{"id":644,"date":"2024-08-19T06:53:00","date_gmt":"2024-08-18T21:53:00","guid":{"rendered":"https:\/\/rtlearner.com\/?p=644"},"modified":"2024-09-28T16:06:26","modified_gmt":"2024-09-28T07:06:26","slug":"semiconductor-process-etching","status":"publish","type":"post","link":"https:\/\/rtlearner.com\/en\/semiconductor-process-etching\/","title":{"rendered":"[\ubc18\ub3c4\uccb4 \uacf5\uc815] \uc2dd\uac01 \uacf5\uc815 (Etching)"},"content":{"rendered":"\n<p>\uc2dd\uac01 \uacf5\uc815(Etching)\uc740 \ud3ec\ud1a0 \uacf5\uc815(Photolithography)\uc744 \ud1b5\ud574 wafer \uc704\uc5d0 \ud328\ud130\ub2dd\uc744 \ud55c \ub4a4 \uc815\uc758\ub41c \ubd80\ubd84\uc758 \ubc15\ub9c9\uc744 \uc81c\uac70\ud558\ub294 \uacf5\uc815\uc785\ub2c8\ub2e4. \uc2dd\uac01 \uacf5\uc815\uc744 \ud1b5\ud574 wafer\uc5d0 \ud68c\ub85c\ub97c \ub9cc\ub4e4\uc5b4\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ubb3c\ub860 Lift-off\ub098 Damascene \ubc29\ubc95\uc744 \ud1b5\ud574 \uc6d0\ud558\ub294 \ubc15\ub9c9 \ud615\uc0c1\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc9c0\ub9cc, Lift-off \ubc29\uc2dd\uc740 \ubbf8\uc138\ud55c \ud328\ud134\uc744 \ub9cc\ub4e4\uae30 \uc5b4\ub835\uae30 \ub54c\ubb38\uc5d0 \uc5f0\uad6c\uc2e4 \uc218\uc900\uc5d0\uc11c\ub9cc \uc0ac\uc6a9\ud558\uace0 Trench\ub97c \ub9cc\ub4e4\uc5b4 \uc6d0\ud558\ub294 \ubc15\ub9c9\uc744 \ub9cc\ub4dc\ub294 Damascene \ubc29\uc2dd\uc740 CMP \uacf5\uc815(Chemical Mechanical Plashing)\uc744 \ucd94\uac00\ub85c \ud574\uc57c \ud558\ubbc0\ub85c \uacf5\uc815\uc744 \ucd5c\uc801\ud654\ud558\uae30 \uc704\ud574 \uc2dd\uac01 \uacf5\uc815\uc744 \uc8fc\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image644_22d87a-6f.kb-image-is-ratio-size, .kb-image644_22d87a-6f .kb-image-is-ratio-size{max-width:500px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_22d87a-6f.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_22d87a-6f .kb-image-is-ratio-size{align-self:unset;}.kb-image644_22d87a-6f figure{max-width:500px;}.kb-image644_22d87a-6f .image-is-svg, .kb-image644_22d87a-6f .image-is-svg img{width:100%;}.kb-image644_22d87a-6f .kb-image-has-overlay:after{opacity:0.3;}.kb-image644_22d87a-6f img.kb-img, .kb-image644_22d87a-6f .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image644_22d87a-6f.kb-image-is-ratio-size, .kb-image644_22d87a-6f .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image644_22d87a-6f figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image644_22d87a-6f\"><figure class=\"aligncenter\"><a href=\"https:\/\/blog.naver.com\/PostView.naver?blogId=audrn8570&amp;logNo=222099922426&amp;categoryNo=2&amp;parentCategoryNo=2&amp;from=thumbnailList&amp;photoView=1\" class=\"kb-advanced-image-link\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/boxUQX\/btso4x0XsEP\/GZVGsDfDKWwkVBbSECibA0\/img.png\" alt=\"\uc2dd\uac01 \uacf5\uc815 \ube44\uad50\" class=\"kb-img\"\/><\/a><figcaption>\uacf5\uc815 \ube44\uad50<\/figcaption><\/figure><\/div>\n\n\n\n<p>\uc800\ud76c \uc5f0\uad6c\uc2e4\uc740 \uc11d\uc0ac \uae30\uac04\uc5d0 Lift-off \ubc29\ubc95\uc73c\ub85c \ud328\ud130\ub2dd\uc744 \ud588\ub294\ub370, \uc774\uc5d0 \ub300\ud55c \uc774\uc288\ub294 <a href=\"https:\/\/rtlearner.com\/photolithography-issue-post-expose-baking-lift-off\/#liftoff-issue\">\uc774 \uae00<\/a>\uc744 \ucc38\uc870\ud558\uc2dc\uba74 \ub418\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-table-of-content-nav.kb-table-of-content-id644_dc71e0-1f .kb-table-of-content-wrap{padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}.kb-table-of-content-nav.kb-table-of-content-id644_dc71e0-1f .kb-table-of-contents-title-wrap{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kb-table-of-content-nav.kb-table-of-content-id644_dc71e0-1f .kb-table-of-contents-title{font-weight:regular;font-style:normal;}.kb-table-of-content-nav.kb-table-of-content-id644_dc71e0-1f .kb-table-of-content-wrap .kb-table-of-content-list{font-weight:regular;font-style:normal;margin-top:var(--global-kb-spacing-sm, 1.5rem);margin-right:0px;margin-bottom:0px;margin-left:0px;}@media all and (max-width: 767px){.kb-table-of-content-nav.kb-table-of-content-id644_dc71e0-1f .kb-table-of-contents-title{font-size:var(--global-kb-font-size-md, 1.25rem);}.kb-table-of-content-nav.kb-table-of-content-id644_dc71e0-1f .kb-table-of-content-wrap .kb-table-of-content-list{font-size:var(--global-kb-font-size-sm, 0.9rem);}}<\/style>\n\n<style>.kadence-column644_d4c3f7-52 > .kt-inside-inner-col{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}.kadence-column644_d4c3f7-52 > .kt-inside-inner-col,.kadence-column644_d4c3f7-52 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column644_d4c3f7-52 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column644_d4c3f7-52 > .kt-inside-inner-col{flex-direction:column;}.kadence-column644_d4c3f7-52 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column644_d4c3f7-52 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column644_d4c3f7-52{position:relative;}@media all and (max-width: 1024px){.kadence-column644_d4c3f7-52 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column644_d4c3f7-52 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column644_d4c3f7-52\"><div class=\"kt-inside-inner-col\">\n<p><strong>\uad00\ub828 \uae00<\/strong><\/p>\n\n\n\n<p>\u2705<a href=\"https:\/\/rtlearner.com\/semiconductor-process-oxidation\/\">[\ubc18\ub3c4\uccb4 \uacf5\uc815] \uc0b0\ud654 \uacf5\uc815 (Oxidation)<\/a><\/p>\n\n\n\n<p>\u2705<a href=\"https:\/\/rtlearner.com\/semiconductor-process-photolithography\/\">[\ubc18\ub3c4\uccb4 \uacf5\uc815] \ud3ec\ud1a0 \uacf5\uc815 (Photolithography)<\/a><\/p>\n\n\n\n<p>\u2705<a href=\"https:\/\/rtlearner.com\/semiconductor-process-deposition\/\">[\ubc18\ub3c4\uccb4 \uacf5\uc815] \uc99d\ucc29 \uacf5\uc815 (Deposition)<\/a><\/p>\n\n\n\n<p>\u2705<a href=\"https:\/\/rtlearner.com\/semiconductor-process-doping\/\">[\ubc18\ub3c4\uccb4 \uacf5\uc815] \ub3c4\ud551 \uacf5\uc815 (Doping)<\/a><\/p>\n\n\n\n<p>\u2705<a href=\"https:\/\/rtlearner.com\/semiconductor-process-cleaning\/\">[\ubc18\ub3c4\uccb4 \uacf5\uc815] \uc138\uc815 \uacf5\uc815 (Cleaning)<\/a><\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Etching\uc758 \uc885\ub958<\/h2>\n\n\n\n<p>\uc2dd\uac01 \uacf5\uc815\uc740 \ud06c\uac8c chemical \uc6a9\uc561\uc744 \uc0ac\uc6a9\ud558\ub294 \uc2b5\uc2dd \uc2dd\uac01(Wet etch)\uacfc \uc6a9\uc561\uc744 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\ub294 \uac74\uc2dd \uc2dd\uac01(Dry etch)\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc2b5\uc2dd \uc2dd\uac01 (Wet etching)<\/h2>\n\n\n\n<p>\uc2b5\uc2dd \uc2dd\uac01(Wet etch)\uc740 chemical \uc6a9\uc561\uc73c\ub85c \uc6e8\uc774\ud37c \uc704\uc758 \ubc15\ub9c9\uacfc \ud654\ud559\ubc18\uc751\uc744 \uc77c\uc73c\ucf1c \ubc15\ub9c9\uc744 \uc81c\uac70\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc6a9\uc561\uc774 \ubc15\ub9c9\uacfc \ubc18\uc751\ud558\uae30 \uc704\ud574\uc11c\ub294 \ud45c\uba74\uacfc \uc6a9\uc561\uc774 \uc811\ucd09\ud574\uc57c \ud558\ub294\ub370 \uacf5\uc815 \uc7a5\ube44\ub97c \uae30\uacc4\uc801\uc73c\ub85c \uc6c0\uc9c1\uc774\uac70\ub098, \uc6a9\uc561\uc744 \uc21c\ud658\uc2dc\ud0a4\ub294 \ubc29\ubc95\uc73c\ub85c chemical\uacfc \ubc15\ub9c9\uc758 \ud654\ud559\ubc18\uc751\uc744 \ucd09\uc9c4\ud569\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image644_db6066-1a.kb-image-is-ratio-size, .kb-image644_db6066-1a .kb-image-is-ratio-size{max-width:550px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_db6066-1a.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_db6066-1a .kb-image-is-ratio-size{align-self:unset;}.kb-image644_db6066-1a figure{max-width:550px;}.kb-image644_db6066-1a .image-is-svg, .kb-image644_db6066-1a .image-is-svg img{width:100%;}.kb-image644_db6066-1a .kb-image-has-overlay:after{opacity:0.3;}.kb-image644_db6066-1a img.kb-img, .kb-image644_db6066-1a .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image644_db6066-1a.kb-image-is-ratio-size, .kb-image644_db6066-1a .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image644_db6066-1a figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image644_db6066-1a\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/LItlk\/btspjW0GX2G\/K0pKKM4GpxhVTgedcdrjck\/img.png\" alt=\"\uc2b5\uc2dd\uc2dd\uac01 \uac1c\ub150\ub3c4\" class=\"kb-img\"\/><figcaption>\uc2b5\uc2dd\uc2dd\uac01 \uac1c\ub150\ub3c4<\/figcaption><\/figure><\/div>\n\n\n\n<p>\uc2b5\uc2dd\uc2dd\uac01\uc740 \uc2dd\uac01 \uc18d\ub3c4\uac00 \ube60\ub974\uace0, \ubc15\ub9c9\uacfc chemical \uc6a9\uc561\uc758 \uc885\ub958\uc5d0 \ub530\ub77c \uc120\ud0dd\ube44\uac00 \ub9e4\uc6b0 \uc88b\ub2e4\ub294 \uc7a5\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\ub9cc, \ud654\ud559\ubc18\uc751\uc740 \ub4f1\ubc29\uc131, \ubaa8\ub4e0 \ubc29\ud5a5\uc73c\ub85c \uc9c4\ud589\ub418\uae30 \ub54c\ubb38\uc5d0 \ub2e4\uc74c \uadf8\ub9bc\uacfc \uac19\uc774 \ub9c8\uc2a4\ud0b9 \ub41c \uc544\ub7ab\ubd80\ubd84\uae4c\uc9c0 \uc2dd\uac01 \ub418\ub294 Undercut \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \ud45c\uba74\uc7a5\ub825 \ub54c\ubb38\uc5d0 \ubbf8\uc138\ud55c \ud328\ud134\uc5d0\ub294 \uc2dd\uac01\uc774 \ub418\uc9c0 \uc54a\ub294\ub2e4\ub294 \ub2e8\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image644_ff1ee7-64.kb-image-is-ratio-size, .kb-image644_ff1ee7-64 .kb-image-is-ratio-size{max-width:350px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_ff1ee7-64.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_ff1ee7-64 .kb-image-is-ratio-size{align-self:unset;}.kb-image644_ff1ee7-64 figure{max-width:350px;}.kb-image644_ff1ee7-64 .image-is-svg, .kb-image644_ff1ee7-64 .image-is-svg img{width:100%;}.kb-image644_ff1ee7-64 .kb-image-has-overlay:after{opacity:0.3;}.kb-image644_ff1ee7-64 img.kb-img, .kb-image644_ff1ee7-64 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image644_ff1ee7-64.kb-image-is-ratio-size, .kb-image644_ff1ee7-64 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image644_ff1ee7-64 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image644_ff1ee7-64\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/cs2r6T\/btspk9ldM37\/MLMvl7QLyz5Yve56Y8ZJnK\/img.png\" alt=\"\uc2b5\uc2dd \uc2dd\uac01 Profile\" class=\"kb-img\"\/><figcaption>\uc2b5\uc2dd \uc2dd\uac01 Profile<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\uac74\uc2dd \uc2dd\uac01 (Dry etching)<\/h2>\n\n\n\n<p>\uac74\uc2dd \uc2dd\uac01(Dry etch)\uc740 chemical \uc6a9\uc561 \ub300\uc2e0 \ubc18\uc751\uc131 \uac00\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc2dd\uac01\uc744 \uc9c4\ud589\ud569\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c \ubc15\ub9c9\uacfc \ud654\ud559\ubc18\uc751\uc744 \ud574\uc57c \ud558\ubbc0\ub85c \uac00\uc2a4\ub97c \ud50c\ub77c\uc988\ub9c8 \uc0c1\ud0dc\ub85c \ub9cc\ub4e4\uc5b4 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ubbf8\uc138\ud328\ud130\ub2dd\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4\ub294 \uc7a5\uc810\uc774 \uc788\uc9c0\ub9cc \uc2dd\uac01 \uc18d\ub3c4\uac00 \ub290\ub9ac\uace0, \ube44\uc6a9\uc774 \ube44\uc2f8\ub2e4\ub294 \ub2e8\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc678\uc5d0\ub3c4 \uc5ec\ub7ec \uac00\uc9c0 \uc774\uc288\uac00 \uc874\uc7ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc2dd\uac01 \uc18d\ub3c4 (Etch rate)<\/h3>\n\n\n\n<p>Etch rate\uc740 \uc2dd\uac01\uc744 \uc5bc\ub9c8\ub098 \ube60\ub974\uac8c \uc9c4\ud589\ud560 \uc218 \uc788\ub294\uc9c0\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image644_6956a9-ce.kb-image-is-ratio-size, .kb-image644_6956a9-ce .kb-image-is-ratio-size{max-width:350px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_6956a9-ce.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_6956a9-ce .kb-image-is-ratio-size{align-self:unset;}.kb-image644_6956a9-ce figure{max-width:350px;}.kb-image644_6956a9-ce .image-is-svg, .kb-image644_6956a9-ce .image-is-svg img{width:100%;}.kb-image644_6956a9-ce .kb-image-has-overlay:after{opacity:0.3;}.kb-image644_6956a9-ce img.kb-img, .kb-image644_6956a9-ce .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image644_6956a9-ce.kb-image-is-ratio-size, .kb-image644_6956a9-ce .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image644_6956a9-ce figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image644_6956a9-ce\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/lfrSL\/btsplpPge2c\/GK7GVuyoLS7SgmGNFHrP90\/img.png\" alt=\"Etch rate \uc218\uc2dd\" class=\"kb-img\"\/><figcaption>\uc218\uc2dd<\/figcaption><\/figure><\/div>\n\n\n\n<p>\ub2f9\uc5f0\ud788 Etch rate\uc774 \ube60\ub97c\uc218\ub85d \uc0dd\uc0b0\uc131\uc774 \uc88b\uc2b5\ub2c8\ub2e4. Etch rate\uc740 \ubc18\uc751\uc5d0 \ud544\uc694\ud55c gas\uc758 \uc885\ub958\uc640 gas flow, \uadf8\ub9ac\uace0 \ud50c\ub77c\uc988\ub9c8\ud654 \ud588\uc744 \ub54c \uc774\uc628\uc758 \uc5d0\ub108\uc9c0\ub85c \ucee8\ud2b8\ub864\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ub610\ud55c \uc2b5\uc2dd\uc2dd\uac01\uc5d0 \ube44\ud574 \uc801\uae34 \ud558\uc9c0\ub9cc undercut\uc774 \ubc1c\uc0dd\ud558\ub294\ub370(Etch bias) \ubbf8\uc138\ud328\ud134\uc5d0\uc11c\ub294 \uc911\uc694\ud55c \uc694\uc778\uc774\uae30 \ub54c\ubb38\uc5d0 \uc774\uac83\ub3c4 \uace0\ub824\ud574\uc57c \ud560 \uc0ac\ud56d\uc785\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image644_0fec47-09.kb-image-is-ratio-size, .kb-image644_0fec47-09 .kb-image-is-ratio-size{max-width:650px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_0fec47-09.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_0fec47-09 .kb-image-is-ratio-size{align-self:unset;}.kb-image644_0fec47-09 figure{max-width:650px;}.kb-image644_0fec47-09 .image-is-svg, .kb-image644_0fec47-09 .image-is-svg img{width:100%;}.kb-image644_0fec47-09 .kb-image-has-overlay:after{opacity:0.3;}.kb-image644_0fec47-09 img.kb-img, .kb-image644_0fec47-09 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image644_0fec47-09.kb-image-is-ratio-size, .kb-image644_0fec47-09 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image644_0fec47-09 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image644_0fec47-09\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/tB6HQ\/btspjV8B2WE\/nyeioQexBSlOoD0KW2Zwr0\/img.png\" alt=\"Etch rate\uacfc Etch bias\" class=\"kb-img\"\/><figcaption>Etch rate\uacfc Etch bias<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\uc120\ud0dd\ube44 (Selectivity)<\/h3>\n\n\n\n<p>\uac74\uc2dd \uc2dd\uac01\uc5d0\ub294 \ud654\ud559\ubc18\uc751\uc744 \ud1b5\ud55c \uc2dd\uac01\ubfd0\ub9cc \uc544\ub2c8\ub77c \ud50c\ub77c\uc988\ub9c8\ub97c \ud1b5\ud55c \ubb3c\ub9ac\uc801\uc778 \uc2dd\uac01\ub3c4 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uadf8\ub798\uc11c \uc81c\uac70\ud558\ub824\ub294 \ubc15\ub9c9\ubfd0\ub9cc \uc544\ub2c8\ub77c \ub2e4\ub978 \ubb3c\uc9c8\ub3c4 \uc2dd\uac01\uc774 \ub418\ub294\ub370\uc694, \uc81c\uac70\ud558\ub824\uace0 \ud588\ub358 \ubb3c\uc9c8\uacfc \uc2dd\uac01 \uc18d\ub3c4\uac00 \ub2e4\ub974\uae30 \ub54c\ubb38\uc5d0 \uacf5\uc815 \ud6c4 \ub450 \ubb3c\uc9c8\uc774 \uc2dd\uac01 \ub418\ub294 \ub450\uaed8\uac00 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc774\ub807\uac8c \uc2dd\uac01 \ud558\ub824\ub294 \ubb3c\uc9c8\uacfc \uadf8\ub807\uc9c0 \uc54a\uc740 \ubb3c\uc9c8 \uac04\uc758 \uc2dd\uac01 \ube44\ub97c \uc120\ud0dd\ube44\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc120\ud0dd\ube44\uac00 \ud074\uc218\ub85d \uc88b\uc740 \uacf5\uc815 \ud658\uacbd\uc774\ub77c\uace0 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc544\ub798 \uadf8\ub9bc\uc744 \ubcf4\uba74 BPSG\ub97c \uc81c\uac70\ud558\ub824\uace0 \ud588\ub294\ub370 Poly-Si \uc704\uc758 BPSG\uac00 \uc81c\uac70\ub41c \ud6c4 Si\ub3c4 \uc18c\ub7c9 \uc2dd\uac01\ub41c \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n<style>.kb-image644_7a8f75-39.kb-image-is-ratio-size, .kb-image644_7a8f75-39 .kb-image-is-ratio-size{max-width:550px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_7a8f75-39.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_7a8f75-39 .kb-image-is-ratio-size{align-self:unset;}.kb-image644_7a8f75-39 figure{max-width:550px;}.kb-image644_7a8f75-39 .image-is-svg, .kb-image644_7a8f75-39 .image-is-svg img{width:100%;}.kb-image644_7a8f75-39 .kb-image-has-overlay:after{opacity:0.3;}.kb-image644_7a8f75-39 img.kb-img, .kb-image644_7a8f75-39 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image644_7a8f75-39.kb-image-is-ratio-size, .kb-image644_7a8f75-39 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image644_7a8f75-39 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image644_7a8f75-39\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/HK3GE\/btspnke8DzM\/jHX5wNiNyreOFfKkcsnKTK\/img.png\" alt=\"\uc120\ud0dd\ube44 \uc774\ud574\" class=\"kb-img\"\/><figcaption>\uc120\ud0dd\ube44 \uc774\ud574<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\uc2dd\uac01 \uade0\uc77c\ub3c4 (Etch uniformity)<\/h3>\n\n\n\n<p>\uc2dd\uac01 \uade0\uc77c\ub3c4(Etch uniformity)\ub294 \uc6e8\uc774\ud37c \uc804\uccb4\uc801\uc73c\ub85c \uc9c4\ud589\ub418\ub294 \uc2dd\uac01\uc774 \uc9c0\uc810\ub9c8\ub2e4 \uc5bc\ub9c8\ub098 \ub3d9\uc77c\ud558\uac8c \uc77c\uc5b4\ub098\uace0 \uc788\ub294\uc9c0\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uade0\uc77c\ub3c4\uac00 \uc548 \uc88b\uc73c\uba74 Etch \ud6c4 profile\uc774 \ub098\ube60\uc838 \ud2b9\uc131\uc774 \uc548 \uc88b\uc544\uc9c0\uace0 \uc218\uc728\uc774 \ub0ae\uc544\uc838 \uce69\uc5d0 \uc545\uc601\ud5a5\uc744 \uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uac74\uc2dd \uc2dd\uac01 Profile<\/h3>\n\n\n<style>.kb-image644_9b2adc-a5.kb-image-is-ratio-size, .kb-image644_9b2adc-a5 .kb-image-is-ratio-size{max-width:650px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_9b2adc-a5.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image644_9b2adc-a5 .kb-image-is-ratio-size{align-self:unset;}.kb-image644_9b2adc-a5 figure{max-width:650px;}.kb-image644_9b2adc-a5 .image-is-svg, .kb-image644_9b2adc-a5 .image-is-svg img{width:100%;}.kb-image644_9b2adc-a5 .kb-image-has-overlay:after{opacity:0.3;}.kb-image644_9b2adc-a5 img.kb-img, .kb-image644_9b2adc-a5 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image644_9b2adc-a5.kb-image-is-ratio-size, .kb-image644_9b2adc-a5 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image644_9b2adc-a5 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image644_9b2adc-a5\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/mMNUZ\/btsplQMFbfL\/FKQGCeXTVFhhyUXXyWDFrk\/img.png\" alt=\"\uac74\uc2dd\uc2dd\uac01 Profile\" class=\"kb-img\"\/><figcaption>\uac74\uc2dd\uc2dd\uac01 Profile<\/figcaption><\/figure><\/div>\n\n\n\n<p>\uc815\ub9ac\ud558\uc790\uba74 \uac74\uc2dd\uc2dd\uac01\uc740<\/p>\n\n\n\n<p>\ucda9\ubd84\ud788 \ube60\ub978 Etch rate\uc744 \uac00\uc838\uc57c \ud558\uace0<\/p>\n\n\n\n<p>\uc88b\uc740 \uc120\ud0dd\ube44\uac00 \ud544\uc694\ud558\uba70<\/p>\n\n\n\n<p>Ideal \ud55c Profile\uc774 \ud615\uc131\ub418\ub3c4\ub85d \uacf5\uc815 \ub808\uc2dc\ud53c\ub97c \uc798 \uc138\ud305\ud574\uc57c \ud558\uace0<\/p>\n\n\n\n<p>\uade0\uc77c\ud55c \uc2dd\uac01\uc774 \uc7ac\ud604\uc131 \uc88b\uac8c \uc9c4\ud589\ub3fc\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wet etching vs Dry etching<\/h2>\n\n\n\n<p>\ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc2b5\uc2dd \uc2dd\uac01(wet etch)\uacfc \uac74\uc2dd \uc2dd\uac01(dry etch)\uc758 \ucc28\uc774\uc810\uc5d0 \ub300\ud574 \uc815\ub9ac\ud558\uace0 \ub9c8\ubb34\ub9ac\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th class=\"has-text-align-center\" data-align=\"center\"><\/th><th class=\"has-text-align-center\" data-align=\"center\">\uc2b5\uc2dd \uc2dd\uac01 (wet etch)<\/th><th class=\"has-text-align-center\" data-align=\"center\">\uac74\uc2dd \uc2dd\uac01 (dry etch)<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\ubc29\ubc95<\/td><td class=\"has-text-align-center\" data-align=\"center\">\ud654\ud559\uc801 \ubc18\uc751 (\uc6a9\uc561)<\/td><td class=\"has-text-align-center\" data-align=\"center\">\ubb3c\ub9ac\uc801, \ud654\ud559\uc801 \ubc18\uc751 (gas)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\ud658\uacbd \/ \uc7a5\ube44<\/td><td class=\"has-text-align-center\" data-align=\"center\">\ub300\uae30 \/ Bath<\/td><td class=\"has-text-align-center\" data-align=\"center\">\uc9c4\uacf5 \/ Chamber<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\uc7a5\uc810<\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211; \uc800\ube44\uc6a9, \uc26c\uc6b4 \uacf5\uc815<br>&#8211; \uc2dd\uac01 \uc18d\ub3c4 \ube60\ub984<br>&#8211; \uc120\ud0dd\ube44 \uc88b\uc74c<\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211; \uc815\ud655\uc131 \uc88b\uc74c<br>&#8211; \ubbf8\uc138 \ud328\ud130\ub2dd \uac00\ub2a5<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\ub2e8\uc810<\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211; \uc815\ud655\uc131 \uc548 \uc88b\uc74c<br>&#8211; \uc6e8\uc774\ud37c \uc624\uc5fc<br>&#8211; PR \ubc11\ubd80\ubd84 \uc2dd\uac01<\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211; \uace0\ube44\uc6a9, \uc5b4\ub824\uc6b4 \uacf5\uc815<br>&#8211; \ub0ae\uc740 \ucc98\ub9ac\ub7c9<br>&#8211; \uc120\ud0dd\ube44 \ub098\uc068<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\uc2dd\uac01 \ubc29\ud5a5<\/td><td class=\"has-text-align-center\" data-align=\"center\">\ub4f1\ubc29\uc131<\/td><td class=\"has-text-align-center\" data-align=\"center\">\ube44 \ub4f1\ubc29\uc131<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\uc2b5\uc2dd\uc2dd\uac01\uacfc \uac74\uc2dd\uc2dd\uac01 \ube44\uad50<\/figcaption><\/figure>\n\n\n<style>.kadence-column644_cfea2a-47 > .kt-inside-inner-col{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}.kadence-column644_cfea2a-47 > .kt-inside-inner-col,.kadence-column644_cfea2a-47 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column644_cfea2a-47 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column644_cfea2a-47 > .kt-inside-inner-col{flex-direction:column;}.kadence-column644_cfea2a-47 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column644_cfea2a-47 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column644_cfea2a-47{position:relative;}@media all and (max-width: 1024px){.kadence-column644_cfea2a-47 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column644_cfea2a-47 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column644_cfea2a-47\"><div class=\"kt-inside-inner-col\">\n<p><strong>\uad00\ub828 \uae00<\/strong><\/p>\n\n\n\n<p>\u2705<a href=\"https:\/\/rtlearner.com\/semiconductor-process-oxidation\/\">[\ubc18\ub3c4\uccb4 \uacf5\uc815] \uc0b0\ud654 \uacf5\uc815 (Oxidation)<\/a><\/p>\n\n\n\n<p>\u2705<a href=\"https:\/\/rtlearner.com\/semiconductor-process-photolithography\/\">[\ubc18\ub3c4\uccb4 \uacf5\uc815] \ud3ec\ud1a0 \uacf5\uc815 (Photolithography)<\/a><\/p>\n\n\n\n<p>\u2705<a href=\"https:\/\/rtlearner.com\/semiconductor-process-deposition\/\">[\ubc18\ub3c4\uccb4 \uacf5\uc815] \uc99d\ucc29 \uacf5\uc815 (Deposition)<\/a><\/p>\n\n\n\n<p>\u2705<a href=\"https:\/\/rtlearner.com\/semiconductor-process-doping\/\">[\ubc18\ub3c4\uccb4 \uacf5\uc815] \ub3c4\ud551 \uacf5\uc815 (Doping)<\/a><\/p>\n\n\n\n<p>\u2705<a href=\"https:\/\/rtlearner.com\/semiconductor-process-cleaning\/\">[\ubc18\ub3c4\uccb4 \uacf5\uc815] \uc138\uc815 \uacf5\uc815 (Cleaning)<\/a><\/p>\n<\/div><\/div>\n\n\n\n<p>\ucc38\uace0:&nbsp;<a href=\"https:\/\/semiconductor.samsung.com\/kr\/support\/tools-resources\/fabrication-process\/eight-essential-semiconductor-fabrication-processes-part-5-etching-a-circuit-pattern\/\" target=\"_blank\" rel=\"noreferrer noopener\">\uc0bc\uc131\uc804\uc790 [\ubc18\ub3c4\uccb4 \ubc31\uacfc\uc0ac\uc804]<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The etching process is a process that patterns a wafer using photolithography\u2026<\/p>","protected":false},"author":1,"featured_media":655,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[3],"tags":[28,42],"class_list":["post-644","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-semiconductor-process-and-device","tag-semiconductor","tag-42"],"_links":{"self":[{"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/posts\/644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/comments?post=644"}],"version-history":[{"count":7,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/posts\/644\/revisions"}],"predecessor-version":[{"id":876,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/posts\/644\/revisions\/876"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/media\/655"}],"wp:attachment":[{"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/media?parent=644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/categories?post=644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/tags?post=644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}<!-- 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