CN1227745C - 垂直金属-氧化物-半导体晶体管及其制造方法 - Google Patents
垂直金属-氧化物-半导体晶体管及其制造方法 Download PDFInfo
- Publication number
- CN1227745C CN1227745C CNB011116900A CN01111690A CN1227745C CN 1227745 C CN1227745 C CN 1227745C CN B011116900 A CNB011116900 A CN B011116900A CN 01111690 A CN01111690 A CN 01111690A CN 1227745 C CN1227745 C CN 1227745C
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- epitaxial growth
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- trench
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims description 26
- 239000000758 substrate Substances 0.000 claims abstract description 70
- 238000004519 manufacturing process Methods 0.000 claims abstract description 38
- 210000000746 body region Anatomy 0.000 claims description 62
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 45
- 229920005591 polysilicon Polymers 0.000 claims description 45
- 238000000151 deposition Methods 0.000 claims description 28
- 238000009792 diffusion process Methods 0.000 claims description 20
- 238000005530 etching Methods 0.000 claims description 18
- 230000008021 deposition Effects 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 216
- 230000015572 biosynthetic process Effects 0.000 description 23
- 238000010586 diagram Methods 0.000 description 21
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- 239000011229 interlayer Substances 0.000 description 7
- 238000003199 nucleic acid amplification method Methods 0.000 description 7
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- 239000002184 metal Substances 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000206 photolithography Methods 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 101100207343 Antirrhinum majus 1e20 gene Proteins 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Images
Classifications
-
- 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
- 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
- H10D30/664—Inverted VDMOS transistors, i.e. source-down VDMOS transistors
-
- 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
- H10D62/393—Body regions of DMOS transistors or IGBTs
-
- 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
- H10D64/514—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
- H10D64/516—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers the thicknesses being non-uniform
-
- 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
- H10D64/519—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers characterised by their top-view geometrical layouts
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP80755/00 | 2000-03-22 | ||
JP2000080755A JP3910335B2 (ja) | 2000-03-22 | 2000-03-22 | 縦形mosトランジスタ及びその製造方法 |
JP80755/2000 | 2000-03-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1314713A CN1314713A (zh) | 2001-09-26 |
CN1227745C true CN1227745C (zh) | 2005-11-16 |
Family
ID=18597815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011116900A Expired - Fee Related CN1227745C (zh) | 2000-03-22 | 2001-03-22 | 垂直金属-氧化物-半导体晶体管及其制造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6511885B2 (zh) |
JP (1) | JP3910335B2 (zh) |
CN (1) | CN1227745C (zh) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7084456B2 (en) * | 1999-05-25 | 2006-08-01 | Advanced Analogic Technologies, Inc. | Trench MOSFET with recessed clamping diode using graded doping |
US6445037B1 (en) * | 2000-09-28 | 2002-09-03 | General Semiconductor, Inc. | Trench DMOS transistor having lightly doped source structure |
US6716709B1 (en) * | 2002-12-31 | 2004-04-06 | Texas Instruments Incorporated | Transistors formed with grid or island implantation masks to form reduced diffusion-depth regions without additional masks and process steps |
US7279743B2 (en) | 2003-12-02 | 2007-10-09 | Vishay-Siliconix | Closed cell trench metal-oxide-semiconductor field effect transistor |
US8183629B2 (en) * | 2004-05-13 | 2012-05-22 | Vishay-Siliconix | Stacked trench metal-oxide-semiconductor field effect transistor device |
US6906380B1 (en) | 2004-05-13 | 2005-06-14 | Vishay-Siliconix | Drain side gate trench metal-oxide-semiconductor field effect transistor |
CN100517719C (zh) * | 2004-06-30 | 2009-07-22 | 先进模拟科技公司 | 有凹进箝位二极管的沟槽金属氧化物半导体场效应晶体管 |
DE112005003584B4 (de) * | 2005-05-24 | 2011-06-16 | Vishay-Siliconix, Santa Clara | Verfahren zum Herstellen eines Trench-Metalloxid-Halbleiter-Feldeffekttransistors |
US8471390B2 (en) * | 2006-05-12 | 2013-06-25 | Vishay-Siliconix | Power MOSFET contact metallization |
KR100868542B1 (ko) * | 2006-12-29 | 2008-11-13 | 어드밴스드 아날로직 테크놀로지스 인코퍼레이티드 | 리세스된 클램핑 다이오드를 구비한 트렌치 mosfet |
US8368126B2 (en) * | 2007-04-19 | 2013-02-05 | Vishay-Siliconix | Trench metal oxide semiconductor with recessed trench material and remote contacts |
US7960782B2 (en) * | 2007-12-26 | 2011-06-14 | Rohm Co., Ltd. | Nitride semiconductor device and method for producing nitride semiconductor device |
US20090267140A1 (en) * | 2008-04-29 | 2009-10-29 | Fu-Yuan Hsieh | Mosfet structure with guard ring |
US8164139B2 (en) * | 2008-04-29 | 2012-04-24 | Force Mos Technology Co., Ltd. | MOSFET structure with guard ring |
CN101567320B (zh) * | 2009-06-04 | 2012-06-20 | 上海宏力半导体制造有限公司 | 功率mos晶体管的制造方法 |
US10205017B2 (en) * | 2009-06-17 | 2019-02-12 | Alpha And Omega Semiconductor Incorporated | Bottom source NMOS triggered Zener clamp for configuring an ultra-low voltage transient voltage suppressor (TVS) |
JP5597963B2 (ja) * | 2009-10-09 | 2014-10-01 | 富士電機株式会社 | 半導体装置 |
US9306056B2 (en) | 2009-10-30 | 2016-04-05 | Vishay-Siliconix | Semiconductor device with trench-like feed-throughs |
US8604525B2 (en) | 2009-11-02 | 2013-12-10 | Vishay-Siliconix | Transistor structure with feed-through source-to-substrate contact |
KR101095802B1 (ko) * | 2010-01-07 | 2011-12-21 | 주식회사 하이닉스반도체 | 반도체 소자 및 그의 제조 방법 |
JP6022777B2 (ja) * | 2012-02-28 | 2016-11-09 | 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 |
JP2015220408A (ja) * | 2014-05-20 | 2015-12-07 | 住友電気工業株式会社 | 炭化珪素半導体装置およびその製造方法 |
US9425304B2 (en) | 2014-08-21 | 2016-08-23 | Vishay-Siliconix | Transistor structure with improved unclamped inductive switching immunity |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4992390A (en) * | 1989-07-06 | 1991-02-12 | General Electric Company | Trench gate structure with thick bottom oxide |
JPH07122749A (ja) * | 1993-09-01 | 1995-05-12 | Toshiba Corp | 半導体装置及びその製造方法 |
JP3481287B2 (ja) * | 1994-02-24 | 2003-12-22 | 三菱電機株式会社 | 半導体装置の製造方法 |
US6198127B1 (en) * | 1999-05-19 | 2001-03-06 | Intersil Corporation | MOS-gated power device having extended trench and doping zone and process for forming same |
-
2000
- 2000-03-22 JP JP2000080755A patent/JP3910335B2/ja not_active Expired - Fee Related
-
2001
- 2001-01-23 US US09/767,505 patent/US6511885B2/en not_active Expired - Lifetime
- 2001-03-22 CN CNB011116900A patent/CN1227745C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2001267571A (ja) | 2001-09-28 |
US20010023959A1 (en) | 2001-09-27 |
JP3910335B2 (ja) | 2007-04-25 |
CN1314713A (zh) | 2001-09-26 |
US6511885B2 (en) | 2003-01-28 |
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Effective date of registration: 20160311 Address after: Chiba County, Japan Patentee after: SEIKO INSTR INC Address before: Chiba County, Japan Patentee before: Seiko Instruments Inc. |
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CP01 | Change in the name or title of a patent holder | ||
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Address after: Chiba County, Japan Patentee after: EPPs Lingke Co. Ltd. Address before: Chiba County, Japan Patentee before: SEIKO INSTR INC |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051116 Termination date: 20200322 |