KR100478487B1 - 반도체 소자 및 그 제조 방법 - Google Patents
반도체 소자 및 그 제조 방법 Download PDFInfo
- Publication number
- KR100478487B1 KR100478487B1 KR10-2002-0069184A KR20020069184A KR100478487B1 KR 100478487 B1 KR100478487 B1 KR 100478487B1 KR 20020069184 A KR20020069184 A KR 20020069184A KR 100478487 B1 KR100478487 B1 KR 100478487B1
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- Prior art keywords
- metal wiring
- metal
- film
- insulating layer
- 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
- H01L21/70—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
- H01L21/76829—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 characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76831—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 characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers in via holes or trenches, e.g. non-conductive sidewall 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
- H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
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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)
Abstract
Description
Claims (10)
- 반도체 기판 구조물 상에서 하부비아를 포함하는 제1절연막 상에 형성되어 상기 하부비아를 노출시키고, 설계치보다 더 넓은 폭을 가지며, 내벽의 측방으로 사이드월이 형성된 금속배선구;상기 노출된 하부비아 및 상기 사이드월 상에 형성되어 상기 금속배선구를 충진하며 상부로 갈수록 폭이 넓어지는 형상의 금속배선;상기 제1절연막 상에 형성되고 상기 금속배선과 연결되는 상부비아를 포함하는 제2절연막을 포함하는 반도체 소자.
- 제 1 항에 있어서,상기 사이드월은, 질화막, 산화막, 및 폴리실리콘막으로 이루어진 군에서 선택된 한 물질로 이루어지며, 상기 금속배선구의 바닥면 측방으로 가장 두껍게 형성된 부분이 2000-4000Å의 두께인 반도체 소자.
- 제 1 항 또는 제 2 항에 있어서,상기 금속배선은 알루미늄, 알루미늄합금 및 구리로 이루어진 군에서 선택된 한 물질로 이루어진 반도체 소자.
- 제 1 항 또는 제 2 항에 있어서,상기 상부비아 및 하부비아는 텅스텐, 알루미늄, 알루미늄합금, 및 구리로 이루어진 군에서 선택된 한 금속물질로 이루어진 반도체 소자.
- 반도체 기판 구조물 상에 형성되고 하부비아를 포함하는 제1절연막을 식각하여 상기 하부비아를 노출시키는 금속배선구를 형성하되, 상기 금속배선구를 설계치보다 더 넓은 폭으로 형성하는 단계;상기 금속배선구를 포함하여 상기 제1절연막의 상부 전면에 추가막을 증착하고 상기 추가막을 이방성 식각하여, 상기 하부비아를 노출시키고 상기 금속배선구 내벽의 측방에만 추가막을 남김으로써 사이드월을 형성하는 단계;상기 노출된 하부비아 및 사이드월 상에 제1금속물질을 증착하여 상기 금속배선구를 충진한 후, 상기 제1절연막이 노출될 때까지 상기 제1금속물질을 화학 기계적 연마 또는 에치백하여 평탄화함으로써 금속배선을 형성하는 단계;상기 금속배선을 포함한 상기 제1절연막 상부에 제2절연막을 형성하는 단계; 및상기 제2절연막을 선택적 식각하여 상기 금속배선을 노출시키는 비아홀을 형성한 후 제2금속물질을 충진하여 상부비아를 형성하는 단계를 포함하는 반도체 소자의 금속배선 형성방법.
- 제 5 항에 있어서,상기 추가막으로는, 질화막, 산화막, 및 폴리실리콘막으로 이루어진 군에서 선택된 한 물질을 2000-4000Å의 두께로 형성하는 반도체 소자의 금속배선 형성방법.
- 제 5 항 또는 제 6 항에 있어서,상기 제1금속물질은 알루미늄, 알루미늄합금 및 구리로 이루어진 군에서 선택된 한 금속물질인 반도체 소자의 금속배선 형성방법.
- 제 5 항 또는 제 6 항에 있어서,상기 제2금속물질은 텅스텐, 알루미늄, 알루미늄합금, 및 구리로 이루어진 군에서 선택된 한 금속물질인 반도체 소자의 금속배선 형성방법.
- 삭제
- 제 5 항 또는 제 6 항에 있어서,상기 상부비아를 형성할 때에는, 상기 제2절연막 상에 감광막을 도포하고 노광 및 현상하여 상기 금속배선 상부에 위치하는 상부비아로 예정된 영역을 노출시키는 감광막 패턴을 형성한 후, 상기 감광막 패턴을 마스크로 하여 상기 제2절연막을 식각함으로써 상기 금속배선을 노출시키는 비아홀을 형성하는 반도체 소자의 금속배선 형성방법.
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KR10-2002-0069184A KR100478487B1 (ko) | 2002-11-08 | 2002-11-08 | 반도체 소자 및 그 제조 방법 |
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KR20040040854A KR20040040854A (ko) | 2004-05-13 |
KR100478487B1 true KR100478487B1 (ko) | 2005-03-28 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970052267A (ko) * | 1995-12-16 | 1997-07-29 | 김주용 | 미세 콘택홀 형성 방법 |
KR19980060729A (ko) * | 1996-12-31 | 1998-10-07 | 김광호 | 반도체장치의 금속배선 형성방법 |
KR20000008175A (ko) * | 1998-07-10 | 2000-02-07 | 윤종용 | 반도체 장치의 콘택 형성 방법 및 그 구조 |
KR20000043039A (ko) * | 1998-12-28 | 2000-07-15 | 김영환 | 반도체 소자의 콘택 홀 형성 방법 |
KR20030015703A (ko) * | 2001-08-17 | 2003-02-25 | 삼성전자주식회사 | 다층 배선 절연막 구조체 및 그 형성 방법 |
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2002
- 2002-11-08 KR KR10-2002-0069184A patent/KR100478487B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970052267A (ko) * | 1995-12-16 | 1997-07-29 | 김주용 | 미세 콘택홀 형성 방법 |
KR19980060729A (ko) * | 1996-12-31 | 1998-10-07 | 김광호 | 반도체장치의 금속배선 형성방법 |
KR20000008175A (ko) * | 1998-07-10 | 2000-02-07 | 윤종용 | 반도체 장치의 콘택 형성 방법 및 그 구조 |
KR20000043039A (ko) * | 1998-12-28 | 2000-07-15 | 김영환 | 반도체 소자의 콘택 홀 형성 방법 |
KR20030015703A (ko) * | 2001-08-17 | 2003-02-25 | 삼성전자주식회사 | 다층 배선 절연막 구조체 및 그 형성 방법 |
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