AU2001291097A1 - Trench dmos transistor having lightly doped source structure - Google Patents
Trench dmos transistor having lightly doped source structureInfo
- Publication number
- AU2001291097A1 AU2001291097A1 AU2001291097A AU9109701A AU2001291097A1 AU 2001291097 A1 AU2001291097 A1 AU 2001291097A1 AU 2001291097 A AU2001291097 A AU 2001291097A AU 9109701 A AU9109701 A AU 9109701A AU 2001291097 A1 AU2001291097 A1 AU 2001291097A1
- Authority
- AU
- Australia
- Prior art keywords
- lightly doped
- doped source
- source structure
- dmos transistor
- trench dmos
- 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.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7813—Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/08—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0843—Source or drain regions of field-effect devices
- H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/08—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0843—Source or drain regions of field-effect devices
- H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
- H01L29/0852—Source or drain regions of field-effect devices of field-effect transistors with insulated gate of DMOS transistors
- H01L29/0856—Source regions
- H01L29/086—Impurity concentration or distribution
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42372—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/4916—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/672,209 US6445037B1 (en) | 2000-09-28 | 2000-09-28 | Trench DMOS transistor having lightly doped source structure |
US09672209 | 2000-09-28 | ||
PCT/US2001/029230 WO2002027800A2 (en) | 2000-09-28 | 2001-09-19 | Trench dmos transistor having lightly doped source structure |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001291097A1 true AU2001291097A1 (en) | 2002-04-08 |
Family
ID=24697599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001291097A Abandoned AU2001291097A1 (en) | 2000-09-28 | 2001-09-19 | Trench dmos transistor having lightly doped source structure |
Country Status (9)
Country | Link |
---|---|
US (1) | US6445037B1 (en) |
EP (1) | EP1320895B1 (en) |
JP (1) | JP4094945B2 (en) |
KR (1) | KR100642803B1 (en) |
CN (1) | CN1552101B (en) |
AU (1) | AU2001291097A1 (en) |
DE (1) | DE60127696T2 (en) |
TW (1) | TW506021B (en) |
WO (1) | WO2002027800A2 (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1261036A3 (en) * | 2001-05-25 | 2004-07-28 | Kabushiki Kaisha Toshiba | Power MOSFET semiconductor device and method of manufacturing the same |
DE10129958B4 (en) * | 2001-06-21 | 2006-07-13 | Infineon Technologies Ag | Memory cell arrangement and manufacturing method |
US6958275B2 (en) * | 2003-03-11 | 2005-10-25 | Integrated Discrete Devices, Llc | MOSFET power transistors and methods |
EP1708276A4 (en) * | 2003-12-22 | 2008-04-16 | Matsushita Electric Ind Co Ltd | Vertical gate semiconductor device and process for fabricating the same |
US7372088B2 (en) | 2004-01-27 | 2008-05-13 | Matsushita Electric Industrial Co., Ltd. | Vertical gate semiconductor device and method for fabricating the same |
JP4091921B2 (en) | 2004-02-16 | 2008-05-28 | 松下電器産業株式会社 | Semiconductor device and manufacturing method thereof |
JP4955222B2 (en) | 2005-05-20 | 2012-06-20 | ルネサスエレクトロニクス株式会社 | Manufacturing method of semiconductor device |
US7282406B2 (en) * | 2006-03-06 | 2007-10-16 | Semiconductor Companents Industries, L.L.C. | Method of forming an MOS transistor and structure therefor |
WO2007127607A1 (en) * | 2006-04-25 | 2007-11-08 | Koninklijke Philips Electronics, N.V. | Implementation of avalanche photo diodes in (bi) cmos processes |
JP2008042166A (en) * | 2006-07-12 | 2008-02-21 | Matsushita Electric Ind Co Ltd | Vertical gate semiconductor device and method for manufacturing the same |
JP5128100B2 (en) * | 2006-09-29 | 2013-01-23 | 三菱電機株式会社 | Power semiconductor device |
JP5369464B2 (en) * | 2008-03-24 | 2013-12-18 | 富士電機株式会社 | Silicon carbide MOS type semiconductor device |
JP4877286B2 (en) * | 2008-07-08 | 2012-02-15 | 株式会社デンソー | Silicon carbide semiconductor device and manufacturing method thereof |
JP5732790B2 (en) * | 2010-09-14 | 2015-06-10 | 株式会社デンソー | Silicon carbide semiconductor device and manufacturing method thereof |
CN102623316A (en) * | 2011-01-27 | 2012-08-01 | 无锡华润上华半导体有限公司 | Methods for preparing groove bottom auxiliary gate dielectric layer and groove DMOS pipe |
KR20150076840A (en) * | 2013-12-27 | 2015-07-07 | 현대자동차주식회사 | Semiconductor device and method manufacturing the same |
KR20150078449A (en) * | 2013-12-30 | 2015-07-08 | 현대자동차주식회사 | Semiconductor device and method manufacturing the same |
US9419116B2 (en) | 2014-01-22 | 2016-08-16 | Alexei Ankoudinov | Diodes and methods of manufacturing diodes |
US9252293B2 (en) | 2014-01-22 | 2016-02-02 | Alexei Ankoudinov | Trench field effect diodes and methods of manufacturing those diodes |
KR101655153B1 (en) * | 2014-12-12 | 2016-09-22 | 현대자동차 주식회사 | Semiconductor device and method manufacturing the same |
CN115117054A (en) * | 2016-01-20 | 2022-09-27 | 罗姆股份有限公司 | Semiconductor device with a plurality of semiconductor chips |
JP6740986B2 (en) * | 2017-08-31 | 2020-08-19 | 株式会社デンソー | Silicon carbide semiconductor device and manufacturing method thereof |
CN115377221A (en) * | 2022-09-14 | 2022-11-22 | 华羿微电子股份有限公司 | MOSFET device with strong impact resistance and preparation method thereof |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5072266A (en) | 1988-12-27 | 1991-12-10 | Siliconix Incorporated | Trench DMOS power transistor with field-shaping body profile and three-dimensional geometry |
JPH03195064A (en) * | 1989-12-25 | 1991-08-26 | Nippon Telegr & Teleph Corp <Ntt> | Mos field effect transistor |
US5023196A (en) * | 1990-01-29 | 1991-06-11 | Motorola Inc. | Method for forming a MOSFET with substrate source contact |
US5134448A (en) | 1990-01-29 | 1992-07-28 | Motorola, Inc. | MOSFET with substrate source contact |
US5410170A (en) | 1993-04-14 | 1995-04-25 | Siliconix Incorporated | DMOS power transistors with reduced number of contacts using integrated body-source connections |
GB9313843D0 (en) * | 1993-07-05 | 1993-08-18 | Philips Electronics Uk Ltd | A semiconductor device comprising an insulated gate field effect transistor |
JPH07122749A (en) | 1993-09-01 | 1995-05-12 | Toshiba Corp | Semiconductor device and its manufacture |
JP3400846B2 (en) | 1994-01-20 | 2003-04-28 | 三菱電機株式会社 | Semiconductor device having trench structure and method of manufacturing the same |
EP0726603B1 (en) | 1995-02-10 | 1999-04-21 | SILICONIX Incorporated | Trenched field effect transistor with PN depletion barrier |
US5672889A (en) * | 1995-03-15 | 1997-09-30 | General Electric Company | Vertical channel silicon carbide metal-oxide-semiconductor field effect transistor with self-aligned gate for microwave and power applications, and method of making |
JP3528420B2 (en) | 1996-04-26 | 2004-05-17 | 株式会社デンソー | Semiconductor device and manufacturing method thereof |
DE19638439C2 (en) * | 1996-09-19 | 2000-06-15 | Siemens Ag | Vertical semiconductor device controllable by field effect and manufacturing process |
JP3164030B2 (en) * | 1997-09-19 | 2001-05-08 | 日本電気株式会社 | Manufacturing method of vertical field effect transistor |
JP3281847B2 (en) * | 1997-09-26 | 2002-05-13 | 三洋電機株式会社 | Method for manufacturing semiconductor device |
US6262453B1 (en) * | 1998-04-24 | 2001-07-17 | Magepower Semiconductor Corp. | Double gate-oxide for reducing gate-drain capacitance in trenched DMOS with high-dopant concentration buried-region under trenched gate |
US5972754A (en) * | 1998-06-10 | 1999-10-26 | Mosel Vitelic, Inc. | Method for fabricating MOSFET having increased effective gate length |
US6351009B1 (en) * | 1999-03-01 | 2002-02-26 | Fairchild Semiconductor Corporation | MOS-gated device having a buried gate and process for forming same |
GB9916868D0 (en) * | 1999-07-20 | 1999-09-22 | Koninkl Philips Electronics Nv | Trench-gate field-effect transistors and their manufacture |
JP2001332725A (en) * | 2000-03-15 | 2001-11-30 | Seiko Instruments Inc | Semiconductor device and its manufacturing method |
JP3910335B2 (en) * | 2000-03-22 | 2007-04-25 | セイコーインスツル株式会社 | Vertical MOS transistor and manufacturing method thereof |
-
2000
- 2000-09-28 US US09/672,209 patent/US6445037B1/en not_active Expired - Lifetime
-
2001
- 2001-09-19 DE DE60127696T patent/DE60127696T2/en not_active Expired - Lifetime
- 2001-09-19 CN CN018163858A patent/CN1552101B/en not_active Expired - Fee Related
- 2001-09-19 EP EP01971182A patent/EP1320895B1/en not_active Expired - Lifetime
- 2001-09-19 KR KR1020037004372A patent/KR100642803B1/en not_active IP Right Cessation
- 2001-09-19 JP JP2002531496A patent/JP4094945B2/en not_active Expired - Fee Related
- 2001-09-19 WO PCT/US2001/029230 patent/WO2002027800A2/en active IP Right Grant
- 2001-09-19 AU AU2001291097A patent/AU2001291097A1/en not_active Abandoned
- 2001-09-28 TW TW090124191A patent/TW506021B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2002027800A3 (en) | 2002-06-13 |
CN1552101A (en) | 2004-12-01 |
EP1320895A2 (en) | 2003-06-25 |
KR20030033083A (en) | 2003-04-26 |
DE60127696D1 (en) | 2007-05-16 |
EP1320895B1 (en) | 2007-04-04 |
KR100642803B1 (en) | 2006-11-03 |
TW506021B (en) | 2002-10-11 |
US6445037B1 (en) | 2002-09-03 |
CN1552101B (en) | 2010-06-16 |
DE60127696T2 (en) | 2007-12-27 |
WO2002027800A2 (en) | 2002-04-04 |
JP4094945B2 (en) | 2008-06-04 |
JP2004525500A (en) | 2004-08-19 |
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