ATE474328T1 - Halbleiterbauelemente mit gräben und deren herstellungsverfahren - Google Patents
Halbleiterbauelemente mit gräben und deren herstellungsverfahrenInfo
- Publication number
- ATE474328T1 ATE474328T1 AT02783434T AT02783434T ATE474328T1 AT E474328 T1 ATE474328 T1 AT E474328T1 AT 02783434 T AT02783434 T AT 02783434T AT 02783434 T AT02783434 T AT 02783434T AT E474328 T1 ATE474328 T1 AT E474328T1
- Authority
- AT
- Austria
- Prior art keywords
- trench
- trenches
- production process
- semiconductor components
- electrode
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000005669 field effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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 specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66674—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/66712—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/66734—Vertical DMOS transistors, i.e. VDMOS transistors with a step of recessing the gate electrode, e.g. to form a trench gate electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/861—Diodes
- H01L29/872—Schottky diodes
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28211—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation in a gaseous ambient using an oxygen or a water vapour, e.g. RTO, possibly through a layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/42364—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity
- H01L29/42368—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity the thickness being non-uniform
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/4238—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 characterised by the surface lay-out
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/51—Insulating materials associated therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/51—Insulating materials associated therewith
- H01L29/511—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Electrodes Of Semiconductors (AREA)
- Bipolar Transistors (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0129450.3A GB0129450D0 (en) | 2001-12-08 | 2001-12-08 | Trenched semiconductor devices and their manufacture |
PCT/IB2002/004962 WO2003050879A1 (en) | 2001-12-08 | 2002-11-21 | Trenched semiconductor devices and their manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE474328T1 true ATE474328T1 (de) | 2010-07-15 |
Family
ID=9927283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02783434T ATE474328T1 (de) | 2001-12-08 | 2002-11-21 | Halbleiterbauelemente mit gräben und deren herstellungsverfahren |
Country Status (10)
Country | Link |
---|---|
US (2) | US6956264B2 (de) |
EP (1) | EP1459386B1 (de) |
JP (2) | JP4804715B2 (de) |
KR (1) | KR20040068203A (de) |
CN (1) | CN1333466C (de) |
AT (1) | ATE474328T1 (de) |
AU (1) | AU2002347500A1 (de) |
DE (1) | DE60237034D1 (de) |
GB (1) | GB0129450D0 (de) |
WO (1) | WO2003050879A1 (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001090417A2 (en) * | 2000-05-19 | 2001-11-29 | Eragen Biosciences, Inc. | Materials and methods for detection of nucleic acids |
JP4068597B2 (ja) * | 2004-07-08 | 2008-03-26 | 株式会社東芝 | 半導体装置 |
JP2006066611A (ja) * | 2004-08-26 | 2006-03-09 | Toshiba Corp | 半導体装置 |
DE102005008354B4 (de) * | 2005-02-23 | 2007-12-27 | Infineon Technologies Austria Ag | Halbleiterbauteil sowie Verfahren zu dessen Herstellung |
JP2007035841A (ja) * | 2005-07-26 | 2007-02-08 | Toshiba Corp | 半導体装置 |
US7633119B2 (en) * | 2006-02-17 | 2009-12-15 | Alpha & Omega Semiconductor, Ltd | Shielded gate trench (SGT) MOSFET devices and manufacturing processes |
US8159024B2 (en) * | 2007-04-20 | 2012-04-17 | Rensselaer Polytechnic Institute | High voltage (>100V) lateral trench power MOSFET with low specific-on-resistance |
US20100013009A1 (en) * | 2007-12-14 | 2010-01-21 | James Pan | Structure and Method for Forming Trench Gate Transistors with Low Gate Resistance |
US7956411B2 (en) | 2008-01-15 | 2011-06-07 | Fairchild Semiconductor Corporation | High aspect ratio trench structures with void-free fill material |
US7745845B2 (en) * | 2008-04-23 | 2010-06-29 | Fairchild Semiconductor Corporation | Integrated low leakage schottky diode |
US7919388B2 (en) * | 2008-05-30 | 2011-04-05 | Freescale Semiconductor, Inc. | Methods for fabricating semiconductor devices having reduced gate-drain capacitance |
US7838389B2 (en) * | 2008-05-30 | 2010-11-23 | Freescale Semiconductor, Inc. | Enclosed void cavity for low dielectric constant insulator |
US20090309181A1 (en) * | 2008-06-12 | 2009-12-17 | Force Mos Technology Co. Ltd. | Trench schottky with multiple epi structure |
US8664713B2 (en) | 2008-12-31 | 2014-03-04 | Stmicroelectronics S.R.L. | Integrated power device on a semiconductor substrate having an improved trench gate structure |
US20110062489A1 (en) * | 2009-09-11 | 2011-03-17 | Disney Donald R | Power device with self-aligned silicide contact |
JP2011055017A (ja) * | 2010-12-17 | 2011-03-17 | Toshiba Corp | 半導体装置 |
JP5059989B1 (ja) * | 2011-06-28 | 2012-10-31 | パナソニック株式会社 | 半導体装置とその製造方法 |
WO2013001677A1 (ja) * | 2011-06-28 | 2013-01-03 | パナソニック株式会社 | 半導体装置とその製造方法 |
US8907408B2 (en) | 2012-03-26 | 2014-12-09 | Infineon Technologies Austria Ag | Stress-reduced field-effect semiconductor device and method for forming therefor |
JP6112700B2 (ja) * | 2012-08-17 | 2017-04-12 | ローム株式会社 | 半導体装置 |
US20140101776A1 (en) * | 2012-10-10 | 2014-04-10 | Red.Com, Inc. | Digital Asset Distribution Media |
KR101847630B1 (ko) | 2013-04-01 | 2018-05-24 | 삼성전자주식회사 | 반도체 소자 및 반도체 모듈 |
CN104409358A (zh) * | 2014-12-02 | 2015-03-11 | 张家港凯思半导体有限公司 | 一种沟槽型半导体器件中的沟槽的制造方法 |
JP6301882B2 (ja) * | 2015-08-21 | 2018-03-28 | トヨタ自動車株式会社 | 半導体装置の製造方法と半導体装置 |
JP6426642B2 (ja) * | 2016-03-08 | 2018-11-21 | 株式会社東芝 | 半導体装置 |
US9911804B1 (en) * | 2016-08-22 | 2018-03-06 | International Business Machines Corporation | Vertical fin field effect transistor with air gap spacers |
FR3055742B1 (fr) * | 2016-09-06 | 2019-12-20 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Guide d'ondes millimetriques |
JP7106476B2 (ja) * | 2019-03-19 | 2022-07-26 | 株式会社東芝 | 半導体装置およびその製造方法 |
JP7249269B2 (ja) * | 2019-12-27 | 2023-03-30 | 株式会社東芝 | 半導体装置およびその製造方法 |
CN111785627B (zh) * | 2020-06-28 | 2023-03-14 | 上海华虹宏力半导体制造有限公司 | 具有沟槽栅的igbt器件的制造方法 |
JP7337756B2 (ja) | 2020-07-30 | 2023-09-04 | 株式会社東芝 | 半導体装置 |
JP7474214B2 (ja) | 2021-03-17 | 2024-04-24 | 株式会社東芝 | 半導体装置 |
TWI809577B (zh) * | 2021-11-26 | 2023-07-21 | 帥群微電子股份有限公司 | 溝槽式功率半導體元件及其製造方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5254369A (en) * | 1975-10-29 | 1977-05-02 | Mitsubishi Electric Corp | Schottky barrier semiconductor device |
JPS625643A (ja) * | 1985-07-01 | 1987-01-12 | Nec Corp | 半導体集積回路 |
US5250450A (en) * | 1991-04-08 | 1993-10-05 | Micron Technology, Inc. | Insulated-gate vertical field-effect transistor with high current drive and minimum overlap capacitance |
US5637898A (en) * | 1995-12-22 | 1997-06-10 | North Carolina State University | Vertical field effect transistors having improved breakdown voltage capability and low on-state resistance |
US5612567A (en) * | 1996-05-13 | 1997-03-18 | North Carolina State University | Schottky barrier rectifiers and methods of forming same |
JP3085231B2 (ja) * | 1997-02-20 | 2000-09-04 | 日本電気株式会社 | 半導体装置の製造方法 |
JP2882395B2 (ja) * | 1997-03-24 | 1999-04-12 | 日本電気株式会社 | 半導体集積回路装置及びその製造方法 |
US6495900B1 (en) * | 1997-11-12 | 2002-12-17 | Micron Technology, Inc. | Insulator for electrical structure |
US6130151A (en) * | 1999-05-07 | 2000-10-10 | Taiwan Semiconductor Manufacturing Company | Method of manufacturing air gap in multilevel interconnection |
US6291298B1 (en) * | 1999-05-25 | 2001-09-18 | Advanced Analogic Technologies, Inc. | Process of manufacturing Trench gate semiconductor device having gate oxide layer with multiple thicknesses |
GB9917099D0 (en) * | 1999-07-22 | 1999-09-22 | Koninkl Philips Electronics Nv | Cellular trench-gate field-effect transistors |
GB0002235D0 (en) * | 2000-02-02 | 2000-03-22 | Koninkl Philips Electronics Nv | Trenched schottky rectifiers |
DE10004984A1 (de) * | 2000-02-04 | 2001-08-16 | Infineon Technologies Ag | Vertikales Halbleiterbauelement mit Source-Down-Design und entsprechendes Herstellungsverfahren |
US6413827B2 (en) * | 2000-02-14 | 2002-07-02 | Paul A. Farrar | Low dielectric constant shallow trench isolation |
DE10014660C2 (de) * | 2000-03-24 | 2002-08-29 | Infineon Technologies Ag | Halbleiteranordnung mit einer durch einen Hohlraum von einer Driftstrecke getrennten Trenchelektrode |
JP2001274397A (ja) * | 2000-03-27 | 2001-10-05 | Sanyo Electric Co Ltd | 絶縁ゲート型半導体装置およびその製造方法 |
TW508758B (en) * | 2001-07-23 | 2002-11-01 | Promos Technologies Inc | Manufacturing method of deep trench capacitor |
-
2001
- 2001-12-08 GB GBGB0129450.3A patent/GB0129450D0/en not_active Ceased
-
2002
- 2002-11-21 DE DE60237034T patent/DE60237034D1/de not_active Expired - Lifetime
- 2002-11-21 AT AT02783434T patent/ATE474328T1/de not_active IP Right Cessation
- 2002-11-21 AU AU2002347500A patent/AU2002347500A1/en not_active Abandoned
- 2002-11-21 CN CNB028244311A patent/CN1333466C/zh not_active Expired - Fee Related
- 2002-11-21 EP EP02783434A patent/EP1459386B1/de not_active Expired - Lifetime
- 2002-11-21 KR KR10-2004-7008772A patent/KR20040068203A/ko not_active Application Discontinuation
- 2002-11-21 JP JP2003551840A patent/JP4804715B2/ja not_active Expired - Fee Related
- 2002-11-21 WO PCT/IB2002/004962 patent/WO2003050879A1/en active Application Filing
- 2002-12-03 US US10/308,656 patent/US6956264B2/en not_active Expired - Fee Related
-
2005
- 2005-09-02 US US11/220,297 patent/US7033889B2/en not_active Expired - Fee Related
-
2011
- 2011-04-19 JP JP2011093385A patent/JP2011187970A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2011187970A (ja) | 2011-09-22 |
EP1459386B1 (de) | 2010-07-14 |
JP4804715B2 (ja) | 2011-11-02 |
JP2005512342A (ja) | 2005-04-28 |
US7033889B2 (en) | 2006-04-25 |
CN1599959A (zh) | 2005-03-23 |
EP1459386A1 (de) | 2004-09-22 |
AU2002347500A1 (en) | 2003-06-23 |
US20060008991A1 (en) | 2006-01-12 |
US20030146470A1 (en) | 2003-08-07 |
WO2003050879A1 (en) | 2003-06-19 |
US6956264B2 (en) | 2005-10-18 |
DE60237034D1 (de) | 2010-08-26 |
GB0129450D0 (en) | 2002-01-30 |
CN1333466C (zh) | 2007-08-22 |
KR20040068203A (ko) | 2004-07-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |