KR100539447B1 - 반도체 소자의 금속 배선 형성방법 - Google Patents
반도체 소자의 금속 배선 형성방법 Download PDFInfo
- Publication number
- KR100539447B1 KR100539447B1 KR10-2003-0049321A KR20030049321A KR100539447B1 KR 100539447 B1 KR100539447 B1 KR 100539447B1 KR 20030049321 A KR20030049321 A KR 20030049321A KR 100539447 B1 KR100539447 B1 KR 100539447B1
- Authority
- KR
- South Korea
- Prior art keywords
- forming
- film
- damascene pattern
- insulating film
- copper
- 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
- H01L21/76801—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
- H01L21/76801—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
-
- 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
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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
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
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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 (4)
- 층간 절연막에 싱글 다마신 패턴이 형성된 기판이 제공되는 단계;싱글 다마신 패턴을 포함한 상기 층간 절연막 표면을 따라 Al2O3막을 형성하는 단계;상기 Al2O3막을 건식 식각하여 상기 싱글 다마신 패턴의 측벽에 Al2O3막 스페이서를 형성하는 단계; 및전체 구조 상부에 구리 확산 방지 도전막을 형성한 후 상기 싱글 다마신 패턴이 충분히 매립되도록 구리를 형성하고 연마하여 구리 배선을 형성하는 단계를 포함하는 반도체 소자의 금속 배선 형성방법.
- 하부 구리 배선이 형성된 기판상에 구리 확산방지 절연막 및 층간 절연막을 형성하는 단계;상기 층간 절연막에 비아홀을 형성하는 단계;상기 비아홀을 포함한 상기 층간 절연막의 표면을 따라 Al2O3막을 형성하는 단계;상기 Al2O3막을 건식 식각하여 상기 비아홀의 측벽에 Al2O3막 스페이서를 형성하는 단계;상기 Al2O3막 스페이서를 갖는 비아홀 부분의 상기 층간 절연막을 일정 두께 식각하여 트렌치를 형성하고, 이로 인하여 상기 비아홀 및 상기 트렌치로 이루어진 듀얼 다마신 패턴을 형성하는 단계;전체 구조 상부에 구리 확산 방지 도전막을 형성한 후 상기 듀얼 다마신 패턴이 충분히 매립되도록 구리를 형성하고 연마하여 상구 구리 배선을 형성하는 단계를 포함하는 반도체 소자의 금속 배선 형성방법.
- 제 1 항 또는 제 2 항에 있어서,상기 Al2O3막은 화학기상증착(CVD)법이나 단원자층증착(ALD)법으로 Al2O3를 1 ~ 30 nm의 두께로 증착하여 형성하는 반도체 소자의 금속 배선 형성방법.
- 제 1 항 또는 제 2 항에 있어서,상기 건식 식각 공정은 10 ~ 100 sccm의 CHF3, 30 ~ 300 sccm의 CF4 및 300 ~ 2000 sccm의 Ar 기체들 이용하여 0.01 ~ 100 Torr의 압력과 500 ~ 3000 W의 전력으로 RIE 반응기에서 실시하는 반도체 소자의 금속 배선 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0049321A KR100539447B1 (ko) | 2003-07-18 | 2003-07-18 | 반도체 소자의 금속 배선 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0049321A KR100539447B1 (ko) | 2003-07-18 | 2003-07-18 | 반도체 소자의 금속 배선 형성방법 |
Publications (2)
Publication Number | Publication Date |
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KR20050009572A KR20050009572A (ko) | 2005-01-25 |
KR100539447B1 true KR100539447B1 (ko) | 2005-12-27 |
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KR10-2003-0049321A KR100539447B1 (ko) | 2003-07-18 | 2003-07-18 | 반도체 소자의 금속 배선 형성방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100935196B1 (ko) * | 2008-01-18 | 2010-01-06 | 주식회사 하이닉스반도체 | 반도체 소자의 금속배선 형성방법 |
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2003
- 2003-07-18 KR KR10-2003-0049321A patent/KR100539447B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100935196B1 (ko) * | 2008-01-18 | 2010-01-06 | 주식회사 하이닉스반도체 | 반도체 소자의 금속배선 형성방법 |
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Publication number | Publication date |
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KR20050009572A (ko) | 2005-01-25 |
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