KR102803329B1 - 식각 조성물, 이를 이용한 절연막의 식각방법 및 반도체 소자의 제조방법 - Google Patents
식각 조성물, 이를 이용한 절연막의 식각방법 및 반도체 소자의 제조방법 Download PDFInfo
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- KR102803329B1 KR102803329B1 KR1020190106888A KR20190106888A KR102803329B1 KR 102803329 B1 KR102803329 B1 KR 102803329B1 KR 1020190106888 A KR1020190106888 A KR 1020190106888A KR 20190106888 A KR20190106888 A KR 20190106888A KR 102803329 B1 KR102803329 B1 KR 102803329B1
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
- C09K13/06—Etching, surface-brightening or pickling compositions containing an inorganic acid with organic material
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
- C09K13/08—Etching, surface-brightening or pickling compositions containing an inorganic acid containing a fluorine compound
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30604—Chemical etching
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/31051—Planarisation of the insulating layers
- H01L21/31053—Planarisation of the insulating layers involving a dielectric removal step
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
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- Condensed Matter Physics & Semiconductors (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Weting (AREA)
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
(1)
여기서, R1 내지 R3는 독립적으로 수소, 치환 또는 비치환된 하이드로카빌이고, R1 내지 R3 중 적어도 하나는 치환 또는 비치환된 하이드로카빌이다.
Description
| 조성(중량%) | 유기인산 첨가제의 함량(종류) |
공정온도 (℃) |
SiN E/R (Å/min) |
SiO E/R (Å/min) |
선택비 | ||
| 85% 인산 |
3-아미노프로필 실란트리올 |
||||||
| 비교예 1 | 99.5 | 0.5wt% | - | 158 | 68.3 | 0.32 | 213 |
| 비교예 1 | 99.4 | 0.5wt% | 0.1wt%((NH4)OAc) | 158 | 72.7 | 0.21 | 346 |
| 실시예 1 | 99.4 | 0.5wt% | 0.1wt%(1) | 158 | 85.3 | 0.13 | 656 |
| 실시예 2 | 99.4 | 0.5wt% | 0.1wt%(2) | 158 | 81.7 | 0.15 | 545 |
| 실시예 3 | 99.4 | 0.5wt% | 0.1wt%(3) | 158 | 83.4 | 0.09 | 927 |
| 실시예 4 | 99.4 | 0.5wt% | 0.1wt%(4) | 158 | 88.9 | 0.11 | 808 |
| 실시예 5 | 99.4 | 0.5wt% | 0.1wt%(5) | 158 | 86.1 | 0.16 | 538 |
| 구분 | 보관 기간 | SiN E/R(Å/min) | SiO E/R(Å/min) | 선택비 |
| 비교예 1 | - | 68.3 | 0.32 | 213 |
| 7일 | 66.7 | 0.35 | 191 | |
| 14일 | 65.1 | 0.36 | 181 | |
| 21일 | 61.3 | 0.39 | 157 | |
| 실시예 1 | - | 85.3 | 0.13 | 656 |
| 7일 | 85.1 | 0.13 | 655 | |
| 14일 | 84.7 | 0.13 | 652 | |
| 21일 | 84.5 | 0.13 | 650 |
Claims (9)
- 식각 조성물 전체 중량을 기준으로 인산 85 내지 95 중량%, Si 원자를 하나 이상 포함하며 다음 화학식 2로 표시되는 실란 화합물 0.001 내지 5 중량%, 및 다음 화학식 1로 표시되는 유기인산 0.001 내지 10 중량%을 포함하는, 실리콘 질화막용 식각 조성물:
화학식 1
화학식 1에서, R1 내지 R3는 독립적으로 수소, 치환 또는 비치환된 하이드로카빌이며, R1 내지 R3 중 적어도 하나는 치환 또는 비치환된 하이드로카빌이며,
화학식 2
화학식 2에서, R51 내지 R54는 서로 독립적으로 수소, 히드록시, 아미노프로필, 치환 또는 비치환된 하이드로카빌, 또는 치환 또는 비치환된 헤테로하이드로카빌이다. - 제1항에 있어서, 상기 하이드로카빌은 치환 또는 비치환된 C1-C20알킬, 치환 또는 비치환된 C2-C20알케닐 또는 치환 또는 비치환된 C6-C20아릴인 실리콘 질화막용 식각 조성물.
- 제2항에 있어서, 상기 R1 내지 R3는 치환 또는 비치환된 C1-C10알킬 또는 치환 또는 비치환된 C6~C10아릴인 실리콘 질화막용 식각 조성물.
- 제1항에 있어서, 상기 화학식 1은 다음 (1) 내지 (27)의 구조에서 선택되는 것인 실리콘 질화막용 식각 조성물.
, , , , , , , ,, , , ,, ,, , , , , , , , , , , - 삭제
- 삭제
- 제1항에 있어서, 암모늄염을 더 포함하는 실리콘 질화막용 식각 조성물.
- 제1항 내지 제4항 및 제7항 중 어느 한 항의 실리콘 질화막용 식각 조성물을 이용한 실리콘 질화막의 식각 방법.
- 기판상에 터널산화막, 폴리실리콘막, 버퍼산화막 및 패드질화막을 순차적으로 형성하는 단계,
상기 폴리실리콘막, 상기 버퍼산화막 및 상기 패드질화막을 선택적으로 식각하여 트렌치를 형성하는 단계,
SOD 산화막을 형성하여 상기 트렌치를 갭 충전(gap-fill)하는 단계,
상기 패드질화막을 연마정지막으로 하여 상기 SOD 산화막에 대해 화학적 기계 연마(CMP) 공정을 실시하는 단계,
제1항 내지 제4항 및 제7항 중 어느 한 항의 실리콘 질화막용 식각 조성물을 이용한 습식 식각에 의하여 상기 패드질화막을 제거하는 단계, 및
상기 버퍼산화막을 제거하는 단계
를 포함하는 반도체 소자의 제조방법.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190106888A KR102803329B1 (ko) | 2019-08-29 | 2019-08-29 | 식각 조성물, 이를 이용한 절연막의 식각방법 및 반도체 소자의 제조방법 |
| US16/993,424 US12146092B2 (en) | 2019-08-29 | 2020-08-14 | Etching composition, method for etching insulating film of semiconductor devices using the same and method for preparing semiconductor devices |
| CN202010827110.0A CN112442373A (zh) | 2019-08-29 | 2020-08-17 | 蚀刻组合物、使用蚀刻组合物蚀刻半导体器件的绝缘膜的方法以及制备半导体器件的方法 |
| TW109128042A TW202108747A (zh) | 2019-08-29 | 2020-08-18 | 蝕刻組合物、使用彼蝕刻半導體元件之絕緣膜的方法及製備半導體元件的方法 |
| JP2020141534A JP2021034737A (ja) | 2019-08-29 | 2020-08-25 | エッチング組成物、それを用いた絶縁膜のエッチング方法、及び半導体素子の製造方法 |
| JP2025096505A JP2025131786A (ja) | 2019-08-29 | 2025-06-10 | エッチング組成物、それを用いた絶縁膜のエッチング方法、及び半導体素子の製造方法 |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020190106888A KR102803329B1 (ko) | 2019-08-29 | 2019-08-29 | 식각 조성물, 이를 이용한 절연막의 식각방법 및 반도체 소자의 제조방법 |
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| Publication Number | Publication Date |
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| KR20210026307A KR20210026307A (ko) | 2021-03-10 |
| KR102803329B1 true KR102803329B1 (ko) | 2025-05-07 |
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| Country | Link |
|---|---|
| US (1) | US12146092B2 (ko) |
| JP (2) | JP2021034737A (ko) |
| KR (1) | KR102803329B1 (ko) |
| CN (1) | CN112442373A (ko) |
| TW (1) | TW202108747A (ko) |
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| CN119039991B (zh) * | 2024-10-30 | 2025-06-03 | 西安蓝桥新能源科技有限公司 | 一种用于硅片碱刻蚀抛光的添加剂、反应液及方法与应用 |
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| CN1678961B (zh) * | 2002-08-22 | 2010-05-05 | 大金工业株式会社 | 剥离液 |
| JP2006098421A (ja) * | 2003-06-10 | 2006-04-13 | Daikin Ind Ltd | シリコンを含有する反射防止膜および埋め込み材の除去液と除去方法 |
| WO2006124201A2 (en) | 2005-05-13 | 2006-11-23 | Sachem, Inc. | Selective wet etching of oxides |
| CN102477260B (zh) | 2010-11-26 | 2014-12-03 | 安集微电子(上海)有限公司 | 一种化学机械抛光液 |
| CN102817035B (zh) | 2012-09-10 | 2014-08-27 | 广州波耳化工材料有限公司 | 应用于自动化生产的铝合金化学抛光剂 |
| TWI661935B (zh) * | 2014-06-13 | 2019-06-11 | 日商富士軟片股份有限公司 | 暫時接著用積層體、暫時接著用積層體的製造方法以及帶有元件晶圓的積層體 |
| JP6580397B2 (ja) | 2014-07-17 | 2019-09-25 | ソウルブレイン シーオー., エルティーディー. | エッチング用組成物及びこれを用いた半導体素子の製造方法 |
| KR20160010267A (ko) | 2014-07-17 | 2016-01-27 | 솔브레인 주식회사 | 식각용 조성물 및 이를 이용한 반도체 소자의 제조방법 |
| KR102545802B1 (ko) | 2015-12-04 | 2023-06-21 | 솔브레인 주식회사 | 식각용 조성물 및 이를 이용한 반도체 소자의 제조방법 |
| KR20170093004A (ko) * | 2016-02-04 | 2017-08-14 | 동우 화인켐 주식회사 | 실리콘 질화막 식각액 조성물 및 이를 이용하는 반도체 소자 및 tft 어레이 기판의 제조방법 |
| US10167425B2 (en) | 2016-05-04 | 2019-01-01 | Oci Company Ltd. | Etching solution capable of suppressing particle appearance |
| WO2018124705A1 (ko) | 2016-12-26 | 2018-07-05 | 솔브레인 주식회사 | 식각용 조성물 및 이를 이용한 반도체 소자의 제조방법 |
| US11186771B2 (en) * | 2017-06-05 | 2021-11-30 | Versum Materials Us, Llc | Etching solution for selectively removing silicon nitride during manufacture of a semiconductor device |
| CN113817471B (zh) * | 2017-09-06 | 2022-11-15 | 恩特格里斯公司 | 用于蚀刻含氮化硅衬底的组合物及方法 |
| KR102629574B1 (ko) | 2017-11-24 | 2024-01-26 | 동우 화인켐 주식회사 | 절연막 식각액 조성물 및 이를 이용한 패턴 형성 방법 |
| KR102546609B1 (ko) * | 2018-07-13 | 2023-06-23 | 오씨아이 주식회사 | 실리콘 기판 식각 용액 |
| JP7725368B2 (ja) * | 2019-03-11 | 2025-08-19 | バーサム マテリアルズ ユーエス,リミティド ライアビリティ カンパニー | 半導体装置の製造の間に窒化ケイ素を選択的に除去するためのエッチング溶液及び方法 |
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2019
- 2019-08-29 KR KR1020190106888A patent/KR102803329B1/ko active Active
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2020
- 2020-08-14 US US16/993,424 patent/US12146092B2/en active Active
- 2020-08-17 CN CN202010827110.0A patent/CN112442373A/zh active Pending
- 2020-08-18 TW TW109128042A patent/TW202108747A/zh unknown
- 2020-08-25 JP JP2020141534A patent/JP2021034737A/ja active Pending
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| Publication number | Publication date |
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| KR20210026307A (ko) | 2021-03-10 |
| CN112442373A (zh) | 2021-03-05 |
| US20210062088A1 (en) | 2021-03-04 |
| JP2021034737A (ja) | 2021-03-01 |
| US12146092B2 (en) | 2024-11-19 |
| JP2025131786A (ja) | 2025-09-09 |
| TW202108747A (zh) | 2021-03-01 |
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