KR100567537B1 - 반도체 소자의 금속배선 형성방법 - Google Patents
반도체 소자의 금속배선 형성방법 Download PDFInfo
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- KR100567537B1 KR100567537B1 KR1020030074775A KR20030074775A KR100567537B1 KR 100567537 B1 KR100567537 B1 KR 100567537B1 KR 1020030074775 A KR1020030074775 A KR 1020030074775A KR 20030074775 A KR20030074775 A KR 20030074775A KR 100567537 B1 KR100567537 B1 KR 100567537B1
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- 238000000034 method Methods 0.000 title claims abstract description 61
- 239000002184 metal Substances 0.000 title claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 35
- 239000004065 semiconductor Substances 0.000 title claims abstract description 12
- 239000010410 layer Substances 0.000 claims abstract description 46
- 230000008569 process Effects 0.000 claims abstract description 46
- 238000004140 cleaning Methods 0.000 claims abstract description 28
- 239000011229 interlayer Substances 0.000 claims abstract description 23
- 238000009792 diffusion process Methods 0.000 claims abstract description 19
- 230000004888 barrier function Effects 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052802 copper Inorganic materials 0.000 claims abstract description 15
- 239000010949 copper Substances 0.000 claims abstract description 15
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 9
- 238000000059 patterning Methods 0.000 claims abstract description 6
- 238000009713 electroplating Methods 0.000 claims abstract description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 9
- 238000000992 sputter etching Methods 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 238000004544 sputter deposition Methods 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 13
- 150000004706 metal oxides Chemical class 0.000 abstract description 13
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 238000002407 reforming Methods 0.000 abstract 1
- 238000005530 etching Methods 0.000 description 18
- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 241000283014 Dama Species 0.000 description 2
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- JNSGIVNNHKGGRU-JYRVWZFOSA-N diethoxyphosphinothioyl (2z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetate Chemical compound CCOP(=S)(OCC)OC(=O)C(=N/OC)\C1=CSC(N)=N1 JNSGIVNNHKGGRU-JYRVWZFOSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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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
- H01L21/76802—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
- H01L21/76814—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 post-treatment or after-treatment, e.g. cleaning or removal of oxides on underlying conductors
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/0206—Cleaning during device manufacture during, before or after processing of insulating layers
- H01L21/02063—Cleaning during device manufacture during, before or after processing of insulating layers the processing being the formation of vias or contact holes
-
- 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
- H01L21/31105—Etching inorganic layers
-
- 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
- H01L21/76807—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 for dual damascene structures
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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)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (4)
- 제1 금속배선이 형성된 제1 층간 절연막 상에 확산 방지막, 제2 층간절연막 및 캡핑막을 순차적으로 형성하는 단계;상기 형성된 결과물의 제1 금속배선이 노출되도록 상기 캡핑막, 제2 층간 절연막 및 확산 방지막을 패터닝하여 비아홀을 형성하는 단계;상기 비아홀이 형성된 결과물에 상기 제2 층간 절연막의 소정 표면이 노출되도록 상기 캡핑막, 제2 층간절연막의 소정 깊이를 패터닝하여 트렌치 패턴을 형성하는 단계;상기 형성된 비아홀 및 트렌치 패턴이 형성된 결과물에 저전압 스퍼터링 공정을 수행하여, 상기 비아홀의 입구 및 트렌치 패턴의 입구가 각각 넓어지도록 상기 비아홀 및 트렌치 패턴을 재형성하는 단계;상기 재형성된 비아홀 및 트렌치 패턴에 수소 라디컬을 이용한 세정공정을 수행하는 단계; 및상기 제2 세정정이 완료된 비아홀 및 트렌치 패턴에 확산 방지막 및 구리 시드층을 순차적으로 형성한 후 전기도금공정을 통해 구리층을 형성하여 비아 및 트렌치의 형성을 완료하는 단계를 포함하는 반도체 소자의 금속배선 형성방법.
- 제1 항에 있어서, 상기 저전압 스퍼터링 공정은10~ 50V 정도의 바이어스 전압, 아르곤 가스를 소스 가스로 스퍼터 식각공정인 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
- 제1 항에 있어서, 상기 재형성된 비아홀 및 트렌치 패턴은Y형의 구조를 갖도록 하는 것을 특징으로 하는 반도체 소자의 금속배선 형성방법.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030074775A KR100567537B1 (ko) | 2003-10-24 | 2003-10-24 | 반도체 소자의 금속배선 형성방법 |
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KR1020030074775A KR100567537B1 (ko) | 2003-10-24 | 2003-10-24 | 반도체 소자의 금속배선 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050039338A KR20050039338A (ko) | 2005-04-29 |
KR100567537B1 true KR100567537B1 (ko) | 2006-04-05 |
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KR1020030074775A KR100567537B1 (ko) | 2003-10-24 | 2003-10-24 | 반도체 소자의 금속배선 형성방법 |
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KR (1) | KR100567537B1 (ko) |
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- 2003-10-24 KR KR1020030074775A patent/KR100567537B1/ko active IP Right Grant
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KR20050039338A (ko) | 2005-04-29 |
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