KR100707654B1 - 반도체 장치의 소자 분리 구조 및 그 형성방법 - Google Patents
반도체 장치의 소자 분리 구조 및 그 형성방법 Download PDFInfo
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- KR100707654B1 KR100707654B1 KR1020050067890A KR20050067890A KR100707654B1 KR 100707654 B1 KR100707654 B1 KR 100707654B1 KR 1020050067890 A KR1020050067890 A KR 1020050067890A KR 20050067890 A KR20050067890 A KR 20050067890A KR 100707654 B1 KR100707654 B1 KR 100707654B1
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- Prior art keywords
- semiconductor layer
- layer
- strained
- device isolation
- forming
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 134
- 238000002955 isolation Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title description 7
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000005530 etching Methods 0.000 claims abstract description 12
- 238000005468 ion implantation Methods 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 abstract description 18
- 239000010703 silicon Substances 0.000 abstract description 18
- 230000015556 catabolic process Effects 0.000 abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 18
- 229910052732 germanium Inorganic materials 0.000 description 7
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 7
- 238000000926 separation method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/751—Insulated-gate field-effect transistors [IGFET] having composition variations in the channel regions
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- 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)
- Element Separation (AREA)
Abstract
Description
Claims (7)
- 제 1 반도체층, 제 1 반도체층보다 격자 상수가 큰 제 2 반도체층 및 스트레인드 반도체층이 차례로 적층된 기판;상기 제 1 반도체층, 제 2 반도체층 및 스트레인드 반도체층으로 구성된 기판 전체에 형성된 제 1 도전형 웰;상기 스트레인드 반도체층 및 상기 제 2 반도체층에 형성되어 활성영역을 한정하는 소자분리막; 및상기 소자분리막 하부에 형성된 제 2 도전형의 펀치스탑층을 포함하는 소자분리 구조.
- 제1항에서,상기 펀치스탑층은 상기 소자분리막 하부의 제 2 반도체층 및 제 1 반도체층에 형성된 것을 특징으로 하는 소자 분리 구조.
- 제 1 반도체층 상에 제 1 반도체층보다 격자 상수가 큰 제 2 반도체층을 형성하는 단계;상기 제 2 반도체층 상에 스트레인드 반도체층을 형성하는 단계;제 1 도전형 불순물을 주입하여 상기 스트레인드 반도체층, 상기 제 2 반도체층 및 상기 제 1 반도체층에 제 1 도전형의 웰을 형성하는 단계;상기 스트레인드 반도체층 및 상기 제 2 반도체층을 순차적으로 식각하여 트 렌치 영역을 형성하는 단계; 및상기 트렌치 영역 하부에 제 2 도전형의 펀치스탑층을 형성하는 단계; 및상기 트렌치 영역에 절연막을 채워 소자분리막을 형성하는 단계를 포함하는 소자 분리 구조 형성 방법.
- 제3항에서,상기 트렌치 영역을 형성하는 단계는,상기 스트레인드 반도체층 상에 오프닝을 가지는 마스크층을 형성하는 단계;상기 마스크층을 식각마스크로 사용하여 상기 스트레인드 반도체층 및 상기 제 2 반도체층을 식각하는 단계를 포함하는 소자 분리 구조 형성 방법.
- 제4항에서,상기 트렌치 영역 하부에 제 2 반도체층이 잔존되도록 식각하는 것을 특징으로 하는 소자 분리 구조 형성 방법.
- 제4항에서,상기 펀치스탑층은 상기 마스크층을 이온주입 마스크로 사용하여 상기 트렌치 영역 하부에 불순물을 주입하여 형성하는 것을 특징으로 하는 소자 분리 구조 형성 방법.
- 제3항에서,상기 펀치스탑층은 상기 트렌치 영역 하부의 제 2 반도체층 및 제 1 반도체층에 형성하는 것을 특징으로 하는 소자 분리 구조 형성 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050067890A KR100707654B1 (ko) | 2005-07-26 | 2005-07-26 | 반도체 장치의 소자 분리 구조 및 그 형성방법 |
CNB200610103586XA CN100505256C (zh) | 2005-07-26 | 2006-07-25 | 半导体器件的器件隔离结构及其形成方法 |
US11/494,388 US7629238B2 (en) | 2005-07-26 | 2006-07-26 | Device isolation structure of a semiconductor device and method of forming the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050067890A KR100707654B1 (ko) | 2005-07-26 | 2005-07-26 | 반도체 장치의 소자 분리 구조 및 그 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070013516A KR20070013516A (ko) | 2007-01-31 |
KR100707654B1 true KR100707654B1 (ko) | 2007-04-13 |
Family
ID=37674390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050067890A Expired - Fee Related KR100707654B1 (ko) | 2005-07-26 | 2005-07-26 | 반도체 장치의 소자 분리 구조 및 그 형성방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7629238B2 (ko) |
KR (1) | KR100707654B1 (ko) |
CN (1) | CN100505256C (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100181639A1 (en) * | 2009-01-19 | 2010-07-22 | Vanguard International Semiconductor Corporation | Semiconductor devices and fabrication methods thereof |
US11437313B2 (en) * | 2020-02-19 | 2022-09-06 | Taiwan Semiconductor Manufacturing Co., Ltd. | Structure and method of forming a semiconductor device with resistive elements |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6902991B2 (en) | 2002-10-24 | 2005-06-07 | Advanced Micro Devices, Inc. | Semiconductor device having a thick strained silicon layer and method of its formation |
KR20050091051A (ko) * | 2002-12-31 | 2005-09-14 | 어드밴스드 마이크로 디바이시즈, 인코포레이티드 | 두꺼운 스트레인드 실리콘 층 형성 방법 및 두꺼운스트레인드 실리콘 층이 합체된 반도체 구조들 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0629313A (ja) | 1991-11-18 | 1994-02-04 | Sony Corp | Locosオフセットドレインの製造方法 |
FR2842349B1 (fr) | 2002-07-09 | 2005-02-18 | Transfert d'une couche mince a partir d'une plaquette comprenant une couche tampon | |
US20040209437A1 (en) | 2003-04-16 | 2004-10-21 | Taiwan Semiconductor Manufacturing Co. | Method of forming a shallow trench isolation region in strained silicon layer and in an underlying on silicon - germanium layer |
US20050067377A1 (en) * | 2003-09-25 | 2005-03-31 | Ryan Lei | Germanium-on-insulator fabrication utilizing wafer bonding |
JP2005197475A (ja) * | 2004-01-07 | 2005-07-21 | Oki Electric Ind Co Ltd | 半導体装置のドライエッチング方法 |
US20050191812A1 (en) * | 2004-03-01 | 2005-09-01 | Lsi Logic Corporation | Spacer-less transistor integration scheme for high-k gate dielectrics and small gate-to-gate spaces applicable to Si, SiGe strained silicon schemes |
US7396728B2 (en) * | 2005-06-29 | 2008-07-08 | Texas Instruments Incorporated | Methods of improving drive currents by employing strain inducing STI liners |
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2005
- 2005-07-26 KR KR1020050067890A patent/KR100707654B1/ko not_active Expired - Fee Related
-
2006
- 2006-07-25 CN CNB200610103586XA patent/CN100505256C/zh not_active Expired - Fee Related
- 2006-07-26 US US11/494,388 patent/US7629238B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6902991B2 (en) | 2002-10-24 | 2005-06-07 | Advanced Micro Devices, Inc. | Semiconductor device having a thick strained silicon layer and method of its formation |
KR20050091051A (ko) * | 2002-12-31 | 2005-09-14 | 어드밴스드 마이크로 디바이시즈, 인코포레이티드 | 두꺼운 스트레인드 실리콘 층 형성 방법 및 두꺼운스트레인드 실리콘 층이 합체된 반도체 구조들 |
Also Published As
Publication number | Publication date |
---|---|
US20070023858A1 (en) | 2007-02-01 |
CN1905186A (zh) | 2007-01-31 |
US7629238B2 (en) | 2009-12-08 |
CN100505256C (zh) | 2009-06-24 |
KR20070013516A (ko) | 2007-01-31 |
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