DE3889849D1 - Verfahren zum bevorzugten Ätzen von polykristallinem Silicium. - Google Patents
Verfahren zum bevorzugten Ätzen von polykristallinem Silicium.Info
- Publication number
- DE3889849D1 DE3889849D1 DE3889849T DE3889849T DE3889849D1 DE 3889849 D1 DE3889849 D1 DE 3889849D1 DE 3889849 T DE3889849 T DE 3889849T DE 3889849 T DE3889849 T DE 3889849T DE 3889849 D1 DE3889849 D1 DE 3889849D1
- Authority
- DE
- Germany
- Prior art keywords
- polycrystalline silicon
- preferentially etching
- etching polycrystalline
- preferentially
- silicon
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/32135—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 vapour etching only
- H01L21/32136—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 vapour etching only using plasmas
- H01L21/32137—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 vapour etching only using plasmas of silicon-containing layers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/115,307 US4799991A (en) | 1987-11-02 | 1987-11-02 | Process for preferentially etching polycrystalline silicon |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3889849D1 true DE3889849D1 (de) | 1994-07-07 |
DE3889849T2 DE3889849T2 (de) | 1995-01-05 |
Family
ID=22360519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3889849T Expired - Fee Related DE3889849T2 (de) | 1987-11-02 | 1988-10-20 | Verfahren zum bevorzugten Ätzen von polykristallinem Silicium. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4799991A (de) |
EP (1) | EP0314990B1 (de) |
JP (1) | JP2655336B2 (de) |
KR (1) | KR970011134B1 (de) |
DE (1) | DE3889849T2 (de) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0286855A1 (de) * | 1987-04-15 | 1988-10-19 | BBC Brown Boveri AG | Verfahren zum Aetzen von Vertiefungen in ein Siliziumsubstrat |
US5316616A (en) * | 1988-02-09 | 1994-05-31 | Fujitsu Limited | Dry etching with hydrogen bromide or bromine |
JPH02177432A (ja) * | 1988-12-28 | 1990-07-10 | Fujitsu Ltd | ドライ・エッチング方法 |
JP2673380B2 (ja) * | 1990-02-20 | 1997-11-05 | 三菱電機株式会社 | プラズマエッチングの方法 |
JP3127454B2 (ja) * | 1990-08-08 | 2001-01-22 | ソニー株式会社 | シリコン系被エッチング材のエッチング方法 |
JPH0779102B2 (ja) * | 1990-08-23 | 1995-08-23 | 富士通株式会社 | 半導体装置の製造方法 |
JP2964605B2 (ja) * | 1990-10-04 | 1999-10-18 | ソニー株式会社 | ドライエッチング方法 |
US5228950A (en) * | 1990-12-04 | 1993-07-20 | Applied Materials, Inc. | Dry process for removal of undesirable oxide and/or silicon residues from semiconductor wafer after processing |
US5242536A (en) * | 1990-12-20 | 1993-09-07 | Lsi Logic Corporation | Anisotropic polysilicon etching process |
US5167762A (en) * | 1991-01-02 | 1992-12-01 | Micron Technology, Inc. | Anisotropic etch method |
US5338398A (en) * | 1991-03-28 | 1994-08-16 | Applied Materials, Inc. | Tungsten silicide etch process selective to photoresist and oxide |
KR100188455B1 (ko) * | 1991-05-20 | 1999-06-01 | 이노우에 아키라 | 드라이 에칭방법 |
JP3179872B2 (ja) * | 1991-12-19 | 2001-06-25 | 東京エレクトロン株式会社 | エッチング方法 |
JP2574094B2 (ja) * | 1992-02-27 | 1997-01-22 | 株式会社日本製鋼所 | エッチング方法 |
US5378648A (en) * | 1992-07-15 | 1995-01-03 | Micron Technology, Inc. | Situ stringer removal during polysilicon capacitor cell plate delineation |
JP3009975B2 (ja) * | 1992-11-30 | 2000-02-14 | シャープ株式会社 | シリコン薄膜のドライエッチング方法 |
US5342801A (en) * | 1993-03-08 | 1994-08-30 | National Semiconductor Corporation | Controllable isotropic plasma etching technique for the suppression of stringers in memory cells |
US5474947A (en) * | 1993-12-27 | 1995-12-12 | Motorola Inc. | Nonvolatile memory process |
JP2871460B2 (ja) * | 1994-05-20 | 1999-03-17 | 株式会社日立製作所 | シリコンのエッチング方法 |
US5593538A (en) * | 1995-09-29 | 1997-01-14 | Motorola, Inc. | Method for etching a dielectric layer on a semiconductor |
US5767018A (en) * | 1995-11-08 | 1998-06-16 | Advanced Micro Devices, Inc. | Method of etching a polysilicon pattern |
US5895273A (en) * | 1997-06-27 | 1999-04-20 | International Business Machines Corporation | Silicon sidewall etching |
US6136211A (en) * | 1997-11-12 | 2000-10-24 | Applied Materials, Inc. | Self-cleaning etch process |
US6322714B1 (en) * | 1997-11-12 | 2001-11-27 | Applied Materials Inc. | Process for etching silicon-containing material on substrates |
US6797188B1 (en) | 1997-11-12 | 2004-09-28 | Meihua Shen | Self-cleaning process for etching silicon-containing material |
US6872322B1 (en) | 1997-11-12 | 2005-03-29 | Applied Materials, Inc. | Multiple stage process for cleaning process chambers |
KR100282709B1 (ko) * | 1998-08-28 | 2001-03-02 | 윤종용 | 반구형 실리콘을 이용한 캐패시터의 제조 방법 |
US7361287B2 (en) * | 1999-04-30 | 2008-04-22 | Robert Bosch Gmbh | Method for etching structures in an etching body by means of a plasma |
US6475915B1 (en) * | 1999-10-19 | 2002-11-05 | Advanced Micro Devices, Inc. | Ono etch using CL2/HE chemistry |
US6527968B1 (en) | 2000-03-27 | 2003-03-04 | Applied Materials Inc. | Two-stage self-cleaning silicon etch process |
US6905800B1 (en) | 2000-11-21 | 2005-06-14 | Stephen Yuen | Etching a substrate in a process zone |
US6852242B2 (en) | 2001-02-23 | 2005-02-08 | Zhi-Wen Sun | Cleaning of multicompositional etchant residues |
JP5037766B2 (ja) * | 2001-09-10 | 2012-10-03 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
DE10309711A1 (de) * | 2001-09-14 | 2004-09-16 | Robert Bosch Gmbh | Verfahren zum Einätzen von Strukturen in einem Ätzkörper mit einem Plasma |
KR100423064B1 (ko) * | 2002-03-21 | 2004-03-12 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
US7078247B2 (en) * | 2003-06-06 | 2006-07-18 | International Business Machines Corporation | Early detection of contact liner integrity by chemical reaction |
KR100793607B1 (ko) * | 2006-06-27 | 2008-01-10 | 매그나칩 반도체 유한회사 | 에피텍셜 실리콘 웨이퍼 및 그 제조방법 |
US8118946B2 (en) * | 2007-11-30 | 2012-02-21 | Wesley George Lau | Cleaning process residues from substrate processing chamber components |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56144542A (en) * | 1980-03-17 | 1981-11-10 | Ibm | Method of selectively reactively ion etching polycrystalline silicon for monocrsytalline silicon |
US4471522A (en) * | 1980-07-08 | 1984-09-18 | International Business Machines Corporation | Self-aligned metal process for field effect transistor integrated circuits using polycrystalline silicon gate electrodes |
DE3103177A1 (de) * | 1981-01-30 | 1982-08-26 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von polysiliziumstrukturen bis in den 1 (my)m-bereich auf integrierte halbleiterschaltungen enthaltenden substraten durch plasmaaetzen |
US4422897A (en) * | 1982-05-25 | 1983-12-27 | Massachusetts Institute Of Technology | Process for selectively etching silicon |
JPS58218121A (ja) * | 1982-06-11 | 1983-12-19 | Anelva Corp | シリコンのドライエツチングモニタリング方法 |
US4417947A (en) * | 1982-07-16 | 1983-11-29 | Signetics Corporation | Edge profile control during patterning of silicon by dry etching with CCl4 -O2 mixtures |
US4426246A (en) * | 1982-07-26 | 1984-01-17 | Bell Telephone Laboratories, Incorporated | Plasma pretreatment with BCl3 to remove passivation formed by fluorine-etch |
JPS59189625A (ja) * | 1983-04-13 | 1984-10-27 | Nec Corp | 半導体装置の製造方法 |
US4468285A (en) * | 1983-12-22 | 1984-08-28 | Advanced Micro Devices, Inc. | Plasma etch process for single-crystal silicon with improved selectivity to silicon dioxide |
US4490209B2 (en) * | 1983-12-27 | 2000-12-19 | Texas Instruments Inc | Plasma etching using hydrogen bromide addition |
JPS60145624A (ja) * | 1984-01-10 | 1985-08-01 | Nec Corp | パタ−ンの形成方法 |
US4528066A (en) * | 1984-07-06 | 1985-07-09 | Ibm Corporation | Selective anisotropic reactive ion etching process for polysilicide composite structures |
-
1987
- 1987-11-02 US US07/115,307 patent/US4799991A/en not_active Expired - Lifetime
-
1988
- 1988-10-20 DE DE3889849T patent/DE3889849T2/de not_active Expired - Fee Related
- 1988-10-20 EP EP88117495A patent/EP0314990B1/de not_active Expired - Lifetime
- 1988-11-01 KR KR1019880014315A patent/KR970011134B1/ko not_active IP Right Cessation
- 1988-11-02 JP JP63279190A patent/JP2655336B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH01230237A (ja) | 1989-09-13 |
EP0314990A2 (de) | 1989-05-10 |
KR970011134B1 (ko) | 1997-07-07 |
US4799991A (en) | 1989-01-24 |
KR890008959A (ko) | 1989-07-13 |
DE3889849T2 (de) | 1995-01-05 |
JP2655336B2 (ja) | 1997-09-17 |
EP0314990B1 (de) | 1994-06-01 |
EP0314990A3 (en) | 1989-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |