{"id":9090,"date":"2026-01-22T13:43:52","date_gmt":"2026-01-22T13:43:52","guid":{"rendered":"https:\/\/www.zehsm.com\/?p=9090"},"modified":"2026-01-22T13:43:52","modified_gmt":"2026-01-22T13:43:52","slug":"%ea%b3%a0%ec%84%b1%eb%8a%a5-ndfeb-%ec%8a%a4%ed%94%bc%ec%bb%a4%ec%9d%98-%ec%a1%b0%eb%a6%bd-%ea%b3%b5%ec%a0%95%ec%9d%84-%ec%a0%9c%ec%a1%b0-%ea%b0%80%ec%9d%b4%eb%93%9c%ea%b0%80-%ec%95%88%eb%82%b4","status":"publish","type":"post","link":"https:\/\/www.zehsm.com\/ko\/manufacturing-guide-the-assembly-process-of-high-performance-ndfeb-speakers\/","title":{"rendered":"\uc81c\uc870 \uac00\uc774\ub4dc: \uace0\uc131\ub2a5 NdFeB \uc2a4\ud53c\ucee4 \uc870\ub9bd \uacf5\uc815"},"content":{"rendered":"<h2>NdFeB \uc790\uc11d \ubc0f \uc74c\ud5a5 \uc131\ub2a5 \uc18c\uac1c<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.zehsm.com\/wp-content\/uploads\/2026\/01\/Plastic-box-speaker.jpg\" alt=\"\ud50c\ub77c\uc2a4\ud2f1 \ubc15\uc2a4 \uc2a4\ud53c\ucee4\" title=\"\ud50c\ub77c\uc2a4\ud2f1 \ubc15\uc2a4 \uc2a4\ud53c\ucee4\" class=\"wpauto-inline-image\" style=\"max-width: 100%;height: auto;margin: 20px auto\" \/><\/p>\n<p>\uace0\uc131\ub2a5 \uc2a4\ud53c\ucee4\ub294 \uc815\ubc00 \uacf5\ud559\uacfc \uc74c\ud5a5 \uacfc\ud559\uc758 \uad50\ucc28\uc810\uc744 \ub300\ud45c\ud558\uba70, \ub124\uc624\ub514\ubbb4 \ucca0 \ubd95\uc18c(NdFeB) \uc790\uc11d\uc740 \ud604\ub300 \ub4dc\ub77c\uc774\ubc84 \uc124\uacc4\uc758 \ucd08\uc11d\uc73c\ub85c \uc790\ub9ac \uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4. 1980\ub144\ub300\uc5d0 \ucc98\uc74c \uac1c\ubc1c\ub41c \uc774 \ud76c\ud1a0\ub958 \uc790\uc11d\uc740 \uc0c1\uc6a9 \uc601\uad6c \uc790\uc11d \uc911 \uac00\uc7a5 \ub192\uc740 \uc790\uae30 \uc5d0\ub108\uc9c0 \uc81c\ud488\uc744 \uc81c\uacf5\ud558\uba70, \uc77c\ubc18\uc801\uc73c\ub85c 35~52 MGOe(\uba54\uac00\uac00\uc6b0\uc2a4 \uc678\ub974\uc2a4\ud14c\ub4dc) \ubc94\uc704\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud0c1\uc6d4\ud55c \uac15\ub3c4\ub294 \ubcf4\uc774\uc2a4 \ucf54\uc77c \uac2d\uc5d0\uc11c \uc790\uc18d \ubc00\ub3c4\ub97c \ud76c\uc0dd\ud558\uc9c0 \uc54a\uc73c\uba74\uc11c \ub354\uc6b1 \ucef4\ud329\ud2b8\ud558\uace0 \ud6a8\uc728\uc801\uc778 \ub4dc\ub77c\uc774\ubc84 \uc124\uacc4\ub97c \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4. \uacfc\ub3c4 \uc751\ub2f5\uacfc \ud6a8\uc728\uc131\uc774 \uac00\uc7a5 \uc911\uc694\ud55c \uc804\ubb38 \uc624\ub514\uc624 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c NdFeB \uc790\uc11d\uc740 \uae30\uc900 \ub808\ubca8\uc5d0\uc11c \ucd1d \uace0\uc870\ud30c \uc65c\uace1\uc744 0.5% \ubbf8\ub9cc\uc73c\ub85c \uc720\uc9c0\ud558\uba74\uc11c 90dB(2.83V\/1m)\ub97c \ucd08\uacfc\ud558\ub294 \uac10\ub3c4 \ub4f1\uae09\uc758 \uc2a4\ud53c\ucee4 \uc124\uacc4\ub97c \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc2a4\ud37c\ucee4\uc758 \uc81c\uc870 \uacf5\uc815\uc740 \uc790\uae30 \ud68c\ub85c \uc124\uacc4, \uc5f4 \uad00\ub9ac \ubc0f \uae30\uacc4\uc801 \ud1b5\ud569\uc5d0 \ub300\ud55c \uc138\uc2ec\ud55c \uc8fc\uc758\ub97c \uc218\ubc18\ud558\uba70, \uac01 \uc870\ub9bd \ub2e8\uacc4\ub294 \uc2a4\ud29c\ub514\uc624 \ubaa8\ub2c8\ud130\ub9c1\ubd80\ud130 \ub77c\uc774\ube0c \uc0ac\uc6b4\ub4dc \uac15\ud654\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \uae4c\ub2e4\ub85c\uc6b4 \ud658\uacbd\uc5d0\uc11c \ucd5c\uc885 \uc74c\ud5a5 \ucd9c\ub825, \uc8fc\ud30c\uc218 \uc751\ub2f5 \uc120\ud615\uc131 \ubc0f \uc7a5\uae30 \uc2e0\ub8b0\uc131\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.zehsm.com\/wp-content\/uploads\/2026\/01\/Neodymium-magnet-speaker.jpg\" alt=\"\ub124\uc624\ub514\ubbb4 \uc790\uc11d \uc2a4\ud53c\ucee4\" title=\"\ub124\uc624\ub514\ubbb4 \uc790\uc11d \uc2a4\ud53c\ucee4\" class=\"wpauto-inline-image\" style=\"max-width: 100%;height: auto;margin: 20px auto\" \/><\/p>\n<h2>\uc7ac\ub8cc \uc900\ube44 \ubc0f \uc790\uc11d \uc870\ub9bd<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.zehsm.com\/wp-content\/uploads\/2026\/01\/JBL-1.5inch-speaker-8ohm-10w.jpg\" alt=\"JBL 1.5\uc778\uce58 \uc2a4\ud53c\ucee4 8\uc634 10W\" title=\"JBL 1.5\uc778\uce58 \uc2a4\ud53c\ucee4 8\uc634 10W\" class=\"wpauto-inline-image\" style=\"max-width: 100%;height: auto;margin: 20px auto\" \/><\/p>\n<p>\uc81c\uc870 \uacfc\uc815\uc740 \uc7ac\ub8cc \uc0ac\uc591 \ubc0f \uc900\ube44\ub85c \uc2dc\uc791\ub429\ub2c8\ub2e4. NdFeB \uc790\uc11d\uc740 \uc870\ub9bd \uc2dc\uc124\uc5d0 \ub3c4\ucc29\ud558\uae30 \uc804\uc5d0 \uc18c\uacb0 \ub610\ub294 \ubcf8\ub529 \uacf5\uc815\uc744 \uac70\uce69\ub2c8\ub2e4. \uc18c\uacb0 NdFeB \uc790\uc11d(\uc77c\ubc18\uc801\uc73c\ub85c N35~N52 \ub4f1\uae09)\uc740 \ucd5c\ub300 \uc5d0\ub108\uc9c0 \uc81c\ud488\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc \uc0b0\ud654\ub418\uae30 \uc26c\uc6b0\ubbc0\ub85c \ub0b4\uc2dd\uc131 \ucf54\ud305(\uc77c\ubc18\uc801\uc73c\ub85c \ub2c8\ucf08-\uad6c\ub9ac-\ub2c8\ucf08(Ni-Cu-Ni) \ub3c4\uae08, \uc5d0\ud3ed\uc2dc \ucf54\ud305 \ub610\ub294 \ubb3c\ub9ac\uc801 \uae30\uc0c1 \uc99d\ucc29(PVD))\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ubcf8\ub4dc \uc790\uc11d(\ud3f4\ub9ac\uba38 \ub9e4\ud2b8\ub9ad\uc2a4 \uc0ac\uc6a9)\uc740 \ubcf5\uc7a1\ud55c \ud615\uc0c1\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc \uc790\uae30 \ucd9c\ub825\uc774 \uac10\uc18c\ud569\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\uc758 \ud488\uc9c8 \uad00\ub9ac\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uac00\uc6b0\uc2a4 \ubbf8\ud130 \uce21\uc815\uc744 \ud1b5\ud55c \ud45c\uba74 \uc790\uae30\uc7a5 \uac15\ub3c4 \ud655\uc778(\ud45c\uc900 \uad6c\uc131\uc5d0\uc11c N45 \ub4f1\uae09\uc758 \uacbd\uc6b0 \uc77c\ubc18\uc801\uc73c\ub85c 12,000~14,000 \uac00\uc6b0\uc2a4)<\/li>\n<li>\uce58\uc218 \uacf5\ucc28 \uac80\uc99d(\uc815\ubc00 \uc870\ub9bd\uc758 \uacbd\uc6b0 \u00b10.05mm)<\/li>\n<li>\uc2b5\ub3c4 \ub178\ucd9c\uc744 \ud1b5\ud55c \ucf54\ud305 \ubb34\uacb0\uc131 \ud14c\uc2a4\ud2b8(85\u00b0C\/85% RH\uc5d0\uc11c 24\uc2dc\uac04 \uac80\uc99d)<\/li>\n<\/ul>\n<p>\uc790\uae30 \ud68c\ub85c \uc870\ub9bd\uc740 30,000 Oe\ub97c \ucd08\uacfc\ud558\ub294 \ud384\uc2a4 \ud544\ub4dc\ub97c \uc0dd\uc131\ud560 \uc218 \uc788\ub294 \ub0b4\ubd80 \ub610\ub294 \uc678\ubd80 \ucc29\uc790 \uc9c0\uadf8\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ud604\ub300 \uc2dc\uc124\uc740 \ucef4\ud4e8\ud130 \uc81c\uc5b4 \ucc29\uc790 \uc2dc\uc2a4\ud15c\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucd5c\uc885 \uc870\ub9bd \uc704\uce58\uc5d0\uc11c \uc790\uae30 \ub3c4\uba54\uc778\uc744 \uc815\ub82c\ud558\uba70, \uc790\uae30 \ud68c\ub85c\ub97c \uc644\uc131\ud558\ub294 \uac15\ucca0 \ud3f4 \ud53c\uc2a4\ub97c \uace0\ub824\ud569\ub2c8\ub2e4. \uc774 \u201c\ud604\uc7a5\u201d \ucc29\uc790\ub294 \ubcf4\uc774\uc2a4 \ucf54\uc77c \uac2d\uc5d0\uc11c \ucd5c\uc801\uc758 \uc790\uc18d \ubd84\ud3ec\ub97c \ubcf4\uc7a5\ud558\uc5ec \ubaa8\ud130 \uc120\ud615\uc131\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ud3f4 \ud53c\uc2a4\/\uc694\ud06c \uc870\ub9bd\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc800\ud0c4\uc18c\uac15(1008\/1010 \ub4f1\uae09) \ub610\ub294 \ud2b9\uc218 \uaddc\uc18c\uac15\uc744 \uc0ac\uc6a9\ud558\uba70, \uade0\uc77c\ud55c \uc790\uae30 \uac2d \uce58\uc218\ub97c \uc720\uc9c0\ud558\uae30 \uc704\ud574 0.1mm \ubbf8\ub9cc\uc758 \uacf5\ucc28\ub85c \uac00\uacf5\ub429\ub2c8\ub2e4. \ucd5c\uadfc \ubc1c\uc804\uc5d0\ub294 \uc720\ud55c \uc694\uc18c \ud574\uc11d(FEA) \ucd5c\uc801\ud654 \ud3f4 \ud615\uc0c1\uc774 \ud3ec\ud568\ub418\uc5b4 \uae30\uc874 \uc124\uacc4 \ub300\ube44 \uc790\uc18d \ubcc0\uc870 \uc65c\uace1\uc744 15~20% \uac10\uc18c\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<p><em>\ud45c 1: NdFeB \uc790\uc11d \ub4f1\uae09 \ubc0f \uc74c\ud5a5 \uc751\uc6a9 \ud2b9\uc131<\/em><br \/>\n| <strong>\uc790\uc11d \ub4f1\uae09<\/strong> | <strong>\uc794\ub958 \uc790\uc18d \ubc00\ub3c4 (Br) \ud14c\uc2ac\ub77c<\/strong> | <strong>\ubcf4\uc790\ub825 (Hcb) kA\/m<\/strong> | <strong>\uc5d0\ub108\uc9c0 \uc81c\ud488 (BHmax) kJ\/m\u00b3<\/strong> | <strong>\uc77c\ubc18\uc801\uc778 \uc2a4\ud53c\ucee4 \uc751\uc6a9 \ubd84\uc57c<\/strong> | <strong>\uc791\ub3d9 \uc628\ub3c4 \ud55c\uacc4<\/strong> |<br \/>\n|\u2014\u2014\u2014\u2014\u2014\u2014|\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2013|\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014|\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014-|\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2013|\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2013|<br \/>\n| N35              | 1.17-1.21                | \u2265868                     | 263-287                          | \uc18c\ube44\uc790 \uc624\ub514\uc624, \ucef4\ud329\ud2b8 \ubaa8\ub2c8\ud130 | 80\u00b0C                     |<br \/>\n| N42              | 1.28-1.32                | \u2265955                     | 318-342                          | \uc804\ubb38 \uc2a4\ud29c\ub514\uc624 \ubaa8\ub2c8\ud130   | 80\u00b0C                     |<br \/>\n| N45              | 1.33-1.37                | \u2265955                     | 342-366                          | \uace0\ucd9c\ub825 PA \uc6b0\ud37c         | 80\u00b0C                     |<br \/>\n| N50              | 1.40-1.45                | \u2265876                     | 382-406                          | \ud504\ub9ac\ubbf8\uc5c4 \uc11c\ube0c\uc6b0\ud37c             | 60\u00b0C                     |<br \/>\n| N52              | 1.43-1.48                | \u2265876                     | 398-422                          | \ud2b9\uc218 \uace0\ud6a8\uc728 \ub4dc\ub77c\uc774\ubc84 | 60\u00b0C                     |<\/p>\n<h2>\ubcf4\uc774\uc2a4 \ucf54\uc77c \ud1b5\ud569 \ubc0f \uc11c\uc2a4\ud39c\uc158 \uc870\ub9bd<\/h2>\n<p>\ubcf4\uc774\uc2a4 \ucf54\uc77c\uc740 \ubcc0\ud658\uae30\uc758 \uc804\uae30\uae30\uacc4\uc801 \uc2ec\uc7a5\ubd80\ub97c \ub098\ud0c0\ub0b4\uba70, \uc804\uae30 \uc2e0\ud638\uac00 \uc815\ubc00\ud55c \uae30\uacc4\uc801 \uc6c0\uc9c1\uc784\uc73c\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4. \uace0\uc131\ub2a5 NdFeB \uc2a4\ud53c\ucee4\uc758 \uacbd\uc6b0 \ubcf4\uc774\uc2a4 \ucf54\uc77c\uc740 \uc5f4 \uc804\ub3c4\uc131 \ud3ec\uba38(\uc77c\ubc18\uc801\uc73c\ub85c \uc54c\ub8e8\ubbf8\ub284, \ub178\uba55\uc2a4 \ub610\ub294 \ud3f4\ub9ac\uc774\ubbf8\ub4dc \ubcf5\ud569\uc7ac)\uc5d0 \uace0\uc21c\ub3c4 \uad6c\ub9ac \ub610\ub294 \uc54c\ub8e8\ubbf8\ub284 \uc640\uc774\uc5b4(\uc6d0\ud615, \uc721\uac01\ud615 \ub610\ub294 \ud3c9\uad8c\uc120)\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uad8c\uc120 \uacf5\uc815\uc740 \uc7a5\ub825 \ubcc0\ub3d9\uc744 \u00b12% \ubbf8\ub9cc\uc73c\ub85c \uc720\uc9c0\ud558\ub294 \ucef4\ud4e8\ud130 \uc81c\uc5b4 \uae30\uacc4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc77c\uad00\ub41c \uce35 \uc815\ub82c\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc9c4\ubcf4\ub41c \uc81c\uc870\uc5c5\uccb4\ub294 \uc774\uc81c \ub808\uc774\uc800 \uce21\uc815 \uad8c\uc120 \ubc00\ub3c4 \uac80\uc99d\uc744 \uc0ac\uc6a9\ud558\uba70, \ucd5c\uc801\uc758 \uc5f4 \uc804\ub2ec\uc744 \uc704\ud574 \ubaa9\ud45c \ucda9\uc9c4\uc728\uc774 92%\ub97c \ucd08\uacfc\ud569\ub2c8\ub2e4. \uc790\uae30 \uac2d \ub0b4 \ubcf4\uc774\uc2a4 \ucf54\uc77c\uc758 \ubc30\uce58\ub294 \ub9c8\uc774\ud06c\ub85c\ubbf8\ud130 \uc815\ubc00\ub3c4\ub85c \ubcf4\uc815\ub418\uba70, \uc9c0\uadf8 \uae30\ubc18 \uc815\ub82c \uc2dc\uc2a4\ud15c\uc744 \ud1b5\ud574 \uce21\uba74\ub2f9 \uc77c\ubc18\uc801\uc73c\ub85c 0.2~0.3mm\uc758 \uac04\uaca9\uc774 \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/p>\n<p>\uc11c\uc2a4\ud39c\uc158 \uad6c\uc131 \uc694\uc18c(\uc2a4\ud30c\uc774\ub354(\ub0b4\ubd80 \uc11c\uc2a4\ud39c\uc158) \ubc0f \uc11c\ub77c\uc6b4\ub4dc(\uc678\ubd80 \uc11c\uc2a4\ud39c\uc158))\ub294 12,000~18,000 cP \uc0ac\uc774\uc758 \uc81c\uc5b4\ub41c \uc810\ub3c4\ub97c \uac00\uc9c4 \uc790\uc678\uc120 \uacbd\ud654 \uc811\ucc29\uc81c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc815\ubc00\ud558\uac8c \uc811\ud569\ub429\ub2c8\ub2e4. \uc2a4\ud30c\uc774\ub354\uc758 \ub3d9\uc2ec\ub3c4 \uacf5\ucc28\ub294 \uc0c1\ud638 \ubcc0\uc870 \uc65c\uace1\uc744 \uc0dd\uc131\ud558\ub294 \ub85c\ud0b9 \ubaa8\ub4dc\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 0.15mm TIR(\ucd1d \uc9c0\uc2dc \ud3b8\ucc28) \ubbf8\ub9cc\uc73c\ub85c \uc720\uc9c0\ub429\ub2c8\ub2e4. \uace0\uae09 \uc124\uacc4\ub294 \uace0\uc9c4\ud3ed \uc11c\ube0c\uc6b0\ud37c\ub97c \uc704\ud55c \uc774\uc911 \uc2a4\ud30c\uc774\ub354 \uad6c\uc131\uc744 \ud1b5\ud569\ud558\uc5ec \u00b115mm \uc774\ub3d9 \ubc94\uc704\uc5d0\uc11c \uc120\ud615 \ubcf5\uc6d0\ub825\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc11c\ub77c\uc6b4\ub4dc\uc758 \ucef4\ud50c\ub77c\uc774\uc5b8\uc2a4\ub294 \ud504\ub85c\ud1a0\ud0c0\uc785 \uac80\uc99d \uc911 \ub808\uc774\uc800 \uc9c4\ub3d9\uacc4 \uce21\uc815\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2a4\ud30c\uc774\ub354\uc758 \uae30\uacc4\uc801 \uc800\ud56d\uacfc \uc77c\uce58\ub418\uba70, \uacf5\uc9c4 \uc8fc\ud30c\uc218(Fs)\uac00 \uc124\uacc4 \ubaa9\ud45c\uc758 \u00b13% \uc774\ub0b4\ub85c \uc720\uc9c0\ub418\ub3c4\ub85d \ud569\ub2c8\ub2e4. \ucd5c\uadfc \uc7ac\ub8cc \ud601\uc2e0\uc5d0\ub294 -10\u00b0C ~ +50\u00b0C \uc791\ub3d9 \ubc94\uc704\uc5d0\uc11c \ucef4\ud50c\ub77c\uc774\uc5b8\uc2a4 \uc548\uc815\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ud558\uc774\ube0c\ub9ac\ub4dc \ud3fc-\uace0\ubb34 \uc11c\ub77c\uc6b4\ub4dc\uac00 \ud3ec\ud568\ub418\uba70, \uc774\ub294 \ud22c\uc5b4\ub9c1 \uc0ac\uc6b4\ub4dc \uc2dc\uc2a4\ud15c\uc5d0 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc790\uae30 \ud68c\ub85c \ucd5c\uc885\ud654 \ubc0f \uc5f4 \uad00\ub9ac<\/h2>\n<p>\uc644\uc131\ub41c \uc790\uae30 \uc870\ub9bd\uccb4\ub294 \uac2d \uccb4\uc801 \uc804\uccb4\uc5d0 \uac78\uccd0 0.5mm \uc99d\ubd84\uc73c\ub85c \uc790\uae30\uc7a5 \uac15\ub3c4\ub97c \uce21\uc815\ud558\ub294 \uc790\ub3d9\ud654\ub41c \ud640 \ud6a8\uacfc \ud504\ub85c\ube0c \uc5b4\ub808\uc774\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc790\uc18d \ubc00\ub3c4 \ub9e4\ud551\uc744 \uac70\uce69\ub2c8\ub2e4. \uace0\uc131\ub2a5 \uc124\uacc4\uc758 \ubaa9\ud45c \uc790\uc18d \ubc00\ub3c4\ub294 1.0~1.3 \ud14c\uc2ac\ub77c \ubc94\uc704\uc774\uba70, \ubcf4\uc774\uc2a4 \ucf54\uc77c \uc774\ub3d9 \ubc94\uc704 \uc804\uccb4\uc5d0\uc11c \u00b15% \uc774\ub0b4\uc758 \uade0\uc77c\uc131\uc774 \uc720\uc9c0\ub429\ub2c8\ub2e4. \ube44\ub514\uc624 \ub514\uc2a4\ud50c\ub808\uc774 \uadfc\ucc98\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc2a4\ud53c\ucee4\uc758 \uacbd\uc6b0 \ud328\ub7ec\ub370\uc774 \ucc28\ud3d0\uac00 \ucd94\uac00\ub420 \uc218 \uc788\uc73c\uba70, \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284 \ub610\ub294 \uad6c\ub9ac \ucea1\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac2d \uc790\uc18d\uc5d0 \uc601\ud5a5\uc744 \uc8fc\uc9c0 \uc54a\uc73c\uba74\uc11c \uc790\uae30 \ub204\uc124\uc744 18~22dB \uac10\uc18c\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<p>\uc5f4 \uad00\ub9ac\ub294 \uc5ec\ub7ec \uc804\ub7b5\uc744 \ud1b5\ud569\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>200~220 W\/m\u00b7K\uc758 \uc5f4 \uc804\ub3c4\uc131\uc744 \uac00\uc9c4 \uc54c\ub8e8\ubbf8\ub284 \ubcf4\uc774\uc2a4 \ucf54\uc77c \ud3ec\uba38<\/li>\n<li>\uc804\uc0b0 \uc720\uccb4 \uc5ed\ud559(CFD) \ucd5c\uc801\ud654 \ud615\uc0c1\uc744 \uac00\uc9c4 \ud1b5\ud48d\ud615 \ud3f4 \ud53c\uc2a4<\/li>\n<li>\uc790\uae30 \uac2d \ub0b4 \uc790\uc131 \uc720\uccb4 \ub0c9\uac01(\uc911\/\uace0\uc8fc\ud30c \ub4dc\ub77c\uc774\ubc84\uc6a9)\uc73c\ub85c 150\u00b0C\uae4c\uc9c0 \uc815\uaca9\ub41c \uc628\ub3c4 \uc548\uc815\uc131 \uce90\ub9ac\uc5b4 \uc0ac\uc6a9<\/li>\n<\/ul>\n<p>\uc804\ub825 \ucc98\ub9ac \uac80\uc99d\uc740 IEC 60268-5 \ud45c\uc900 \ud14c\uc2a4\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud551\ud06c \ub178\uc774\uc988 \uc2e0\ud638\ub85c \uc218\ud589\ub418\uba70, \ub0b4\uc7a5\ub41c \ub9c8\uc774\ud06c\ub85c \uc5f4\uc804\ub300\ub97c \ud1b5\ud574 \ubcf4\uc774\uc2a4 \ucf54\uc77c \uc628\ub3c4\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud569\ub2c8\ub2e4. \ud504\ub9ac\ubbf8\uc5c4 \uc124\uacc4\ub294 \ud56b\uc2a4\ud31f\uc744 \uc608\uce21\ud558\ub294 \uc628\ub3c4 \ubaa8\ub378\ub9c1\uc744 \ud1b5\ud569\ud558\uc5ec \ub0c9\uac01 \ucc44\ub110 \ubc30\uce58\ub97c \uc548\ub0b4\ud569\ub2c8\ub2e4. 2023\ub144 \uc5c5\uacc4 \ub3d9\ud5a5\uc740 2018\ub144 \uc124\uacc4 \ub300\ube44 \uc790\uc11d \uccb4\uc801\ub2f9 \uc804\ub825 \ucc98\ub9ac \ub2a5\ub825\uc774 15% \uac1c\uc120\ub418\uc5c8\uc73c\uba70, \uc774\ub294 \uc8fc\ub85c \uac1c\uc120\ub41c \uc5f4 \uacbd\ub85c\uc640 180\u00b0C \uc5f0\uc18d \uc791\ub3d9 \uc815\uaca9\uc758 \uace0\uc628 \uc811\ucc29\uc81c\ub97c \ud1b5\ud574 \uc774\ub8e8\uc5b4\uc84c\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc74c\ud5a5 \ud14c\uc2a4\ud2b8 \ubc0f \ud488\uc9c8 \uac80\uc99d<\/h2>\n<p>\uc870\ub9bd\ub41c \uac01 \ub4dc\ub77c\uc774\ubc84\ub294 \ucd5c\uc885 \ud1b5\ud569 \uc804\uc5d0 \uc77c\ub828\uc758 \uc804\uae30\uc74c\ud5a5 \uce21\uc815\uc744 \uac70\uce69\ub2c8\ub2e4. \uc790\ub3d9\ud654\ub41c \ud14c\uc2a4\ud2b8 \uc2dc\uc2a4\ud15c\uc740 \ub2e4\uc74c\uc744 \uc218\ud589\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ub808\uc774\uc800 \ubcc0\uc704 \uce21\uc815\uc744 \ud1b5\ud55c Thiele-Small \ud30c\ub77c\ubbf8\ud130 \ucd94\ucd9c(Fs, Qts, Vas)<\/li>\n<li>\ubb34\ud5a5\uc2e4\uc5d0\uc11c \u00b11dB \uc815\ud655\ub3c4\ub85c \uc8fc\ud30c\uc218 \uc751\ub2f5 \uc2a4\uc715(20Hz~20kHz)<\/li>\n<li>\uc5ec\ub7ec \uc804\ub825 \ub808\ubca8(1W, 10W, \uc815\uaca9 \uc804\ub825)\uc5d0\uc11c \uace0\uc870\ud30c \uc65c\uace1 \ubd84\uc11d<\/li>\n<li>\uc784\ud384\uc2a4 \uc751\ub2f5\uc758 \uc6e8\uc774\ube14\ub9bf \ubd84\uc11d\uc744 \ud1b5\ud55c \ub7fd \ubc0f \ubc84\uc988 \uac10\uc9c0<\/li>\n<\/ul>\n<p>\uace0\uae09 \uc2dc\uc124\uc740 Klippel \ubd84\uc11d\uae30 \uc2dc\uc2a4\ud15c\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub300\uc2e0\ud638 \ud30c\ub77c\ubbf8\ud130\ub97c \uce21\uc815\ud558\uace0, \ubaa8\ud130(\ud798 \uacc4\uc218 Bl(x)), \uc11c\uc2a4\ud39c\uc158(Kms(x)) \ubc0f \uc778\ub355\ud134\uc2a4(Le(x)) \ud2b9\uc131\uc758 \ube44\uc120\ud615\uc131\uc744 \uc2dd\ubcc4\ud569\ub2c8\ub2e4. \uc774 \ub370\uc774\ud130\ub294 \ucd5c\uc885 \uc870\uc815\uc744 \uc548\ub0b4\ud558\uba70, \ub54c\ub85c\ub294 3\ucc28 \uc65c\uace1\uc744 \uc904\uc774\uae30 \uc704\ud574 \ud3f4 \uac00\uc7a5\uc790\ub9ac\uc758 \uc120\ud0dd\uc801 \uac10\uc790\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc0dd\uc0b0 \ubc30\uce58\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud45c\uc900 \ud3b8\ucc28\ub85c \uc77c\uad00\uc131 \uba54\ud2b8\ub9ad\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uac10\ub3c4(2.83V\/1m\uc5d0\uc11c SPL)\uc758 \u00b13%<\/li>\n<li>\uae30\ubcf8 \uacf5\uc9c4 \uc8fc\ud30c\uc218\uc758 \u00b15%<\/li>\n<li>96dB \ucd9c\ub825\uc5d0\uc11c \ucd1d \uace0\uc870\ud30c \uc65c\uace1\uc758 \u00b18%<\/li>\n<\/ul>\n<p>\ud658\uacbd \uc2a4\ud2b8\ub808\uc2a4 \ud14c\uc2a4\ud2b8\uc5d0\ub294 \uc5f4 \uc0ac\uc774\ud074\ub9c1(-10\u00b0C ~ +70\u00b0C, 50\uc0ac\uc774\ud074) \ubc0f \uc791\ub3d9 \uc218\uba85 \ud14c\uc2a4\ud2b8(\uc815\uaca9 \uc804\ub825\uc758 75%\uc5d0\uc11c 100\uc2dc\uac04)\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc8fc\uc694 \uc81c\uc870\uc5c5\uccb4\uc758 \ucd5c\uadfc \ub370\uc774\ud130\ub294 \uc815\uaca9 \uc791\ub3d9 \uc870\uac74\uc5d0\uc11c \uc804\ubb38\uac00\uc6a9 NdFeB \uc2a4\ud53c\ucee4\uc758 \ud3c9\uade0 \uace0\uc7a5 \uac04\uaca9(MTBF)\uc774 15,000\uc2dc\uac04\uc744 \ucd08\uacfc\ud568\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<h2>\uc5c5\uacc4 \ub3d9\ud5a5 \ubc0f \ubbf8\ub798 \ubc29\ud5a5<\/h2>\n<p>NdFeB \uc2a4\ud53c\ucee4 \uc81c\uc870 \ud658\uacbd\uc740 \uc5ec\ub7ec \uae30\uc220\uc801 \ubca1\ud130\ub97c \ud1b5\ud574 \uc9c4\ud654\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uacf5\uae09\ub9dd \uac1c\ubc1c\uc740 2020\ub144\uc5d0\uc11c 2024\ub144 \uc0ac\uc774\uc5d0 \uc218\uba85 \uc885\ub8cc \uc81c\ud488\uc758 \uc790\uc11d \uc7ac\ud65c\uc6a9\uc774 40% \uc99d\uac00\ud558\uc5ec 1\ucc28 \ud76c\ud1a0\ub958 \ucc44\uad74\uc5d0 \ub300\ud55c \uc758\uc874\ub3c4\ub97c \uc904\uc600\uc2b5\ub2c8\ub2e4. \uc81c\uc870 \ud601\uc2e0\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ud3f4 \ud53c\uc2a4\uc5d0 \ud1b5\ud569\ub41c \uc801\uce35 \uc81c\uc870 \ub0c9\uac01 \uad6c\uc870<\/li>\n<li>\uc5f4 \uc804\ub3c4\uc131\uc744 300% \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \uadf8\ub798\ud540 \ub3c4\ud551 \uc811\ucc29\uc81c<\/li>\n<li>\uc65c\uace1 \uc81c\ud488\uc744 25~30% \uac10\uc18c\uc2dc\ud0a4\ub294 AI \ucd5c\uc801\ud654 \uc790\uae30 \ud68c\ub85c<\/li>\n<li>\ub2a5\ub3d9 \uc628\ub3c4 \ubcf4\uc0c1 \ud68c\ub85c\ub97c \uc0ac\uc6a9\ud558\ub294 \ub3d9\uc801\uc73c\ub85c \uc548\uc815\ud654\ub41c \uc790\uc11d<\/li>\n<\/ul>\n<p>\uc2dc\uc7a5 \ub370\uc774\ud130\ub294 \ubab0\uc785\ud615 \uc624\ub514\uc624 \ud615\uc2dd\uacfc \ud734\ub300\uc6a9 \uace0\ucd9c\ub825 \uc2dc\uc2a4\ud15c\uc5d0 \ud798\uc785\uc5b4 \uc804\ubb38\uac00\uc6a9 NdFeB \uc2a4\ud53c\ucee4 \uc218\uc694\uac00 \uc5f0\uac04 8.5% \uc131\uc7a5(2023~2028\ub144 \uc608\uce21)\ud560 \uac83\uc73c\ub85c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub514\uc2a4\ud504\ub85c\uc298 \ud655\uc0b0\uc744 \uc801\uc6a9\ud55c \ucd5c\uc2e0 Ndx \uc790\uc11d \ub4f1\uae09\uc740 150\u00b0C\uc5d0\uc11c \uc131\ub2a5\uc744 \uc720\uc9c0\ud558\uc5ec \uc774\uc804\uc5d0\ub294 \uc5f4 \uac10\uc790\uc5d0 \uc758\ud574 \uc81c\ud55c\ub418\uc5c8\ub358 \ucef4\ud329\ud2b8\ud55c \uace0\uc804\ub825 \uc124\uacc4\ub97c \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4. \uc9c0\uc18d \uac00\ub2a5\uc131 \uc774\ub2c8\uc154\ud2f0\ube0c\uc5d0\ub294 \uc774\uc81c \uc81c\uc870 \ubc30\uce58\ub2f9 \ud0c4\uc18c \ubc1c\uc790\uad6d \ucd94\uc801\uc774 \ud3ec\ud568\ub418\uba70, \uc8fc\uc694 \uc81c\uc870\uc5c5\uccb4\ub294 \uc7ac\uc0dd \uc5d0\ub108\uc9c0 \ud1b5\ud569 \ubc0f \ucd5c\uc801\ud654\ub41c \ubb3c\ub958\ub97c \ud1b5\ud574 2020\ub144 \uc774\ud6c4 CO\u2082 \ub4f1\uac00 \ubc30\ucd9c\ub7c9\uc744 30% \uac10\ucd95\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc804\ubb38 Q&amp;A: NdFeB \uc2a4\ud53c\ucee4 \uc81c\uc870<\/h2>\n<p><strong>Q1: \uc790\uc11d \uc81c\uc870 \uacfc\uc815\uc5d0\uc11c\uc758 \uc785\uc790 \uc815\ub82c \uacf5\uc815\uc774 \uc2a4\ud53c\ucee4 \uc131\ub2a5\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\uae4c?<\/strong><br \/>\nA: \uc785\uc790 \uc815\ub82c\uc740 \uc18c\uacb0 NdFeB \uc790\uc11d\uc758 \uc790\uae30 \ubc30\ud5a5 \ud6a8\uc728\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. 1.5-2.5 \ud14c\uc2ac\ub77c \uc815\ub82c\uc7a5\uc5d0\uc11c \ubd84\ub9d0 \uc57c\uae08 \uacf5\uc815\uc744 \ud1b5\ud574 \ud504\ub9ac\ubbf8\uc5c4 \uc790\uc11d\uc740 96% \uc774\uc0c1\uc758 \ubc30\ud5a5\ube44\ub97c \ub2ec\uc131\ud569\ub2c8\ub2e4. \uc774\ub294 \uc794\ub958\uc790\uc18d\ubc00\ub3c4(Br) \uac12\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce58\uba70, \ubc30\ud5a5\ub3c4\uac00 5% \uac1c\uc120\ub418\uba74 \uac2d \uc790\uc18d \ubc00\ub3c4\uac00 \uc57d 3% \uc99d\uac00\ud558\uc5ec 0.5-1.0dB\uc758 \uac10\ub3c4 \ud5a5\uc0c1\uc73c\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 N45 \uc790\uc11d\uc758 \uacbd\uc6b0 \ucd5c\uc801 \ubc30\ud5a5 \uc2dc Br=1.35T\uc778 \ubc18\uba74, \ubc30\ud5a5\uc774 \ubd88\ub7c9\ud55c \ub3d9\uae09 \uc790\uc11d\uc740 1.28T\uc785\ub2c8\ub2e4. \uc2a4\ud53c\ucee4 \uc131\ub2a5 \uce21\uba74\uc5d0\uc11c \uc774\ub294 \ubcf4\uc774\uc2a4 \ucf54\uc77c \uc774\ub3d9 \uc804\ubc18\uc5d0 \uac78\uce5c \uac15\ub825\ud55c \ubaa8\ud130 \ud798\uc73c\ub85c \uc778\ud574 \ub192\uc740 \uc9c4\ud3ed\uc5d0\uc11c\uc758 \uc65c\uace1\uc774 \uac10\uc18c\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>Q2: \uace0\uc804\ub825 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc5f4\uc5d0 \uc758\ud55c \uac10\uc790(\u6e1b\u78c1)\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud55c \ucd5c\uc2e0 \uae30\uc220 \ubc1c\uc804\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><br \/>\nA: \ucd5c\uadfc \uc194\ub8e8\uc158\uc740 \ub2e4\uce35\uc801 \uc811\uadfc \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4: (1) \uc790\uc11d \ud45c\uba74\uc758 \ub514\uc2a4\ud504\ub85c\uc298 \ub18d\ub3c4 \uad6c\ubc30 \ud655\uc0b0\uc740 \ubc8c\ud06c \uc7ac\ub8cc \uc804\uccb4\uc5d0 \ucd94\uac00 \uc911\ud76c\ud1a0\ub958\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0\ub3c4 \uace0\uc720 \ubcf4\uc790\ub825\uc744 15-20% \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4; (2) \uc54c\ub8e8\ubbf8\ub284 \ubcf4\uc774\uc2a4 \ucf54\uc77c \ubcf4\ube48 \ub0b4 \ubbf8\uc138 \uc720\ub85c\ub97c \ud1b5\ud55c \uc9c1\uc811 \ub0c9\uac01 \ucc44\ub110\uc740 100W \uc785\ub825 \uc2dc \uc791\ub3d9 \uc628\ub3c4\ub97c 40-50\u00b0C \ub0ae\ucda5\ub2c8\ub2e4; (3) \uadf9\ud3b8 \ub4a4\uc5d0 \ud1b5\ud569\ub41c \uc0c1\ubcc0\ud654 \uc7ac\ub8cc\ub294 \uacfc\ub3c4 \ud53c\ud06c \ub3d9\uc548 \uc5f4 \ud384\uc2a4\ub97c \ud761\uc218\ud569\ub2c8\ub2e4. 2024\ub144 \ub370\uc774\ud130\uc5d0 \ub530\ub974\uba74 \uc774\ub7ec\ud55c \uacb0\ud569 \uc811\uadfc \ubc29\uc2dd\uc740 N42SH \ub4f1\uae09 \uc790\uc11d\uc758 \uc548\uc804 \uc791\ub3d9 \uc628\ub3c4\ub97c 80\u00b0C\uc5d0\uc11c 140\u00b0C\ub85c \ud655\uc7a5\ud558\uc5ec \ub3d9\uc77c \uccb4\uc801\uc5d0\uc11c \uc5f0\uc18d \uc804\ub825 \ucc98\ub9ac \uc6a9\ub7c9\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ub450 \ubc30\ub85c \ub298\ub9bd\ub2c8\ub2e4.<\/p>\n<p><strong>Q3: \uc81c\uc870\uc5c5\uccb4\ub294 \ud76c\ud1a0\ub958 \uc6d0\uc18c\uc758 \uacf5\uae09\ub9dd \ubcc0\ub3d9\uc131\uc5d0 \uc5b4\ub5bb\uac8c \ub300\uc751\ud558\uace0 \uc788\uc2b5\ub2c8\uae4c?<\/strong><br \/>\nA: 2024\ub144 \uc811\uadfc \ubc29\uc2dd\uc5d0\uc11c\ub294 \uc138 \uac00\uc9c0 \uc804\ub7b5\uc774 \uc9c0\ubc30\uc801\uc785\ub2c8\ub2e4: (1) \uc218\uc18c \ucc98\ub9ac(HPMS)\ub97c \ud1b5\ud55c \uc790\uc11d \uc7ac\ud65c\uc6a9\ub960\uc740 \ud604\uc7ac 35-40%\uc5d0 \ub3c4\ub2ec\ud558\uba70, \ud3d0\uae30\ubb3c \uc81c\ud488\uc5d0\uc11c 95% \uc21c\ub3c4\uc758 NdFeB \ubd84\ub9d0\uc744 \ucd94\ucd9c\ud569\ub2c8\ub2e4; (2) \ucd5c\uc801\ud654\ub41c \ud68c\ub85c\uc640 \ud568\uaed8 \uc800\ub4f1\uae09(N35-N40)\uc744 \uc0ac\uc6a9\ud558\ub294 \ucd5c\uc18c \uc131\ub2a5 \uc124\uacc4\ub294 \uccb4\uc801\uc744 15-20% \ub298\ub824 N45 \uc131\ub2a5\uc5d0 \ud544\uc801\ud558\uba70, \uc640\ud2b8\ub2f9 \ub124\uc624\ub514\ubbb4 \ud568\ub7c9\uc744 \uc904\uc785\ub2c8\ub2e4; (3) \ub2e4\uac01\ud654\ub41c \uacf5\uae09\ucc98(\ubca0\ud2b8\ub0a8, \ud638\uc8fc, \ubbf8\uad6d \uc0dd\uc0b0\uc740 \ud604\uc7ac \uacf5\uae09\ub7c9\uc758 25%\ub97c \ucc28\uc9c0\ud558\uba70, 2020\ub144 8%\uc5d0\uc11c \uc99d\uac00)\uc640\uc758 \uc7a5\uae30 \uacc4\uc57d\uc785\ub2c8\ub2e4. \ud604\uc7ac \uc608\uce21\uc5d0 \ub530\ub974\uba74 \uc774\ub7ec\ud55c \uc870\uce58\ub294 2030\ub144\uae4c\uc9c0 \uc5f0\uac04 12%\uc758 \uc218\uc694 \uc131\uc7a5\uc774 \uc608\uc0c1\ub428\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uac00\uaca9 \ubcc0\ub3d9\uc131\uc744 \uc644\ud654\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p><strong>Q4: \uc0dd\uc0b0 \uc77c\uad00\uc131\uc744 \uac1c\uc120\ud558\ub294 \uce21\uc815 \ud601\uc2e0\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><br \/>\nA: \uc790\ub3d9 \uad11\ud559 \uac80\uc0ac(AOI) \uc2dc\uc2a4\ud15c\uc740 \ub2e4\uc911 \uac01\ub3c4 \uce74\uba54\ub77c\uc640 \uba38\uc2e0 \ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubcf4\uc774\uc2a4 \ucf54\uc77c \uc911\uc2ec \uc815\ub82c\uc744 5\u03bcm \uacf5\ucc28 \ub0b4\uc5d0\uc11c \uac80\uc99d\ud569\ub2c8\ub2e4. \uc778\ub77c\uc778 \ub808\uc774\uc800 \ub3c4\ud50c\ub7ec \uc9c4\ub3d9\uacc4\ub294 \uc5d0\uc774\uc9d5 \uc0ac\uc774\ud074 \uc911 \uc11c\uc2a4\ud39c\uc158 \uc120\ud615\uc131\uc744 \uce21\uc815\ud558\uc5ec 7% \uc774\uc0c1\uc758 \ucef4\ud50c\ub77c\uc774\uc5b8\uc2a4 \ud3b8\ucc28\ub97c \uc120\ud0dd\uc801\uc73c\ub85c \uc81c\uac70\ud569\ub2c8\ub2e4. \uac00\uc7a5 \uc911\uc694\ud55c \uac83\uc740, \uc790\ud654 \uacfc\uc815 \uc911 \uc2e4\uc2dc\uac04 FEA \uc2dc\ubbac\ub808\uc774\uc158\uc774 \uac1c\ubcc4 \uadf9\ud3b8 \ud22c\uc790\uc728 \uce21\uc815\uac12\uc744 \uae30\ubc18\uc73c\ub85c \ud384\uc2a4 \ud30c\ub77c\ubbf8\ud130\ub97c \uc870\uc815\ud558\uc5ec \uc0dd\uc0b0 \ubc30\uce58 \ub0b4 \uc790\uc18d \ubc00\ub3c4 \ud3b8\ucc28\ub97c \u00b18%\uc5d0\uc11c \u00b13%\ub85c \uc904\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc1c\uc804\uc740 2018\ub144 \uc81c\uc870 \uae30\uc900\uacfc \ube44\uad50\ud558\uc5ec \ub2e8\uc704 \uac04 \uc131\ub2a5 \ud3b8\ucc28\ub97c 60% \uac10\uc18c\uc2dc\ud0a8 \uc5c5\uacc4 \uc131\uacfc\uc5d0 \uae30\uc5ec\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction to NdFeB Magnets and Acoustic Performance High-performance loudspeakers represent the intersection of precision engineering and acoustic science, with neodymium iron boron (NdFeB) magnets standing as the cornerstone of modern driver design. These rare-earth magnets, first developed in the 1980s, provide the highest magnetic energy product of any commercially available permanent magnet, typically ranging from [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9090","post","type-post","status-publish","format-standard","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/posts\/9090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/comments?post=9090"}],"version-history":[{"count":1,"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/posts\/9090\/revisions"}],"predecessor-version":[{"id":9091,"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/posts\/9090\/revisions\/9091"}],"wp:attachment":[{"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/media?parent=9090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/categories?post=9090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/tags?post=9090"}],"curies":[{"name":"\uc6cc\ub4dc\ud504\ub808\uc2a4","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}