{"id":10512,"date":"2025-12-12T08:38:35","date_gmt":"2025-12-12T08:38:35","guid":{"rendered":"https:\/\/www.besterpcba.com\/invisible-failure-selective-soldering\/"},"modified":"2025-12-15T02:09:14","modified_gmt":"2025-12-15T02:09:14","slug":"invisible-failure-selective-soldering","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/ko\/%eb%b3%b4%ec%9d%b4%ec%a7%80-%ec%95%8a%eb%8a%94-%ec%8b%a4%ed%8c%a8-%ec%84%a0%ed%83%9d%ec%a0%81-%eb%82%a9%eb%95%9c\/","title":{"rendered":"\ubcf4\uc774\uc9c0 \uc54a\ub294 \uc2e4\ud328: \uc120\ud0dd\uc801 \ub0a9\ub55c\uc774 \uc790\uc2e0\uc758 \uc5f0\uacb0\uc744 \uac09\uc544\uba39\uc744 \ub54c"},"content":{"rendered":"

\uace0\uc2e0\ub8b0\uc131 \uc804\uc790\uc81c\ud488\uc5d0\uc11c \uac00\uc7a5 \uc704\ud5d8\ud55c \ub0a9\ub55c \uc811\ud569\ubd80\ub294 \ubabb\uc0dd\uae34 \uc811\ud569\ubd80\uac00 \uc544\ub2d9\ub2c8\ub2e4. \ub0c9\ub0a9, \ube0c\ub9ac\uc9c0, \ud0c8\uc2b5\uc724 \ud604\uc0c1\uc740 \uba85\ubc31\ud55c \uacb0\ud568\uc785\ub2c8\ub2e4. \uc5b4\ub5a4 AOI \uae30\uacc4\ub098 \uc219\ub828\ub41c \uc791\uc5c5\uc790\ub3c4 \ubcf4\ub4dc\uac00 \uc0dd\uc0b0 \ub77c\uc778\uc744 \ub5a0\ub098\uae30 \uc804\uc5d0 \uc774\ub97c \uc7a1\uc544\ub0c5\ub2c8\ub2e4. \ud074\ub798\uc2a4 3 \uc81c\ud488\uc5d0 \uc9c4\uc815\ud55c \uc704\ud611\uc774 \ub418\ub294 \uac83\uc740 \uc644\ubcbd\ud574 \ubcf4\uc774\ub294 \uc811\ud569\ubd80\uc785\ub2c8\ub2e4. \ub9e4\ub044\ub7fd\uace0 \ubc18\uc9dd\uc774\ub294 \ud544\ub81b\uc774 \uc788\uc2b5\ub2c8\ub2e4. 100% \ud640 \ud544\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc721\uc548 \uac80\uc0ac\ub3c4 \uc644\ubcbd\ud558\uac8c \ud1b5\uacfc\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uadf8 \ubc18\uc9dd\uc774\ub294 \ud45c\uba74 \uc544\ub798\uc5d0\ub294 \uc804\uae30\uc801 \uc5f0\uacb0\uc744 \uac00\ub2a5\ud558\uac8c \ud558\ub294 \uad6c\ub9ac \uad6c\uc870\uac00 \ud654\ud559\uc801\uc73c\ub85c \uc9c0\uc6cc\uc838 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud504\ub85c\ud1a0\ud0c0\uc785\uc5d0\uc11c \ub300\ub7c9 \uc0dd\uc0b0\uc73c\ub85c \uc804\ud658\ud558\ub294 \uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ud55c \uc2dc\uc124\uc774 \uae30\uc874 \uc81c\ud488\uc744 SAC305 \ubb34\uc5f0 \uacf5\uc815\uc73c\ub85c \uc804\ud658\ud569\ub2c8\ub2e4. \ubcf4\ub4dc\ub294 \uc120\ud0dd\uc801 \ub0a9\ub55c \ub77c\uc778\uc5d0\uc11c \ub098\uc62c \ub54c \uae68\ub057\ud574 \ubcf4\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 6\uac1c\uc6d4 \ud6c4 \ud604\uc7a5 \ubc18\ud488\uc774 \uac04\ud5d0\uc801\uc778 \uac1c\ubc29 \ud68c\ub85c \ubb38\uc81c\ub85c \ub4e4\uc5b4\uc624\uae30 \uc2dc\uc791\ud569\ub2c8\ub2e4. \uc9c4\ub3d9 \ud14c\uc2a4\ud2b8 \uacb0\uacfc \ub9ac\ub4dc\uac00 \ubcf4\ub4dc\uc5d0\uc11c \uace7\ubc14\ub85c \ube60\uc838\ub098\uc624\ub294 \ud604\uc0c1\uc774 \ub098\ud0c0\ub0a9\ub2c8\ub2e4. \uc9c4\uc2e4\uc744 \ubcfc \uc218 \uc788\ub294 \uc720\uc77c\ud55c \ubc29\ubc95\uc778 \ub2e8\uba74 \ubd84\uc11d\uc5d0\uc11c \ub054\ucc0d\ud55c \uc0ac\uc2e4\uc774 \ub4dc\ub7ec\ub0a9\ub2c8\ub2e4: \uad00\ud1b5 \ud640 \ubc30\ub7f4\uc758 \"\ubb34\ub98e\" \ubd80\ubd84\uc774 \uc0ac\ub77c\uc84c\uc2b5\ub2c8\ub2e4. \uc774 \ubd80\ubd84\uc740 \ub3c4\uae08\uc774 \ud640 \ubcbd\uc5d0\uc11c \ud45c\uba74 \ud328\ub4dc\ub85c \uad7d\ub294 \uc911\uc694\ud55c \uc811\ud569\ubd80\uc785\ub2c8\ub2e4. \uade0\uc5f4\uc774 \ub09c \uac83\uc774 \uc544\ub2c8\ub77c \uc6a9\ud574\ub41c \uac83\uc785\ub2c8\ub2e4. \ub0a9\ub55c\uc740 \ub9e8 \uc12c\uc720\uc720\ub9ac \uc704\uc5d0 \ubd99\uc5b4 \uc788\uace0, \uc804\uae30\uc801 \uc5f0\uacb0\uc740 \ubbf8\uc138\ud55c \ucde8\uc131 \uae08\uc18d\uac04 \ud654\ud569\ubb3c \uce35 \uc704\uc5d0 \ub5a0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774\uac83\uc774 \uad6c\ub9ac \uc6a9\ud574 \ud604\uc0c1\uc785\ub2c8\ub2e4. \uae30\uacc4\uc801 \uace0\uc7a5\uc774 \uc544\ub2c8\ub77c \ud654\ud559\uc801 \uc9c0\uc6c0\uc785\ub2c8\ub2e4. \ub0a9\ub55c \uc6a9\ud0d5\uc774 \uc6a9\ub9e4 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ubb34\uc5f0 \ud569\uae08 \uc2dc\ub300\uc5d0 \uc6a9\ud574\ub3c4\uc758 \ubb3c\ub9ac\ub97c \ubb34\uc2dc\ud558\uba74 \uc120\ud0dd\uc801 \ub0a9\ub55c \uae30\uacc4\uac00 \uc790\ub3d9 \ud30c\uad34 \uc7a5\uce58\uac00 \ub429\ub2c8\ub2e4.<\/p>\n\n\n

\ubc30\uace0\ud508 \ud569\uae08\uc758 \ubb3c\ub9ac\ud559<\/h2>\n\n
\n
\"\uc120\ud0dd\uc801
\uc120\ud0dd\uc801 \ub0a9\ub55c \ub178\uc990\uc740 \ud2b9\uc815 \uc9c0\uc810\uc5d0 \uc2e0\uc120\ud558\uace0 \ub728\uac70\uc6b4 \ub0a9\ub55c\uc744 \uc9c0\uc18d\uc801\uc73c\ub85c \uacf5\uae09\ud569\ub2c8\ub2e4.<\/figcaption><\/figure>\n<\/div>\n\n\n

\ub0a9\ub55c\uc740 \uc811\ucc29\uc774 \uc544\ub2c8\ub77c \ud569\uae08\ud654\uc785\ub2c8\ub2e4. \uc6a9\uc735\ub41c \ub0a9\ub55c\uc774 \uad6c\ub9ac \ud45c\uba74\uc5d0 \uc816\uc73c\uba74 \ub2e8\uc21c\ud788 \uc704\uc5d0 \uc549\uc544 \uc788\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uad6c\ub9ac \uc77c\ubd80\ub97c \uc6a9\ud574\uc2dc\ucf1c \uc77c\ubc18\uc801\uc73c\ub85c Cu6Sn5\uc778 \uae08\uc18d\uac04 \ud654\ud569\ubb3c(IMC)\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. \uc774 \uce35\uc740 \uacb0\ud569\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 SAC305(\uc8fc\uc11d-\uc740-\uad6c\ub9ac) \uac19\uc740 \ubb34\uc5f0 \ud569\uae08\uc740 \uad6c\ud615 \uc8fc\uc11d-\ub0a9(SnPb) \uc138\ub300\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \uacf5\uaca9\uc801\uc778 \uc6a9\ub9e4\uc785\ub2c8\ub2e4. \uad6c\ub9ac\ub97c \ub9e4\uc6b0 \ud0d0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc561\uccb4 \ub0a9\ub55c\uc774 \uace0\uccb4 \uad6c\ub9ac\ub97c \uba39\ub294 \uc18d\ub3c4\ub97c \uacb0\uc815\ud558\ub294 \ub450 \ubcc0\uc218\ub294 \uc628\ub3c4\uc640 \ud750\ub984\uc785\ub2c8\ub2e4. \uc544\ub808\ub2c8\uc6b0\uc2a4 \ubc29\uc815\uc2dd\uc5d0 \ub530\ub974\uba74 \uc6a9\ud0d5 \uc628\ub3c4\uac00 10\u00b0C \uc0c1\uc2b9\ud560 \ub54c\ub9c8\ub2e4 \ubc18\uc751 \uc18d\ub3c4(\uc989, \uc6a9\ud574 \uc18d\ub3c4)\uac00 \ube44\uc120\ud615\uc801\uc73c\ub85c \uac00\uc18d\ub429\ub2c8\ub2e4. \uc5b4\ub824\uc6b4 \ubcf4\ub4dc\uc5d0 \ud750\ub984\uc744 \uac15\uc81c\ub85c \ub123\uae30 \uc704\ud574 \uc6a9\ud0d5\uc744 290\u00b0C \ub610\ub294 300\u00b0C\ub85c \uc6b4\uc6a9\ud558\uba74 \uad6c\ub9ac \ub3c4\uae08 \uce68\uc2dd\uc774 \uac00\uc18d\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud558\uc9c0\ub9cc \uc628\ub3c4\ub294 \ubc29\uc815\uc2dd\uc758 \uc808\ubc18\uc5d0 \ubd88\uacfc\ud569\ub2c8\ub2e4. \uc120\ud0dd\uc801 \ub0a9\ub55c\uc740 \ub3d9\uc801 \uc694\uc18c\uc778 \ud750\ub984 \uc18d\ub3c4\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc6e8\uc774\ube0c \ub0a9\ub55c\uc740 \ubcf4\ub4dc\uac00 \uc6e8\uc774\ube0c \uc704\ub97c \ud55c \ubc88 \uc9c0\ub098\uac00\uc9c0\ub9cc, \uc120\ud0dd\uc801 \ub178\uc990\uc740 \ud540 \uc544\ub798\uc5d0 \uba38\ubb3c\uba70 \uc2e0\uc120\ud558\uace0 \ub728\uac70\uc6b4 \ud3ec\ud654\ub418\uc9c0 \uc54a\uc740 \ub0a9\ub55c\uc744 \uad6c\ub9ac \ud45c\uba74\uc5d0 \ud38c\ud551\ud569\ub2c8\ub2e4. \uc774 \uc9c0\uc18d\uc801\uc778 \ubcf4\ucda9\uc740 \ud3ec\ud654 \uacbd\uacc4\uce35\uc744 \uc81c\uac70\ud558\uc5ec \uc2e0\uc120\ud55c \ub0a9\ub55c\uc774 \uad6c\ub9ac\ub97c \uacc4\uc18d \uacf5\uaca9\ud560 \uc218 \uc788\uac8c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc720\uc9c0\ubcf4\uc218 \ud300\uc744 \uc885\uc885 \ub2f9\ud669\ud558\uac8c \ud558\ub294 \ub450 \ubc88\uc9f8 \ubcc0\uc218\ub294 \ubc14\ub85c \uc6a9\uae30\uc758 \uad6c\ub9ac \ud568\ub7c9\uc785\ub2c8\ub2e4. \uae30\uacc4\uac00 \uc791\ub3d9\ud558\uba74\uc11c \ubcf4\ub4dc\uc5d0\uc11c \uad6c\ub9ac\uac00 \uc6a9\ud574\ub418\uc5b4 \ud569\uae08 \ub0b4 \uad6c\ub9ac \ube44\uc728\uc774 \uc0c1\uc2b9\ud569\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \ub0a9\ub55c\uc758 \uc561\uc0c1\uc120 \uc628\ub3c4\uac00 \uc62c\ub77c\uac00 \ub0a9\ub55c\uc774 \"\ub290\ub824\uc9c0\uac70\ub098\" \uac70\uce60\uc5b4\uc9d1\ub2c8\ub2e4. \ub290\ub9b0 \ub0a9\ub55c\uc744 \ubcf8 \uacf5\uc815 \uc5d4\uc9c0\ub2c8\uc5b4\uc758 \uc790\uc5f0\uc2a4\ub7ec\uc6b4 \ubc18\uc751\uc740 \uc6a9\uae30 \uc628\ub3c4\ub97c \uc62c\ub9ac\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub294 \ud53c\ub4dc\ubc31 \ub8e8\ud504\ub97c \ub9cc\ub4ed\ub2c8\ub2e4: \uc628\ub3c4\uac00 \ub192\uc544\uc9c8\uc218\ub85d \ub354 \ub9ce\uc740 \uad6c\ub9ac\uac00 \uc6a9\ud574\ub418\uc5b4 \ub179\ub294\uc810\uc774 \uc62c\ub77c\uac00\uace0, \uc774\ub294 \ub2e4\uc2dc \uc628\ub3c4\ub97c \ub192\uc774\uac8c \ub9cc\ub4ed\ub2c8\ub2e4. \ub9cc\uc57d \ub0a9\ub55c \uc6a9\uae30\ub97c \uc815\uae30\uc801\uc73c\ub85c \ubd84\uc11d\ud558\uc9c0 \uc54a\uace0 \uad6c\ub9ac \ud568\ub7c9\uc774 \ud569\uae08 \uc81c\uc870\uc5c5\uccb4\uc758 \ud55c\uacc4(\ub300\uac1c SAC305\uc758 \uacbd\uc6b0 0.9%\uc5d0\uc11c 1.0% \uc0ac\uc774)\ub97c \ucd08\uacfc\ud560 \ub54c \uad50\uccb4\ud558\uc9c0 \uc54a\ub294\ub2e4\uba74, \uc704\ud5d8\ud55c \uc628\ub3c4\uc5d0\uc11c\ub9cc \ud750\ub97c \uc218 \uc788\ub294 \uc695\uc870\uc5d0\uc11c \ubcf4\ub4dc\ub97c \uc870\ub9ac\ud558\ub294 \uc148\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uad00\ud1b5 \ud640 \uc811\ud569\ubd80\uc758 \uce58\uba85\uc801\uc778 \ucde8\uc57d\uc810\uc740 \ud640\uc758 \"\ubb34\ub98e\" \ubd80\ubd84\uc785\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 PCB \uc81c\uc791 \uacf5\uc815\uc5d0\uc11c \ubb34\ub98e \ubd80\ubd84\uc758 \ub3c4\uae08\uc740 \uc804\uae30 \ub3c4\uae08 \ubb3c\ub9ac\ud559 \ub54c\ubb38\uc5d0 \ud3c9\ud3c9\ud55c \ubc30\ub7f4 \ubcbd\ubcf4\ub2e4 \uc587\uc2b5\ub2c8\ub2e4. \ubc30\ub7f4\uc5d0 25\u00b5m \uad6c\ub9ac\uac00 \uc788\ub2e4\uba74 \ubb34\ub98e\uc5d0\ub294 15\u00b5m \ub610\ub294 20\u00b5m\ub9cc \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacf5\uaca9\uc801\uc778 \uc120\ud0dd\uc801 \ub0a9\ub55c\uc774 \uc774 \uc601\uc5ed\uc744 \ub36e\uc73c\uba74 \uc704\ucabd(\ud328\ub4dc \uce21)\uacfc \ub0b4\ubd80(\ubc30\ub7f4 \uce21)\uc5d0\uc11c \ub3d9\uc2dc\uc5d0 \uacf5\uaca9\ud569\ub2c8\ub2e4. 15\u00b5m \uad6c\ub9ac\ub97c \uc6a9\ud574\ud558\ub294 \ub370 \ub9ce\uc740 \uccb4\ub958 \uc2dc\uac04\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uad6c\ub9ac\uac00 \uc0ac\ub77c\uc9c0\uba74 \ub0a9\ub55c\uc740 PCB\uc758 \uc5d0\ud3ed\uc2dc \uc720\ub9ac\uc5d0 \uc816\uc2b5\ub2c8\ub2e4. \uc5f0\uacb0\ub41c \uac83\ucc98\ub7fc \ubcf4\uc774\uc9c0\ub9cc \uae30\uacc4\uc801 \uc644\uc804\uc131\uc740 \uc81c\ub85c\uc785\ub2c8\ub2e4.<\/p>\n\n\n

\uc5f4 \uc644\ud654 \uc804\uc7c1\ud130<\/h2>\n\n
\n
\"\ub124
\uc5f4 \uc644\ud654 \uc2a4\ud3ec\ud06c\ub294 \ud328\ub4dc\ub97c \uc811\uc9c0\uba74\uc5d0 \uc5f0\uacb0\ud558\uc5ec \uc804\uae30 \uc811\ucd09\uacfc \ub0a9\ub55c \uac00\ub2a5\uc131\uc758 \uade0\ud615\uc744 \ub9de\ucda5\ub2c8\ub2e4.<\/figcaption><\/figure>\n<\/div>\n\n\n

\uc6a9\ud574\uc758 \ubb3c\ub9ac\ub294 \ub0a9\ub55c \uc6a9\ud0d5\uc5d0\uc11c \ubc1c\uc0dd\ud558\uc9c0\ub9cc, \uadfc\ubcf8 \uc6d0\uc778\uc740 \uac70\uc758 \ud56d\uc0c1 CAD \ub370\uc774\ud130\uc5d0\uc11c \ubc1c\uacac\ub429\ub2c8\ub2e4. PCB\uc758 \uc5f4 \uc124\uacc4\uac00 \uc88b\uc9c0 \uc54a\uc73c\uba74 \uad6c\ub9ac \uc6a9\ud574\ub97c \ub2e4\ub978 \uc5b4\ub5a4 \uc694\uc778\ubcf4\ub2e4 \ub354 \ucd09\uc9c4\ud569\ub2c8\ub2e4. \uad6c\uccb4\uc801\uc73c\ub85c, \uc774\ub294 \uacac\uace0\ud55c \uc811\uc9c0 \uc5f0\uacb0\uc5d0 \ub300\ud55c \uc804\uae30\uc801 \uc694\uad6c\uc640 \uc5f4 \uc644\ud654\uc5d0 \ub300\ud55c \uc81c\uc870 \uc694\uad6c \uac04\uc758 \uc2f8\uc6c0\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624\ub294 12\uce35 \ubcf4\ub4dc\uc5d0\uc11c \uc5ec\ub7ec \uc811\uc9c0\uba74\uc5d0 \uc5f0\uacb0\ub41c \uace0\uc804\ub958 \ucee4\ub125\ud130 \ud540\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc124\uacc4\uc790\uac00 \"\uc194\ub9ac\ub4dc\" \uc5f0\uacb0\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc5f4 \uc644\ud654 \uc2a4\ud3ec\ud06c \uc5c6\uc774 \ud540\uc5d0 \uc9c1\uc811 \uad6c\ub9ac\ub97c \ubc94\ub78c\uc2dc\ud0a4\uba74, \uadf8 \ud540\uc740 \uac70\ub300\ud55c \ud788\ud2b8 \uc2f1\ud06c\uac00 \ub429\ub2c8\ub2e4. \uc120\ud0dd\uc801 \ub0a9\ub55c \ub178\uc990\uc774 \uadf8 \ud540\uc5d0 \ub2ff\uc73c\uba74 \uc5f4\uc774 \uc989\uc2dc \ub0b4\ubd80 \uce35\uc73c\ub85c \uc2a4\uba70\ub4e4\uc5b4 \ub0a9\ub55c\uc774 \uad6c\uba4d\uc744 \ud0c0\uace0 \uc62c\ub77c\uac00\uae30 \uc804\uc5d0 \uad73\uc5b4\ubc84\ub9bd\ub2c8\ub2e4.<\/p>\n\n\n\n

\uae30\uacc4 \uc55e\uc5d0 \uc11c \uc788\ub294 \uacf5\uc815 \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uace4\ub780\ud55c \uc0c1\ud669\uc5d0 \ucc98\ud588\uc2b5\ub2c8\ub2e4. \uc811\ud569\ubd80\uac00 \ucc44\uc6cc\uc9c0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubcf4\ub4dc \uc124\uacc4\ub97c \ubcc0\uacbd\ud560 \uc218 \uc5c6\uc73c\uba70 Gerber \ud30c\uc77c\uc774 \uc7a0\uaca8 \uc788\uc2b5\ub2c8\ub2e4. \uc720\uc77c\ud55c \uc218\ub2e8\uc740 \uae30\uacc4 \ud504\ub85c\ud30c\uc77c\ubfd0\uc785\ub2c8\ub2e4. \uadf8\ub798\uc11c \uccb4\ub958 \uc2dc\uac04\uc744 \ub298\ub9bd\ub2c8\ub2e4. \uc548\uc804\ud55c 2\ucd08 \uccb4\ub958 \ub300\uc2e0 6, 8, \ub610\ub294 10\ucd08\ub85c \ub298\ub9bd\ub2c8\ub2e4. \ub610\ud55c \uc6a9\ud0d5 \uc628\ub3c4\ub97c 320\u00b0C\ub85c \uc62c\ub9b4 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uacb0\uad6d \uc5f4\uc774 \uc811\uc9c0\uba74\uc758 \uc5f4 \uc9c8\ub7c9\uc744 \uadf9\ubcf5\ud558\uace0 \ub0a9\ub55c\uc774 \uc0c1\ub2e8\uc73c\ub85c \ud750\ub985\ub2c8\ub2e4. \uc811\ud569\ubd80\ub294 \ucc44\uc6cc\uc9c4 \uac83\ucc98\ub7fc \ubcf4\uc785\ub2c8\ub2e4. \uc131\uacf5\uc77c\uae4c\uc694? \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5f4\uc774 \ubc30\ub7f4\uc744 \ud0c0\uace0 \uc0c1\ub2e8\uc73c\ub85c \uc62c\ub77c\uac00\ub824 \uc560\uc4f0\ub294 \ub3d9\uc548, \ub178\uc990\uc774 \ub728\uac70\uc6b4 \ub0a9\ub55c\uc744 \ubd84\uc0ac\ud558\ub294 \uc811\ud569\ubd80 \ud558\ub2e8\uc740 10\ucd08 \ub3d9\uc548 \uacfc\uc5f4\ub418\uace0 \uace0\uc18d\uc758 \uc6a9\ub9e4 \uc695\uc870\uc5d0 \ub193\uc5ec \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \ud558\ub2e8 \ubb34\ub98e\uacfc \ud558\ubd80 \ubc30\ub7f4\uc758 \uad6c\ub9ac\ub294 \uc644\uc804\ud788 \ubc97\uaca8\uc84c\uc2b5\ub2c8\ub2e4. \uc791\uc5c5\uc790\ub294 \ucc44\uc6cc\uc9c4 \uad6c\uba4d\uc744 \ubcf4\uace0 \uc2b9\uc778\ud569\ub2c8\ub2e4. \ub2e8\uba74\uc744 \ubcf4\uba74 \uc18d\uc774 \ube48 \uc7ac\uc559\uc774 \ub4dc\ub7ec\ub0a9\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774 \ud654\ud559\uc801 \uce68\uc2dd\uc744 \ud328\ub4dc \ub4e4\ub738\uacfc \uac19\uc740 \uae30\uacc4\uc801 \uacb0\ud568\uacfc \uad6c\ubd84\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \ud328\ub4dc \ub4e4\ub738\uc740 \uc885\uc885 \uc5f4 \ucda9\uaca9\uc774\ub098 \uae30\uacc4\uc801 \uc2a4\ud2b8\ub808\uc2a4\ub85c \uc778\ud574 \uad6c\ub9ac\uac00 \uc720\ub9ac\uc12c\uc720\uc5d0\uc11c \ubc97\uaca8\uc9c0\ub294 \uacb0\uacfc\uc785\ub2c8\ub2e4. \uc6a9\ud574\ub294 \ub2e4\ub985\ub2c8\ub2e4. \uad6c\ub9ac\uac00 \ubc97\uaca8\uc9c0\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \ub0a9\ub55c \uc6a9\ud0d5 \uc6a9\uc561 \uc18d\uc73c\ub85c \uc0ac\ub77c\uc9c0\ub294 \uac83\uc785\ub2c8\ub2e4. \ud655\ub300\ud574\uc11c \uac70\uce60\uac70\ub098 \uc587\uc544\uc9c4 \"\ub4e4\ub72c \ud328\ub4dc\"\ub97c \ubcf4\uba74, \uc774\ub294 \ubc15\ub9ac\ub97c \uc57d\ud654\uc2dc\ucf1c \uace0\uc7a5\uc744 \uc77c\uc73c\ud0a8 \uc6a9\ud574 \ud604\uc0c1\uc77c \uac00\ub2a5\uc131\uc774 \ud07d\ub2c8\ub2e4.<\/p>\n\n\n

\"\ub2e8 \uba87 \ucd08\ub9cc \ub354\"\uc758 \uc704\ud5d8\ud55c \ub17c\ub9ac<\/h2>\n\n\n

\ubcf4\ud3b8\uc801\uc778 \"\uc548\uc804\ud55c\" \uccb4\ub958 \uc2dc\uac04\uc740 \uc5c6\uc2b5\ub2c8\ub2e4. \"\uc808\ub300 4\ucd08\ub97c \ub118\uc9c0 \ub9c8\ub77c\"\uc640 \uac19\uc740 \uace0\uc815\ub41c \uc22b\uc790\ub97c \uc81c\uc2dc\ud558\ub294 \uc0ac\ub78c\uc740 \uc9c0\ub098\uce58\uac8c \ub2e8\uc21c\ud654\ud558\uc5ec \uc624\ub958\uc5d0 \uc774\ub985\ub2c8\ub2e4. 0.5oz \uad6c\ub9ac \ubcf4\ub4dc\uc5d0\uc11c 4\ucd08 \uccb4\ub958\ub294 \uce58\uba85\uc801\uc77c \uc218 \uc788\uc9c0\ub9cc, 3oz \ub450\uaebc\uc6b4 \uad6c\ub9ac \ubc31\ud50c\ub808\uc778\uc5d0\uc11c\ub294 6\ucd08 \uccb4\ub958\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc704\ud5d8\uc758 \ube44\uc120\ud615\uc131\uc740 \uc77c\uc815\ud569\ub2c8\ub2e4. 6\ucd08\uc640 8\ucd08 \uc0ac\uc774\uc5d0 \ubc1c\uc0dd\ud558\ub294 \uc190\uc0c1\uc740 1\ucd08\uc640 2\ucd08 \uc0ac\uc774\uc758 \uc190\uc0c1\ubcf4\ub2e4 \ud6e8\uc52c \ud07d\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774 \uc704\ud5d8\uc740 \uc7ac\uc791\uc5c5\uc73c\ub85c \ub354\uc6b1 \uc2ec\ud654\ub429\ub2c8\ub2e4. \ub9ce\uc740 \uace0\ud63c\ud569 \uc81c\uc870 \ud658\uacbd\uc5d0\uc11c \uc120\ud0dd\uc801 \ub0a9\ub55c \uc811\ud569\ubd80\uac00 \uc644\uc804\ud788 \ucc44\uc6cc\uc9c0\uc9c0 \uc54a\uc73c\uba74 \ubcf4\ub4dc\ub294 \uc218\uc791\uc5c5 \ub0a9\ub55c \uc2a4\ud14c\uc774\uc158\uc73c\ub85c \ubcf4\ub0b4\uc838 \"\ud130\uce58\uc5c5\"\ub429\ub2c8\ub2e4. \uc774\uac83\uc774 \uc885\uc885 \ucd5c\ud6c4\uc758 \uacb0\uc815\ud0c0\uc785\ub2c8\ub2e4. \uc120\ud0dd\uc801 \uacf5\uc815\uc740 \uc774\ubbf8 \uad6c\ub9ac \ub3c4\uae08\uc744 \uc0c1\ub2f9\ud788 \uc587\uac8c \ub9cc\ub4e4\uc5c8\uc2b5\ub2c8\ub2e4. \uae30\uc220\uc790\uac00 \ub0a9\ub55c \uc778\ub450(\uc885\uc885 \ubb34\uac70\uc6b4 \uc811\uc9c0\uba74\uc744 \ub2e4\ub8e8\uae30 \uc704\ud574 750\u00b0F\/400\u00b0C\ub85c \uc124\uc815)\ub85c \ud50c\ub7ed\uc2a4\uc640 \uc640\uc774\uc5b4\ub97c \ucd94\uac00\ud558\uba74, \uc774\ubbf8 \uc190\uc0c1\ub41c \ubc30\ub7f4\uc5d0\uc11c \uc6a9\ud574 \uacfc\uc815\uc774 \ub2e4\uc2dc \uc2dc\uc791\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\"\ud130\uce58\uc5c5\" \ubb38\ud654\uc758 \uc544\uc774\ub7ec\ub2c8\ub294 75%\ub85c \ucc44\uc6cc\uc9c4 \uad6c\uba4d\uc774 \uc885\uc885 100% \ucc44\uc6b0\uae30\ub97c \uc704\ud574 \uc7ac\uc791\uc5c5\ub41c \ub3d9\uc77c \uad6c\uba4d\ubcf4\ub2e4 \uae30\uacc4\uc801\uc73c\ub85c \ub354 \uac15\ud558\uace0 \uc804\uae30\uc801\uc73c\ub85c \ucda9\ubd84\ud558\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4(IPC Class 2 \ubc0f \uc77c\ubd80 Class 3 \uc870\uac74\uc5d0 \ub530\ub77c). \uc2dc\uac01\uc801 \uc644\ubcbd\ud568\uc744 \ucd94\uad6c\ud558\ub294 \uacfc\uc815\uc5d0\uc11c \uc791\uc5c5\uc790\ub294 \uc5f0\uacb0\uc758 \ub0b4\ubd80 \uad6c\uc870\ub97c \ud30c\uad34\ud569\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \ubcf8\uc9c8\uc801\uc73c\ub85c \uc9c0\ubd95\uc744 \uce60\ud558\uae30 \uc704\ud574 \uc9d1\uc744 \ubd88\ud0dc\uc6b0\ub294 \uc148\uc785\ub2c8\ub2e4.<\/p>\n\n\n

\uac80\uc99d: \ub208\ubcf4\ub2e4 \ubb3c\ub9ac\ub97c \uc2e0\ub8b0\ud558\uae30<\/h2>\n\n\n

\uc2dc\uac01 \uac80\uc0ac\uac00 \uc774 \uc2e4\ud328 \ubaa8\ub4dc\ub97c \uac10\uc9c0\ud558\uc9c0 \ubabb\ud55c\ub2e4\uba74, \uc5b4\ub5bb\uac8c \uacf5\uc815\uc744 \uac80\uc99d\ud569\ub2c8\uae4c? \ub9ce\uc740 \uc870\uc9c1\uc758 \ud604\uc2e4\uc740 \uace0\uc2e0\ub8b0\uc131 \uc81c\ud488\uc5d0 \ub300\ud55c \uc120\ud0dd\uc801 \ub0a9\ub55c \uacf5\uc815\uc744 \ud30c\uad34 \uac80\uc0ac \uc5c6\uc774 \uac80\uc99d\ud560 \uc218 \uc5c6\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc81c\ud488 \ub77c\uc778\uc744 \uad6c\ud558\uae30 \uc704\ud574 \ubcf4\ub4dc\ub97c \ud76c\uc0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774\ub294 \"\uc5f4 \uac10\uc0ac\" \ub610\ub294 \uacf5\uc815 \uc790\uaca9 \ubd80\uc5ec\uc5d0\uc11c \uc2dc\uc791\ub429\ub2c8\ub2e4. \uc0c8 \ubcf4\ub4dc\ub97c \ud504\ub85c\ud30c\uc77c\ub9c1\ud560 \ub54c \uace0\uc9c8\ub7c9 \uc811\uc9c0 \ud540\uc744 \uc2dd\ubcc4\ud558\uc2ed\uc2dc\uc624. \uad6c\uba4d \ucc44\uc6b0\uae30\ub97c \ub2ec\uc131\ud558\ub294 \ud504\ub85c\ud30c\uc77c\uc744 \uc2e4\ud589\ud55c \ud6c4, \ud574\ub2f9 \ubcf4\ub4dc\ub97c \uac00\uc838\uc640 \ud2b9\uc815 \ud540\uc758 \ub2e8\uba74\uc744 \uac80\uc0ac\ud569\ub2c8\ub2e4. \ubb34\ub98e \ubd80\ubd84\uc5d0 \ub0a8\uc544 \uc788\ub294 \uad6c\ub9ac \ub450\uaed8\ub97c \uce21\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. IPC-6012 Class 3\ub294 \ud2b9\uc815 \ub0a8\uc740 \ub3c4\uae08 \ub450\uaed8\ub97c \uc694\uad6c\ud558\uc9c0\ub9cc, \uc77c\ubc18\uc801\uc778 \uacf5\ud559 \uaddc\uce59\uc73c\ub85c \ub0a9\ub55c\ub418\uc9c0 \uc54a\uc740 \uc601\uc5ed\uacfc \ube44\uad50\ud574 50% \uc774\uc0c1 \uad6c\ub9ac\uac00 \uc587\uc544\uc9c0\uba74 \uacf5\uc815\uc774 \ud1b5\uc81c \ubd88\ub2a5 \uc0c1\ud0dc\uc784\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub2e8\uba74\uc5d0\uc11c \uc6a9\ud574\uac00 \ubcf4\uc774\uba74, \uc27d\uc9c0 \uc54a\uc740 \uc138 \uac00\uc9c0 \uc120\ud0dd\uc9c0\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

    \n
  1. \ud558\ub2e8 \uce21 \uc608\uc5f4 \ub3c4\uc785.<\/strong> \ub178\uc990\uc774 \ub2ff\uae30 \uc804\uc5d0 \ubcf4\ub4dc \uc804\uccb4 \uc628\ub3c4\ub97c 110\u00b0C-130\u00b0C\ub85c \uc62c\ub9ac\uba74, \ub178\uc990\uc774 \uadf9\ubcf5\ud574\uc57c \ud560 \uc5f4 \ucc28\uc774\ub97c \uc904\uc5ec \uccb4\ub958 \uc2dc\uac04\uc744 \ub2e8\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n
  2. \ub354 \ud070 \ub178\uc990 \uc9c1\uacbd \uc0ac\uc6a9.<\/strong> \uacf5\uac04\uc774 \ud5c8\uc6a9\ub41c\ub2e4\uba74, \ub354 \ud070 \uc720\ub7c9\uc774 \uc881\uc740 \uc81c\ud2b8\ubcf4\ub2e4 \uc5f4\uc744 \ub354 \ud6a8\uc728\uc801\uc73c\ub85c \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n
  3. \ub514\uc790\uc778\uc5d0 \ub300\ud574 \ubc18\ubc15\ud558\uc138\uc694.<\/strong> \uc774\uac83\uc740 \uac00\uc7a5 \uc5b4\ub835\uc9c0\ub9cc \uac00\uc7a5 \ud544\uc694\ud55c \ub2e8\uacc4\uc785\ub2c8\ub2e4. \ub2e8\uba74 \ub370\uc774\ud130\ub97c PCB \ub808\uc774\uc544\uc6c3 \ud300\uc5d0 \ubcf4\uc5ec\uc8fc\uc138\uc694. \uacac\uace0\ud55c \uc811\uc9c0 \uc5f0\uacb0\ub3c4 \uc81c\uc870 \uacf5\uc815\uc774 \ub3c4\uae08\uc744 \ud30c\uad34\ud558\ub3c4\ub85d \uac15\uc694\ud55c\ub2e4\uba74 \"\uacac\uace0\ud558\ub2e4\"\uace0 \ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n

    \ubb3c\ub9ac\ub294 \ub2f9\uc2e0\uc758 \uc0dd\uc0b0 \uc77c\uc815\uc774\ub098 \uc218\uc728 \ubaa9\ud45c\uc5d0 \uc2e0\uacbd \uc4f0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uacf5\uaca9\uc801\uc778 \ubb34\uc5f0 \ud569\uae08, \uace0\uc628, \uae34 \uccb4\ub958 \uc2dc\uac04\uc744 \uacb0\ud569\ud558\uba74 \uad6c\ub9ac\uac00 \uc6a9\ud574\ub429\ub2c8\ub2e4. \uc720\uc77c\ud55c \ubc29\uc5b4\ucc45\uc740 \uc704\uc758 \ubc18\uc9dd\uc774\ub294 \ud544\ub81b\ub9cc \ubcf4\ub294 \uac83\uc744 \uba48\ucd94\uace0 \uc544\ub798\uc758 \ubcf4\uc774\uc9c0 \uc54a\ub294 \uce68\uc2dd\uc744 \uac71\uc815\ud558\uae30 \uc2dc\uc791\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

    \uc120\ud0dd\uc801 \ub0a9\ub55c\uc5d0\uc11c\uc758 \ucc28\uac11\uace0 \uc228\uaca8\uc9c4 \uacb0\ud568\uc740 \uc811\ud569\ubd80\uac00 \uc644\ubcbd\ud574 \ubcf4\uc778 \ud6c4\uc5d0\ub3c4 \uace0\ubc00\ub3c4 \ubcf4\ub4dc\ub97c \uc704\ud611\ud569\ub2c8\ub2e4. \uc774 \uae00\uc740 \ubc18\uc9dd\uc774\ub294 \ud544\ub81b \uc544\ub798\uc758 \uad6c\ub9ac \uc6a9\ud574\uc640 \uc628\ub3c4, \ud750\ub984, \uad6c\ub9ac \ud568\ub7c9\uc774 \uc65c \uc704\ud5d8\ud558\uace0 \ubcf4\uc774\uc9c0 \uc54a\ub294 \ubd80\uc2dd\uc744 \uc720\ubc1c\ud558\ub294\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":10613,"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":"Selective solder copper dissolution that turns good joints into fragile joints","footnotes":""},"categories":[12],"tags":[],"class_list":["post-10512","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/10512","targetHints":{"allow":["GET"]}}],"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=10512"}],"version-history":[{"count":4,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/10512\/revisions"}],"predecessor-version":[{"id":10690,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/10512\/revisions\/10690"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/media\/10613"}],"wp:attachment":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/media?parent=10512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/categories?post=10512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/tags?post=10512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}