JP6013876B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6013876B2 JP6013876B2 JP2012239494A JP2012239494A JP6013876B2 JP 6013876 B2 JP6013876 B2 JP 6013876B2 JP 2012239494 A JP2012239494 A JP 2012239494A JP 2012239494 A JP2012239494 A JP 2012239494A JP 6013876 B2 JP6013876 B2 JP 6013876B2
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- Prior art keywords
- metal film
- nmos transistor
- pad
- drain
- semiconductor device
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- 239000004065 semiconductor Substances 0.000 title claims description 31
- 239000002184 metal Substances 0.000 claims description 65
- 238000009792 diffusion process Methods 0.000 claims description 37
- 239000000758 substrate Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000003071 parasitic effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/482—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of lead-in layers inseparably applied to the semiconductor body
- H01L23/4824—Pads with extended contours, e.g. grid structure, branch structure, finger structure
-
- 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
-
- 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
- H01L29/417—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
- H01L29/41758—Source or drain electrodes for field effect devices for lateral devices with structured layout for source or drain region, i.e. the source or drain region having cellular, interdigitated or ring structure or being curved or angular
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Semiconductor Integrated Circuits (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Description
まず、半導体装置のパッド構造について図1と図2を用いて説明する。図1は半導体装置のパッド構造を示す平面図であり、(A)は拡散領域とゲート電極とコンタクトとパッド開口部とを示し、(B)は拡散領域と下層金属膜とパッド開口部とを示している。図2は図1と同じ半導体装置のパッド構造を示す平面図であり、(C)は下層金属膜と第一ビアと中間層金属膜とパッド開口部とを示し、(D)は第二ビアと上層金属膜とパッド開口部とを示している。
また、中間層金属膜17の開口部及びパッド開口部23は、矩形であり、正方形でも長方形でも良い。
12 N型拡散領域
13 ゲート電極
14 コンタクト
15 下層金属膜
16 第一ビア
17 中間層金属膜
18 第二ビア
19 上層金属膜
21 NMOSトランジスタ
22 パッド
23 パッド開口部
Claims (4)
- パッドの下にNMOSトランジスタを有する半導体装置であって、
交互に配置されたソース及びドレインの拡散領域と、前記ソースと前記ドレインとの間の各チャネルの上に配置されたゲート電極と、前記ソース及びドレインの拡散領域と前記ゲート電極を取り囲んでいる基板の電位を固定するためのP型拡散領域とを有し、前記チャネルの数は偶数である前記NMOSトランジスタと、
前記ドレインとの電気的接続を取るために前記ドレイン上に配置された第1の下層金属膜と、
前記ソースと前記ゲート電極を前記P型拡散領域に電気的に接続するための第2の下層金属膜と、
矩形リング形状であり、前記パッドの下において開口部を有する、第一ビアを介して前記第1の下層金属膜に電気的に接続された中間層金属膜と、
前記中間層金属膜の上に配置され、前記中間層金属膜に第二ビアを介して電気的に接続された、前記パッドを形成している上層金属膜と、
前記開口部と一致するパッド開口部を有する保護膜と、
を有し、
前記第一ビアは、前記中間層金属膜の一辺と前記一辺に対向する他辺とのみに配置されており、
前記ソース及びドレインの拡散領域は前記NMOSトランジスタのチャネル幅方向の直線に関して対称に配置されている半導体装置。 - 前記NMOSトランジスタは、ゲート長方向での両端の拡散領域として前記ソースの拡散領域を有する請求項1記載の半導体装置。
- 前記NMOSトランジスタは、ゲート長方向での両端の拡散領域として前記ドレインの拡散領域を有する請求項1記載の半導体装置。
- 前記NMOSトランジスタは、前記NMOSトランジスタの中心に位置する前記ソースの拡散領域に両側を挟まれた基板の電位を固定するためのP型拡散領域を、さらに有する請求項2記載の半導体装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012239494A JP6013876B2 (ja) | 2012-10-30 | 2012-10-30 | 半導体装置 |
TW102137712A TWI588970B (zh) | 2012-10-30 | 2013-10-18 | Semiconductor device |
CN201310499135.2A CN103794599B (zh) | 2012-10-30 | 2013-10-22 | 半导体装置 |
US14/062,019 US9006830B2 (en) | 2012-10-30 | 2013-10-24 | Semiconductor device |
KR1020130127498A KR102082109B1 (ko) | 2012-10-30 | 2013-10-25 | 반도체 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012239494A JP6013876B2 (ja) | 2012-10-30 | 2012-10-30 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014090096A JP2014090096A (ja) | 2014-05-15 |
JP6013876B2 true JP6013876B2 (ja) | 2016-10-25 |
Family
ID=50546237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012239494A Active JP6013876B2 (ja) | 2012-10-30 | 2012-10-30 | 半導体装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9006830B2 (ja) |
JP (1) | JP6013876B2 (ja) |
KR (1) | KR102082109B1 (ja) |
CN (1) | CN103794599B (ja) |
TW (1) | TWI588970B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9312371B2 (en) * | 2014-07-24 | 2016-04-12 | Globalfoundries Inc. | Bipolar junction transistors and methods of fabrication |
JP2017069412A (ja) * | 2015-09-30 | 2017-04-06 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
CN110299356A (zh) * | 2019-07-26 | 2019-10-01 | 宁波芯浪电子科技有限公司 | 一种用于mos管的静电保护方法 |
EP4064348A4 (en) | 2021-01-28 | 2023-06-21 | Changxin Memory Technologies, Inc. | SEMICONDUCTOR STRUCTURE |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3432284B2 (ja) * | 1994-07-04 | 2003-08-04 | 三菱電機株式会社 | 半導体装置 |
EP0923126A1 (en) * | 1997-12-05 | 1999-06-16 | STMicroelectronics S.r.l. | Integrated electronic device comprising a mechanical stress protection structure |
JP3505433B2 (ja) * | 1999-05-21 | 2004-03-08 | 三洋電機株式会社 | 半導体装置 |
KR100383003B1 (ko) * | 2000-12-30 | 2003-05-09 | 주식회사 하이닉스반도체 | 멀티-핑거구조의 esd 보호회로 |
JP2002289786A (ja) * | 2001-03-28 | 2002-10-04 | Nec Corp | 静電気保護素子 |
US6573568B2 (en) * | 2001-06-01 | 2003-06-03 | Winbond Electronics Corp. | ESD protection devices and methods for reducing trigger voltage |
US6909149B2 (en) * | 2003-04-16 | 2005-06-21 | Sarnoff Corporation | Low voltage silicon controlled rectifier (SCR) for electrostatic discharge (ESD) protection of silicon-on-insulator technologies |
JP2005064462A (ja) * | 2003-07-28 | 2005-03-10 | Nec Electronics Corp | マルチフィンガー型静電気放電保護素子 |
JP4867157B2 (ja) * | 2004-11-18 | 2012-02-01 | ソニー株式会社 | 高周波トランジスタの設計方法、および、マルチフィンガーゲートを有する高周波トランジスタ |
JP4682622B2 (ja) * | 2005-01-11 | 2011-05-11 | セイコーエプソン株式会社 | 半導体装置 |
JP4839737B2 (ja) * | 2005-06-30 | 2011-12-21 | セイコーエプソン株式会社 | 集積回路装置及び電子機器 |
JP4186970B2 (ja) * | 2005-06-30 | 2008-11-26 | セイコーエプソン株式会社 | 集積回路装置及び電子機器 |
CN100511405C (zh) * | 2005-06-30 | 2009-07-08 | 精工爱普生株式会社 | 集成电路装置及电子设备 |
JP2007116049A (ja) | 2005-10-24 | 2007-05-10 | Toshiba Corp | 半導体装置 |
JP5603089B2 (ja) | 2009-02-23 | 2014-10-08 | セイコーインスツル株式会社 | 半導体装置 |
JP5529607B2 (ja) | 2010-03-29 | 2014-06-25 | セイコーインスツル株式会社 | 半導体装置 |
US8829618B2 (en) * | 2010-11-03 | 2014-09-09 | Texas Instruments Incorporated | ESD protection using diode-isolated gate-grounded NMOS with diode string |
JP5297495B2 (ja) * | 2011-05-02 | 2013-09-25 | ルネサスエレクトロニクス株式会社 | 静電気放電保護素子 |
-
2012
- 2012-10-30 JP JP2012239494A patent/JP6013876B2/ja active Active
-
2013
- 2013-10-18 TW TW102137712A patent/TWI588970B/zh active
- 2013-10-22 CN CN201310499135.2A patent/CN103794599B/zh active Active
- 2013-10-24 US US14/062,019 patent/US9006830B2/en active Active
- 2013-10-25 KR KR1020130127498A patent/KR102082109B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
TW201436170A (zh) | 2014-09-16 |
CN103794599A (zh) | 2014-05-14 |
JP2014090096A (ja) | 2014-05-15 |
US9006830B2 (en) | 2015-04-14 |
TWI588970B (zh) | 2017-06-21 |
US20140117451A1 (en) | 2014-05-01 |
CN103794599B (zh) | 2017-11-21 |
KR102082109B1 (ko) | 2020-02-27 |
KR20140056013A (ko) | 2014-05-09 |
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