DE68901789D1 - Selectives anisotropisches aetzen von nitriden. - Google Patents
Selectives anisotropisches aetzen von nitriden.Info
- Publication number
- DE68901789D1 DE68901789D1 DE8989480009T DE68901789T DE68901789D1 DE 68901789 D1 DE68901789 D1 DE 68901789D1 DE 8989480009 T DE8989480009 T DE 8989480009T DE 68901789 T DE68901789 T DE 68901789T DE 68901789 D1 DE68901789 D1 DE 68901789D1
- Authority
- DE
- Germany
- Prior art keywords
- nitrids
- selective
- anisotropical etching
- anisotropical
- etching
- 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
- 238000005530 etching Methods 0.000 title 1
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 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
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Drying Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/157,762 US4832787A (en) | 1988-02-19 | 1988-02-19 | Gas mixture and method for anisotropic selective etch of nitride |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68901789D1 true DE68901789D1 (de) | 1992-07-23 |
DE68901789T2 DE68901789T2 (de) | 1993-01-28 |
Family
ID=22565168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8989480009T Expired - Fee Related DE68901789T2 (de) | 1988-02-19 | 1989-01-17 | Selectives anisotropisches aetzen von nitriden. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4832787A (de) |
EP (1) | EP0329586B1 (de) |
JP (1) | JPH0648680B2 (de) |
DE (1) | DE68901789T2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4975146A (en) * | 1989-09-08 | 1990-12-04 | Motorola Inc. | Plasma removal of unwanted material |
JPH04354331A (ja) * | 1991-05-31 | 1992-12-08 | Sony Corp | ドライエッチング方法 |
EP0547906B1 (de) * | 1991-12-18 | 1997-06-25 | STMicroelectronics, Inc. | Verfahren zur Herstellung von Kontakten in Löchern in integrierten Schaltungen |
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 |
US5783101A (en) * | 1994-09-16 | 1998-07-21 | Applied Materials, Inc. | High etch rate residue free metal etch process with low frequency high power inductive coupled plasma |
EP0739537A1 (de) * | 1994-11-10 | 1996-10-30 | National Semiconductor Corporation | Verfahren zum anisotropen und selektiven trocken ätzen von nitrid über dünnen oxid |
WO1998007383A1 (en) | 1996-08-22 | 1998-02-26 | Valey Edwin T Van | Dental model articulator |
US6060328A (en) | 1997-09-05 | 2000-05-09 | Advanced Micro Devices, Inc. | Methods and arrangements for determining an endpoint for an in-situ local interconnect etching process |
JPH11145113A (ja) * | 1997-11-13 | 1999-05-28 | Nec Corp | エッチング方法 |
EP1070346A1 (de) | 1998-04-02 | 2001-01-24 | Applied Materials, Inc. | Ätzverfahren für dielektrische schichten mit niedriger dielektrizitätskonstante |
KR100319879B1 (ko) * | 1998-05-28 | 2002-08-24 | 삼성전자 주식회사 | 백금족금속막식각방법을이용한커패시터의하부전극형성방법 |
US6069047A (en) * | 1998-09-29 | 2000-05-30 | Wanlass; Frank M. | Method of making damascene completely self aligned ultra short channel MOS transistor |
JP3593492B2 (ja) * | 2000-06-13 | 2004-11-24 | 株式会社日立製作所 | プラズマ処理方法 |
US7338907B2 (en) * | 2004-10-04 | 2008-03-04 | Sharp Laboratories Of America, Inc. | Selective etching processes of silicon nitride and indium oxide thin films for FeRAM device applications |
EP2209048B1 (de) * | 2009-01-15 | 2013-09-04 | Shin-Etsu Chemical Co., Ltd. | Fotomaskenherstellungsverfahren, und Trockenätzverfahren |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3951709A (en) * | 1974-02-28 | 1976-04-20 | Lfe Corporation | Process and material for semiconductor photomask fabrication |
JPS5690525A (en) * | 1979-11-28 | 1981-07-22 | Fujitsu Ltd | Manufacture of semiconductor device |
NL8004005A (nl) * | 1980-07-11 | 1982-02-01 | Philips Nv | Werkwijze voor het vervaardigen van een halfgeleiderinrichting. |
JPS5789226A (en) * | 1980-11-19 | 1982-06-03 | Ibm | Method of etching silicon nitride layer |
JPS5878427A (ja) * | 1981-11-05 | 1983-05-12 | Toshiba Corp | ドライエツチング方法 |
JPS5916978A (ja) * | 1982-07-20 | 1984-01-28 | Tokyo Denshi Kagaku Kabushiki | 金属被膜の選択的エツチング方法 |
US4412885A (en) * | 1982-11-03 | 1983-11-01 | Applied Materials, Inc. | Materials and methods for plasma etching of aluminum and aluminum alloys |
DE3420347A1 (de) * | 1983-06-01 | 1984-12-06 | Hitachi, Ltd., Tokio/Tokyo | Gas und verfahren zum selektiven aetzen von siliciumnitrid |
JPS6298728A (ja) * | 1985-10-25 | 1987-05-08 | Matsushita Electric Ind Co Ltd | ドライエツチング装置 |
-
1988
- 1988-02-19 US US07/157,762 patent/US4832787A/en not_active Expired - Lifetime
- 1988-12-16 JP JP63316575A patent/JPH0648680B2/ja not_active Expired - Lifetime
-
1989
- 1989-01-17 DE DE8989480009T patent/DE68901789T2/de not_active Expired - Fee Related
- 1989-01-17 EP EP89480009A patent/EP0329586B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0648680B2 (ja) | 1994-06-22 |
JPH01220448A (ja) | 1989-09-04 |
DE68901789T2 (de) | 1993-01-28 |
EP0329586A1 (de) | 1989-08-23 |
EP0329586B1 (de) | 1992-06-17 |
US4832787A (en) | 1989-05-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |