KR100380148B1 - 반도체 소자의 소자 분리막 형성 방법 - Google Patents
반도체 소자의 소자 분리막 형성 방법 Download PDFInfo
- Publication number
- KR100380148B1 KR100380148B1 KR10-2000-0075986A KR20000075986A KR100380148B1 KR 100380148 B1 KR100380148 B1 KR 100380148B1 KR 20000075986 A KR20000075986 A KR 20000075986A KR 100380148 B1 KR100380148 B1 KR 100380148B1
- Authority
- KR
- South Korea
- Prior art keywords
- etching
- gas
- semiconductor substrate
- region
- forming
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76229—Concurrent filling of a plurality of trenches having a different trench shape or dimension, e.g. rectangular and V-shaped trenches, wide and narrow trenches, shallow and deep trenches
-
- 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
- H01L21/3065—Plasma etching; Reactive-ion 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76232—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Element Separation (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (5)
- 반도체 기판 상에 패드 산화막 및 패드 질화막을 순차적으로 형성하는 단계;상기 패드 질화막 및 패드 산화막의 소정 영역을 식각하되 패턴 간격이 넓은 영역의 패드 질화막 및 패드 산화막이 완전히 제거될 때까지만 1차 식각 공정을 실시하는 단계;패턴이 좁은 영역에 잔류하는 패드 질화막 및 패드 산화막을 완전히 제거하면서 상기 넓은 영역과 상기 좁은 영역의 식각 깊이가 동일하도록 상기 반도체 기판을 식각하되 상기 반도체 기판의 액티브 영역 코너가 라운드 형태로 되도록 2차 식각 공정을 실시하는 단계;상기 넓은 영역과 상기 좁은 영역의 식각 속도를 동일하게 하여 상기 반도체 기판을 목표 깊이까지 식각해 트랜치를 형성하는 3차 식각 공정을 실시하는 단계;상기 트랜치의 내부를 절연 물질로 매립한 후 상기 반도체 기판 상의 상기 패드 질화막, 패드 산화막 및 상기 절연 물질을 제거하고 평탄화하는 단계로 이루어지는 것을 특징으로 하는 반도체 소자의 소자 분리막 형성 방법.
- 제 1 항에 있어서,상기 1차 식각 공정은 식각 가스로 CF4가스를 사용하는 것을 특징으로 하는반도체 소자의 소자 분리막 형성 방법.
- 제 1 항에 있어서,상기 2차 식각 공정은 CHF3가스와 CH4가스를 혼합한 혼합가스를 식각 가스로 사용하며, CHF3가스를 이용해 상기 액티브 영역 코너에 폴리머를 발생시켜 상기 액티브 코너 영역을 라운드 형태로 식각하는 것을 특징으로 하는 반도체 소자의 소자 분리막 형성 방법.
- 제 3 항에 있어서,상기 CHF3가스와 CH4가스의 혼합은 6 : 4 내지 8 : 2의 비율로 하며, 이상적으로는 7 : 3의 비율로 혼합하는 것을 특징으로 하는 반도체 소자의 소자 분리막 형성 방법.
- 제 3 항에 있어서,상기 액티브 코너 영역의 식각은 300 내지 400Å의 깊이로 실시하는 것을 특징으로 하는 반도체 소자의 소자 분리막 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0075986A KR100380148B1 (ko) | 2000-12-13 | 2000-12-13 | 반도체 소자의 소자 분리막 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0075986A KR100380148B1 (ko) | 2000-12-13 | 2000-12-13 | 반도체 소자의 소자 분리막 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020047524A KR20020047524A (ko) | 2002-06-22 |
KR100380148B1 true KR100380148B1 (ko) | 2003-04-11 |
Family
ID=27681473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0075986A Expired - Fee Related KR100380148B1 (ko) | 2000-12-13 | 2000-12-13 | 반도체 소자의 소자 분리막 형성 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100380148B1 (ko) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02304947A (ja) * | 1989-05-05 | 1990-12-18 | American Teleph & Telegr Co <Att> | 半導体デバイスの製造方法 |
JPH07161806A (ja) * | 1993-12-02 | 1995-06-23 | Nec Corp | 半導体装置の製造方法 |
JPH10125770A (ja) * | 1996-10-21 | 1998-05-15 | Nec Corp | 半導体集積回路の製造方法 |
JPH10199968A (ja) * | 1997-01-10 | 1998-07-31 | Sony Corp | 半導体装置及び半導体装置の素子間分離溝の形成方法 |
US6057209A (en) * | 1997-07-10 | 2000-05-02 | Advanced Micro Devices, Inc. | Semiconductor device having a nitrogen bearing isolation region |
JP2000150632A (ja) * | 1998-11-10 | 2000-05-30 | Sharp Corp | 半導体装置の製造方法 |
-
2000
- 2000-12-13 KR KR10-2000-0075986A patent/KR100380148B1/ko not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02304947A (ja) * | 1989-05-05 | 1990-12-18 | American Teleph & Telegr Co <Att> | 半導体デバイスの製造方法 |
JPH07161806A (ja) * | 1993-12-02 | 1995-06-23 | Nec Corp | 半導体装置の製造方法 |
JPH10125770A (ja) * | 1996-10-21 | 1998-05-15 | Nec Corp | 半導体集積回路の製造方法 |
JPH10199968A (ja) * | 1997-01-10 | 1998-07-31 | Sony Corp | 半導体装置及び半導体装置の素子間分離溝の形成方法 |
US6057209A (en) * | 1997-07-10 | 2000-05-02 | Advanced Micro Devices, Inc. | Semiconductor device having a nitrogen bearing isolation region |
JP2000150632A (ja) * | 1998-11-10 | 2000-05-30 | Sharp Corp | 半導体装置の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20020047524A (ko) | 2002-06-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6033980A (en) | Method of forming submicron contacts and vias in an integrated circuit | |
JPH01290236A (ja) | 幅の広いトレンチを平坦化する方法 | |
CN101213649A (zh) | 半导体处理方法和半导体构造 | |
KR20090032013A (ko) | 반도체 집적 회로 장치의 제조 방법 | |
US6171929B1 (en) | Shallow trench isolator via non-critical chemical mechanical polishing | |
JP4039504B2 (ja) | 半導体装置の製造方法 | |
KR100513799B1 (ko) | 트렌치형 소자분리막을 구비한 반도체 소자의 제조 방법 | |
KR19980085035A (ko) | 라운딩된 프로파일을 갖는 트렌치 형성방법 및 이를 이용한 반도체장치의 소자분리방법 | |
KR100380148B1 (ko) | 반도체 소자의 소자 분리막 형성 방법 | |
KR100390040B1 (ko) | 반도체소자의 듀얼게이트 제조방법 | |
JP2906997B2 (ja) | 半導体装置の製造方法 | |
KR100399064B1 (ko) | 반도체 소자 제조방법 | |
KR100634267B1 (ko) | 반도체 장치에서 소자 분리 영역의 형성 방법 | |
KR100353832B1 (ko) | 반도체 소자의 소자 격리막 형성 방법 | |
KR100459928B1 (ko) | 반도체 소자의 제조 방법 | |
KR100442147B1 (ko) | 이중 다마신 패턴 형성 방법 | |
KR20030001875A (ko) | 반도체 소자의 소자분리막 형성방법 | |
KR20020001335A (ko) | 다마신 게이트공정에서의 평탄화를 위한 반도체소자의제조 방법 | |
KR100875072B1 (ko) | 반도체 소자의 소자 분리막 형성 방법 | |
KR20000013286A (ko) | 반도체 장치의 소자분리막 제조방법 | |
KR100735607B1 (ko) | 패드폴리 형성방법 | |
KR20020045271A (ko) | 반도체 소자의 소자 분리막 형성 방법 | |
KR20050067474A (ko) | 반도체소자의 소자분리 방법 | |
KR980012263A (ko) | 얕은 트랜치 절연 방법 | |
KR20000043882A (ko) | 반도체 소자의 소자 분리막 형성 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
PN2301 | Change of applicant |
St.27 status event code: A-3-3-R10-R13-asn-PN2301 St.27 status event code: A-3-3-R10-R11-asn-PN2301 |
|
PN2301 | Change of applicant |
St.27 status event code: A-3-3-R10-R13-asn-PN2301 St.27 status event code: A-3-3-R10-R11-asn-PN2301 |
|
D13-X000 | Search requested |
St.27 status event code: A-1-2-D10-D13-srh-X000 |
|
D14-X000 | Search report completed |
St.27 status event code: A-1-2-D10-D14-srh-X000 |
|
PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R14-asn-PN2301 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 20060402 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20060402 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |