CN1677692A - 超级结半导体元件及其制造方法 - Google Patents
超级结半导体元件及其制造方法 Download PDFInfo
- Publication number
- CN1677692A CN1677692A CNA2005100624561A CN200510062456A CN1677692A CN 1677692 A CN1677692 A CN 1677692A CN A2005100624561 A CNA2005100624561 A CN A2005100624561A CN 200510062456 A CN200510062456 A CN 200510062456A CN 1677692 A CN1677692 A CN 1677692A
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- Prior art keywords
- dielectric film
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- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 243
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 239000000758 substrate Substances 0.000 claims abstract description 46
- 239000003550 marker Substances 0.000 claims description 67
- 238000000034 method Methods 0.000 claims description 24
- 238000005516 engineering process Methods 0.000 claims description 22
- 238000005468 ion implantation Methods 0.000 claims description 11
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000005684 electric field Effects 0.000 description 27
- 150000002500 ions Chemical class 0.000 description 15
- 230000004048 modification Effects 0.000 description 11
- 238000012986 modification Methods 0.000 description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 10
- 229920005591 polysilicon Polymers 0.000 description 8
- 239000012141 concentrate Substances 0.000 description 6
- 238000001259 photo etching Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000000137 annealing Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- -1 boron ion Chemical class 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 241000293849 Cordylanthus Species 0.000 description 1
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 210000003323 beak Anatomy 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
Images
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
- H01L29/02—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
- H01L29/0603—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
- H01L29/063—Reduced surface field [RESURF] pn-junction structures
- H01L29/0634—Multiple reduced surface field (multi-RESURF) structures, e.g. double RESURF, charge compensation, cool, superjunction (SJ), 3D-RESURF, composite buffer (CB) structures
-
- 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
- H01L29/402—Field plates
-
- 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
- H01L29/7811—Vertical DMOS transistors, i.e. VDMOS transistors with an edge termination structure
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004096388A JP4865194B2 (ja) | 2004-03-29 | 2004-03-29 | 超接合半導体素子 |
JP2004096388 | 2004-03-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1677692A true CN1677692A (zh) | 2005-10-05 |
CN100477263C CN100477263C (zh) | 2009-04-08 |
Family
ID=34988766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100624561A Expired - Fee Related CN100477263C (zh) | 2004-03-29 | 2005-03-28 | 超级结半导体元件及其制造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7825466B2 (zh) |
JP (1) | JP4865194B2 (zh) |
CN (1) | CN100477263C (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4907862B2 (ja) * | 2004-12-10 | 2012-04-04 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
JP4860929B2 (ja) * | 2005-01-11 | 2012-01-25 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
JP5015488B2 (ja) * | 2005-09-07 | 2012-08-29 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP4980663B2 (ja) * | 2006-07-03 | 2012-07-18 | ルネサスエレクトロニクス株式会社 | 半導体装置および製造方法 |
US20080116512A1 (en) * | 2006-11-21 | 2008-05-22 | Kabushiki Kaisha Toshiba | Semiconductor device and method of making the same |
JP5915076B2 (ja) | 2011-10-21 | 2016-05-11 | 富士電機株式会社 | 超接合半導体装置 |
US10361266B2 (en) | 2014-06-09 | 2019-07-23 | Panasonic Intellectual Property Management Co., Ltd. | Semiconductor device |
JP6758592B2 (ja) * | 2015-09-18 | 2020-09-23 | サンケン電気株式会社 | 半導体装置 |
JP2017228794A (ja) * | 2017-09-05 | 2017-12-28 | ルネサスエレクトロニクス株式会社 | パワーmosfet |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3170966B2 (ja) * | 1993-08-25 | 2001-05-28 | 富士電機株式会社 | 絶縁ゲート制御半導体装置とその製造方法 |
JP3951522B2 (ja) * | 1998-11-11 | 2007-08-01 | 富士電機デバイステクノロジー株式会社 | 超接合半導体素子 |
EP1011146B1 (en) * | 1998-12-09 | 2006-03-08 | STMicroelectronics S.r.l. | Method of manufacturing an integrated edge structure for high voltage semiconductor devices |
JP3221489B2 (ja) * | 1999-03-26 | 2001-10-22 | サンケン電気株式会社 | 絶縁ゲート型電界効果トランジスタ |
JP4774580B2 (ja) | 1999-08-23 | 2011-09-14 | 富士電機株式会社 | 超接合半導体素子 |
WO2002067333A1 (en) * | 2001-02-21 | 2002-08-29 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor device and method of manufacturing the same |
EP1267415A3 (en) | 2001-06-11 | 2009-04-15 | Kabushiki Kaisha Toshiba | Power semiconductor device having resurf layer |
JP3908572B2 (ja) | 2002-03-18 | 2007-04-25 | 株式会社東芝 | 半導体素子 |
JP4385206B2 (ja) * | 2003-01-07 | 2009-12-16 | 日本電気株式会社 | 電界効果トランジスタ |
JP3721172B2 (ja) * | 2003-04-16 | 2005-11-30 | 株式会社東芝 | 半導体装置 |
-
2004
- 2004-03-29 JP JP2004096388A patent/JP4865194B2/ja not_active Expired - Lifetime
-
2005
- 2005-03-22 US US11/085,155 patent/US7825466B2/en active Active
- 2005-03-28 CN CNB2005100624561A patent/CN100477263C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP4865194B2 (ja) | 2012-02-01 |
US7825466B2 (en) | 2010-11-02 |
CN100477263C (zh) | 2009-04-08 |
JP2005286023A (ja) | 2005-10-13 |
US20050212053A1 (en) | 2005-09-29 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: RENESAS ELECTRONICS CO., LTD. Free format text: FORMER OWNER: NEC CORP. Effective date: 20101119 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20101119 Address after: Kanagawa, Japan Patentee after: Renesas Electronics Corporation Address before: Kanagawa, Japan Patentee before: NEC Corp. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20140328 |