{"id":25363,"date":"2026-06-25T14:02:08","date_gmt":"2026-06-25T05:02:08","guid":{"rendered":"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/"},"modified":"2026-06-25T14:02:08","modified_gmt":"2026-06-25T05:02:08","slug":"%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c","status":"publish","type":"post","link":"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/","title":{"rendered":"\uc2e0\ub77c\uc820 SJ-640 \ud2b9\ud5c8 \ub4f1\ub85d\uc73c\ub85c \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud601\uc2e0\uc744 \uc774\ub04c\ub2e4"},"content":{"rendered":"<p>\uc2e0\ub77c\uc820\uc774 \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud50c\ub7ab\ud3fc\uc758 \uc0c8\ub85c\uc6b4 \uc774\uc815\ud45c\uc778 \u2018SJ-640\u2019\uc5d0 \ub300\ud55c \uad6d\ub0b4 \ud2b9\ud5c8\ub97c \ub4f1\ub85d\ud588\ub2e4\uace0 24\uc77c \ubc1c\ud45c\ud588\ub2e4. \uc774\ub85c\uc368 \uc2e0\ub77c\uc820\uc740 SJ-600 \uc2dc\ub9ac\uc988\uc758 \ud6c4\uc18d \uae30\uc220\uc744 \uacf5\uc2dd\uc801\uc73c\ub85c \ud655\ubcf4\ud558\uac8c \ub418\uc5c8\uc73c\uba70, \uc774 \ud2b9\ud5c8\ub294 \uad6d\ub0b4 \ubc0f \uc77c\ubcf8\uc5d0\uc11c \uc774\ubbf8 \ub4f1\ub85d\ub41c SJ-600 \ud2b9\ud5c8\uc5d0 \uc774\uc5b4\uc9c4 \uc911\uc694\ud55c \uc9c0\uc2dd\uc7ac\uc0b0\uad8c \ud655\uc7a5\uc73c\ub85c \ud3c9\uac00\ub41c\ub2e4.<\/p>\n<p>SJ-640\uc758 \ud575\uc2ec \uae30\uc220\uc740 \ub450 \uc885\ub958\uc758 \ubcf4\uccb4 \uc870\uc808 \ub2e8\ubc31\uc9c8\uc778 \u2018CD55\u2019\uc640 \u2018CD59\u2019\ub97c \ubc14\uc774\ub7ec\uc2a4 \ud45c\uba74\uc5d0 \ub3d9\uc2dc\uc5d0 \ubc1c\ud604\uc2dc\ud0a4\ub294 \uac83\uc774\ub2e4. \ubcf4\uccb4\ub294 \uc778\uccb4 \uba74\uc5ed\uacc4\uc758 \uc911\uc694\ud55c \uad6c\uc131 \uc694\uc18c\ub85c, \uc678\ubd80 \ubb3c\uc9c8\uc778 \ubc14\uc774\ub7ec\uc2a4\uc640 \uc138\uade0\uc744 \uc81c\uac70\ud558\ub294 \uc5ed\ud560\uc744 \uc218\ud589\ud55c\ub2e4. CD55\uc640 CD59\ub294 \uc815\uc0c1 \uc138\ud3ec\uac00 \ubcf4\uccb4\uc758 \uacf5\uaca9\uc744 \ubc1b\uc9c0 \uc54a\ub3c4\ub85d \ubcf4\ud638\ud558\ub294 \ub2e8\ubc31\uc9c8\ub85c, \uc774\ub4e4\uc758 \ub3d9\uc2dc \ubc1c\ud604\uc740 \ubc14\uc774\ub7ec\uc2a4\uc758 \uc0dd\uc874\ub825\uc744 \ub192\uc5ec \uce58\ub8cc \ud6a8\uacfc\ub97c \uadf9\ub300\ud654\ud558\ub294 \ub370 \uae30\uc5ec\ud560 \uac83\uc73c\ub85c \uae30\ub300\ub41c\ub2e4.<\/p>\n<p>\ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \uce58\ub8cc\uc81c\uc758 \uba54\ucee4\ub2c8\uc998\uc740 \uc554\uc138\ud3ec\ub97c \uc120\ud0dd\uc801\uc73c\ub85c \uac10\uc5fc\uc2dc\ucf1c \ud30c\uad34\ud558\ub294 \ubc29\uc2dd\uc774\ub2e4. \uadf8\ub7ec\ub098 \uc815\ub9e5 \ud22c\uc5ec \uc2dc \uccb4\ub0b4 \uba74\uc5ed\uccb4\uacc4\uc5d0 \uc758\ud574 \ubc14\uc774\ub7ec\uc2a4\uac00 \ube60\ub974\uac8c \uc81c\uac70\ub418\uba74\uc11c \uc885\uc591 \uc870\uc9c1\uae4c\uc9c0 \ub3c4\ub2ec\ud558\ub294 \ub370 \ud55c\uacc4\uac00 \uc788\uc5c8\ub2e4. \uc2e0\ub77c\uc820\uc740 \uae30\uc874 SJ-600 \ud50c\ub7ab\ud3fc\uc5d0\uc11c CD55 \ub2e8\ubc31\uc9c8\uc744 \ubc1c\ud604\uc2dc\ucf1c \ubcf4\uccb4\uc758 \uacf5\uaca9\uc744 \uc904\uc774\ub294 \uae30\uc220\uc744 \uac1c\ubc1c\ud588\uc73c\uba70, SJ-640\uc5d0\uc11c\ub294 \uc5ec\uae30\uc5d0 CD59 \ub2e8\ubc31\uc9c8\uc744 \ucd94\uac00\ud558\uc5ec \ubcf4\uccb4\uc5d0 \uc758\ud55c \ubc14\uc774\ub7ec\uc2a4 \uc81c\uac70\ub97c \ub354\uc6b1 \ud6a8\uacfc\uc801\uc73c\ub85c \uc5b5\uc81c\ud560 \uc218 \uc788\ub3c4\ub85d \uc124\uacc4\ud558\uc600\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \uae30\uc220\uc801 \ubc1c\uc804\uc740 \uc2e0\ub77c\uc820\uc774 \uc2ec\ubd80 \uc885\uc591\uc774\ub098 \uc804\uc774\uc554 \uac19\uc740 \ubcf5\uc7a1\ud55c \uc801\uc751\uc99d\uc73c\ub85c\uc758 \ud655\uc7a5\uc744 \uac80\ud1a0\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud560 \uac83\uc73c\ub85c \ubcf4\uc778\ub2e4. \ub450 \ub2e8\ubc31\uc9c8\uc758 \ub3d9\uc2dc \ubc1c\ud604\uc740 \uccb4\ub0b4 \uc0dd\uc874 \uae30\uac04\uc744 \ub298\ub9ac\uace0 \uc885\uc591 \ub3c4\ub2ec \ud6a8\uc728\uc744 \ub192\uc774\ub294 \ub370 \uae30\uc5ec\ud560 \uac83\uc73c\ub85c \uae30\ub300\ub41c\ub2e4. \uc774\ubc88 \ud2b9\ud5c8 \ub4f1\ub85d\uc740 \uc2e0\ub77c\uc820\uc758 SJ-600 \ud50c\ub7ab\ud3fc\uc5d0 \ub300\ud55c \ud2b9\ud5c8 \ud3ec\ud2b8\ud3f4\ub9ac\uc624\ub97c \ud655\uc7a5\ud558\uace0, \uacbd\uc7c1\uc0ac\uc758 \uc6b0\ud68c \uc9c4\uc785\uc744 \ucc28\ub2e8\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc758\ubbf8\ub97c \uac00\uc9c4\ub2e4.<\/p>\n<p>\uc2e0\ub77c\uc820\uc758 \uad00\uacc4\uc790\ub294 \u201cSJ-640 \ud2b9\ud5c8 \ucde8\ub4dd\uc740 \uae30\uc220\uc801 \uc6b0\uc704\ub97c \ubc95\uc801\uc73c\ub85c \ubcf4\ud638\ubc1b\uac8c \ub418\uc5c8\ub2e4\ub294 \uc810\uc5d0\uc11c \ud070 \uc758\ubbf8\uac00 \uc788\ub2e4\u201d\uba70, \u201c\ubaa8\uae30\uc5c5\uc778 \uc5e0\ud22c\uc5d4 \uadf8\ub8f9\uc758 \uc9c0\uc6d0\uacfc \uc9c0\uc18d\uc801\uc778 \ud2b9\ud5c8 \ud655\uc7a5 \uc804\ub7b5\uc744 \ud1b5\ud574 SJ-600 \uc2dc\ub9ac\uc988\uc758 \uac00\uce58\ub97c \ud55c\uce35 \uadf9\ub300\ud654\ud560 \uac83\u201d\uc774\ub77c\uace0 \ubc1d\ud614\ub2e4. \uc774\ub85c\uc368 \uc2e0\ub77c\uc820\uc740 \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ubd84\uc57c\uc5d0\uc11c\uc758 \ub9ac\ub354\uc2ed\uc744 \ub354\uc6b1 \uacf5\uace0\ud788 \ud558\uba70, \ubbf8\ub798\uc758 \ub2e4\uc591\ud55c \uce58\ub8cc \uac00\ub2a5\uc131\uc744 \ud0d0\uc0c9\ud558\ub294 \ub370 \ubc15\ucc28\ub97c \uac00\ud560 \uc608\uc815\uc774\ub2e4. <\/p>\n<p>\uc2e0\ub77c\uc820\uc758 \uc774\ubc88 \ud2b9\ud5c8 \ub4f1\ub85d\uc740 \ub2e8\uc21c\ud788 \uae30\uc220\uc801\uc778 \uc9c4\ubcf4\uc5d0 \uadf8\uce58\uc9c0 \uc54a\uace0, \uc554 \uce58\ub8cc\uc758 \uc0c8\ub85c\uc6b4 \uc9c0\ud3c9\uc744 \uc5ec\ub294 \uc911\uc694\ud55c \ubc1c\ud310\uc774 \ub420 \uac83\uc73c\ub85c \uae30\ub300\ub41c\ub2e4. \uadf8\ub3d9\uc548\uc758 \uc5f0\uad6c \uac1c\ubc1c\uc744 \ubc14\ud0d5\uc73c\ub85c \ud55c SJ-640\uc758 \ub4f1\uc7a5\uc740 \ud56d\uc554 \uce58\ub8cc\uc758 \ud328\ub7ec\ub2e4\uc784\uc744 \ubc14\uafb8\ub294 \uacc4\uae30\uac00 \ub420 \uc218 \uc788\uc73c\uba70, \uc774\ub97c \ud1b5\ud574 \ub9ce\uc740 \ud658\uc790\ub4e4\uc5d0\uac8c \ud76c\ub9dd\uc744 \uc120\uc0ac\ud560 \uc218 \uc788\uc744 \uac83\uc774\ub2e4.<\/p>\n<p>[\uad00\ub828\uae30\uc0ac] <a href = 'https:\/\/n.news.naver.com\/mnews\/article\/018\/0006313681?sid=105' >https:\/\/n.news.naver.com\/mnews\/article\/018\/0006313681?sid=105<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc2e0\ub77c\uc820\uc774 \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud50c\ub7ab\ud3fc\uc758 \uc0c8\ub85c\uc6b4 \uc774\uc815\ud45c\uc778 \u2018SJ-640\u2019\uc5d0 \ub300\ud55c \uad6d\ub0b4 \ud2b9\ud5c8\ub97c \ub4f1\ub85d\ud588\ub2e4\uace0 24\uc77c \ubc1c\ud45c\ud588\ub2e4. \uc774\ub85c\uc368 \uc2e0\ub77c\uc820\uc740 SJ-600 \uc2dc\ub9ac\uc988\uc758 \ud6c4\uc18d \uae30\uc220\uc744 \uacf5\uc2dd\uc801\uc73c\ub85c \ud655\ubcf4\ud558\uac8c \ub418\uc5c8\uc73c\uba70, \uc774 \ud2b9\ud5c8\ub294 \uad6d\ub0b4 \ubc0f \uc77c\ubcf8\uc5d0\uc11c \uc774\ubbf8 \ub4f1\ub85d\ub41c SJ-600 \ud2b9\ud5c8\uc5d0 \uc774\uc5b4\uc9c4 \uc911\uc694\ud55c \uc9c0\uc2dd\uc7ac\uc0b0\uad8c \ud655\uc7a5\uc73c\ub85c \ud3c9\uac00\ub41c\ub2e4. SJ-640\uc758 \ud575\uc2ec \uae30\uc220\uc740 \ub450 \uc885\ub958\uc758 \ubcf4\uccb4 \uc870\uc808 \ub2e8\ubc31\uc9c8\uc778 \u2018CD55\u2019\uc640 \u2018CD59\u2019\ub97c \ubc14\uc774\ub7ec\uc2a4 \ud45c\uba74\uc5d0 \ub3d9\uc2dc\uc5d0 \ubc1c\ud604\uc2dc\ud0a4\ub294 \uac83\uc774\ub2e4. \ubcf4\uccb4\ub294 \uc778\uccb4 \uba74\uc5ed\uacc4\uc758 \uc911\uc694\ud55c \uad6c\uc131 [&hellip;]<\/p>\n","protected":false},"author":98,"featured_media":71,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"\uc2e0\ub77c\uc820","_yoast_wpseo_metadesc":"\uc2e0\ub77c\uc820\uc740 \ucd5c\uc2e0 \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud50c\ub7ab\ud3fc SJ-640\uc758 \uad6d\ub0b4 \ud2b9\ud5c8\ub97c \ub4f1\ub85d\ud558\uba70, \ub450 \uac00\uc9c0 \ubcf4\uccb4 \uc870\uc808 \ub2e8\ubc31\uc9c8\uc744 \ub3d9\uc2dc\uc5d0 \ubc1c\ud604\ud558\ub294 \uae30\uc220\ub85c \uce58\ub8cc \ud6a8\uacfc\ub97c \uadf9\ub300\ud654\ud560 \uac83\uc73c\ub85c \uae30\ub300\ud558\uace0 \uc788\ub2e4. \uc774\ubc88 \ub4f1\ub85d\uc740 \uacbd\uc7c1\uc0ac\uc758 \uc6b0\ud68c \uc9c4\uc785\uc744 \ucc28\ub2e8\ud558\uace0, \ud56d\uc554 \uce58\ub8cc\uc758 \uc0c8\ub85c\uc6b4 \uac00\ub2a5\uc131\uc744 \ubaa8\uc0c9\ud558\ub294 \uc911\uc694\ud55c \uc774\uc815\ud45c\uac00 \ub420 \uac83\uc774\ub2e4.","footnotes":""},"categories":[2],"tags":[6039,13807,13808,13805,13806],"class_list":["post-25363","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2","tag-ai","tag-cd55","tag-cd59","tag-13805","tag-13806"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\uc2e0\ub77c\uc820 SJ-640 \ud2b9\ud5c8 \ub4f1\ub85d\uc73c\ub85c \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud601\uc2e0\uc744 \uc774\ub04c\ub2e4 - \ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c<\/title>\n<meta name=\"description\" content=\"\uc2e0\ub77c\uc820\uc740 \ucd5c\uc2e0 \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud50c\ub7ab\ud3fc SJ-640\uc758 \uad6d\ub0b4 \ud2b9\ud5c8\ub97c \ub4f1\ub85d\ud558\uba70, \ub450 \uac00\uc9c0 \ubcf4\uccb4 \uc870\uc808 \ub2e8\ubc31\uc9c8\uc744 \ub3d9\uc2dc\uc5d0 \ubc1c\ud604\ud558\ub294 \uae30\uc220\ub85c \uce58\ub8cc \ud6a8\uacfc\ub97c \uadf9\ub300\ud654\ud560 \uac83\uc73c\ub85c \uae30\ub300\ud558\uace0 \uc788\ub2e4. \uc774\ubc88 \ub4f1\ub85d\uc740 \uacbd\uc7c1\uc0ac\uc758 \uc6b0\ud68c \uc9c4\uc785\uc744 \ucc28\ub2e8\ud558\uace0, \ud56d\uc554 \uce58\ub8cc\uc758 \uc0c8\ub85c\uc6b4 \uac00\ub2a5\uc131\uc744 \ubaa8\uc0c9\ud558\ub294 \uc911\uc694\ud55c \uc774\uc815\ud45c\uac00 \ub420 \uac83\uc774\ub2e4.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.doochang.co.kr\/blog\/\uc2e0\ub77c\uc820-sj-640-\ud2b9\ud5c8-\ub4f1\ub85d\uc73c\ub85c-\ud56d\uc554\ubc14\uc774\ub7ec\uc2a4-\ud601\uc2e0\uc744-\uc774\ub04c\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\uc2e0\ub77c\uc820 SJ-640 \ud2b9\ud5c8 \ub4f1\ub85d\uc73c\ub85c \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud601\uc2e0\uc744 \uc774\ub04c\ub2e4 - \ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c\" \/>\n<meta property=\"og:description\" content=\"\uc2e0\ub77c\uc820\uc740 \ucd5c\uc2e0 \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud50c\ub7ab\ud3fc SJ-640\uc758 \uad6d\ub0b4 \ud2b9\ud5c8\ub97c \ub4f1\ub85d\ud558\uba70, \ub450 \uac00\uc9c0 \ubcf4\uccb4 \uc870\uc808 \ub2e8\ubc31\uc9c8\uc744 \ub3d9\uc2dc\uc5d0 \ubc1c\ud604\ud558\ub294 \uae30\uc220\ub85c \uce58\ub8cc \ud6a8\uacfc\ub97c \uadf9\ub300\ud654\ud560 \uac83\uc73c\ub85c \uae30\ub300\ud558\uace0 \uc788\ub2e4. \uc774\ubc88 \ub4f1\ub85d\uc740 \uacbd\uc7c1\uc0ac\uc758 \uc6b0\ud68c \uc9c4\uc785\uc744 \ucc28\ub2e8\ud558\uace0, \ud56d\uc554 \uce58\ub8cc\uc758 \uc0c8\ub85c\uc6b4 \uac00\ub2a5\uc131\uc744 \ubaa8\uc0c9\ud558\ub294 \uc911\uc694\ud55c \uc774\uc815\ud45c\uac00 \ub420 \uac83\uc774\ub2e4.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.doochang.co.kr\/blog\/\uc2e0\ub77c\uc820-sj-640-\ud2b9\ud5c8-\ub4f1\ub85d\uc73c\ub85c-\ud56d\uc554\ubc14\uc774\ub7ec\uc2a4-\ud601\uc2e0\uc744-\uc774\ub04c\/\" \/>\n<meta property=\"og:site_name\" content=\"\ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c\" \/>\n<meta property=\"article:published_time\" content=\"2026-06-25T05:02:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/06\/\uc0c1\ud45c\ud50c\ub7ec\uc2a4-6.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1080\" \/>\n\t<meta property=\"og:image:height\" content=\"120\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"titan-choi\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"titan-choi\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/\"},\"author\":{\"name\":\"titan-choi\",\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/#\/schema\/person\/d2531bc494e71bcef47015af0714ade8\"},\"headline\":\"\uc2e0\ub77c\uc820 SJ-640 \ud2b9\ud5c8 \ub4f1\ub85d\uc73c\ub85c \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud601\uc2e0\uc744 \uc774\ub04c\ub2e4\",\"datePublished\":\"2026-06-25T05:02:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/\"},\"wordCount\":25,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/06\/\uc0c1\ud45c\ud50c\ub7ec\uc2a4-6.png\",\"keywords\":[\"AI\ud2b9\ud5c8\ucd9c\uc6d0\",\"CD55\",\"CD59\",\"\uc2e0\ub77c\uc820\",\"\ud56d\uc554\ubc14\uc774\ub7ec\uc2a4\"],\"articleSection\":[\"\uc9c0\uc2dd\uc7ac\uc0b0\uad8c \ub274\uc2a4\"],\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/\",\"url\":\"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/\",\"name\":\"\uc2e0\ub77c\uc820 SJ-640 \ud2b9\ud5c8 \ub4f1\ub85d\uc73c\ub85c \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud601\uc2e0\uc744 \uc774\ub04c\ub2e4 - \ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c\",\"isPartOf\":{\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/06\/\uc0c1\ud45c\ud50c\ub7ec\uc2a4-6.png\",\"datePublished\":\"2026-06-25T05:02:08+00:00\",\"description\":\"\uc2e0\ub77c\uc820\uc740 \ucd5c\uc2e0 \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud50c\ub7ab\ud3fc SJ-640\uc758 \uad6d\ub0b4 \ud2b9\ud5c8\ub97c \ub4f1\ub85d\ud558\uba70, \ub450 \uac00\uc9c0 \ubcf4\uccb4 \uc870\uc808 \ub2e8\ubc31\uc9c8\uc744 \ub3d9\uc2dc\uc5d0 \ubc1c\ud604\ud558\ub294 \uae30\uc220\ub85c \uce58\ub8cc \ud6a8\uacfc\ub97c \uadf9\ub300\ud654\ud560 \uac83\uc73c\ub85c \uae30\ub300\ud558\uace0 \uc788\ub2e4. \uc774\ubc88 \ub4f1\ub85d\uc740 \uacbd\uc7c1\uc0ac\uc758 \uc6b0\ud68c \uc9c4\uc785\uc744 \ucc28\ub2e8\ud558\uace0, \ud56d\uc554 \uce58\ub8cc\uc758 \uc0c8\ub85c\uc6b4 \uac00\ub2a5\uc131\uc744 \ubaa8\uc0c9\ud558\ub294 \uc911\uc694\ud55c \uc774\uc815\ud45c\uac00 \ub420 \uac83\uc774\ub2e4.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#breadcrumb\"},\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#primaryimage\",\"url\":\"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/06\/\uc0c1\ud45c\ud50c\ub7ec\uc2a4-6.png\",\"contentUrl\":\"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/06\/\uc0c1\ud45c\ud50c\ub7ec\uc2a4-6.png\",\"width\":1080,\"height\":120},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.doochang.co.kr\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\uc2e0\ub77c\uc820 SJ-640 \ud2b9\ud5c8 \ub4f1\ub85d\uc73c\ub85c \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud601\uc2e0\uc744 \uc774\ub04c\ub2e4\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/#website\",\"url\":\"https:\/\/www.doochang.co.kr\/blog\/\",\"name\":\"\ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c\",\"description\":\"\uc9c0\uc2dd\uc7ac\uc0b0\uad8c\uc758 \uba54\uce74 \ub450\ucc3d\ud2b9\ud5c8\",\"publisher\":{\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.doochang.co.kr\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ko-KR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/#organization\",\"name\":\"\ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c\",\"url\":\"https:\/\/www.doochang.co.kr\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/09\/mark2.png\",\"contentUrl\":\"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/09\/mark2.png\",\"width\":657,\"height\":885,\"caption\":\"\ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c\"},\"image\":{\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/#\/schema\/person\/d2531bc494e71bcef47015af0714ade8\",\"name\":\"titan-choi\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/www.doochang.co.kr\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/fc6d88aae8089aea239f6738326b7f3d9050cb6552f58f471d06fe07f80e34fb?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/fc6d88aae8089aea239f6738326b7f3d9050cb6552f58f471d06fe07f80e34fb?s=96&d=mm&r=g\",\"caption\":\"titan-choi\"},\"url\":\"https:\/\/www.doochang.co.kr\/blog\/author\/titan-choi\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\uc2e0\ub77c\uc820 SJ-640 \ud2b9\ud5c8 \ub4f1\ub85d\uc73c\ub85c \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud601\uc2e0\uc744 \uc774\ub04c\ub2e4 - \ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c","description":"\uc2e0\ub77c\uc820\uc740 \ucd5c\uc2e0 \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud50c\ub7ab\ud3fc SJ-640\uc758 \uad6d\ub0b4 \ud2b9\ud5c8\ub97c \ub4f1\ub85d\ud558\uba70, \ub450 \uac00\uc9c0 \ubcf4\uccb4 \uc870\uc808 \ub2e8\ubc31\uc9c8\uc744 \ub3d9\uc2dc\uc5d0 \ubc1c\ud604\ud558\ub294 \uae30\uc220\ub85c \uce58\ub8cc \ud6a8\uacfc\ub97c \uadf9\ub300\ud654\ud560 \uac83\uc73c\ub85c \uae30\ub300\ud558\uace0 \uc788\ub2e4. \uc774\ubc88 \ub4f1\ub85d\uc740 \uacbd\uc7c1\uc0ac\uc758 \uc6b0\ud68c \uc9c4\uc785\uc744 \ucc28\ub2e8\ud558\uace0, \ud56d\uc554 \uce58\ub8cc\uc758 \uc0c8\ub85c\uc6b4 \uac00\ub2a5\uc131\uc744 \ubaa8\uc0c9\ud558\ub294 \uc911\uc694\ud55c \uc774\uc815\ud45c\uac00 \ub420 \uac83\uc774\ub2e4.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.doochang.co.kr\/blog\/\uc2e0\ub77c\uc820-sj-640-\ud2b9\ud5c8-\ub4f1\ub85d\uc73c\ub85c-\ud56d\uc554\ubc14\uc774\ub7ec\uc2a4-\ud601\uc2e0\uc744-\uc774\ub04c\/","og_locale":"ko_KR","og_type":"article","og_title":"\uc2e0\ub77c\uc820 SJ-640 \ud2b9\ud5c8 \ub4f1\ub85d\uc73c\ub85c \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud601\uc2e0\uc744 \uc774\ub04c\ub2e4 - \ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c","og_description":"\uc2e0\ub77c\uc820\uc740 \ucd5c\uc2e0 \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud50c\ub7ab\ud3fc SJ-640\uc758 \uad6d\ub0b4 \ud2b9\ud5c8\ub97c \ub4f1\ub85d\ud558\uba70, \ub450 \uac00\uc9c0 \ubcf4\uccb4 \uc870\uc808 \ub2e8\ubc31\uc9c8\uc744 \ub3d9\uc2dc\uc5d0 \ubc1c\ud604\ud558\ub294 \uae30\uc220\ub85c \uce58\ub8cc \ud6a8\uacfc\ub97c \uadf9\ub300\ud654\ud560 \uac83\uc73c\ub85c \uae30\ub300\ud558\uace0 \uc788\ub2e4. \uc774\ubc88 \ub4f1\ub85d\uc740 \uacbd\uc7c1\uc0ac\uc758 \uc6b0\ud68c \uc9c4\uc785\uc744 \ucc28\ub2e8\ud558\uace0, \ud56d\uc554 \uce58\ub8cc\uc758 \uc0c8\ub85c\uc6b4 \uac00\ub2a5\uc131\uc744 \ubaa8\uc0c9\ud558\ub294 \uc911\uc694\ud55c \uc774\uc815\ud45c\uac00 \ub420 \uac83\uc774\ub2e4.","og_url":"https:\/\/www.doochang.co.kr\/blog\/\uc2e0\ub77c\uc820-sj-640-\ud2b9\ud5c8-\ub4f1\ub85d\uc73c\ub85c-\ud56d\uc554\ubc14\uc774\ub7ec\uc2a4-\ud601\uc2e0\uc744-\uc774\ub04c\/","og_site_name":"\ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c","article_published_time":"2026-06-25T05:02:08+00:00","og_image":[{"width":1080,"height":120,"url":"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/06\/\uc0c1\ud45c\ud50c\ub7ec\uc2a4-6.png","type":"image\/png"}],"author":"titan-choi","twitter_card":"summary_large_image","twitter_misc":{"Written by":"titan-choi"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#article","isPartOf":{"@id":"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/"},"author":{"name":"titan-choi","@id":"https:\/\/www.doochang.co.kr\/blog\/#\/schema\/person\/d2531bc494e71bcef47015af0714ade8"},"headline":"\uc2e0\ub77c\uc820 SJ-640 \ud2b9\ud5c8 \ub4f1\ub85d\uc73c\ub85c \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud601\uc2e0\uc744 \uc774\ub04c\ub2e4","datePublished":"2026-06-25T05:02:08+00:00","mainEntityOfPage":{"@id":"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/"},"wordCount":25,"commentCount":0,"publisher":{"@id":"https:\/\/www.doochang.co.kr\/blog\/#organization"},"image":{"@id":"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#primaryimage"},"thumbnailUrl":"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/06\/\uc0c1\ud45c\ud50c\ub7ec\uc2a4-6.png","keywords":["AI\ud2b9\ud5c8\ucd9c\uc6d0","CD55","CD59","\uc2e0\ub77c\uc820","\ud56d\uc554\ubc14\uc774\ub7ec\uc2a4"],"articleSection":["\uc9c0\uc2dd\uc7ac\uc0b0\uad8c \ub274\uc2a4"],"inLanguage":"ko-KR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/","url":"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/","name":"\uc2e0\ub77c\uc820 SJ-640 \ud2b9\ud5c8 \ub4f1\ub85d\uc73c\ub85c \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud601\uc2e0\uc744 \uc774\ub04c\ub2e4 - \ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c","isPartOf":{"@id":"https:\/\/www.doochang.co.kr\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#primaryimage"},"image":{"@id":"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#primaryimage"},"thumbnailUrl":"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/06\/\uc0c1\ud45c\ud50c\ub7ec\uc2a4-6.png","datePublished":"2026-06-25T05:02:08+00:00","description":"\uc2e0\ub77c\uc820\uc740 \ucd5c\uc2e0 \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud50c\ub7ab\ud3fc SJ-640\uc758 \uad6d\ub0b4 \ud2b9\ud5c8\ub97c \ub4f1\ub85d\ud558\uba70, \ub450 \uac00\uc9c0 \ubcf4\uccb4 \uc870\uc808 \ub2e8\ubc31\uc9c8\uc744 \ub3d9\uc2dc\uc5d0 \ubc1c\ud604\ud558\ub294 \uae30\uc220\ub85c \uce58\ub8cc \ud6a8\uacfc\ub97c \uadf9\ub300\ud654\ud560 \uac83\uc73c\ub85c \uae30\ub300\ud558\uace0 \uc788\ub2e4. \uc774\ubc88 \ub4f1\ub85d\uc740 \uacbd\uc7c1\uc0ac\uc758 \uc6b0\ud68c \uc9c4\uc785\uc744 \ucc28\ub2e8\ud558\uace0, \ud56d\uc554 \uce58\ub8cc\uc758 \uc0c8\ub85c\uc6b4 \uac00\ub2a5\uc131\uc744 \ubaa8\uc0c9\ud558\ub294 \uc911\uc694\ud55c \uc774\uc815\ud45c\uac00 \ub420 \uac83\uc774\ub2e4.","breadcrumb":{"@id":"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#breadcrumb"},"inLanguage":"ko-KR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/"]}]},{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#primaryimage","url":"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/06\/\uc0c1\ud45c\ud50c\ub7ec\uc2a4-6.png","contentUrl":"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/06\/\uc0c1\ud45c\ud50c\ub7ec\uc2a4-6.png","width":1080,"height":120},{"@type":"BreadcrumbList","@id":"https:\/\/www.doochang.co.kr\/blog\/%ec%8b%a0%eb%9d%bc%ec%a0%a0-sj-640-%ed%8a%b9%ed%97%88-%eb%93%b1%eb%a1%9d%ec%9c%bc%eb%a1%9c-%ed%95%ad%ec%95%94%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4-%ed%98%81%ec%8b%a0%ec%9d%84-%ec%9d%b4%eb%81%8c\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.doochang.co.kr\/blog\/"},{"@type":"ListItem","position":2,"name":"\uc2e0\ub77c\uc820 SJ-640 \ud2b9\ud5c8 \ub4f1\ub85d\uc73c\ub85c \ud56d\uc554\ubc14\uc774\ub7ec\uc2a4 \ud601\uc2e0\uc744 \uc774\ub04c\ub2e4"}]},{"@type":"WebSite","@id":"https:\/\/www.doochang.co.kr\/blog\/#website","url":"https:\/\/www.doochang.co.kr\/blog\/","name":"\ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c","description":"\uc9c0\uc2dd\uc7ac\uc0b0\uad8c\uc758 \uba54\uce74 \ub450\ucc3d\ud2b9\ud5c8","publisher":{"@id":"https:\/\/www.doochang.co.kr\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.doochang.co.kr\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ko-KR"},{"@type":"Organization","@id":"https:\/\/www.doochang.co.kr\/blog\/#organization","name":"\ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c","url":"https:\/\/www.doochang.co.kr\/blog\/","logo":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/www.doochang.co.kr\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/09\/mark2.png","contentUrl":"https:\/\/www.doochang.co.kr\/blog\/wp-content\/uploads\/2025\/09\/mark2.png","width":657,"height":885,"caption":"\ub450\ucc3d\ud2b9\ud5c8\ubc95\ub960\uc0ac\ubb34\uc18c"},"image":{"@id":"https:\/\/www.doochang.co.kr\/blog\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.doochang.co.kr\/blog\/#\/schema\/person\/d2531bc494e71bcef47015af0714ade8","name":"titan-choi","image":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/www.doochang.co.kr\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/fc6d88aae8089aea239f6738326b7f3d9050cb6552f58f471d06fe07f80e34fb?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/fc6d88aae8089aea239f6738326b7f3d9050cb6552f58f471d06fe07f80e34fb?s=96&d=mm&r=g","caption":"titan-choi"},"url":"https:\/\/www.doochang.co.kr\/blog\/author\/titan-choi\/"}]}},"_links":{"self":[{"href":"https:\/\/www.doochang.co.kr\/blog\/wp-json\/wp\/v2\/posts\/25363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.doochang.co.kr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.doochang.co.kr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.doochang.co.kr\/blog\/wp-json\/wp\/v2\/users\/98"}],"replies":[{"embeddable":true,"href":"https:\/\/www.doochang.co.kr\/blog\/wp-json\/wp\/v2\/comments?post=25363"}],"version-history":[{"count":0,"href":"https:\/\/www.doochang.co.kr\/blog\/wp-json\/wp\/v2\/posts\/25363\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.doochang.co.kr\/blog\/wp-json\/wp\/v2\/media\/71"}],"wp:attachment":[{"href":"https:\/\/www.doochang.co.kr\/blog\/wp-json\/wp\/v2\/media?parent=25363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.doochang.co.kr\/blog\/wp-json\/wp\/v2\/categories?post=25363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.doochang.co.kr\/blog\/wp-json\/wp\/v2\/tags?post=25363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}