JP2010517288A - スーパージャンクションパワー半導体デバイス - Google Patents
スーパージャンクションパワー半導体デバイス Download PDFInfo
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- JP2010517288A JP2010517288A JP2009547212A JP2009547212A JP2010517288A JP 2010517288 A JP2010517288 A JP 2010517288A JP 2009547212 A JP2009547212 A JP 2009547212A JP 2009547212 A JP2009547212 A JP 2009547212A JP 2010517288 A JP2010517288 A JP 2010517288A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- 229920005591 polysilicon Polymers 0.000 claims description 3
- 238000002513 implantation Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 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
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- 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
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
- H01L29/08—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
- H01L29/0873—Drain regions
- H01L29/0878—Impurity concentration or distribution
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- 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
- H01L29/0684—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 the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
- H01L29/0692—Surface layout
- H01L29/0696—Surface layout of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
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- 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
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- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41766—Source or drain electrodes for field effect devices with at least part of the source or drain electrode having contact below the semiconductor surface, e.g. the source or drain electrode formed at least partially in a groove or with inclusions of conductor inside the semiconductor
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- 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
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
【選択図】図1
Description
本出願は、2007年1月24日に出願された米国特許出願第11/657,150号に基づき優先権を主張しており、この米国特許出願は、2006年1月24日に出願され、発明の名称が「スーパージャンクションデバイス」である米国仮出願第60/761,701号に対する優先権を主張しており、参照によりそれらのすべてを本願明細書に援用する。
Claims (8)
- 一方の伝導性を有する半導体基板と、
前記基板の表面にある他方の伝導性を有するエピタキシャル半導体本体と、
前記エピタキシャル半導体本体の中のゲート溝と、
少なくとも前記溝の底部から基板まで伸びているとともに、前記ゲート溝の側壁の一部に沿って伸びている、一方の伝導性を有するドリフト領域であって、前記エピタキシャル半導体本体と電荷が釣り合っている該一方の伝導性を有するドリフト領域と、
前記ゲート溝に隣接するエピタキシャル半導体本体に形成され、前記溝に隣接する反転チャネル領域によって一方の伝導性を有する前記ドリフト領域から距離をあけて配置されている、一方の伝導性を有するソース領域と、
少なくともソース領域とオーム接触するソースコンタクトと、
基板とオーム接触するドレインコンタクトと、
を備えるパワー半導体デバイス。 - 前記一方の導電性を有するドリフト領域は、前記基板にまで伸びている請求項1に記載のパワー半導体デバイス。
- 前記ドリフト領域は、前記基板に隣接する高抵抗率領域と、前記ゲート溝に隣接する低抵抗率領域と、を含む請求項1に記載のパワー半導体デバイス。
- 前記溝の内部に配列された酸化物体と、
前記溝の内部であって前記酸化物体と隣接するゲート電極と更に備え、
前記酸化物体は、、少なくとも前記反転チャネルに隣接するゲート酸化物部分と、ドリフト領域と隣接する厚い部分とを含む請求項1に記載のパワー半導体デバイス。 - 前記エピタキシャル半導体本体に形成され、前記ソースコンタクトとオーム接触をなす前記第2の伝導性を有する高抵抗率領域を更に備える請求項1に記載のパワー半導体本体。
- 前記ゲート電極は、ポリシリコンからなる請求項4に記載のパワー半導体本体。
- 前記ポリシリコンは、N型である請求項6に記載のパワー半導体本体。
- 前記第1の伝導性がN型であり、前記第2の伝導性がP型である請求項1に記載のパワー半導体本体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/657,150 US7492003B2 (en) | 2006-01-24 | 2007-01-24 | Superjunction power semiconductor device |
US11/657,150 | 2007-01-24 | ||
PCT/US2007/009038 WO2008091269A1 (en) | 2007-01-24 | 2007-04-13 | Superjunction power semiconductor device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010517288A true JP2010517288A (ja) | 2010-05-20 |
JP5827785B2 JP5827785B2 (ja) | 2015-12-02 |
Family
ID=39644748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009547212A Active JP5827785B2 (ja) | 2007-01-24 | 2007-04-13 | スーパージャンクションパワー半導体デバイス |
Country Status (7)
Country | Link |
---|---|
US (2) | US7492003B2 (ja) |
EP (1) | EP2108194A4 (ja) |
JP (1) | JP5827785B2 (ja) |
KR (1) | KR101170633B1 (ja) |
CN (1) | CN101641791B (ja) |
TW (1) | TWI340468B (ja) |
WO (1) | WO2008091269A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7166890B2 (en) * | 2003-10-21 | 2007-01-23 | Srikant Sridevan | Superjunction device with improved ruggedness |
US7394158B2 (en) | 2004-10-21 | 2008-07-01 | Siliconix Technology C.V. | Solderable top metal for SiC device |
US7812441B2 (en) | 2004-10-21 | 2010-10-12 | Siliconix Technology C.V. | Schottky diode with improved surge capability |
US9419092B2 (en) * | 2005-03-04 | 2016-08-16 | Vishay-Siliconix | Termination for SiC trench devices |
US7834376B2 (en) * | 2005-03-04 | 2010-11-16 | Siliconix Technology C. V. | Power semiconductor switch |
US8368165B2 (en) * | 2005-10-20 | 2013-02-05 | Siliconix Technology C. V. | Silicon carbide Schottky diode |
US7659588B2 (en) * | 2006-01-26 | 2010-02-09 | Siliconix Technology C. V. | Termination for a superjunction device |
KR101193453B1 (ko) * | 2006-07-31 | 2012-10-24 | 비쉐이-실리코닉스 | 실리콘 카바이드 쇼트키 다이오드를 위한 몰리브덴 장벽 금속 및 제조방법 |
US7663184B1 (en) * | 2008-07-31 | 2010-02-16 | Macronix International Co., Ltd. | Memory and method of fabricating the same |
DE102009055328B4 (de) * | 2009-12-28 | 2014-08-21 | Infineon Technologies Austria Ag | Halbleiterbauelement mit einer Emittersteuerelektrode und IGBT eine solche aufweisend |
US20110198689A1 (en) * | 2010-02-17 | 2011-08-18 | Suku Kim | Semiconductor devices containing trench mosfets with superjunctions |
TWI455315B (zh) * | 2011-01-13 | 2014-10-01 | Anpec Electronics Corp | A ditch - type power transistor with a low gate / drain capacitance |
US9722041B2 (en) | 2012-09-19 | 2017-08-01 | Vishay-Siliconix | Breakdown voltage blocking device |
JP6102140B2 (ja) | 2012-09-20 | 2017-03-29 | 三菱電機株式会社 | 半導体装置 |
KR20180083670A (ko) | 2017-01-13 | 2018-07-23 | 최종웅 | 2개의 수평 이동용 추진기와 1개의 수직 이동용 추진기를 갖는 rov 제어 방법 |
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JPH04355968A (ja) * | 1990-07-30 | 1992-12-09 | Nippondenso Co Ltd | 電力用半導体装置 |
JP2004047967A (ja) * | 2002-05-22 | 2004-02-12 | Denso Corp | 半導体装置及びその製造方法 |
JP2005183789A (ja) * | 2003-12-22 | 2005-07-07 | Toyota Central Res & Dev Lab Inc | 半導体装置とその設計支援用プログラム |
JP2005317905A (ja) * | 2004-03-31 | 2005-11-10 | Denso Corp | 半導体基板の製造方法 |
JP2006511974A (ja) * | 2002-12-19 | 2006-04-06 | シリコニックス インコーポレーテッド | 注入されたドレインドリフト領域および厚い底部酸化物を有するトレンチmis装置およびそれを製造するためのプロセス |
WO2006135746A2 (en) * | 2005-06-10 | 2006-12-21 | Fairchild Semiconductor Corporation | Charge balance field effect transistor |
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CN1019720B (zh) * | 1991-03-19 | 1992-12-30 | 电子科技大学 | 半导体功率器件 |
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-
2007
- 2007-01-24 US US11/657,150 patent/US7492003B2/en active Active
- 2007-04-13 KR KR1020097014557A patent/KR101170633B1/ko active IP Right Grant
- 2007-04-13 WO PCT/US2007/009038 patent/WO2008091269A1/en active Application Filing
- 2007-04-13 JP JP2009547212A patent/JP5827785B2/ja active Active
- 2007-04-13 CN CN2007800499130A patent/CN101641791B/zh active Active
- 2007-04-13 EP EP07755345A patent/EP2108194A4/en not_active Ceased
- 2007-04-19 TW TW096113786A patent/TWI340468B/zh active
-
2009
- 2009-02-17 US US12/372,639 patent/US20090218617A1/en not_active Abandoned
Patent Citations (7)
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JPH04355968A (ja) * | 1990-07-30 | 1992-12-09 | Nippondenso Co Ltd | 電力用半導体装置 |
JP2004047967A (ja) * | 2002-05-22 | 2004-02-12 | Denso Corp | 半導体装置及びその製造方法 |
JP2006511974A (ja) * | 2002-12-19 | 2006-04-06 | シリコニックス インコーポレーテッド | 注入されたドレインドリフト領域および厚い底部酸化物を有するトレンチmis装置およびそれを製造するためのプロセス |
JP2005183789A (ja) * | 2003-12-22 | 2005-07-07 | Toyota Central Res & Dev Lab Inc | 半導体装置とその設計支援用プログラム |
JP2005317905A (ja) * | 2004-03-31 | 2005-11-10 | Denso Corp | 半導体基板の製造方法 |
WO2006135746A2 (en) * | 2005-06-10 | 2006-12-21 | Fairchild Semiconductor Corporation | Charge balance field effect transistor |
JP2008546216A (ja) * | 2005-06-10 | 2008-12-18 | フェアチャイルド・セミコンダクター・コーポレーション | 電荷平衡電界効果トランジスタ |
Also Published As
Publication number | Publication date |
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US7492003B2 (en) | 2009-02-17 |
TWI340468B (en) | 2011-04-11 |
KR20090118913A (ko) | 2009-11-18 |
EP2108194A4 (en) | 2010-09-15 |
EP2108194A1 (en) | 2009-10-14 |
CN101641791A (zh) | 2010-02-03 |
CN101641791B (zh) | 2011-08-31 |
TW200832701A (en) | 2008-08-01 |
JP5827785B2 (ja) | 2015-12-02 |
US20070187750A1 (en) | 2007-08-16 |
US20090218617A1 (en) | 2009-09-03 |
WO2008091269A1 (en) | 2008-07-31 |
KR101170633B1 (ko) | 2012-08-03 |
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