ud074\ub798\uc2a4 1 - 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