KR100281106B1 - 이에스디보호회로및그제조방법 - Google Patents
이에스디보호회로및그제조방법 Download PDFInfo
- Publication number
- KR100281106B1 KR100281106B1 KR1019980010571A KR19980010571A KR100281106B1 KR 100281106 B1 KR100281106 B1 KR 100281106B1 KR 1019980010571 A KR1019980010571 A KR 1019980010571A KR 19980010571 A KR19980010571 A KR 19980010571A KR 100281106 B1 KR100281106 B1 KR 100281106B1
- Authority
- KR
- South Korea
- Prior art keywords
- conductivity type
- semiconductor substrate
- impurity region
- high concentration
- type impurity
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 9
- 239000012535 impurity Substances 0.000 claims abstract description 70
- 239000004065 semiconductor Substances 0.000 claims abstract description 54
- 239000000758 substrate Substances 0.000 claims abstract description 53
- 238000002955 isolation Methods 0.000 claims abstract description 16
- 229910052796 boron Inorganic materials 0.000 claims description 2
- -1 boron ions Chemical class 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000015556 catabolic process Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000000137 annealing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- H10D89/931—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 characterised by the dispositions of the protective arrangements
Landscapes
- Semiconductor Integrated Circuits (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (4)
- 제 1 도전형 반도체 기판에 일정한 간격을 갖고 형성되는 트랜치와,상기 트랜치내부에 형성되는 소자 격리막과,상기 반도체 기판내에 형성되는 제 1 도전형 매립층과,상기 반도체 기판에 소자 격리막에 의해 격리되어 형성되는 제 1 도전형 웰과 제 2 도전형 웰과,상기 제 2 도전형 웰이 형성된 반도체 기판의 표면내에 형성되는 제 2 도전형 제 1 불순물 영역과 제 1 도전형 제 2 불순물 영역과,상기 제 1 도전형 웰이 형성된 반도체 기판의 표면내에 형성되는 제 2 도전형 제 3 불순물 영역과 제 1 도전형 제 4 불순물 영역을 포함하여 구성됨을 특징으로 하는 ESD 보호회로.
- 제 1 항에 있어서,상기 제 1 도전형은 p형이고, 제 2 도전형은 n형인 것을 특징으로 하는 ESD 보호회로.
- 제 1 도전형 반도체 기판에 일정한 간격을 갖는 트랜치를 형성하는 단계;상기 트랜치내부에 소자 격리막을 형성하는 단계;상기 반도체 기판내에 제 1 도전형 매립층을 형성하는 단계;상기 반도체 기판에 제 1 도전형 웰과 제 2 도전형 웰을 각각 형성하는 단계;상기 제 2 도전형 웰이 형성된 반도체 기판의 표면내에 제 2 도전형 제 1 불순물 영역과 제 1 도전형 제 2 불순물 영역을 형성하는 단계;상기 제 1 도전형 웰이 형성된 반도체 기판의 표면내에 제 2 도전형 제 3 불순물 영역과 제 1 도전형 제 4 불순물 영역을 형성하는 단계를 포함하여 형성함을 특징으로 하는 ESD 보호회로의 제조방법.
- 제 1 항에 있어서,상기 제 1 도전형 매립층은 반도체 기판의 전면에 고에너지로 보론이온을 주입하여 형성함을 특징으로 하는 ESD 보호회로의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980010571A KR100281106B1 (ko) | 1998-03-26 | 1998-03-26 | 이에스디보호회로및그제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980010571A KR100281106B1 (ko) | 1998-03-26 | 1998-03-26 | 이에스디보호회로및그제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990075986A KR19990075986A (ko) | 1999-10-15 |
KR100281106B1 true KR100281106B1 (ko) | 2001-03-02 |
Family
ID=65860936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980010571A KR100281106B1 (ko) | 1998-03-26 | 1998-03-26 | 이에스디보호회로및그제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100281106B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100209222B1 (ko) * | 1995-12-16 | 1999-07-15 | 김영환 | 반도체 소자의 정전방전 보호회로 |
-
1998
- 1998-03-26 KR KR1019980010571A patent/KR100281106B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100209222B1 (ko) * | 1995-12-16 | 1999-07-15 | 김영환 | 반도체 소자의 정전방전 보호회로 |
Also Published As
Publication number | Publication date |
---|---|
KR19990075986A (ko) | 1999-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10978452B2 (en) | Structure and method of latchup robustness with placement of through wafer via within CMOS circuitry | |
US8390092B2 (en) | Area-efficient high voltage bipolar-based ESD protection targeting narrow design windows | |
US4760433A (en) | ESD protection transistors | |
US7405445B2 (en) | Semiconductor structure and method for ESD protection | |
US6875650B2 (en) | Eliminating substrate noise by an electrically isolated high-voltage I/O transistor | |
JP2965783B2 (ja) | 半導体装置およびその製造方法 | |
EP0057024B1 (en) | Semiconductor device having a safety device | |
US20070158779A1 (en) | Methods and semiconductor structures for latch-up suppression using a buried damage layer | |
US7242071B1 (en) | Semiconductor structure | |
JPH10294430A (ja) | Soi集積回路のesd保護用の双安定擬似scrスイッチ | |
TW201019422A (en) | Semiconductor device and method for manufacturing the same | |
US20140347771A1 (en) | Protection device and related fabrication methods | |
US6365939B1 (en) | Semiconductor protection device | |
US5786265A (en) | Methods of forming integrated semiconductor devices having improved channel-stop regions therein, and devices formed thereby | |
US8982516B2 (en) | Area-efficient high voltage bipolar-based ESD protection targeting narrow design windows | |
US5221635A (en) | Method of making a field-effect transistor | |
US6410964B1 (en) | Semiconductor device capable of preventing gate oxide film from damage by plasma process and method of manufacturing the same | |
US20140346560A1 (en) | Protection device and related fabrication methods | |
US20060125014A1 (en) | Diode with low junction capacitance | |
EP1213760B1 (en) | Selective substrate implant process for decoupling analog and digital grounds | |
JP2009135493A (ja) | 静電気放電保護素子及びその製造方法 | |
KR100281106B1 (ko) | 이에스디보호회로및그제조방법 | |
US6894318B2 (en) | Diode having a double implanted guard ring | |
JP2617226B2 (ja) | Cmos装置の製造方法 | |
KR100249016B1 (ko) | 반도체장치의 이에스디 보호회로 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19980326 |
|
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19980326 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20000420 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20000907 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20001115 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20001116 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20031017 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20041018 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20051019 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20061026 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20071025 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20081027 Start annual number: 9 End annual number: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 20091028 Start annual number: 10 End annual number: 10 |
|
FPAY | Annual fee payment |
Payment date: 20101025 Year of fee payment: 11 |
|
PR1001 | Payment of annual fee |
Payment date: 20101025 Start annual number: 11 End annual number: 11 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |