KR0159451B1 - 반도체장치의 보호회로 - Google Patents
반도체장치의 보호회로 Download PDFInfo
- Publication number
- KR0159451B1 KR0159451B1 KR1019950008628A KR19950008628A KR0159451B1 KR 0159451 B1 KR0159451 B1 KR 0159451B1 KR 1019950008628 A KR1019950008628 A KR 1019950008628A KR 19950008628 A KR19950008628 A KR 19950008628A KR 0159451 B1 KR0159451 B1 KR 0159451B1
- Authority
- KR
- South Korea
- Prior art keywords
- protection circuit
- semiconductor substrate
- region
- diffusion layer
- well
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 59
- 239000000758 substrate Substances 0.000 claims abstract description 53
- 238000009792 diffusion process Methods 0.000 claims abstract description 49
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 238000002955 isolation Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims description 12
- 241000238631 Hexapoda Species 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 5
- 239000000969 carrier Substances 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 9
- 230000004048 modification Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000005611 electricity Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D89/00—Aspects of integrated devices not covered by groups H10D84/00 - H10D88/00
- H10D89/60—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD]
- H10D89/601—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD] for devices having insulated gate electrodes, e.g. for IGFETs or IGBTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D89/00—Aspects of integrated devices not covered by groups H10D84/00 - H10D88/00
- H10D89/60—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD]
Landscapes
- Semiconductor Integrated Circuits (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Bipolar Transistors (AREA)
Abstract
Description
Claims (6)
- 제1도전형의 반도체 기판(101, 103)과, 상기 반도체 기판상의 일부에 형성된 제2도전형의 분리영역(102, 302), 상기 분리영역상의 일부에 형성되어 상기 분리영역으로 둘러 싸인 제1도전형의 보호회로 형성영역(103, 303) 및, 상기 보호회로 형성영역상에 형성된 제2도전형의 확산층(104, 304)을 갖추고, 상기 확산충은, 외부단자(105)에 접속되고, 또 상기 분리영역과 상기 반도체 기판이 역방향 바이어스로 되도록 하는 전위가 상기 분리영역 및 상기 반도체 기판에 공급되고 있는 것을 특징으로 하는 반도체장치의 보호회로.
- 제1도전형의 반도체 기판(101, 103)과, 상기 반도체 기판상의 일부에 형성된 제2도전형의 분리영역(102, 302), 상기 분리영역상의 일부에 형성되어 상기 분리영역으로 둘러 싸인 제1도전형의 보호회로 형성영역(103, 303) 및, 외부단자(105)와 내부회로를 구성하는 MOS트랜지스터(106) 사이에 접속되어 상기 보호회로 형성영역상에 형성된 제2도전형의 확산층(104, 304)을 갖추고, 상기 확산충과 상기 보호회로 형성영역이 바이폴라 트랜지스터(Q1)를 구성하며, 상기 내부회로를 구성하는 상기 MOS트랜지스터를 보호하기 위한 보호회로를 형성하고 있는 것을 특징으로 하는 반도체장치의 보호회로.
- 제1항에 있어서, 상기 분리영역(102, 302)의 불순물농도가, 상기 보호회로 형성영역(103, 303)과 상기 분리영역의 접합면의 깊이 보다 깊은 부분의 농도 쪽이 상기 분리영역의 표면 부근의 농도보다도 높은 것을 특징으로 하는 반도체 장치의 보호회로.
- 제2항에 있어서, 상기 분리영역(102, 302)의 불순물농도가, 상기 보호회로 형성영역(103, 303)과 상기 분리영역의 접합면의 깊이 보다 깊은 부분의 농도 쪽이 상기 분리영역의 표면 부근의 농도보다도 높은 것을 특징으로 하는 반도체장치의 보호회로.
- 제1항에 있어서, 상기 보호회로 형성영역(103)내에 제1도전형의 제1 및 제2확산층(501, 502)을 더 구비하고, 상기 제1확산층에는 제1의 소정의 전압이 인가되고 있으며, 상기 제2확산층에는 제2의 소정의 전압이 인가되고 있는 것을 특징으로 하는 반도체장치의 보호회로.
- 제2항에 있어서, 상기 보호회로 형성영역(103)내에 제1도전형의 제1 및 제2확산충(501, 502)을 더 구비하고, 상기 제1확산층에는 제1의 소정의 전압이 인가되고 있으며, 상기 제2확산층에는 제2의 소정의 전압이 인가되고 있는 것을 특징으로 하는 반도체장치의 보호회로.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP94-74688 | 1994-04-13 | ||
JP6074688A JPH07283405A (ja) | 1994-04-13 | 1994-04-13 | 半導体装置の保護回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950030309A KR950030309A (ko) | 1995-11-24 |
KR0159451B1 true KR0159451B1 (ko) | 1999-02-01 |
Family
ID=13554414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950008628A KR0159451B1 (ko) | 1994-04-13 | 1995-04-13 | 반도체장치의 보호회로 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5936282A (ko) |
EP (1) | EP0678919A1 (ko) |
JP (1) | JPH07283405A (ko) |
KR (1) | KR0159451B1 (ko) |
TW (1) | TW280021B (ko) |
Families Citing this family (24)
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US6018168A (en) * | 1995-06-30 | 2000-01-25 | Samsung Electronics Co., Ltd. | Semiconductor memory devices having alternating word line reverse diodes and well bias tapping regions |
US6750527B1 (en) * | 1996-05-30 | 2004-06-15 | Kabushiki Kaisha Toshiba | Semiconductor integrated circuit device having a plurality of wells, test method of testing the semiconductor integrated circuit device, and test device which executes the test method |
US6218895B1 (en) * | 1997-06-20 | 2001-04-17 | Intel Corporation | Multiple well transistor circuits having forward body bias |
US6137143A (en) * | 1998-06-30 | 2000-10-24 | Intel Corporation | Diode and transistor design for high speed I/O |
JP3123984B2 (ja) * | 1998-07-31 | 2001-01-15 | 日本電気アイシーマイコンシステム株式会社 | 半導体集積回路装置 |
KR20000018511A (ko) * | 1998-09-02 | 2000-04-06 | 김영환 | 바이어스 전압 발생기의 레이 아웃방법 |
US6222237B1 (en) * | 1999-05-21 | 2001-04-24 | United Microelectronics Corp. | Structure of electrostatic discharge protection device |
US6310379B1 (en) * | 1999-06-03 | 2001-10-30 | Texas Instruments Incorporated | NMOS triggered NMOS ESD protection circuit using low voltage NMOS transistors |
US6674129B1 (en) * | 1999-12-17 | 2004-01-06 | Koninklijke Phillips Electronics N.V. | ESD diode structure |
EP1130648A1 (en) * | 2000-02-29 | 2001-09-05 | STMicroelectronics S.r.l. | Method and device for limiting the substrate potential in junction isolated integrated circuits |
US20020125537A1 (en) * | 2000-05-30 | 2002-09-12 | Ting-Wah Wong | Integrated radio frequency circuits |
JP2002083931A (ja) * | 2000-09-08 | 2002-03-22 | Nec Corp | 半導体集積回路装置 |
US6583045B1 (en) | 2001-11-16 | 2003-06-24 | Taiwan Semiconductor Manufacturing Company | Chip design with power rails under transistors |
TW575989B (en) * | 2002-09-25 | 2004-02-11 | Mediatek Inc | NPN Darlington ESD protection circuit |
US20050230758A1 (en) * | 2004-04-16 | 2005-10-20 | Lereverend Remi | Transistor well bias scheme |
TWI246154B (en) * | 2004-08-04 | 2005-12-21 | Realtek Semiconductor Corp | Method for forming junction varactor by triple-well process |
JP4530823B2 (ja) * | 2004-12-02 | 2010-08-25 | 三洋電機株式会社 | 半導体装置及びその製造方法 |
US20070108477A1 (en) * | 2005-11-04 | 2007-05-17 | Tsun-Lai Hsu | Semiconductor structure |
JP2007207358A (ja) * | 2006-02-02 | 2007-08-16 | Toshiba Corp | 半導体記憶装置 |
US8450832B2 (en) * | 2007-04-05 | 2013-05-28 | Globalfoundries Singapore Pte. Ltd. | Large tuning range junction varactor |
US7741187B2 (en) * | 2007-09-20 | 2010-06-22 | Chartered Semiconductor Manufacturing, Ltd. | Lateral junction varactor with large tuning range |
JP2009081293A (ja) * | 2007-09-26 | 2009-04-16 | Oki Semiconductor Co Ltd | 半導体チップ、及び複数の半導体チップが搭載された半導体装置 |
JP5371274B2 (ja) * | 2008-03-27 | 2013-12-18 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP5511370B2 (ja) * | 2009-12-28 | 2014-06-04 | セイコーインスツル株式会社 | 半導体装置 |
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-
1994
- 1994-04-13 JP JP6074688A patent/JPH07283405A/ja active Pending
-
1995
- 1995-04-12 EP EP95105518A patent/EP0678919A1/en not_active Withdrawn
- 1995-04-13 KR KR1019950008628A patent/KR0159451B1/ko not_active IP Right Cessation
- 1995-05-25 TW TW084105298A patent/TW280021B/zh active
-
1997
- 1997-04-17 US US08/843,965 patent/US5936282A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5936282A (en) | 1999-08-10 |
JPH07283405A (ja) | 1995-10-27 |
KR950030309A (ko) | 1995-11-24 |
TW280021B (ko) | 1996-07-01 |
EP0678919A1 (en) | 1995-10-25 |
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