JP2013222854A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP2013222854A JP2013222854A JP2012094089A JP2012094089A JP2013222854A JP 2013222854 A JP2013222854 A JP 2013222854A JP 2012094089 A JP2012094089 A JP 2012094089A JP 2012094089 A JP2012094089 A JP 2012094089A JP 2013222854 A JP2013222854 A JP 2013222854A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 25
- 230000015556 catabolic process Effects 0.000 claims abstract description 33
- 238000002955 isolation Methods 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 235000012431 wafers Nutrition 0.000 abstract description 12
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 16
- 230000004048 modification Effects 0.000 description 13
- 238000012986 modification Methods 0.000 description 13
- 230000005684 electric field Effects 0.000 description 8
- 230000003071 parasitic effect Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
- H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
- H01L27/0255—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using diodes as protective elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/06—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
- H01L27/0611—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region
- H01L27/0641—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region without components of the field effect type
- H01L27/0676—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region without components of the field effect type comprising combinations of diodes, or capacitors or resistors
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- 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
- H01L29/0684—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
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- 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
- H01L29/8611—Planar PN junction diodes
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Element Separation (AREA)
- Bipolar Integrated Circuits (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
【解決手段】クランプダイオードを含む半導体装置は、半導体基板6に設けられた耐圧調整用第一導電型低濃度領域5と、耐圧調整用第一導電型低濃度領域5内に設けられた円形の第二導電型高濃度領域1と、耐圧調整用第一導電型低濃度領域5内に、第二導電型高濃度領域1と接せず、第二導電型高濃度領域1を囲むようにリング状に設けられた素子分離用絶縁膜2と、耐圧調整用第一導電型低濃度領域5内に、素子分離用絶縁膜2のリングの外に設けられた第一導電型高濃度領域3とを有する。
【選択図】図1
Description
図1は半導体装置におけるクランプダイオードの第一の実施形態を示す図である。図1(a)に平面図、図1(b)に同図(a)の線分A−A’に沿った断面図を示す。
2 素子分離用絶縁膜
3 第一導電型高濃度領域
4 コンタクト
5 耐圧調整用第一導電型低濃度領域
6 半導体基板
7 第一導電型領域
8 電極
9 絶縁膜
Claims (6)
- 半導体基板と、
前記半導体基板に設けられた耐圧調整用第一導電型低濃度領域と、
前記耐圧調整用第一導電型低濃度領域内の表面近傍に設けられた円形の第二導電型高濃度領域と、
前記耐圧調整用第一導電型低濃度領域内の表面に、前記第二導電型高濃度領域と接せず、前記第二導電型高濃度領域を囲むように設けられたリング形状を有する素子分離用絶縁膜と、
前記耐圧調整用第一導電型低濃度領域内であって、前記素子分離用絶縁膜の外側に設けられた第一導電型高濃度領域と、
を有することを特徴とする半導体装置。 - 前記第一導電型高濃度領域が、リング形状を有しており、前記素子分離用絶縁膜を囲むように設けられていることを特徴とする請求項1に記載の半導体装置。
- 前記素子分離用絶縁膜のリング形状が円環形状であり、
前記第一導電型高濃度領域の少なくともリング形状の内側の部分が円形であることを特徴とする請求項2に記載の半導体装置。 - 半導体基板と、
前記半導体基板に設けられた耐圧調整用第一導電型低濃度領域と、
前記耐圧調整用第一導電型低濃度領域内の表面近傍に設けられた円形の第二導電型高濃度領域と、
前記耐圧調整用第一導電型低濃度領域内の表面に、前記第二導電型高濃度領域と接せずに設けられた第一導電型高濃度領域と、
を有することを特徴とする半導体装置。 - 前記第一導電型高濃度領域が、リング形状を有し、前記第二導電型高濃度領域を囲むように設けられていることを特徴とする請求項4に記載の半導体装置。
- 前記第一導電型高濃度領域の少なくともリング形状の内側の部分が円形であることを特徴とする請求項5に記載の半導体装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012094089A JP6001309B2 (ja) | 2012-04-17 | 2012-04-17 | 半導体装置 |
TW102111875A TWI589007B (zh) | 2012-04-17 | 2013-04-02 | 半導體裝置 |
US13/855,781 US9177954B2 (en) | 2012-04-17 | 2013-04-03 | Semiconductor device |
CN201310128871.7A CN103378168B (zh) | 2012-04-17 | 2013-04-15 | 半导体装置 |
KR1020130041605A KR102050703B1 (ko) | 2012-04-17 | 2013-04-16 | 반도체 장치 |
US14/746,018 US20150287714A1 (en) | 2012-04-17 | 2015-06-22 | Semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012094089A JP6001309B2 (ja) | 2012-04-17 | 2012-04-17 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013222854A true JP2013222854A (ja) | 2013-10-28 |
JP6001309B2 JP6001309B2 (ja) | 2016-10-05 |
Family
ID=49379329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012094089A Active JP6001309B2 (ja) | 2012-04-17 | 2012-04-17 | 半導体装置 |
Country Status (5)
Country | Link |
---|---|
US (2) | US9177954B2 (ja) |
JP (1) | JP6001309B2 (ja) |
KR (1) | KR102050703B1 (ja) |
CN (1) | CN103378168B (ja) |
TW (1) | TWI589007B (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06104455A (ja) * | 1992-09-21 | 1994-04-15 | Hitachi Ltd | pn接合ダイオードおよびこれを用いた半導体集積回路装置 |
JPH07106604A (ja) * | 1993-09-10 | 1995-04-21 | Sgs Thomson Microelettronica Spa | 集積電圧制限兼安定化素子の製造方法 |
JPH10242484A (ja) * | 1997-02-24 | 1998-09-11 | Rohm Co Ltd | クランプ素子 |
JPH10321878A (ja) * | 1997-03-18 | 1998-12-04 | Toshiba Corp | 高耐圧半導体装置 |
JP2000022175A (ja) * | 1998-06-30 | 2000-01-21 | Toshiba Corp | 高耐圧半導体装置 |
JP2011097021A (ja) * | 2009-09-30 | 2011-05-12 | Denso Corp | 半導体装置およびその製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08227999A (ja) * | 1994-12-21 | 1996-09-03 | Mitsubishi Electric Corp | 絶縁ゲート型バイポーラトランジスタ及びその製造方法並びに半導体集積回路及びその製造方法 |
JP3472476B2 (ja) | 1998-04-17 | 2003-12-02 | 松下電器産業株式会社 | 半導体装置及びその駆動方法 |
JP4016595B2 (ja) * | 2000-12-12 | 2007-12-05 | サンケン電気株式会社 | 半導体装置及びその製造方法 |
US7667268B2 (en) * | 2002-08-14 | 2010-02-23 | Advanced Analogic Technologies, Inc. | Isolated transistor |
TW560042B (en) * | 2002-09-18 | 2003-11-01 | Vanguard Int Semiconduct Corp | ESD protection device |
JP4469584B2 (ja) * | 2003-09-12 | 2010-05-26 | 株式会社東芝 | 半導体装置 |
JP2007134596A (ja) * | 2005-11-11 | 2007-05-31 | Matsushita Electric Ind Co Ltd | サージ保護用半導体装置 |
JP5493435B2 (ja) * | 2009-04-08 | 2014-05-14 | 富士電機株式会社 | 高耐圧半導体装置および高電圧集積回路装置 |
-
2012
- 2012-04-17 JP JP2012094089A patent/JP6001309B2/ja active Active
-
2013
- 2013-04-02 TW TW102111875A patent/TWI589007B/zh active
- 2013-04-03 US US13/855,781 patent/US9177954B2/en not_active Expired - Fee Related
- 2013-04-15 CN CN201310128871.7A patent/CN103378168B/zh active Active
- 2013-04-16 KR KR1020130041605A patent/KR102050703B1/ko active IP Right Grant
-
2015
- 2015-06-22 US US14/746,018 patent/US20150287714A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06104455A (ja) * | 1992-09-21 | 1994-04-15 | Hitachi Ltd | pn接合ダイオードおよびこれを用いた半導体集積回路装置 |
JPH07106604A (ja) * | 1993-09-10 | 1995-04-21 | Sgs Thomson Microelettronica Spa | 集積電圧制限兼安定化素子の製造方法 |
JPH10242484A (ja) * | 1997-02-24 | 1998-09-11 | Rohm Co Ltd | クランプ素子 |
JPH10321878A (ja) * | 1997-03-18 | 1998-12-04 | Toshiba Corp | 高耐圧半導体装置 |
JP2000022175A (ja) * | 1998-06-30 | 2000-01-21 | Toshiba Corp | 高耐圧半導体装置 |
JP2011097021A (ja) * | 2009-09-30 | 2011-05-12 | Denso Corp | 半導体装置およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR102050703B1 (ko) | 2019-12-02 |
CN103378168A (zh) | 2013-10-30 |
JP6001309B2 (ja) | 2016-10-05 |
CN103378168B (zh) | 2017-06-20 |
TW201405837A (zh) | 2014-02-01 |
US9177954B2 (en) | 2015-11-03 |
US20130277792A1 (en) | 2013-10-24 |
TWI589007B (zh) | 2017-06-21 |
KR20130117683A (ko) | 2013-10-28 |
US20150287714A1 (en) | 2015-10-08 |
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