KR20000043056A - 반도체 소자의 구리 배선 형성 방법 - Google Patents
반도체 소자의 구리 배선 형성 방법 Download PDFInfo
- Publication number
- KR20000043056A KR20000043056A KR1019980059359A KR19980059359A KR20000043056A KR 20000043056 A KR20000043056 A KR 20000043056A KR 1019980059359 A KR1019980059359 A KR 1019980059359A KR 19980059359 A KR19980059359 A KR 19980059359A KR 20000043056 A KR20000043056 A KR 20000043056A
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- Prior art keywords
- copper
- layer
- electroplating
- forming
- wafer
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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
- H01L21/76838—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
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
- H01L21/76879—Filling of holes, grooves or trenches, e.g. vias, with conductive material by selective deposition of conductive material in the vias, e.g. selective C.V.D. on semiconductor material, plating
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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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/288—Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic deposition
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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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
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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
- H01L21/76838—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
- H01L21/7684—Smoothing; Planarisation
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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
- H01L21/76838—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
- H01L21/76846—Layer combinations
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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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- 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 (6)
- 비아홀 및 트렌치가 형성된 웨이퍼가 제공되는 단계;상기 웨이퍼 표면에 배리어 메탈층 및 구리 시드층을 형성하는 단계;상기 웨이퍼의 전기포텐셜을 음극으로 유지시켜 구리를 전해도금하고, 이로 인하여 구리층이 형성되는 단계;상기 웨이퍼의 전기포텐셜을 양극으로 유지시켜 웨이퍼 표면에 도금된 불필요한 구리층의 부분을 전해폴리싱으로 제거하고, 이로 인하여 상기 비아홀 및 트렌치에 구리 플러그와 구리 배선이 형성되는 단계; 및상기 구리 배선 상에 캡핑층을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 구리 배선 형성 방법.
- 제 1 항에 있어서,상기 배리어 메탈층 및 상기 캡핑층 각각은 탄탈륨(Ta) 및 탄탈륨 나이트라이드(TaN)를 순차적으로 증착하여 형성되는 것을 특징으로 하는 반도체 소자의 구리 배선 형성 방법.
- 제 1 항에 있어서,상기 구리 시드층은 무전해 도금, 스퍼터링 및 화학 기상 증착(CVD) 방법중 어느 하나의 방법으로 형성되는 것을 특징으로 하는 반도체 소자의 구리 배선 형성 방법.
- 제 1 항에 있어서,상기 구리 전해도금 공정은 황산동 200 내지 50g/ℓ와 황산 40 내지 75g/ℓ로 이루어진 구리 전해도금 용액과, 20 내지 70℃의 도금온도와, 1 내지 10A/dm2의 음극 전류밀도 조건에서 진행되는 것을 특징으로 하는 반도체 소자의 구리 배선 형성 방법.
- 제 1 항에 있어서,상기 전해폴리싱 공정은 전해도금 용액, 질산과 메탄올의 혼합용액, 및 인산과 물의 혼합용액중 어느 하나의 용액을 사용하여 진행되는 것을 특징으로 하는 반도체 소자의 구리 배선 형성 방법.
- 제 1 항에 있어서,상기 전해도금 공정과 상기 전해폴리싱 공정을 적어도 2회 이상 반복 실시하여 구리 플러그와 구리 배선을 형성하는 것을 추가로 포함하는 반도체 소자의 구리 배선 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980059359A KR100283108B1 (ko) | 1998-12-28 | 1998-12-28 | 반도체소자의 구리배선 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980059359A KR100283108B1 (ko) | 1998-12-28 | 1998-12-28 | 반도체소자의 구리배선 형성방법 |
Publications (2)
Publication Number | Publication Date |
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KR20000043056A true KR20000043056A (ko) | 2000-07-15 |
KR100283108B1 KR100283108B1 (ko) | 2001-04-02 |
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Application Number | Title | Priority Date | Filing Date |
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KR1019980059359A KR100283108B1 (ko) | 1998-12-28 | 1998-12-28 | 반도체소자의 구리배선 형성방법 |
Country Status (1)
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KR (1) | KR100283108B1 (ko) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100406592B1 (ko) * | 2001-12-03 | 2003-11-20 | 김재정 | 반도체 금속막 형성방법 |
KR20030095005A (ko) * | 2002-06-11 | 2003-12-18 | 김재정 | 반도체 배선용 금속막 형성 방법 |
KR100445839B1 (ko) * | 2001-12-28 | 2004-08-25 | 재단법인서울대학교산학협력재단 | 반도체 배선용 은박막 형성방법 |
KR100447234B1 (ko) * | 2001-12-28 | 2004-09-04 | 주식회사 하이닉스반도체 | 반도체 소자의 금속 배선 형성방법 |
KR100690993B1 (ko) * | 2000-08-02 | 2007-03-08 | 주식회사 하이닉스반도체 | 금속캡핑층을 이용한 다마신구조의 금속배선방법 |
KR100899060B1 (ko) * | 2001-08-17 | 2009-05-25 | 에이씨엠 리서치, 인코포레이티드 | 평탄화 방법 및 전해 연마의 조합을 이용한 반도체 구조형성 방법 |
KR20200080122A (ko) * | 2018-12-26 | 2020-07-06 | 한양대학교 에리카산학협력단 | 반도체 소자의 제조 방법 |
KR20210130466A (ko) | 2020-04-22 | 2021-11-01 | 한양대학교 에리카산학협력단 | 연속 전해 장치 및 방법 |
-
1998
- 1998-12-28 KR KR1019980059359A patent/KR100283108B1/ko not_active IP Right Cessation
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100690993B1 (ko) * | 2000-08-02 | 2007-03-08 | 주식회사 하이닉스반도체 | 금속캡핑층을 이용한 다마신구조의 금속배선방법 |
KR100899060B1 (ko) * | 2001-08-17 | 2009-05-25 | 에이씨엠 리서치, 인코포레이티드 | 평탄화 방법 및 전해 연마의 조합을 이용한 반도체 구조형성 방법 |
KR100406592B1 (ko) * | 2001-12-03 | 2003-11-20 | 김재정 | 반도체 금속막 형성방법 |
KR100445839B1 (ko) * | 2001-12-28 | 2004-08-25 | 재단법인서울대학교산학협력재단 | 반도체 배선용 은박막 형성방법 |
KR100447234B1 (ko) * | 2001-12-28 | 2004-09-04 | 주식회사 하이닉스반도체 | 반도체 소자의 금속 배선 형성방법 |
KR20030095005A (ko) * | 2002-06-11 | 2003-12-18 | 김재정 | 반도체 배선용 금속막 형성 방법 |
KR20200080122A (ko) * | 2018-12-26 | 2020-07-06 | 한양대학교 에리카산학협력단 | 반도체 소자의 제조 방법 |
KR20210130466A (ko) | 2020-04-22 | 2021-11-01 | 한양대학교 에리카산학협력단 | 연속 전해 장치 및 방법 |
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Publication number | Publication date |
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KR100283108B1 (ko) | 2001-04-02 |
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