CN101552292B - 半导体器件及其制造方法 - Google Patents

半导体器件及其制造方法 Download PDF

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Publication number
CN101552292B
CN101552292B CN2009101184317A CN200910118431A CN101552292B CN 101552292 B CN101552292 B CN 101552292B CN 2009101184317 A CN2009101184317 A CN 2009101184317A CN 200910118431 A CN200910118431 A CN 200910118431A CN 101552292 B CN101552292 B CN 101552292B
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CN
China
Prior art keywords
conductivity type
region
insulating film
semiconductor substrate
regions
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Expired - Fee Related
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CN2009101184317A
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English (en)
Chinese (zh)
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CN101552292A (zh
Inventor
理崎智光
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Ablic Inc
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Seiko Instruments Inc
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Publication of CN101552292A publication Critical patent/CN101552292A/zh
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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 
    • H10D64/23—Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
    • H10D64/251—Source or drain electrodes for field-effect devices
    • H10D64/256—Source or drain electrodes for field-effect devices for lateral devices wherein the source or drain electrodes are recessed in semiconductor bodies
    • 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]
    • 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]
    • H10D30/63—Vertical IGFETs
    • 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]
    • H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
    • H10D30/65—Lateral DMOS [LDMOS] FETs
    • H10D30/658—Lateral DMOS [LDMOS] FETs having trench gate electrodes
    • 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]
    • H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
    • H10D30/66—Vertical DMOS [VDMOS] FETs
    • H10D30/668—Vertical DMOS [VDMOS] FETs having trench gate electrodes, e.g. UMOS transistors
    • 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
    • H10D64/01—Manufacture or treatment
    • H10D64/025—Manufacture or treatment forming recessed gates, e.g. by using local oxidation
    • H10D64/027—Manufacture or treatment forming recessed gates, e.g. by using local oxidation by etching at gate locations
    • 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
    • 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
    • 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
    • H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
    • H10D62/149—Source or drain regions of field-effect devices
    • H10D62/151—Source or drain regions of field-effect devices of IGFETs 
    • H10D62/156—Drain regions of DMOS transistors
    • H10D62/158—Dispositions
    • 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 
    • H10D64/23—Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
    • H10D64/251—Source or drain electrodes for field-effect devices
    • H10D64/257—Source or drain electrodes for field-effect devices for lateral devices wherein the source or drain electrodes are characterised by top-view geometrical layouts, e.g. interdigitated, semi-circular, annular or L-shaped electrodes

Landscapes

  • Insulated Gate Type Field-Effect Transistor (AREA)
  • Electrodes Of Semiconductors (AREA)
CN2009101184317A 2008-02-27 2009-02-27 半导体器件及其制造方法 Expired - Fee Related CN101552292B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008046370A JP2009206268A (ja) 2008-02-27 2008-02-27 半導体装置及びその製造方法
JP2008046370 2008-02-27
JP2008-046370 2008-02-27

Publications (2)

Publication Number Publication Date
CN101552292A CN101552292A (zh) 2009-10-07
CN101552292B true CN101552292B (zh) 2013-03-27

Family

ID=40600263

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009101184317A Expired - Fee Related CN101552292B (zh) 2008-02-27 2009-02-27 半导体器件及其制造方法

Country Status (6)

Country Link
US (2) US7859049B2 (https=)
EP (1) EP2096677A3 (https=)
JP (1) JP2009206268A (https=)
KR (1) KR20090092718A (https=)
CN (1) CN101552292B (https=)
TW (1) TWI462291B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100861213B1 (ko) * 2007-04-17 2008-09-30 동부일렉트로닉스 주식회사 반도체 소자 및 그 제조방법
CN103262248B (zh) * 2010-12-10 2016-07-13 三菱电机株式会社 半导体装置及其制造方法
US8679919B2 (en) 2011-12-15 2014-03-25 Semiconductor Components Industries, Llc Electronic device comprising a conductive structure and an insulating layer within a trench and a process of forming the same
US8647970B2 (en) * 2011-12-15 2014-02-11 Semiconductor Components Industries, Llc Electronic device comprising conductive structures and an insulating layer between the conductive structures and within a trench
US8878287B1 (en) * 2012-04-12 2014-11-04 Micrel, Inc. Split slot FET with embedded drain
US10326013B2 (en) 2016-11-23 2019-06-18 Microchip Technology Incorporated Method of forming a field-effect transistor (FET) or other semiconductor device with front-side source and drain contacts
US20180145171A1 (en) * 2016-11-23 2018-05-24 Microchip Technology Incorporated Field Effect Transistor (FET) or Other Semiconductor Device with Front-Side Source and Drain Contacts

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0783118B2 (ja) 1988-06-08 1995-09-06 三菱電機株式会社 半導体装置およびその製造方法
JP3395473B2 (ja) 1994-10-25 2003-04-14 富士電機株式会社 横型トレンチｍｉｓｆｅｔおよびその製造方法
KR0165398B1 (ko) * 1995-05-26 1998-12-15 윤종용 버티칼 트랜지스터의 제조방법
JP3252804B2 (ja) * 1998-07-31 2002-02-04 日本電気株式会社 固体撮像素子の駆動方法
JP3908908B2 (ja) * 1999-01-22 2007-04-25 株式会社ルネサステクノロジ 半導体集積回路装置
US7470960B1 (en) * 1999-10-27 2008-12-30 Kansai Electric Power Company, Inc High-voltage power semiconductor device with body regions of alternating conductivity and decreasing thickness
JP2002141505A (ja) * 2000-10-31 2002-05-17 Shindengen Electric Mfg Co Ltd 電界効果トランジスタ
DE10223822A1 (de) 2001-05-30 2002-12-05 Fuji Electric Co Ltd Halbleiterbauteil und Verfahren zu seiner Herstellung
JP4461676B2 (ja) * 2001-12-18 2010-05-12 富士電機システムズ株式会社 半導体装置の製造方法
JP4487481B2 (ja) * 2002-01-16 2010-06-23 富士電機システムズ株式会社 半導体装置およびその製造方法
US7372088B2 (en) * 2004-01-27 2008-05-13 Matsushita Electric Industrial Co., Ltd. Vertical gate semiconductor device and method for fabricating the same
CN101567373B (zh) * 2004-02-16 2011-04-13 富士电机系统株式会社 双方向元件及其制造方法
JP4765016B2 (ja) * 2004-04-06 2011-09-07 富士電機株式会社 半導体装置の製造方法
JP4997694B2 (ja) * 2004-10-07 2012-08-08 富士電機株式会社 半導体装置およびその製造方法
US20070032029A1 (en) * 2005-04-19 2007-02-08 Rensselaer Polytechnic Institute Lateral trench power MOSFET with reduced gate-to-drain capacitance
JP2008177335A (ja) * 2007-01-18 2008-07-31 Fuji Electric Device Technology Co Ltd 炭化珪素絶縁ゲート型半導体装置。

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Fujishima etc.A trench lateral power MOSFET using self-aligned trench bottom contact holes.《IEDM 97》.1997,359-362. *

Also Published As

Publication number Publication date
EP2096677A3 (en) 2009-10-14
US20090212357A1 (en) 2009-08-27
CN101552292A (zh) 2009-10-07
TWI462291B (zh) 2014-11-21
US20110065247A1 (en) 2011-03-17
US7859049B2 (en) 2010-12-28
US8193060B2 (en) 2012-06-05
EP2096677A2 (en) 2009-09-02
KR20090092718A (ko) 2009-09-01
TW200945587A (en) 2009-11-01
JP2009206268A (ja) 2009-09-10

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Effective date of registration: 20160315

Address after: Chiba County, Japan

Patentee after: SEIKO INSTR INC

Address before: Chiba, Chiba, Japan

Patentee before: Seiko Instruments Inc.

CP01 Change in the name or title of a patent holder

Address after: Chiba County, Japan

Patentee after: EPPs Lingke Co. Ltd.

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Patentee before: SEIKO INSTR INC

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130327

Termination date: 20210227

CF01 Termination of patent right due to non-payment of annual fee