KR101258996B1 - Esd 보호소자 - Google Patents
Esd 보호소자 Download PDFInfo
- Publication number
- KR101258996B1 KR101258996B1 KR1020110071900A KR20110071900A KR101258996B1 KR 101258996 B1 KR101258996 B1 KR 101258996B1 KR 1020110071900 A KR1020110071900 A KR 1020110071900A KR 20110071900 A KR20110071900 A KR 20110071900A KR 101258996 B1 KR101258996 B1 KR 101258996B1
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- South Korea
- Prior art keywords
- well
- region
- deep
- doped
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- 238000000034 method Methods 0.000 claims abstract description 21
- 239000004065 semiconductor Substances 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000009792 diffusion process Methods 0.000 description 21
- 238000005516 engineering process Methods 0.000 description 7
- 230000001965 increasing effect Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Classifications
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- 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
- H10D89/711—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 using bipolar transistors as protective elements
- H10D89/713—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 using bipolar transistors as protective elements including a PNP transistor and a NPN transistor, wherein each of said transistors has its base region coupled to the collector region of the other transistor, e.g. silicon controlled rectifier [SCR] devices
-
- 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
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/0191—Manufacturing their doped wells
-
- 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
- H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
- H10D84/82—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components
- H10D84/83—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components of only insulated-gate FETs [IGFET]
- H10D84/85—Complementary IGFETs, e.g. CMOS
- H10D84/859—Complementary IGFETs, e.g. CMOS comprising both N-type and P-type wells, e.g. twin-tub
Landscapes
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
Description
도 2는 종래 LIGBT의 문제점을 설명하기 위한 도면이다.
도 3은 개시된 기술의 일 실시 예에 따른 ESD 보호소자를 설명하기 위한 도면이다.
Claims (6)
- 반도체 기판에 위치하며 N형으로 도핑된 딥 N웰;
상기 딥 N웰에 접하며 상기 딥 N웰보다 높은 농도의 N형으로 도핑된 N웰;
상기 딥 N웰에 접하며 상기 N웰에 이격되어 배치된 P웰;
상기 N웰에 접하며 상기 P웰보다 높은 농도의 P형으로 도핑된 제1 P+영역;
상기 P웰에 접하며 상기 P웰보다 높은 농도의 P형으로 도핑된 제2 P+영역;
상기 P웰에 접하며 상기 N웰보다 높은 농도의 N형으로 도핑된 N+영역; 및
상기 P웰에 접하며 상기 P웰보다 높은 농도의 P형으로 도핑되고 플로팅되어 있는 P+플로팅 영역; 을 포함하며,
상기 딥 N웰은 상기 반도체 기판 내에 위치하되, 상기 딥 N웰의 일정 부분은 상기 반도체 기판의 표면에 노출되며,
상기 N+ 영역은 상기 제2 P+ 영역과 이격되어 위치하고,
상기 P+ 플로팅 영역은 상기 제2 P+ 영역 및 상기 N+ 영역과 이격되어 위치하는 ESD(Electro Static Discharge) 보호소자. - 제 1항에 있어서,
상기 제2 P+영역 및 상기 N+영역은 에미터에 연결되고,
상기 제1 P+영역은 컬렉터에 연결되는 ESD 보호소자. - 제 2항에 있어서,
상기 P+플로팅 영역은 상기 제1 P+영역과 상기 제2 P+영역 사이에 형성되는 ESD 보호소자. - 삭제
- 제1항에 있어서,
상기 N+ 영역, 상기 P 웰 및 상기 딥 N웰에 모두 전기적으로 연결된 게이트를 더 포함하는 ESD 보호소자 - 제5항에 있어서,
상기 게이트는 상기 딥 N 웰로 전자를 유입하는 ESD 보호소자.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110071900A KR101258996B1 (ko) | 2011-07-20 | 2011-07-20 | Esd 보호소자 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020110071900A KR101258996B1 (ko) | 2011-07-20 | 2011-07-20 | Esd 보호소자 |
Publications (2)
Publication Number | Publication Date |
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KR20130011027A KR20130011027A (ko) | 2013-01-30 |
KR101258996B1 true KR101258996B1 (ko) | 2013-05-07 |
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KR1020110071900A KR101258996B1 (ko) | 2011-07-20 | 2011-07-20 | Esd 보호소자 |
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KR (1) | KR101258996B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102085367B1 (ko) | 2013-05-27 | 2020-03-06 | 삼성디스플레이 주식회사 | 게이트 구동부 및 그것을 포함하는 표시 장치 |
CN112635458B (zh) * | 2020-10-14 | 2024-04-30 | 上海华力微电子有限公司 | 一种硅控整流器及其制造方法 |
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2011
- 2011-07-20 KR KR1020110071900A patent/KR101258996B1/ko active IP Right Grant
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