KR100770451B1 - 마이크로 칩의 정전 방전 구조 - Google Patents
마이크로 칩의 정전 방전 구조 Download PDFInfo
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- KR100770451B1 KR100770451B1 KR1020050131152A KR20050131152A KR100770451B1 KR 100770451 B1 KR100770451 B1 KR 100770451B1 KR 1020050131152 A KR1020050131152 A KR 1020050131152A KR 20050131152 A KR20050131152 A KR 20050131152A KR 100770451 B1 KR100770451 B1 KR 100770451B1
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- Prior art keywords
- field effect
- effect transistor
- mos field
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- double guard
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- 230000008878 coupling Effects 0.000 claims abstract description 48
- 238000010168 coupling process Methods 0.000 claims abstract description 48
- 238000005859 coupling reaction Methods 0.000 claims abstract description 48
- 239000003990 capacitor Substances 0.000 claims abstract description 34
- 230000005669 field effect Effects 0.000 claims abstract description 27
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 238000005468 ion implantation Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003071 parasitic effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- VMXJCRHCUWKQCB-UHFFFAOYSA-N NPNP Chemical compound NPNP VMXJCRHCUWKQCB-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000758 substrate 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
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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
- H01L27/0266—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using field effect transistors as protective elements
-
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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
- H01L27/0288—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using passive elements as protective elements, e.g. resistors, capacitors, inductors, spark-gaps
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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]
- H01L29/0619—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] with a supplementary region doped oppositely to or in rectifying contact with the semiconductor containing or contacting region, e.g. guard rings with PN or Schottky junction
Abstract
Description
Claims (9)
- 모스 전계효과 트랜지스터;상기 모스 전계효과 트랜지스터의 게이트에 일단이 접속되는 커플링 저항; 및상기 모스 전계효과 트랜지스터의 더블 가드(double guard) 상에 위치하며, 일단이 상기 모스 전계효과 트랜지스터의 게이트에 연결되는 커플링 커패시터를 포함하는 마이크로 칩의 정전 방전 구조.
- 제1항에 있어서,상기 커플링 커패시터는,상기 모스 전계효과 트랜지스터를 전기적으로 절연시키는 더블 가드를 하부전극으로 사용하며, 그 더블 가드 상에 적층된 유전막과 상부전극을 포함하는 것을 특징으로 하는 마이크로 칩의 정전 방전 구조.
- 제2항에 있어서,상기 더블 가드는,상기 모스 전계효과 트랜지스터가 위치하는 제1도전형 웰과는 반대의 제2도전형의 웰이며, 그 웰에 전원전압 또는 접지전압을 공급하기 위한 고농도의 제2도전형 이온주입영역을 더 포함하는 마이크로 칩의 정전 방전 구조.
- 제3항에 있어서,상기 고농도 제2도전형 이온주입영역은,상기 유전막과 상부전극 적층구조의 측면 제2도전형 웰에 위치하는 것을 특징으로 하는 마이크로 칩의 정전 방전 구조.
- 제3항에 있어서,상기 더블 가드는,상기 모스 전계효과 트랜지스터가 위치하는 제1도전형 웰과는 표면부에 소자분리막을 사이에 두고 상호 접하여, 그 제1도전형 웰의 주변부 전체에 위치하는 것을 특징으로 하는 마이크로 칩의 정전 방전 구조.
- 제5항에 있어서,상기 제1도전형 웰은 P형이며, 그 제1도전형 웰에 형성된 모스 전계효과 트랜지스터는 N형이며, 더블 가드는 N형인 것을 특징으로 하는 마이크로 칩의 정전 방전 구조.
- 제6항에 있어서,상기 제1도전형 웰에는 접지전압이 공급되며, 그 제1도전형 웰에 위치하는 모스 전계효과 트랜지스터의 게이트에는 커플링 저항을 통해 접지전압이 공급되고, 더블 가드에는 전원전압이 공급되는 것을 특징으로 하는 마이크로 칩의 정전 방전 구조.
- 제5항에 있어서,상기 제1도전형 웰은 N형이며, 그 제1도전형 웰에 형성된 모스 전계효과 트랜지스터는 P형이며, 더블 가드는 P형인 것을 특징으로 하는 마이크로 칩의 정전 방전 구조.
- 제8항에 있어서,상기 제1도전형 웰에는 전원전압이 공급되고, 그 제1도전형 웰에 위치하는 모스 전계효과 트랜지스터에는 커플링 저항을 통해 전원전압이 공급되며, 더블 가드에는 접지전압이 공급되는 것을 특징으로 하는 마이크로 칩의 정전 방전 구조.
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KR1020050131152A KR100770451B1 (ko) | 2005-12-28 | 2005-12-28 | 마이크로 칩의 정전 방전 구조 |
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KR1020050131152A KR100770451B1 (ko) | 2005-12-28 | 2005-12-28 | 마이크로 칩의 정전 방전 구조 |
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KR20070069262A KR20070069262A (ko) | 2007-07-03 |
KR100770451B1 true KR100770451B1 (ko) | 2007-10-26 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101374421B1 (ko) | 2012-05-16 | 2014-03-17 | 주식회사 동부하이텍 | Ggnmos 정전기 보호 소자 |
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US10740527B2 (en) * | 2017-09-06 | 2020-08-11 | Apple Inc. | Semiconductor layout in FinFET technologies |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20020013124A (ko) * | 2000-08-11 | 2002-02-20 | 박종섭 | 이에스디(esd) 보호회로 |
US20030047787A1 (en) | 1998-12-28 | 2003-03-13 | Taiwan Semiconductor Manufacturing Company | Dynamic substrate-coupled electrostatic discharging protection circuit |
KR20050106940A (ko) * | 2004-05-06 | 2005-11-11 | 주식회사 하이닉스반도체 | 반도체 소자의 정전기 보호회로 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20030047787A1 (en) | 1998-12-28 | 2003-03-13 | Taiwan Semiconductor Manufacturing Company | Dynamic substrate-coupled electrostatic discharging protection circuit |
KR20020013124A (ko) * | 2000-08-11 | 2002-02-20 | 박종섭 | 이에스디(esd) 보호회로 |
KR20050106940A (ko) * | 2004-05-06 | 2005-11-11 | 주식회사 하이닉스반도체 | 반도체 소자의 정전기 보호회로 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101374421B1 (ko) | 2012-05-16 | 2014-03-17 | 주식회사 동부하이텍 | Ggnmos 정전기 보호 소자 |
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