KR0140445B1 - 반도체장치의 금속배선 형성방법 및 구조 - Google Patents
반도체장치의 금속배선 형성방법 및 구조Info
- Publication number
- KR0140445B1 KR0140445B1 KR1019940000927A KR19940000927A KR0140445B1 KR 0140445 B1 KR0140445 B1 KR 0140445B1 KR 1019940000927 A KR1019940000927 A KR 1019940000927A KR 19940000927 A KR19940000927 A KR 19940000927A KR 0140445 B1 KR0140445 B1 KR 0140445B1
- Authority
- KR
- South Korea
- Prior art keywords
- metal wiring
- layer
- semiconductor device
- via hole
- sidewalls
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
- H01L21/76844—Bottomless liners
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76853—Barrier, adhesion or liner layers characterized by particular after-treatment steps
- H01L21/76855—After-treatment introducing at least one additional element into the layer
- H01L21/76859—After-treatment introducing at least one additional element into the layer by ion implantation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (8)
- 반도체장치 금속배선 형성방법에 있어서, 하지층 상에 절연막을 증착하고 상기 절연막을 선택적으로 식각하여 비아홀을 형성하는 단계와, 전면에 폴리실리콘막을 형성하고, 상기 폴리실리콘막에 실리콘 이온을 주입하는 단계와, 상기이온 주입된 폴리실리콘막을 비등방성식각하여 상기 비아홀 측벽에 사이드월을 형성하는 단계와, 상기 사이드월에 주입된 이온을 시드로 금속층을 선택적으로 증착하는단계와, 상기 금속층 및 절연막 상에 상부금속배선을 형성하는 단계를 포함하여 이루어진 반도체장치의 금속배선 형성방법.
- 제1항에 있어서, 상기 폴리실리콘막에 실리콘 이온 대신에 텅스텐이온을 주입하는 것을 특징으로 하는 반도체장치의 금속배선 형성방법.
- 제1항에 있어서, 상기 이온주입은 폴리실리콘막과 폴리실리콘-하지층의경계면 바로아래에서 이온농도가 최대가 되도록 실시하는 것을 특징으로 하는 반도체 장치의금속배선 형성방법.
- 반도체장치의 금속배선에 있어서, 상부금속배선과 연결될 부위를 가진 하지층과, 상기하지층상에 위치하고 상기 상부금속배선과 연결될 부위를 개방하는 비아홀을 가진 절연막과, 상기절연막과 접촉하며 상기 비아홀 측벽에 형성한 이온주입 폴리실리콘으로 이루어진 사이드월과, 상기 비아홀 저부 및 사이드월 상에 형성한 금속층과, 상기 금속층 위에 형성한 상부금속배선을 포함하여 이루어진 반도체장치의 금속배선 구조.
- 제4항에 있어서, 상기 금속층은 선택적으로 증착하여 형성한 텅스텐인 것을 특징으로 하는 반도체장치의 금속배선 구조.
- 제4항에 있어서, 상기 이온은 실리콘 또는 텅스텐 이온인 것을 특징으로 하는 반도체장치의 금속배선 구조.
- 제4항에 있어서, 상기 이온주입은 폴리실리콘과 폴리실리콘-하지층의 경계면 바로 아래에서 이온농도가 최대인 것을 특징으로 하는 반도체장치의 금속배선 구조.
- 제1항에 있어서, 상기 금속층은 불화 텅스텐(WF6)인 것을 특징으로하는 반도체장치의 금속배선 구조.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940000927A KR0140445B1 (ko) | 1994-01-19 | 1994-01-19 | 반도체장치의 금속배선 형성방법 및 구조 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940000927A KR0140445B1 (ko) | 1994-01-19 | 1994-01-19 | 반도체장치의 금속배선 형성방법 및 구조 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950024269A KR950024269A (ko) | 1995-08-21 |
KR0140445B1 true KR0140445B1 (ko) | 1998-07-15 |
Family
ID=19375919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940000927A KR0140445B1 (ko) | 1994-01-19 | 1994-01-19 | 반도체장치의 금속배선 형성방법 및 구조 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0140445B1 (ko) |
-
1994
- 1994-01-19 KR KR1019940000927A patent/KR0140445B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR950024269A (ko) | 1995-08-21 |
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