KR100447261B1 - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
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- KR100447261B1 KR100447261B1 KR1019970081325A KR19970081325A KR100447261B1 KR 100447261 B1 KR100447261 B1 KR 100447261B1 KR 1019970081325 A KR1019970081325 A KR 1019970081325A KR 19970081325 A KR19970081325 A KR 19970081325A KR 100447261 B1 KR100447261 B1 KR 100447261B1
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- Prior art keywords
- etching
- pattern
- gas
- insulating film
- film
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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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
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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
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-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
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
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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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (6)
- 반도체 기판 상부에 제 1절연막과 제 2절연막, 제 3절연막, 감광막패턴을 순차적으로 형성하는 공정과,상기 감광막패턴을 마스크로 상기 제 2절연막이 노출될때 까지 식각하여 제 3절연막패턴을 형성하는 공정과,상기 감광막패턴 및 제 3절연막패턴을 마스크로 제 1절연막의 일부가 노출될때 까지 식각하여 제 2절연막패턴과 제 1절연막패턴을 형성하는 공정과,상기 감광막패턴을 제거한 후 게이트전극용 절연막을 형성하는 공정과,상기 구조의 전표면에 금속막을 형성하는 공정과,상기 금속막을 CMP공정으로 상기 제 3절연막패턴이 노출될때 까지 연마하여 게이트절연막과 금속막패턴을 구비하는 게이트전극을 형성하는 공정을 포함하는 것을 특징으로 하는 반도체 소자의 제조방법
- 제 1 항에 있어서, 상기 제 1, 2, 3절연막은 각각 산화막, 질화막, 산화막으로 형성된 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제 3절연막 패턴시 상기 제 2절연막에 대하여 고식각선택비차를 갖는 식각가스로 CHF3, C4F8, C3F8, C2F4, C2F6, C2HF5가스군에서 임의의 1개 가스를 식각가스로 이용하거나 CH3F, CO, Ar 가스군에서 임의의 1개 가스를 식각가스로 이용하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항 또는 제 3 항에 있어서, 상기 CHF3, C4F8, C3F8, C2F4, C2F6, C2HF5가스식각들에 대한 공정 창을 확장시키기 위하여 CH2F2, CH3F, C2H2, H2등의 수소를 포함하는 가스를 첨가하여 식각공정을 진행하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항 또는 제 4 항에 있어서, 상기 CHF3, C4F8, C3F8, C2F4, C2F6, C2HF5가스식각에 Ar, He, Ne, Xe 가스를 혼합하여 식각 공정을 진행하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항 또는 제 4 항에 있어서, 상기 CH3F, CO, Ar 가스식각에 O2, Ar, He, N2가스를 혼합하여 사용하는 경우 상기 반도체 기판의 전극에 바이어스 파워를 가하지 않고 등방성식각 공정을 진행하는 것을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970081325A KR100447261B1 (ko) | 1997-12-31 | 1997-12-31 | 반도체 소자의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970081325A KR100447261B1 (ko) | 1997-12-31 | 1997-12-31 | 반도체 소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990061071A KR19990061071A (ko) | 1999-07-26 |
KR100447261B1 true KR100447261B1 (ko) | 2004-10-14 |
Family
ID=37362455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970081325A Expired - Fee Related KR100447261B1 (ko) | 1997-12-31 | 1997-12-31 | 반도체 소자의 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100447261B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100642903B1 (ko) * | 1999-10-20 | 2006-11-03 | 매그나칩 반도체 유한회사 | 반도체 소자의 게이트 전극 형성방법 |
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1997
- 1997-12-31 KR KR1019970081325A patent/KR100447261B1/ko not_active Expired - Fee Related
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KR19990061071A (ko) | 1999-07-26 |
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