KR101667499B1 - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR101667499B1 KR101667499B1 KR1020150183285A KR20150183285A KR101667499B1 KR 101667499 B1 KR101667499 B1 KR 101667499B1 KR 1020150183285 A KR1020150183285 A KR 1020150183285A KR 20150183285 A KR20150183285 A KR 20150183285A KR 101667499 B1 KR101667499 B1 KR 101667499B1
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- H01L29/4236—
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0221—Manufacture or treatment of FETs having insulated gates [IGFET] having asymmetry in the channel direction, e.g. lateral high-voltage MISFETs having drain offset region or extended-drain MOSFETs [EDMOS]
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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
- H10D64/512—Disposition of the gate electrodes, e.g. buried gates
- H10D64/513—Disposition of the gate electrodes, e.g. buried gates within recesses in the substrate, e.g. trench gates, groove gates or buried gates
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- H01L29/1037—
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- H01L29/517—
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/024—Manufacture or treatment of FETs having insulated gates [IGFET] of fin field-effect transistors [FinFET]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/026—Manufacture or treatment of FETs having insulated gates [IGFET] having laterally-coplanar source and drain regions, a gate at the sides of the bulk channel, and both horizontal and vertical current flow
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- 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]
- H10D30/601—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs
- H10D30/603—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs having asymmetry in the channel direction, e.g. lateral high-voltage MISFETs having drain offset region or extended drain IGFETs [EDMOS]
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- 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]
- H10D30/601—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs
- H10D30/608—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs having non-planar bodies, e.g. having recessed gate electrodes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/213—Channel regions of field-effect devices
- H10D62/221—Channel regions of field-effect devices of FETs
- H10D62/235—Channel regions of field-effect devices of FETs of IGFETs
- H10D62/292—Non-planar channels of IGFETs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1306—Field-effect transistor [FET]
- H01L2924/13091—Metal-Oxide-Semiconductor Field-Effect Transistor [MOSFET]
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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
- H10D64/517—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers
- H10D64/518—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers characterised by their lengths or sectional shapes
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
도 2a 내지 도 2c 는 종래의 반도체 장치를 설명하는 도면.
도 3a 내지 도 3f 는 도 1a 내지 도 1c 의 반도체 장치를 제조하는 방법을 설명하는 도면.
도 4 는 변형예 1 에 따른 반도체 장치의 구조를 설명하는 도면.
도 5a 내지 도 5i 는 도 4 의 반도체 장치를 제조하는 방법을 설명하는 도면.
※ 도면의 주요부분에 대한 부호의 설명
1: 반도체 기판 2: 웰 영역
3: 게이트 전극 4: 절연막
5a: 상부 소스 영역 5b: 하부 소스 영역
6a: 상부 드레인 영역 6b: 하부 드레인 영역
9: 채널 영역 10: 전류 경로
11a: 오목부 (트렌치) 11b: 볼록부
Claims (2)
- 반도체 기판과,
상기 반도체 기판에 형성되며, 게이트 폭 방향으로 요철부가 형성된 제 1 도전형의 웰 영역과,
상기 요철부의 표면에 형성된 절연막과,
상기 요철부의 오목부에 상기 절연막을 통해서 매립된 게이트 전극의 제 1 부분과,
상기 오목부의 양 단부를 덮지 않고, 상기 게이트 전극의 상기 제 1 부분에 접촉하도록 하여 상기 요철부 상에 상기 절연막을 통해서 형성한 상기 게이트 전극의 제 2 부분과,
상기 게이트 전극의 요철 길이 방향의 일방측에 상기 웰 영역의 상부에 걸쳐 형성된 상기 웰 영역 보다 불순물 농도가 높은 제 2 도전형의 상부 고농도 소스 영역과,
상기 상부 고농도 소스 영역의 하측에, 상기 상부 고농도 소스 영역과 접하고, 상기 웰 영역보다 얕게 형성된 상기 웰 영역 보다 불순물 농도가 높은 제 2 도전형의 하부 고농도 소스 영역과,
상기 게이트 전극의 요철 길이 방향의 타방측에 상기 웰 영역의 상부에 걸쳐 형성된 상기 웰 영역보다 불순물 농도가 높은 제 2 도전형의 상부 고농도 드레인 영역과,
상기 상부 고농도 드레인 영역의 하측에, 상기 상부 고농도 드레인 영역과 접하고, 상기 웰 영역보다 얕게 형성된 상기 웰 영역보다 불순물 농도가 높은 제 2 도전형의 하부 고농도 드레인 영역을 구비한 것을 특징으로 하는 반도체 장치. - 제 1 항에 있어서,
상기 게이트 전극과 상기 제 2 도전형의 상부 고농도 드레인 영역 및 상기 제 2 도전형의 하부 고농도 드레인 영역의 사이가, 저 불순물 농도를 갖도록 설정되는, 반도체 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008044393A JP5442951B2 (ja) | 2008-02-26 | 2008-02-26 | 半導体装置の製造方法 |
JPJP-P-2008-044393 | 2008-02-26 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090014839A Division KR101618613B1 (ko) | 2008-02-26 | 2009-02-23 | 반도체 장치 및 그 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20160002642A KR20160002642A (ko) | 2016-01-08 |
KR101667499B1 true KR101667499B1 (ko) | 2016-10-28 |
Family
ID=40997475
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090014839A Expired - Fee Related KR101618613B1 (ko) | 2008-02-26 | 2009-02-23 | 반도체 장치 및 그 제조 방법 |
KR1020150183285A Expired - Fee Related KR101667499B1 (ko) | 2008-02-26 | 2015-12-21 | 반도체 장치 및 그 제조 방법 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020090014839A Expired - Fee Related KR101618613B1 (ko) | 2008-02-26 | 2009-02-23 | 반도체 장치 및 그 제조 방법 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7888212B2 (ko) |
JP (1) | JP5442951B2 (ko) |
KR (2) | KR101618613B1 (ko) |
CN (1) | CN101521230B (ko) |
TW (1) | TWI472032B (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5165954B2 (ja) * | 2007-07-27 | 2013-03-21 | セイコーインスツル株式会社 | 半導体装置 |
CN102198925B (zh) | 2010-03-25 | 2015-03-04 | 张家港丽恒光微电子科技有限公司 | Mems器件及其形成方法 |
JP6084357B2 (ja) * | 2011-11-02 | 2017-02-22 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP5939846B2 (ja) * | 2012-03-09 | 2016-06-22 | エスアイアイ・セミコンダクタ株式会社 | 半導体装置の製造方法 |
FR2995139A1 (fr) * | 2012-09-04 | 2014-03-07 | St Microelectronics Sa | Transistor mos |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003303962A (ja) | 2002-04-09 | 2003-10-24 | Denso Corp | 半導体装置及びその製造方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03209760A (ja) * | 1990-01-11 | 1991-09-12 | Mitsubishi Electric Corp | 半導体装置 |
JPH05168211A (ja) * | 1991-12-11 | 1993-07-02 | Okuma Mach Works Ltd | 多極レゾルバー |
KR970701932A (ko) * | 1995-01-17 | 1997-04-12 | 클라크 3세 존엠. | 고전압 nmos 장치의 개선된 수행을 위한 연장된 드레인 영역에 인과 비소의 공통 주입(co-implantation of arsenic and phosphorus in extended drain region for improved performance of high voltage nmos device) |
JPH098291A (ja) * | 1995-06-20 | 1997-01-10 | Fujitsu Ltd | 半導体装置 |
JP3405681B2 (ja) * | 1997-07-31 | 2003-05-12 | 株式会社東芝 | 半導体装置 |
JPH11168211A (ja) * | 1997-12-02 | 1999-06-22 | Toyota Central Res & Dev Lab Inc | 半導体装置 |
US6114205A (en) * | 1998-10-30 | 2000-09-05 | Sony Corporation | Epitaxial channel vertical MOS transistor |
GB0314392D0 (en) * | 2003-06-20 | 2003-07-23 | Koninkl Philips Electronics Nv | Trench mos structure |
JP2006019518A (ja) * | 2004-07-01 | 2006-01-19 | Seiko Instruments Inc | 横型トレンチmosfet |
JP4976658B2 (ja) * | 2005-04-05 | 2012-07-18 | セイコーインスツル株式会社 | 半導体装置の製造方法 |
-
2008
- 2008-02-26 JP JP2008044393A patent/JP5442951B2/ja not_active Expired - Fee Related
-
2009
- 2009-02-23 KR KR1020090014839A patent/KR101618613B1/ko not_active Expired - Fee Related
- 2009-02-24 TW TW98105808A patent/TWI472032B/zh not_active IP Right Cessation
- 2009-02-25 US US12/392,450 patent/US7888212B2/en not_active Expired - Fee Related
- 2009-02-26 CN CN200910007920.5A patent/CN101521230B/zh not_active Expired - Fee Related
-
2011
- 2011-01-03 US US12/983,583 patent/US8207575B2/en not_active Expired - Fee Related
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2015
- 2015-12-21 KR KR1020150183285A patent/KR101667499B1/ko not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003303962A (ja) | 2002-04-09 | 2003-10-24 | Denso Corp | 半導体装置及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US7888212B2 (en) | 2011-02-15 |
KR20090092232A (ko) | 2009-08-31 |
CN101521230B (zh) | 2013-08-21 |
KR20160002642A (ko) | 2016-01-08 |
US8207575B2 (en) | 2012-06-26 |
CN101521230A (zh) | 2009-09-02 |
KR101618613B1 (ko) | 2016-05-09 |
TWI472032B (zh) | 2015-02-01 |
JP5442951B2 (ja) | 2014-03-19 |
US20110156138A1 (en) | 2011-06-30 |
US20090212375A1 (en) | 2009-08-27 |
TW200945586A (en) | 2009-11-01 |
JP2009206145A (ja) | 2009-09-10 |
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