KR100632658B1 - 반도체 소자의 금속배선 형성방법 - Google Patents
반도체 소자의 금속배선 형성방법 Download PDFInfo
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- KR100632658B1 KR100632658B1 KR1020040114948A KR20040114948A KR100632658B1 KR 100632658 B1 KR100632658 B1 KR 100632658B1 KR 1020040114948 A KR1020040114948 A KR 1020040114948A KR 20040114948 A KR20040114948 A KR 20040114948A KR 100632658 B1 KR100632658 B1 KR 100632658B1
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- film
- etch stop
- hard mask
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- forming
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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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
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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
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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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- 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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- 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)
- Semiconductor Memories (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (8)
- 반도체 기판 상부에 제1 식각 정지막, 제1 층간 절연막, 제2 층간 절연막, 제2 식각 정지막, 버퍼 산화막, 하드마스크용 제1 도전막을 순차적으로 형성하는 단계;상기 결과물에서 상기 제1 식각 정지막 상부가 노출될 때까지 패터닝하여 콘택홀을 정의하는 단계;상기 패터닝된 막질들을 식각 마스크로 상기 제1 식각 정지막을 패터닝하여 상기 반도체 기판을 노출시키는 단계;상기 결과물 상부에 상기 하드마스크용 제1 도전막과 동일한 도전막을 형성하고, 상기 버퍼 산화막이 노출될 때까지 평탄화 공정을 수행하여 콘택 플러그를 정의하는 단계;상기 콘택 플러그가 형성된 결과물 상부에 제3 층간 절연막, 하드마스크용 제2 도전막 및 반사방지막을 순차적으로 형성하는 단계;상기 반사방지막을 패터닝하여 트렌치가 형성될 영역을 정의하면서 동시에 사다리꼴 형상의 프로파일을 갖는 반사방지막으로 형성하는 단계;상기 사다리꼴 형상의 프로파일을 갖는 반사방지막을 식각 마스크로 상기 하드마스크용 제2 도전막을 패터닝하는 단계;상기 결과물에서 상기 제2 식각 정지막 상부가 노출될 때까지 패터닝하여 상기 콘택 플러그가 노출되는 트렌치를 정의하는 단계; 및상기 결과물 상부에 상기 하드마스크용 제2 도전막과 동일한 도전막을 형성하고, 상기 제3 층간 절연막이 노출될 때까지 평탄화 공정을 수행하여 금속배선을 정의하는 단계를 포함하는 반도체 소자의 금속배선 형성방법.
- 제1 항에 있어서, 상기 하드마스크용 제1 도전막은폴리실리콘막인 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
- 제1 항에 있어서, 상기 하드마스크용 제2 도전막은텅스텐막인 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
- 제1 항에 있어서, 상기 사다리꼴 형상의 프로파일을 갖는 반사방지막의 패터닝 공정은HBr가스를 사용한 식각공정을 통해 수행하는 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
- 제1 항 또는 제3 항에 있어서, 상기 하드 마스크의 패터닝 공정은SF6, Cl2, O2, BCl3 및 N2 의 조합으로 형성된 화합물을 통해 수행되는 식각공정인 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
- 제1 항에 있어서, 상기 제2 식각 정지막이 노출될 때까지만 수행하는 식각 공정은 C4F8, CH2F2, Ar 및 O2의 혼합가스, C4 F8, CH2F2 및 Ar의 혼합가스, C5F8, Ar 및 O2 의 혼합가스, C5F8, Ar 및 O2 CH2F2 의 혼합가스 중 어느 하나의 혼합가스를 통해 수행하는 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
- 제1 항 또는 제2 항에 있어서,상기 버퍼산화막이 노출될 때까지 수행되는 상기 폴리실리콘막의 평탄화 공정시 상기 폴리실리콘막인 하드 마스크까지 제거되는 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
- 제1 항 또는 제3 항에 있어서,상기 제2 식각정지막이 노출될 때까지 수행되는 상기 텅스텐막의 평탄화 공정시 상기 텅스텐막인 하드 마스크까지 제거되는 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040114948A KR100632658B1 (ko) | 2004-12-29 | 2004-12-29 | 반도체 소자의 금속배선 형성방법 |
JP2005158749A JP2006190939A (ja) | 2004-12-29 | 2005-05-31 | 半導体素子の製造方法 |
TW094119502A TWI292175B (en) | 2004-12-29 | 2005-06-13 | Method of manufacturing semiconductor device |
DE102005028630A DE102005028630A1 (de) | 2004-12-29 | 2005-06-20 | Verfahren zur Herstellung eines Halbleiterbauelements |
US11/159,225 US20060141766A1 (en) | 2004-12-29 | 2005-06-23 | Method of manufacturing semiconductor device |
Applications Claiming Priority (1)
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KR1020040114948A KR100632658B1 (ko) | 2004-12-29 | 2004-12-29 | 반도체 소자의 금속배선 형성방법 |
Publications (2)
Publication Number | Publication Date |
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KR20060076499A KR20060076499A (ko) | 2006-07-04 |
KR100632658B1 true KR100632658B1 (ko) | 2006-10-12 |
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KR1020040114948A Expired - Fee Related KR100632658B1 (ko) | 2004-12-29 | 2004-12-29 | 반도체 소자의 금속배선 형성방법 |
Country Status (5)
Country | Link |
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US (1) | US20060141766A1 (ko) |
JP (1) | JP2006190939A (ko) |
KR (1) | KR100632658B1 (ko) |
DE (1) | DE102005028630A1 (ko) |
TW (1) | TWI292175B (ko) |
Families Citing this family (13)
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US7510928B2 (en) * | 2006-05-05 | 2009-03-31 | Tru-Si Technologies, Inc. | Dielectric trenches, nickel/tantalum oxide structures, and chemical mechanical polishing techniques |
US8030203B2 (en) | 2007-03-06 | 2011-10-04 | Hynix Semiconductor Inc. | Method of forming metal line of semiconductor device |
KR100863419B1 (ko) | 2007-03-20 | 2008-10-14 | 주식회사 하이닉스반도체 | 반도체 소자의 금속 배선 형성 방법 |
JP5248902B2 (ja) | 2007-10-11 | 2013-07-31 | 東京エレクトロン株式会社 | 基板処理方法 |
JP2010041028A (ja) | 2008-07-11 | 2010-02-18 | Tokyo Electron Ltd | 基板処理方法 |
JP5102720B2 (ja) | 2008-08-25 | 2012-12-19 | 東京エレクトロン株式会社 | 基板処理方法 |
JP5180121B2 (ja) | 2009-02-20 | 2013-04-10 | 東京エレクトロン株式会社 | 基板処理方法 |
JP5275093B2 (ja) | 2009-03-13 | 2013-08-28 | 東京エレクトロン株式会社 | 基板処理方法 |
JP5275094B2 (ja) | 2009-03-13 | 2013-08-28 | 東京エレクトロン株式会社 | 基板処理方法 |
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US7432194B2 (en) * | 2005-06-10 | 2008-10-07 | United Microelectronics Corp. | Etching method and method for forming contact opening |
US7531448B2 (en) * | 2005-06-22 | 2009-05-12 | United Microelectronics Corp. | Manufacturing method of dual damascene structure |
-
2004
- 2004-12-29 KR KR1020040114948A patent/KR100632658B1/ko not_active Expired - Fee Related
-
2005
- 2005-05-31 JP JP2005158749A patent/JP2006190939A/ja active Pending
- 2005-06-13 TW TW094119502A patent/TWI292175B/zh active
- 2005-06-20 DE DE102005028630A patent/DE102005028630A1/de not_active Withdrawn
- 2005-06-23 US US11/159,225 patent/US20060141766A1/en not_active Abandoned
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KR20000050330A (ko) * | 1999-01-06 | 2000-08-05 | 윤종용 | 반도체 장치의 콘택 형성 방법 |
KR20030053542A (ko) * | 2001-12-22 | 2003-07-02 | 주식회사 하이닉스반도체 | 구리 금속배선 형성방법 |
KR20030058523A (ko) * | 2001-12-31 | 2003-07-07 | 주식회사 하이닉스반도체 | 듀얼 다마신공정에 의한 다층 금속배선의 형성 방법 |
KR20050056392A (ko) * | 2003-12-10 | 2005-06-16 | 주식회사 하이닉스반도체 | 반도체 소자의 금속배선 형성방법 |
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Also Published As
Publication number | Publication date |
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TW200623211A (en) | 2006-07-01 |
US20060141766A1 (en) | 2006-06-29 |
JP2006190939A (ja) | 2006-07-20 |
KR20060076499A (ko) | 2006-07-04 |
DE102005028630A1 (de) | 2006-07-13 |
TWI292175B (en) | 2008-01-01 |
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