SG10201804769SA - Etching solution for selectively removing silicon nitride during manufacture of a semiconductor device - Google Patents
Etching solution for selectively removing silicon nitride during manufacture of a semiconductor deviceInfo
- Publication number
- SG10201804769SA SG10201804769SA SG10201804769SA SG10201804769SA SG10201804769SA SG 10201804769S A SG10201804769S A SG 10201804769SA SG 10201804769S A SG10201804769S A SG 10201804769SA SG 10201804769S A SG10201804769S A SG 10201804769SA SG 10201804769S A SG10201804769S A SG 10201804769SA
- Authority
- SG
- Singapore
- Prior art keywords
- silicon nitride
- etching solution
- semiconductor device
- selectively removing
- during manufacture
- Prior art date
Links
- 229910052581 Si3N4 Inorganic materials 0.000 title abstract 3
- 238000005530 etching Methods 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 title abstract 3
- 239000004065 semiconductor Substances 0.000 title abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000004377 microelectronic Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052814 silicon oxide Inorganic materials 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- 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
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/66—Chemical treatment, e.g. leaching, acid or alkali treatment
- C03C25/68—Chemical treatment, e.g. leaching, acid or alkali treatment by etching
-
- 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
- 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
-
- 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
-
- 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
- C23F1/44—Compositions for etching metallic material from a metallic material substrate of different composition
-
- 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
- H01L21/02041—Cleaning
- H01L21/02043—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H01L21/02046—Dry cleaning only
-
- 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
-
- 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
- H01L21/30608—Anisotropic liquid etching
-
- 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
- H01L21/34—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 not provided for in groups H01L21/0405, H01L21/0445, H01L21/06, H01L21/16 and H01L21/18 with or without impurities, e.g. doping materials
- H01L21/46—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428
- H01L21/461—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/465—Chemical or electrical treatment, e.g. electrolytic etching
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Weting (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Detergent Compositions (AREA)
Abstract
OF THE DISCLOSURE ETCHING SOLUTION FOR SELECTIVELY REMOVING SILICON NITRIDE DURING MANUFACTURE OF A SEMICONDUCTOR DEVICE Described herein is an etching solution comprising water, phosphoric acid solution (aqueous), and a hydroxyl group-containing solvent. Such compositions are useful for the selective removal of silicon nitride over silicon oxide from a microelectronic device having such material(s) thereon during its manufacture. (No drawing to be published)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762515351P | 2017-06-05 | 2017-06-05 | |
US15/990,000 US11186771B2 (en) | 2017-06-05 | 2018-05-25 | Etching solution for selectively removing silicon nitride during manufacture of a semiconductor device |
Publications (1)
Publication Number | Publication Date |
---|---|
SG10201804769SA true SG10201804769SA (en) | 2019-01-30 |
Family
ID=62528355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG10201804769SA SG10201804769SA (en) | 2017-06-05 | 2018-06-05 | Etching solution for selectively removing silicon nitride during manufacture of a semiconductor device |
Country Status (8)
Country | Link |
---|---|
US (1) | US11186771B2 (en) |
EP (1) | EP3422392B1 (en) |
JP (2) | JP7015214B2 (en) |
KR (1) | KR102141447B1 (en) |
CN (1) | CN109054838A (en) |
IL (1) | IL259799B2 (en) |
SG (1) | SG10201804769SA (en) |
TW (1) | TWI683037B (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190051656A (en) * | 2017-11-07 | 2019-05-15 | 삼성전자주식회사 | Composition for etching, method of etching silicon nitride layer, and method for manufacturing semiconductor device |
KR102362365B1 (en) * | 2018-04-11 | 2022-02-11 | 삼성에스디아이 주식회사 | Etching composition for silicone nitride and method for etching using the same |
EP3901250A4 (en) | 2018-11-02 | 2022-08-10 | Public University Corporation Nagoya City University | Method for producing pluripotent stem cell-derived intestinal organoid |
CN111363550A (en) * | 2018-12-26 | 2020-07-03 | 上海新阳半导体材料股份有限公司 | Selective etching liquid composition and preparation method and application thereof |
KR20210126782A (en) * | 2019-03-11 | 2021-10-20 | 버슘머트리얼즈 유에스, 엘엘씨 | Etching solution and method for selectively removing silicon nitride during fabrication of semiconductor devices |
EP3959291A4 (en) * | 2019-03-11 | 2023-07-19 | Versum Materials US, LLC | Etching solution and method for aluminum nitride |
KR20210026307A (en) * | 2019-08-29 | 2021-03-10 | 에스케이이노베이션 주식회사 | Etching composition, method for etching insulating layer of semiconductor devices using the same and method for preparing semiconductor devices |
KR102675055B1 (en) | 2019-09-18 | 2024-06-12 | 오씨아이 주식회사 | Etching solution for silicon nitride layer and method for preparing semiconductor device using the same |
KR20220079928A (en) * | 2019-10-09 | 2022-06-14 | 엔테그리스, 아이엔씨. | Wet Etching Compositions and Methods |
CN110846040A (en) * | 2019-11-08 | 2020-02-28 | 湖北兴福电子材料有限公司 | High-silicon-content phosphate etching solution and preparation method thereof |
CN110878208A (en) * | 2019-11-08 | 2020-03-13 | 湖北兴福电子材料有限公司 | Acidic etching solution for improving silicon nitride etching uniformity |
KR102315919B1 (en) | 2021-01-26 | 2021-10-22 | 연세대학교 산학협력단 | Non-phosphoric acid type etching composition for silicon nitride layer and etching method using the same |
KR102325905B1 (en) * | 2021-03-22 | 2021-11-12 | 연세대학교 산학협력단 | Etching composition for silicon nitride layer and etching method using the same |
JP2022167883A (en) * | 2021-04-22 | 2022-11-04 | 花王株式会社 | Etchant |
FR3122664B1 (en) * | 2021-05-05 | 2024-06-28 | Dehon | COMPOSITION FOR DEFLUXING ELECTRONIC ASSEMBLIES |
KR20240012468A (en) * | 2021-05-26 | 2024-01-29 | 엔테그리스, 아이엔씨. | Compositions and methods for selectively etching silicon nitride films |
EP4098729A1 (en) * | 2021-06-01 | 2022-12-07 | Cipelia | Non-flammable, volatile and aqueous cleaning composition |
US20240279548A1 (en) | 2021-06-14 | 2024-08-22 | Rasa Industries, Ltd. | Etching solution composition |
CN115353886B (en) * | 2022-08-31 | 2023-08-25 | 湖北兴福电子材料股份有限公司 | Phosphate-based etching solution and preparation method thereof |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4945452B1 (en) | 1969-05-13 | 1974-12-04 | ||
JPS5640682B2 (en) | 1972-02-01 | 1981-09-22 | ||
US4373656A (en) | 1981-07-17 | 1983-02-15 | Western Electric Company, Inc. | Method of preserving the solderability of copper |
US5472562A (en) | 1994-08-05 | 1995-12-05 | At&T Corp. | Method of etching silicon nitride |
US6162370A (en) | 1998-08-28 | 2000-12-19 | Ashland Inc. | Composition and method for selectively etching a silicon nitride film |
AU2001242510B2 (en) * | 2000-04-28 | 2006-02-23 | Merck Patent Gmbh | Etching pastes for inorganic surfaces |
DE10150040A1 (en) * | 2001-10-10 | 2003-04-17 | Merck Patent Gmbh | Etching passivating and antireflection layers made from silicon nitride on solar cells comprises applying a phosphoric acid and/or etching medium containing a salt of phosphoric acid the surface regions to be etched |
JP4434950B2 (en) * | 2002-08-22 | 2010-03-17 | ダイキン工業株式会社 | Stripping solution |
DE102005033724A1 (en) | 2005-07-15 | 2007-01-18 | Merck Patent Gmbh | Printable etching media for silicon dioxide and silicon nitride layers |
WO2008080096A2 (en) * | 2006-12-21 | 2008-07-03 | Advanced Technology Materials, Inc. | Compositions and methods for the selective removal of silicon nitride |
JP4947654B2 (en) * | 2007-09-28 | 2012-06-06 | シャープ株式会社 | Dielectric film patterning method |
JP2010205839A (en) * | 2009-03-02 | 2010-09-16 | Sharp Corp | Method of manufacturing semiconductor device |
JP5699463B2 (en) | 2010-07-06 | 2015-04-08 | 東ソー株式会社 | Etching solution and etching method of silicon nitride |
JP2012033561A (en) * | 2010-07-28 | 2012-02-16 | Sanyo Chem Ind Ltd | Etchant for silicon nitride |
JP2012099550A (en) * | 2010-10-29 | 2012-05-24 | Sanyo Chem Ind Ltd | Etchant for silicon nitride |
TW201243030A (en) * | 2011-04-20 | 2012-11-01 | Applied Materials Inc | Selective silicon nitride etch |
TW201311869A (en) | 2011-06-16 | 2013-03-16 | Advanced Tech Materials | Compositions and methods for selectively etching silicon nitride |
JP5913869B2 (en) * | 2011-08-31 | 2016-04-27 | 林純薬工業株式会社 | Etching solution composition and etching method |
JP5490071B2 (en) * | 2011-09-12 | 2014-05-14 | 株式会社東芝 | Etching method |
KR101782329B1 (en) | 2011-10-18 | 2017-09-28 | 삼성전자주식회사 | Compositions for etching and methods for forming semiconductor memory devices using the same |
US9868902B2 (en) * | 2014-07-17 | 2018-01-16 | Soulbrain Co., Ltd. | Composition for etching |
KR20170009240A (en) | 2015-07-16 | 2017-01-25 | 동우 화인켐 주식회사 | Non-fluorinated type etching composition for silicon nitride layer |
KR102443370B1 (en) | 2015-11-20 | 2022-09-15 | 동우 화인켐 주식회사 | Etching solution composition for a silicon nitride layer |
US10400167B2 (en) * | 2015-11-25 | 2019-09-03 | Versum Materials Us, Llc | Etching compositions and methods for using same |
-
2018
- 2018-05-25 US US15/990,000 patent/US11186771B2/en active Active
- 2018-06-03 TW TW107119087A patent/TWI683037B/en active
- 2018-06-04 KR KR1020180064165A patent/KR102141447B1/en active IP Right Grant
- 2018-06-04 IL IL259799A patent/IL259799B2/en unknown
- 2018-06-04 EP EP18175806.1A patent/EP3422392B1/en active Active
- 2018-06-05 JP JP2018107498A patent/JP7015214B2/en active Active
- 2018-06-05 SG SG10201804769SA patent/SG10201804769SA/en unknown
- 2018-06-05 CN CN201810570790.5A patent/CN109054838A/en active Pending
-
2021
- 2021-04-21 JP JP2021071961A patent/JP2021132212A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JP2021132212A (en) | 2021-09-09 |
US20180346811A1 (en) | 2018-12-06 |
EP3422392A1 (en) | 2019-01-02 |
US11186771B2 (en) | 2021-11-30 |
EP3422392B1 (en) | 2021-07-21 |
CN109054838A (en) | 2018-12-21 |
KR20180133226A (en) | 2018-12-13 |
JP7015214B2 (en) | 2022-02-02 |
IL259799B2 (en) | 2024-01-01 |
IL259799B1 (en) | 2023-09-01 |
JP2018207108A (en) | 2018-12-27 |
TWI683037B (en) | 2020-01-21 |
IL259799A (en) | 2018-07-31 |
KR102141447B1 (en) | 2020-08-05 |
TW201903207A (en) | 2019-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SG10201804769SA (en) | Etching solution for selectively removing silicon nitride during manufacture of a semiconductor device | |
SG10201807212VA (en) | Etching solution for selectively removing silicon-germanium alloy from a silicon-germanium/ silicon stack during manufacture of a semiconductor device | |
SG10201807214WA (en) | Etching solution for selectively removing silicon over silicon-germanium alloy from a silicon-germanium/ silicon stack during manufacture of a semiconductor device | |
WO2020185762A8 (en) | Etching solution and method for selectively removing silicon nitride during manufacture of a semiconductor device | |
SG10201807213YA (en) | Etching solution for selectively removing tantalum nitride over titanium nitride during manufacture of a semiconductor device | |
EP3684887A4 (en) | Etching solution for simultaneously removing silicon and silicon-germanium alloy from a silicon-germanium/silicon stack during manufacture of a semiconductor device | |
SG11201804639QA (en) | Composition for etching and method for manufacturing semiconductor device using same | |
MY173184A (en) | Tin hard mask and etch residue removal | |
SG11202001854VA (en) | Compositions and methods for etching silicon nitride-containing substrates | |
WO2018013614A3 (en) | Wafer-level etching methods for planar photonics circuits and devices | |
WO2016042408A3 (en) | Compositions for etching titanium nitride having compatability with silicon germanide and tungsten | |
ECSP17056462A (en) | AQUEOUS POINT DEPRESSOR DISPERSITION COMPOSITIONS, STABLE TO HYDROCARBON SOLVENTS | |
SG11202103910PA (en) | Silicon nitride etching composition and method | |
SG11202110021PA (en) | Silicon nitride etching liquid composition | |
SG11201901593TA (en) | Composition for surface treatment, and method for surface treatment and method for producing semiconductor substrate using the same | |
SG11202109419WA (en) | Dry etching method, method for manufacturing semiconductor device, and etching device | |
MX2011008789A (en) | Stripping compositions for cleaning ion implanted photoresist from semiconductor device wafers. | |
GB2537549A (en) | Selective metal/metal oxide etch process | |
SG11202003615RA (en) | Dry etch rate reduction of silicon nitride films | |
TW201611914A (en) | Method for cleaning semiconductor substrate and method for fabricating semiconductor device | |
TW201612973A (en) | Method for etching | |
SG11201902965XA (en) | Method for removing silicon dioxide from wafer and manufacturing process for integrated circuit | |
SG11202109169TA (en) | Dry etching method and method for producing semiconductor device | |
WO2018190950A3 (en) | Porous silicon dicing | |
TW201612307A (en) | Cleaning solution for photo-resist and use of cleaning solution for removal of photo-resist etching residues |