KR0146554B1 - 프로그램 가능 안티퓨즈 소자 및 그 제조방법 - Google Patents
프로그램 가능 안티퓨즈 소자 및 그 제조방법Info
- Publication number
- KR0146554B1 KR0146554B1 KR1019950009260A KR19950009260A KR0146554B1 KR 0146554 B1 KR0146554 B1 KR 0146554B1 KR 1019950009260 A KR1019950009260 A KR 1019950009260A KR 19950009260 A KR19950009260 A KR 19950009260A KR 0146554 B1 KR0146554 B1 KR 0146554B1
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- electrode layer
- titanium tungsten
- silicon
- oxide film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
- H10B20/20—Programmable ROM [PROM] devices comprising field-effect components
-
- 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
- H10D84/0144—Manufacturing their gate insulating layers
-
- 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]
- H10D84/834—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] comprising FinFETs
Landscapes
- Design And Manufacture Of Integrated Circuits (AREA)
Abstract
Description
Claims (6)
- p형 실리콘 기판과; 상기 p형 실린콘 기판 위에 형성되며, 티타늄 텅스텐으로 된 의사 전극층과; 상기 의사 전극층의 일측 위에 형성되며, 티타늄 텅스텐/실리콘을 함유한 알루미늄/티타늄 텅스텐의 다층 금속막으로 된 제1전극층과; 상기 의사 전극층의 타측 위에 형성되며, 박막의 티타늄 산화막과 실리콘 산화막으로 된 절연층과; 상기 절연층 위에 형성되며, 티타늄 텅스텐/실리콘을 함유한 알루미늄/티타늄 텅스텐의 다층 금속막으로 된 제2전극층으로 구성됨을 특징으로 하는 프로그램 가능 안티퓨즈 소자.
- 제1항에 있어서. 상기 제1전극층 및 제2전극층은 티타늄 텅스텐과, 실리콘이 함유된 알루미늄과, 티타늄 텅스텐의 삼층으로 형성됨을 특징으로 하는 프로그램 가능 안티퓨즈 소자.
- 제1항에 있어서, 절연층과 제2전극층 사이에 절연층의 실리콘 산화막을 보호하기 위한 실리콘 질화막이 부가적으로 형성됨을 특징으로 하는 프로그램 가능 안티퓨즈 소자.
- 제1항에 있어서, 상기한 제1전극층 아래의 p형 실리콘 기판에는 안티퓨즈 소자와 p형 실리콘 기판을 전기적으로 연결하기 위해, 비소가 도핑된 n형 확산 영역과 제1전극층 사이에 확산 영역과 제1전극층 사이의 접촉 저항을 줄이기 위해, 백금을 증착 및 열처리한 백금 실리사이드 층이 부가적으로 형성됨을 특징으로 하는 프로그램 가능 안티퓨즈 소자.
- p형 실리콘 기판 위에 스퍼터링 방식에 의해 티타늄 텅스텐 층이 형성되는 제1공정과, 상기 티타늄 텅스텐 층의 일측 위에 실리콘 산화막 층을 형성하는 제2공정으로 이루어지는 안티퓨즈 소자의 제조방법에 있어서, 열처리공정을 통하여 상기 제1공정과 제2공정을 통하여 형성된 실리콘 산화막과 티타늄 텅스텐 층의 접촉면을 소정두께의 티타늄 산화막 층으로 변성시키는 제3공정과; 상기 실리콘 산화막 층 위에 티타늄 텅스텐/실리콘을 함유한 알루미늄/티타늄 텅스텐으로 된 다층 금속막을 형성하는 제4공정; 및 상기 티타늄 텅스텐 층의 타측 위에 티타늄 텅스텐/실리콘을 함유한 알루미늄/티타늄 텅스텐으로 된 다층 금속막을 형성하는 제5공정으로 구성됨을 특징으로 하는 프로그램 가능 안티퓨즈 소자의 제조방법.
- 제5항에 있어서, 상기 제3공정을 통하여 티타늄 산화막 층의 두께는 열처리 공정의 온도 및 시간에 따라 가변되는 것을 특징으로 하는 프로그램 가능 안티퓨즈 소자의 제조방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950009260A KR0146554B1 (ko) | 1995-04-19 | 1995-04-19 | 프로그램 가능 안티퓨즈 소자 및 그 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950009260A KR0146554B1 (ko) | 1995-04-19 | 1995-04-19 | 프로그램 가능 안티퓨즈 소자 및 그 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR960039297A KR960039297A (ko) | 1996-11-25 |
| KR0146554B1 true KR0146554B1 (ko) | 1998-11-02 |
Family
ID=19412541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950009260A Expired - Fee Related KR0146554B1 (ko) | 1995-04-19 | 1995-04-19 | 프로그램 가능 안티퓨즈 소자 및 그 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR0146554B1 (ko) |
-
1995
- 1995-04-19 KR KR1019950009260A patent/KR0146554B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR960039297A (ko) | 1996-11-25 |
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