SG11202103910PA - Silicon nitride etching composition and method - Google Patents

Silicon nitride etching composition and method

Info

Publication number
SG11202103910PA
SG11202103910PA SG11202103910PA SG11202103910PA SG11202103910PA SG 11202103910P A SG11202103910P A SG 11202103910PA SG 11202103910P A SG11202103910P A SG 11202103910PA SG 11202103910P A SG11202103910P A SG 11202103910PA SG 11202103910P A SG11202103910P A SG 11202103910PA
Authority
SG
Singapore
Prior art keywords
silicon nitride
etching composition
nitride etching
composition
silicon
Prior art date
Application number
SG11202103910PA
Other languages
English (en)
Inventor
Steven M Bilodeau
Seongjin Hong
Hsing-Chen Wu
Min-Chieh Yang
Emanuel I Cooper
Original Assignee
Entegris Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Entegris Inc filed Critical Entegris Inc
Publication of SG11202103910PA publication Critical patent/SG11202103910PA/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K13/00Etching, surface-brightening or pickling compositions
    • C09K13/04Etching, surface-brightening or pickling compositions containing an inorganic acid
    • C09K13/06Etching, surface-brightening or pickling compositions containing an inorganic acid with organic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31Treatment 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
    • H01L21/3105After-treatment
    • H01L21/311Etching the insulating layers by chemical or physical means
    • H01L21/31105Etching inorganic layers
    • H01L21/31111Etching inorganic layers by chemical means
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K13/00Etching, surface-brightening or pickling compositions
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K13/00Etching, surface-brightening or pickling compositions
    • C09K13/04Etching, surface-brightening or pickling compositions containing an inorganic acid
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K13/00Etching, surface-brightening or pickling compositions
    • C09K13/04Etching, surface-brightening or pickling compositions containing an inorganic acid
    • C09K13/08Etching, surface-brightening or pickling compositions containing an inorganic acid containing a fluorine compound
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K13/00Etching, surface-brightening or pickling compositions
    • C09K13/04Etching, surface-brightening or pickling compositions containing an inorganic acid
    • C09K13/10Etching, surface-brightening or pickling compositions containing an inorganic acid containing a boron compound
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23FNON-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
    • C23F1/00Etching metallic material by chemical means
    • C23F1/10Etching compositions
    • C23F1/14Aqueous compositions
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02436Intermediate layers between substrates and deposited layers
    • H01L21/02439Materials
    • H01L21/02455Group 13/15 materials
    • H01L21/02458Nitrides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302Treatment 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
    • H01L21/306Chemical or electrical treatment, e.g. electrolytic etching
    • H01L21/30604Chemical etching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31Treatment 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
    • H01L21/3105After-treatment
    • H01L21/311Etching the insulating layers by chemical or physical means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31Treatment 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
    • H01L21/3105After-treatment
    • H01L21/311Etching the insulating layers by chemical or physical means
    • H01L21/31105Etching inorganic layers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31Treatment 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
    • H01L21/3205Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
    • H01L21/321After treatment
    • H01L21/3213Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
    • H01L21/32133Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
    • H01L21/32134Physical 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

Landscapes

  • 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)
SG11202103910PA 2018-11-15 2019-11-12 Silicon nitride etching composition and method SG11202103910PA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862767904P 2018-11-15 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
SG11202103910PA true SG11202103910PA (en) 2021-05-28

Family

ID=70727494

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202103910PA SG11202103910PA (en) 2018-11-15 2019-11-12 Silicon nitride etching composition and method

Country Status (7)

Country Link
US (3) US11053440B2 (ja)
JP (2) JP7438211B2 (ja)
KR (2) KR20240013860A (ja)
CN (1) CN112996881A (ja)
SG (1) SG11202103910PA (ja)
TW (2) TW202325824A (ja)
WO (1) WO2020102228A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112996881A (zh) * 2018-11-15 2021-06-18 恩特格里斯公司 氮化硅蚀刻组合物及方法
KR20220049560A (ko) * 2019-08-21 2022-04-21 엔테그리스, 아이엔씨. 고선택적 질화규소 에칭을 위한 개선된 제제
CN116134588A (zh) * 2020-07-30 2023-05-16 恩特格里斯公司 用于选择性蚀刻氮化硅膜的组合物和方法
KR102345842B1 (ko) * 2020-09-21 2021-12-31 주식회사 이엔에프테크놀로지 실리콘 질화막 식각 조성물 및 이를 이용한 방법
US12129418B2 (en) 2021-05-12 2024-10-29 Entegris, Inc. Selective etchant compositions and methods
WO2022251068A1 (en) * 2021-05-26 2022-12-01 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
WO2023145476A1 (ja) * 2022-01-27 2023-08-03 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
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

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2008080096A2 (en) * 2006-12-21 2008-07-03 Advanced Technology Materials, Inc. Compositions and methods for the selective removal of silicon nitride
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
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
JP2014529641A (ja) 2011-08-09 2014-11-13 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se シリコン基板の表面を処理するための水性アルカリ性組成物および方法
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
JP2014099480A (ja) 2012-11-13 2014-05-29 Fujifilm Corp 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
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
US9868902B2 (en) 2014-07-17 2018-01-16 Soulbrain Co., Ltd. Composition for etching
KR20160050536A (ko) * 2014-10-30 2016-05-11 램테크놀러지 주식회사 질화막 식각 조성물 및 이를 이용한 반도체 장치의 제조 방법
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
CN108028198B (zh) * 2015-08-26 2022-10-18 株式会社Adeka 蚀刻液组合物以及蚀刻方法
CN108026412B (zh) * 2015-09-03 2021-08-31 嘉柏微电子材料股份公司 用于加工介电基板的方法及组合物
KR102443370B1 (ko) * 2015-11-20 2022-09-15 동우 화인켐 주식회사 실리콘 질화막 식각액 조성물
KR102545802B1 (ko) * 2015-12-04 2023-06-21 솔브레인 주식회사 식각용 조성물 및 이를 이용한 반도체 소자의 제조방법
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
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
CN112996881A (zh) * 2018-11-15 2021-06-18 恩特格里斯公司 氮化硅蚀刻组合物及方法

Also Published As

Publication number Publication date
KR20210066007A (ko) 2021-06-04
JP2022507589A (ja) 2022-01-18
US20230295502A1 (en) 2023-09-21
JP2023109854A (ja) 2023-08-08
US20210296136A1 (en) 2021-09-23
JP7438211B2 (ja) 2024-02-26
KR20240013860A (ko) 2024-01-30
KR102628802B1 (ko) 2024-01-24
CN112996881A (zh) 2021-06-18
US11697767B2 (en) 2023-07-11
US11053440B2 (en) 2021-07-06
TW202325824A (zh) 2023-07-01
TWI797396B (zh) 2023-04-01
WO2020102228A1 (en) 2020-05-22
US20200157423A1 (en) 2020-05-21
TW202026403A (zh) 2020-07-16

Similar Documents

Publication Publication Date Title
SG11202103910PA (en) Silicon nitride etching composition and method
SG11202001854VA (en) Compositions and methods for etching silicon nitride-containing substrates
SG11202006604RA (en) Treatment methods for silicon nitride thin films
IL256951B (en) Preparations and methods for deposition of silicon nitride layers
EP3261114A4 (en) Composition for silicon wafer polishing and polishing method
EP3760581A4 (en) METHOD OF MANUFACTURING SILICON NITRIDE POWDER
EP3734666C0 (en) SEMICONDUCTOR COMPONENT AND PRODUCTION METHOD THEREOF
SG11202110021PA (en) Silicon nitride etching liquid composition
EP3828318A4 (en) SIC WAFER AND SIC WAFER MANUFACTURING METHOD
EP3811408A4 (en) SEMICONDUCTOR DEVICE AND METHOD FOR MAKING IT
EP3488461A4 (en) SILICON CHALCOGENIDE PRECURSORS, METHOD FOR PRODUCING THE SILICON CHALCOGENIDE PRECARORS AND RELATED METHODS FOR PRODUCING SILICON NITRIDE AND SEMICONDUCTOR STRUCTURES
SG10201905833RA (en) Semiconductor device and manufacturing method of the semiconductor device
EP3406684A4 (en) Polishing composition and method for polishing silicon substrate
EP3617351A4 (en) DEVICE AND METHOD FOR HORIZONTAL GROWTH OF SILICON SLICE
GB2576108B (en) Semiconductor etching methods
EP3540761A4 (en) POLISHING COMPOSITION AND METHOD FOR POLISHING SILICON WAFER
SG10202000680TA (en) Etchant composition for silicon nitride layer
EP3258483A4 (en) Method for polishing silicon wafer and surface treatment composition
EP3671816A4 (en) METHOD AND DEVICE FOR EVALUATING THE EDGE OF A SILICON SLICE, SILICON SLICE, AND ASSOCIATED SELECTION AND MANUFACTURING METHOD
IL260481B (en) Wet etching composition for substrate having sin layer and si layer and wet etching method using same
SG11202007793RA (en) Perhydropolysilazane compositions and methods for forming nitride films using same
PL3597797T3 (pl) Podłoże półprzewodnikowe z azotku grupy iii
EP3425658A4 (en) PROCESS FOR POLISHING A SILICONE SUBSTRATE POLISHING COMPOSITION SET
SG11202004796PA (en) Silicon oxide silicon nitride stack stair step etch
SG11202003615RA (en) Dry etch rate reduction of silicon nitride films