KR0161878B1 - 반도체장치의 콘택홀 형성방법 - Google Patents
반도체장치의 콘택홀 형성방법 Download PDFInfo
- Publication number
- KR0161878B1 KR0161878B1 KR1019950023852A KR19950023852A KR0161878B1 KR 0161878 B1 KR0161878 B1 KR 0161878B1 KR 1019950023852 A KR1019950023852 A KR 1019950023852A KR 19950023852 A KR19950023852 A KR 19950023852A KR 0161878 B1 KR0161878 B1 KR 0161878B1
- Authority
- KR
- South Korea
- Prior art keywords
- insulating layer
- contact hole
- forming
- etching
- spacer
- 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
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Classifications
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- 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
- H01L21/76801—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 dielectrics, e.g. smoothing
- H01L21/76802—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 dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76804—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 dielectrics, e.g. smoothing by forming openings in dielectrics by forming tapered via holes
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
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- 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)
- Drying Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (6)
- 기판상에 절연층을 형성하는 공정과, 상기 절연층을 소정두께만큼 남기고 선택적으로 소정깊이 식각하여 콘택홀을 형성하는 공정, 상기 콘택홀 측벽에 상기 절연층과의 식각선택비가 높은 절연물질로 된 스페이서를 형성하는 공정, 및 상기 스페이서와 절연층과의 높은 식각선택비를 이용하여 상기 남아 있는 절연층을 식각하여 최종적인 콘택홀을 형성하는 공정을 포함하는 것을 특징으로 하는 반도체장치의 콘택홀 형성방법.
- 기판상에 제1절연층과 상기 제1절연층과의 식각선택비가 높은 제2절연층을 차례로 형성하는 공정과, 상기 제2절연층상에 포토레지스트를 도포하는 공정, 상기 포토레지스트를 소정의 콘택홀 패턴으로 패터닝하는 공정, 상기 포토레지스트패턴을 마스크로 하여 상기 제1절연층을 소정두께만큼 남기고 상기 제2절연층 및 제1절연층을 식각하여 콘택홀을 형성하는 공정, 상기 포토레지스트패턴을 제거하는 공정, 상기 콘택홀 측벽에 상기 제1절연층과의 식각선택비가 높은 절연물질로 된 스페이서를 형성하는 공정, 상기 제2절연막 및 스페이서를 마스크로 하여 상기 남아 있는 제1절연층을 식각하여 최종 콘택홀을 형성하는 공정으로 이루어지는 것을 특징으로 하는 반도체장치의 콘택홀 형성방법.
- 제2항에 있어서, 상기 남아 있는 제1절연층을 식각하는 공정은 상기 제1절연층과 상기 제2절연층 및 스페이서와의 높은 식각선택비를 이용하여 행하는 것을 특징으로 하는 반도체장치의 콘택홀 형성방법.
- 제2항에 있어서, 상기 남아 있는 제1절연층을 식각하는 공정은 ICP방식을 이용한 고밀도 플라즈마 식각장비를 이용하여 행하는 것을 특징으로 하는 반도체장치의 콘택홀 형성방법.
- 제4항에 있어서, 식각 가스로 C2F6,C3F8,C4F8중에서 선택한 어느 하나를 사용하고, 소오스 파워;1800-3000W, 하부(bottom) 파워;700-1500W의 식각조건으로 식각을 행하는 것을 특징으로 하는 반도체장치의 콘택홀 형성방법.
- 제2항에 있어서, 상기 제1절연층은 산화막이고, 제2절연층은 질화막임을 특징으로 하는 반도체장치의 콘택홀 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950023852A KR0161878B1 (ko) | 1995-08-02 | 1995-08-02 | 반도체장치의 콘택홀 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950023852A KR0161878B1 (ko) | 1995-08-02 | 1995-08-02 | 반도체장치의 콘택홀 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970013022A KR970013022A (ko) | 1997-03-29 |
KR0161878B1 true KR0161878B1 (ko) | 1999-02-01 |
Family
ID=19422678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950023852A Expired - Fee Related KR0161878B1 (ko) | 1995-08-02 | 1995-08-02 | 반도체장치의 콘택홀 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0161878B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100759256B1 (ko) * | 2001-06-30 | 2007-09-17 | 매그나칩 반도체 유한회사 | 감광막 스페이서를 이용한 듀얼 다마신 패턴 형성방법 |
KR100772077B1 (ko) * | 2001-12-28 | 2007-11-01 | 매그나칩 반도체 유한회사 | 반도체 소자의 콘택홀 형성방법 |
KR100648634B1 (ko) * | 2005-01-21 | 2006-11-23 | 삼성전자주식회사 | 반도체 장치의 제조 방법 |
-
1995
- 1995-08-02 KR KR1019950023852A patent/KR0161878B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR970013022A (ko) | 1997-03-29 |
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