KR100461331B1 - 반도체소자의도전배선형성방법 - Google Patents
반도체소자의도전배선형성방법 Download PDFInfo
- Publication number
- KR100461331B1 KR100461331B1 KR1019950066144A KR19950066144A KR100461331B1 KR 100461331 B1 KR100461331 B1 KR 100461331B1 KR 1019950066144 A KR1019950066144 A KR 1019950066144A KR 19950066144 A KR19950066144 A KR 19950066144A KR 100461331 B1 KR100461331 B1 KR 100461331B1
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- South Korea
- Prior art keywords
- forming
- layer
- conductive wiring
- etching
- polycrystalline silicon
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (5)
- 반도체기판 상부에 층간절연막과 소정 두께의 제1다결정실리콘층을 형성하는 공정과,콘택마스크를 이용한 사진식각공정으로 상기 제1다결정실리콘층을 식각하여 상기 층간절연막을 노출시키는 제1다결정실리콘층패턴을 형성하는 공정과,상기 제1다결정실리콘층패턴의 상부 및 측벽에 선택적으로 텅스텐층을 형성하는 공정과,상기 텅스텐층을 식각마스크로 상기 층간절연막을 식각하여 콘택홀을 형성하는 공정과,상기 콘택홀을 매립하는 제2다결정실리콘층을 전체표면상부에 형성하는 공정과,도전배선으로 예정되는 부분을 보호하는 도전배선 마스크를 식각마스크로 상기 제2다결정실리콘층, 텅스텐층 및 제1다결정실리콘층패턴을 식각하여 도전배선을 형성하는 공정을 포함하는 반도체소자의 도전배선 형성방법.
- 반도체기판 상부에 층간절연막과 소정 두께의 제1다결정실리콘층을 형성하는 공정과,콘택마스크를 이용한 사진식각공정으로 상기 제1다결정실리콘층을 식각하여 상기 층간절연막을 노출시키는 제1다결정실리콘층패턴을 형성하는 공정과,상기 제1다결정실리콘층패턴의 상부 및 측벽에 선택적으로 제2다결정실리콘층을 형성하는 공정과,상기 제2다결정실리콘층을 식각마스크로 상기 층간절연막을 식각하여 콘택홀을 형성하는 공정과,상기 콘택홀을 매립하는 제3다결정실리콘층을 전체표면상부에 형성하는 공정과,도전배선으로 예정되는 부분을 보호하는 도전배선 마스크를 식각마스크로 상기 제3다결정실리콘층, 제2다결정실리콘층 및 제1다결정실리콘층패턴을 식각하여 도전배선을 형성하는 공정을 포함하는 반도체소자의 도전배선 형성방법.
- 제 1 항에 있어서,상기 도전배선 형성방법은 상기 텅스텐막의 두께에 의해 오버랩 및 공정마진이 조절되는 것을 특징으로 하는 반도체소자의 도전배선 형성방법.
- 제 1 항에 있어서,상기 제1다결정실리콘층은 불순물이 도핑된 다결정실리콘층인 것을 특징으로 하는 반도체소자의 도전배선 형성방법.
- 제 1 항에 있어서,상기 텅스텐층은 250 내지 400 ℃ 온도에서 WF6, SiH2 및 H2(Ar) 혼합기체를 반응기체로 사용하는 LPCVD 방법으로 형성되는 것을 특징으로 하는 반도체소자의 도전배선 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950066144A KR100461331B1 (ko) | 1995-12-29 | 1995-12-29 | 반도체소자의도전배선형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950066144A KR100461331B1 (ko) | 1995-12-29 | 1995-12-29 | 반도체소자의도전배선형성방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100461331B1 true KR100461331B1 (ko) | 2005-04-06 |
Family
ID=37301904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950066144A Expired - Fee Related KR100461331B1 (ko) | 1995-12-29 | 1995-12-29 | 반도체소자의도전배선형성방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100461331B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH045823A (ja) * | 1990-03-23 | 1992-01-09 | Toshiba Corp | 半導体装置及びその製造方法 |
JPH0453130A (ja) * | 1990-06-16 | 1992-02-20 | Nec Corp | 半導体装置およびその製造方法 |
JPH04113426A (ja) * | 1990-09-04 | 1992-04-14 | Nec Corp | ライブラリ型ファイルのディレクトリ拡張方式 |
JPH0661191A (ja) * | 1992-08-04 | 1994-03-04 | Hitachi Ltd | 半導体装置の製造方法 |
-
1995
- 1995-12-29 KR KR1019950066144A patent/KR100461331B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH045823A (ja) * | 1990-03-23 | 1992-01-09 | Toshiba Corp | 半導体装置及びその製造方法 |
JPH0453130A (ja) * | 1990-06-16 | 1992-02-20 | Nec Corp | 半導体装置およびその製造方法 |
JPH04113426A (ja) * | 1990-09-04 | 1992-04-14 | Nec Corp | ライブラリ型ファイルのディレクトリ拡張方式 |
JPH0661191A (ja) * | 1992-08-04 | 1994-03-04 | Hitachi Ltd | 半導体装置の製造方法 |
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