KR100996161B1 - 반도체 소자의 듀얼 다마신 패턴 형성 방법 - Google Patents
반도체 소자의 듀얼 다마신 패턴 형성 방법 Download PDFInfo
- Publication number
- KR100996161B1 KR100996161B1 KR1020040012704A KR20040012704A KR100996161B1 KR 100996161 B1 KR100996161 B1 KR 100996161B1 KR 1020040012704 A KR1020040012704 A KR 1020040012704A KR 20040012704 A KR20040012704 A KR 20040012704A KR 100996161 B1 KR100996161 B1 KR 100996161B1
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- KR
- South Korea
- Prior art keywords
- photoresist pattern
- forming
- trench
- pattern
- via hole
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 33
- 238000005530 etching Methods 0.000 claims abstract description 29
- 229920002120 photoresistant polymer Polymers 0.000 claims description 40
- 239000010410 layer Substances 0.000 claims description 28
- 239000011229 interlayer Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 238000009792 diffusion process Methods 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 5
- 230000001590 oxidative Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000005755 formation reaction Methods 0.000 abstract description 4
- 238000001312 dry etching Methods 0.000 description 7
- 210000002381 Plasma Anatomy 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 244000132059 Carica parviflora Species 0.000 description 2
- 235000014653 Carica parviflora Nutrition 0.000 description 2
- 229910004541 SiN Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910003465 moissanite Inorganic materials 0.000 description 2
- TWXTWZIUMCFMSG-UHFFFAOYSA-N nitride(3-) Chemical compound [N-3] TWXTWZIUMCFMSG-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 210000004027 cells Anatomy 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
- H01L21/0274—Photolithographic processes
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H01L21/76816—Aspects relating to the layout of the pattern or to the size of vias or trenches
Abstract
Description
Claims (4)
- 하부 금속 배선이 형성된 반도체 기판 상에 확산 방지막, 층간 절연막 및 하드 마스크를 순차적으로 형성하는 단계;상기 하드 마스크 상에 비아홀 영역이 정의된 제1 포토레지스트 패턴을 형성하는 단계;상기 제1 포토레지스트 패턴 상에 트렌치 영역이 정의된 제2 포토레지스트 패턴을 형성하는 단계;상기 제1 포토레지스트 패턴을 통해 노출되는 상기 하드 마스크를 제거하는 단계;상기 제2 포토레지스트 패턴을 식각 마스크로 사용하는 식각 공정으로 상기 제1 포토레지스트 패턴과 상기 층간 절연막을 식각하여, 제1 포토레지스트 패턴을 통해 트렌치 영역이 노출되고, 상기 층간 절연막에는 비아홀의 일부분이 트렌치 형태로 형성되는 단계;트렌치 영역의 상기 하드 마스크를 제거하는 단계;상기 제1 포토레지스트 패턴을 식각 마스크로 사용하는 식각 공정으로 트렌치 영역과 비아홀 영역의 상기 층간 절연막을 균일하게 식각하여 비아홀 및 트렌치를 동시에 형성하는 단계를 포함하는 반도체 소자의 듀얼 다마신 패턴 형성 방법.
- 제 1 항에 있어서,상기 제1 포토레지스트 패턴은 Si-Rich로 형성되는 반도체 소자의 듀얼 다마신 패턴 형성 방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 제1 포토레지스트 패턴을 형성한 후,상기 제1 포토레지스트 패턴의 표면을 산화시켜 산화막으로 형성하는 단계를 더 포함하는 반도체 소자의 듀얼 다마신 패턴 형성 방법.
- 제 1 항에 있어서,상기 하드 마스크와 상기 확산 방지막이 동일한 물질로 형성되는 반도체 소자의 듀얼 다마신 패턴 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040012704A KR100996161B1 (ko) | 2004-02-25 | 2004-02-25 | 반도체 소자의 듀얼 다마신 패턴 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040012704A KR100996161B1 (ko) | 2004-02-25 | 2004-02-25 | 반도체 소자의 듀얼 다마신 패턴 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050086288A KR20050086288A (ko) | 2005-08-30 |
KR100996161B1 true KR100996161B1 (ko) | 2010-11-24 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020040012704A KR100996161B1 (ko) | 2004-02-25 | 2004-02-25 | 반도체 소자의 듀얼 다마신 패턴 형성 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100996161B1 (ko) |
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- 2004-02-25 KR KR1020040012704A patent/KR100996161B1/ko active IP Right Grant
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KR20050086288A (ko) | 2005-08-30 |
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