KR20050009573A - 반도체 소자의 금속배선 형성 방법 - Google Patents
반도체 소자의 금속배선 형성 방법 Download PDFInfo
- Publication number
- KR20050009573A KR20050009573A KR1020030049323A KR20030049323A KR20050009573A KR 20050009573 A KR20050009573 A KR 20050009573A KR 1020030049323 A KR1020030049323 A KR 1020030049323A KR 20030049323 A KR20030049323 A KR 20030049323A KR 20050009573 A KR20050009573 A KR 20050009573A
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- South Korea
- Prior art keywords
- film
- forming
- trench
- copper seed
- interlayer insulating
- Prior art date
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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
- H01L21/76838—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
- H01L21/76871—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers
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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
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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
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 (5)
- 금속배선용 트렌치가 형성된 반도체 기판이 제공되는 단계;전체 구조상에 그 단차를 따라 구리 시드막을 형성하는 단계;연마재가 없는 슬러리를 이용한 화학 기계적 연막공정을 실시하여 상기 금속배선용 트렌치 내부를 제외한 영역의 상기 구리 시드막을 제거하는 단계; 및금속도금방법을 이용하여 상기 금속배선용 트렌치 내부에 선택적으로 금속막을 형성하는 단계를 포함하는 반도체 소자의 금속 배선 형성방법.
- 반도체 기판상에 제 1 층간 절연막, 식각정지막 및 제 2 층간 절연막을 순차적으로 형성하는 단계;상기 제 2 층간 절연막, 상기 식각정지막 및 상기 제 1 층간 절연막을 패터닝하여 비아홀을 형성하는 단계;상기 제 2 층간 절연막 및 상기 식각정지막을 패터닝 하여 상기 비아홀보다 개구부가 넓은 트렌치를 형성하는 단계;전체 구조상에 그 단차를 따라 구리 시드막을 형성하는 단계;연마재가 없는 슬러리를 이용한 화학 기계적 연마공정을 통해 상기 제 2 층간 절연막 상의 상기 구리 시드막을 제거하는 단계; 및금속도금법을 이용하여 상기 구리 시드막이 잔류하는 상기 트렌치와 상기 비아홀 내부에만 구리막을 형성하여 듀얼 다마신 패턴의 금속배선을 형성하는 단계를 포함하는 반도체 소자의 금속배선 형성 방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 연마재가 없는 슬러리를 이용한 화학 기계적 연마공정은,제 1 부식 방지제를 소정시간동안 상기 구리 시드막이 형성된 반도체 기판에 공급하는 단계; 및상기 부식 방지제의 공급을 중단한 다음, 상기 연마재가 없는 슬러리를 공급하여 화학 기계적 연마공정을 실시하여 상기 구리 시드막을 제거하는 단계를 포함하되, 상기 구리 시드막의 절 반정도가 제거되었을 때, 제 2 부식 방지제를 소정 시간동안 더 공급하는 반도체 소자의 금속배선 형성 방법.
- 제 3 항에 있어서,상기 연마제가 없는 슬러리에 H2O2의 구리 산화제를 1 내지 50wt% 정도 혼합하여 사용하는 반도체 소자의 금속배선 형성 방법.
- 제 3 항에 있어서,상기 제 1 부식 방지제로 0.01 내지 1wt% 농도의 BTA용액을 사용하고, 상기 제 2 부식 방지제로 0.01 내지 0.1wt% 농도의 BTA용액을 사용하는 반도체 소자의 금속배선 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030049323A KR101100703B1 (ko) | 2003-07-18 | 2003-07-18 | 반도체 소자의 금속배선 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020030049323A KR101100703B1 (ko) | 2003-07-18 | 2003-07-18 | 반도체 소자의 금속배선 형성 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20050009573A true KR20050009573A (ko) | 2005-01-25 |
KR101100703B1 KR101100703B1 (ko) | 2011-12-30 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020030049323A KR101100703B1 (ko) | 2003-07-18 | 2003-07-18 | 반도체 소자의 금속배선 형성 방법 |
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KR (1) | KR101100703B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100818996B1 (ko) * | 2006-06-19 | 2008-04-04 | 삼성전자주식회사 | 금속배선 연마용 슬러리 |
KR100889544B1 (ko) * | 2006-12-29 | 2009-03-23 | 동부일렉트로닉스 주식회사 | 반도체 소자 형성방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11424133B2 (en) | 2019-07-25 | 2022-08-23 | Samsung Electronics Co., Ltd. | Metal structure and method of manufacturing the same and metal wire and semiconductor device and electronic device |
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2003
- 2003-07-18 KR KR1020030049323A patent/KR101100703B1/ko active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100818996B1 (ko) * | 2006-06-19 | 2008-04-04 | 삼성전자주식회사 | 금속배선 연마용 슬러리 |
KR100889544B1 (ko) * | 2006-12-29 | 2009-03-23 | 동부일렉트로닉스 주식회사 | 반도체 소자 형성방법 |
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Publication number | Publication date |
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KR101100703B1 (ko) | 2011-12-30 |
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