CN112996881A - 氮化硅蚀刻组合物及方法 - Google Patents
氮化硅蚀刻组合物及方法 Download PDFInfo
- Publication number
- CN112996881A CN112996881A CN201980073936.8A CN201980073936A CN112996881A CN 112996881 A CN112996881 A CN 112996881A CN 201980073936 A CN201980073936 A CN 201980073936A CN 112996881 A CN112996881 A CN 112996881A
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- Prior art keywords
- composition
- silicon nitride
- compound
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- 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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
-
- 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
-
- 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
- C09K13/06—Etching, surface-brightening or pickling compositions containing an inorganic acid with organic material
-
- 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
-
- 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
- C09K13/10—Etching, surface-brightening or pickling compositions containing an inorganic acid containing a boron compound
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
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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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02455—Group 13/15 materials
- H01L21/02458—Nitrides
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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
- H01L21/311—Etching the insulating layers by chemical or physical means
-
- 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
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
-
- 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
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
-
- 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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32134—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by liquid etching only
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Weting (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862767904P | 2018-11-15 | 2018-11-15 | |
| US62/767,904 | 2018-11-15 | ||
| PCT/US2019/060974 WO2020102228A1 (en) | 2018-11-15 | 2019-11-12 | Silicon nitride etching composition and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112996881A true CN112996881A (zh) | 2021-06-18 |
Family
ID=70727494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201980073936.8A Pending CN112996881A (zh) | 2018-11-15 | 2019-11-12 | 氮化硅蚀刻组合物及方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US11053440B2 (enExample) |
| JP (2) | JP7438211B2 (enExample) |
| KR (2) | KR102628802B1 (enExample) |
| CN (1) | CN112996881A (enExample) |
| SG (1) | SG11202103910PA (enExample) |
| TW (2) | TWI878801B (enExample) |
| WO (1) | WO2020102228A1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115873599A (zh) * | 2022-10-10 | 2023-03-31 | 湖北兴福电子材料股份有限公司 | 氮化硅/氧化硅的3d nand结构片的选择性蚀刻液 |
| CN117384642A (zh) * | 2023-09-13 | 2024-01-12 | 湖北兴福电子材料股份有限公司 | 一种选择性蚀刻液 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG11202103910PA (en) * | 2018-11-15 | 2021-05-28 | Entegris Inc | Silicon nitride etching composition and method |
| CN113632199B (zh) * | 2019-02-20 | 2025-06-24 | 上海集成电路材料研究院有限公司 | 通过湿化学法选择性去除Si3N4 |
| TWI851797B (zh) | 2019-08-21 | 2024-08-11 | 美商恩特葛瑞斯股份有限公司 | 用於高選擇性氮化矽蝕刻之改良調配物 |
| US11530356B2 (en) * | 2020-07-30 | 2022-12-20 | Entegris, Inc. | Compositions and methods for selectively etching silicon nitride films |
| KR102345842B1 (ko) * | 2020-09-21 | 2021-12-31 | 주식회사 이엔에프테크놀로지 | 실리콘 질화막 식각 조성물 및 이를 이용한 방법 |
| JP7739459B2 (ja) | 2021-05-07 | 2025-09-16 | インテグリス・インコーポレーテッド | 多孔質ポリ(環状オレフィン)膜 |
| WO2022241126A1 (en) * | 2021-05-12 | 2022-11-17 | Entegris, Inc. | Selective etchant compositions and methods |
| US12012540B2 (en) | 2021-05-26 | 2024-06-18 | Entegris, Inc. | Compositions and methods for selectively etching silicon nitride films |
| KR102713360B1 (ko) * | 2021-11-29 | 2024-10-07 | (주)후성 | 실리콘 질화막 에칭 조성물 및 이의 제조방법 |
| JP2023109710A (ja) * | 2022-01-27 | 2023-08-08 | ステラケミファ株式会社 | 微細加工処理剤、及び微細加工処理方法 |
| CN116631852A (zh) * | 2022-02-14 | 2023-08-22 | 联芯集成电路制造(厦门)有限公司 | 硬掩模层的移除方法 |
| WO2025250786A1 (en) * | 2024-05-31 | 2025-12-04 | Entegris, Inc. | Selective silicon nitride etching compositions and related systems and related methods |
| CN119081702B (zh) * | 2024-11-06 | 2025-04-15 | 浙江尚能实业股份有限公司 | 一种低表面张力二氧化硅蚀刻液及其制备方法和应用 |
Citations (4)
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| CN101605869A (zh) * | 2006-12-21 | 2009-12-16 | 高级技术材料公司 | 选择性除去四氮化三硅的组合物和方法 |
| WO2014077199A1 (ja) * | 2012-11-13 | 2014-05-22 | 富士フイルム株式会社 | 半導体基板のエッチング方法及び半導体素子の製造方法 |
| TW201615804A (zh) * | 2014-10-30 | 2016-05-01 | 拉姆科技有限公司 | 蝕刻劑組成物及使用其製造半導體裝置的方法 |
| CN108291132A (zh) * | 2015-12-04 | 2018-07-17 | 秀博瑞殷株式公社 | 蚀刻用组合物以及利用该组合物半导体器件的制造方法 |
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| US6162370A (en) | 1998-08-28 | 2000-12-19 | Ashland Inc. | Composition and method for selectively etching a silicon nitride film |
| KR100327342B1 (ko) | 1999-10-27 | 2002-03-06 | 윤종용 | 반도체소자 제조용 식각조성물 및 이 식각조성물을 이용한 식각방법 |
| US20030022800A1 (en) | 2001-06-14 | 2003-01-30 | Peters Darryl W. | Aqueous buffered fluoride-containing etch residue removers and cleaners |
| US20060021974A1 (en) | 2004-01-29 | 2006-02-02 | Applied Materials, Inc. | Method and composition for polishing a substrate |
| KR20060108436A (ko) | 2005-04-13 | 2006-10-18 | 매그나칩 반도체 유한회사 | 반도체 소자 세정용 조성물 및 이를 이용한 반도체 소자의세정 방법 |
| US8025811B2 (en) | 2006-03-29 | 2011-09-27 | Intel Corporation | Composition for etching a metal hard mask material in semiconductor processing |
| DE102007012578A1 (de) * | 2006-09-01 | 2008-03-06 | Bühler PARTEC GmbH | Kationisch stabilisierte wässrige Silicadispersion, Verfahren zu deren Herstellung und deren Verwendung |
| JP5332197B2 (ja) * | 2007-01-12 | 2013-11-06 | 東ソー株式会社 | エッチング用組成物及びエッチング方法 |
| TW200849371A (en) * | 2007-02-28 | 2008-12-16 | Tosoh Corp | Etching method and etching composition useful for the method |
| KR101097277B1 (ko) | 2009-10-07 | 2011-12-22 | 솔브레인 주식회사 | 습식 식각용 조성물 |
| JP2012033561A (ja) * | 2010-07-28 | 2012-02-16 | Sanyo Chem Ind Ltd | 窒化ケイ素用エッチング液 |
| JP2012099550A (ja) * | 2010-10-29 | 2012-05-24 | Sanyo Chem Ind Ltd | 窒化ケイ素用エッチング液 |
| KR101391605B1 (ko) | 2010-12-31 | 2014-05-08 | 솔브레인 주식회사 | 실리콘 질화막 식각액 조성물 |
| MY167595A (en) | 2011-08-09 | 2018-09-20 | Basf Se | Aqueous alkaline compositions and method for treating the surface of silicon substrates |
| JP5913869B2 (ja) | 2011-08-31 | 2016-04-27 | 林純薬工業株式会社 | エッチング液組成物およびエッチング方法 |
| KR101335855B1 (ko) | 2011-12-20 | 2013-12-02 | 오씨아이 주식회사 | 실리콘 질화막의 에칭 용액 |
| KR101380487B1 (ko) | 2012-05-09 | 2014-04-01 | 오씨아이 주식회사 | 실리콘 질화막의 에칭 용액 |
| JP6180298B2 (ja) | 2013-11-27 | 2017-08-16 | 株式会社Adeka | エッチング液組成物及びエッチング方法 |
| 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 |
| US9868902B2 (en) | 2014-07-17 | 2018-01-16 | Soulbrain Co., Ltd. | Composition for etching |
| WO2016096083A1 (en) | 2014-12-19 | 2016-06-23 | Merck Patent Gmbh | Agent for increasing etching rates |
| US10301580B2 (en) * | 2014-12-30 | 2019-05-28 | Versum Materials Us, Llc | Stripping compositions having high WN/W etching selectivity |
| KR101757812B1 (ko) | 2015-05-29 | 2017-07-14 | 세메스 주식회사 | 인산 재생 유닛 및 방법, 그리고 기판 처리 장치 및 방법 |
| KR101728951B1 (ko) | 2015-06-25 | 2017-04-21 | 오씨아이 주식회사 | 실리콘 질화막 식각 용액 |
| KR20170009240A (ko) * | 2015-07-16 | 2017-01-25 | 동우 화인켐 주식회사 | 비불소계 실리콘 질화막 식각 조성물 |
| WO2017033915A1 (ja) * | 2015-08-26 | 2017-03-02 | 株式会社Adeka | エッチング液組成物及びエッチング方法 |
| KR102670778B1 (ko) * | 2015-09-03 | 2024-05-29 | 씨엠씨 머티리얼즈 엘엘씨 | 유전체 기판 처리를 위한 방법 및 조성물 |
| KR102443370B1 (ko) * | 2015-11-20 | 2022-09-15 | 동우 화인켐 주식회사 | 실리콘 질화막 식각액 조성물 |
| WO2017095022A1 (ko) | 2015-12-04 | 2017-06-08 | 솔브레인 주식회사 | 식각용 조성물 및 이를 이용한 반도체 소자의 제조방법 |
| US10515820B2 (en) | 2016-03-30 | 2019-12-24 | Tokyo Electron Limited | Process and apparatus for processing a nitride structure without silica deposition |
| US10167425B2 (en) * | 2016-05-04 | 2019-01-01 | Oci Company Ltd. | Etching solution capable of suppressing particle appearance |
| KR102424391B1 (ko) * | 2016-11-24 | 2022-08-05 | 삼성전자주식회사 | 식각 조성물 및 이를 이용한 집적회로 소자의 제조 방법 |
| US10995269B2 (en) * | 2016-11-24 | 2021-05-04 | Samsung Electronics Co., Ltd. | Etchant composition and method of fabricating integrated circuit device using the same |
| KR102240647B1 (ko) * | 2017-03-28 | 2021-04-15 | 주식회사 이엔에프테크놀로지 | 실리콘 질화막 식각 조성물 |
| KR101828437B1 (ko) | 2017-04-06 | 2018-03-29 | 주식회사 디엔에스 | 실리콘 질화막 식각용 조성물. |
| KR102258316B1 (ko) * | 2018-06-25 | 2021-06-01 | 주식회사 이엔에프테크놀로지 | 실리콘 질화막 식각 조성물 |
| SG11202103910PA (en) * | 2018-11-15 | 2021-05-28 | Entegris Inc | Silicon nitride etching composition and method |
-
2019
- 2019-11-12 SG SG11202103910PA patent/SG11202103910PA/en unknown
- 2019-11-12 KR KR1020217014303A patent/KR102628802B1/ko active Active
- 2019-11-12 WO PCT/US2019/060974 patent/WO2020102228A1/en not_active Ceased
- 2019-11-12 US US16/681,449 patent/US11053440B2/en active Active
- 2019-11-12 CN CN201980073936.8A patent/CN112996881A/zh active Pending
- 2019-11-12 JP JP2021526685A patent/JP7438211B2/ja active Active
- 2019-11-12 KR KR1020247002231A patent/KR20240013860A/ko active Pending
- 2019-11-15 TW TW112106253A patent/TWI878801B/zh active
- 2019-11-15 TW TW108141573A patent/TWI797396B/zh active
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2021
- 2021-06-07 US US17/341,138 patent/US11697767B2/en active Active
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2023
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| CN101605869A (zh) * | 2006-12-21 | 2009-12-16 | 高级技术材料公司 | 选择性除去四氮化三硅的组合物和方法 |
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| CN115873599A (zh) * | 2022-10-10 | 2023-03-31 | 湖北兴福电子材料股份有限公司 | 氮化硅/氧化硅的3d nand结构片的选择性蚀刻液 |
| WO2024077874A1 (zh) * | 2022-10-10 | 2024-04-18 | 湖北兴福电子材料股份有限公司 | 氮化硅/氧化硅的3d nand结构片的选择性蚀刻液 |
| CN115873599B (zh) * | 2022-10-10 | 2024-05-17 | 湖北兴福电子材料股份有限公司 | 氮化硅/氧化硅的3d nand结构片的选择性蚀刻液 |
| CN117384642A (zh) * | 2023-09-13 | 2024-01-12 | 湖北兴福电子材料股份有限公司 | 一种选择性蚀刻液 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7438211B2 (ja) | 2024-02-26 |
| US11053440B2 (en) | 2021-07-06 |
| WO2020102228A1 (en) | 2020-05-22 |
| JP2022507589A (ja) | 2022-01-18 |
| US20230295502A1 (en) | 2023-09-21 |
| TW202026403A (zh) | 2020-07-16 |
| KR102628802B1 (ko) | 2024-01-24 |
| TW202325824A (zh) | 2023-07-01 |
| JP7583105B2 (ja) | 2024-11-13 |
| KR20210066007A (ko) | 2021-06-04 |
| US11697767B2 (en) | 2023-07-11 |
| US20210296136A1 (en) | 2021-09-23 |
| US20200157423A1 (en) | 2020-05-21 |
| KR20240013860A (ko) | 2024-01-30 |
| TWI878801B (zh) | 2025-04-01 |
| SG11202103910PA (en) | 2021-05-28 |
| JP2023109854A (ja) | 2023-08-08 |
| TWI797396B (zh) | 2023-04-01 |
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