KR20020046685A - 반도체 소자의 금속 배선 형성 방법 - Google Patents
반도체 소자의 금속 배선 형성 방법 Download PDFInfo
- Publication number
- KR20020046685A KR20020046685A KR1020000076993A KR20000076993A KR20020046685A KR 20020046685 A KR20020046685 A KR 20020046685A KR 1020000076993 A KR1020000076993 A KR 1020000076993A KR 20000076993 A KR20000076993 A KR 20000076993A KR 20020046685 A KR20020046685 A KR 20020046685A
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- Prior art keywords
- etching
- layer
- etching step
- metal
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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
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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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
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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 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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
- H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (5)
- 접착/베리어층, 전류 전도층, 반사 방지막이 차례로 적층된 금속층의 패터닝에 있어서,마스크 패턴층 형성하는 단계;바이어스 파워의 조절에 의해 플라즈마 이온들의 기계적인 충격에 의한 식각에 비하여 화학적인 반응에 의한 식각을 크게 하여 반사 방지막과 전류 전도층 상부를 식각하는 주요 식각 단계;바이어스 파워의 조절에 의해 플라즈마 이온들의 직진성을 증가시켜 전류 전도층의 하부와 접착/베리어층 사이의 경계면의 침전물을 식각하는 관통 식각 단계;플라즈마를 활성화시키는 압력을 상기 주요, 관통 식각 단계보다 낮게 하여 접착/베리어층을 식각하는 과도 식각 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
- 제 1 항에 있어서, 금속층을 기판상에 PETEOS를 절연층으로 12000Å의 두께로 형성하고, 접착/베리어층을 150Å의 Ti, 100Å의 TiN, 100Å의 Ti로 형성하고, 주배선층으로 전류 전도층을 0.5%의 Cu를 함유한 8000Å의 Al로 형성하고, 반사 방지막으로 600Å의 TiN을 형성한 구조로 형성하는 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
- 제 1 항에 있어서, 금속 배선의 측벽을 보호하기 위하여 주요 식각 단계와 관통 식각 단계에서는 N2를 식각 가스에 포함시키고, 과도 식각 단계에서는 N2를 공급하지 않는 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
- 제 1 항에 있어서, 바이어스 파워를 관통 식각 단계 〉주요 식각 단계 〉과도 식각 단계의 크기로 공정을 진행하는 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
- 제 1 항 또는 제 4 항에 있어서, 주요 식각 단계를 8mT/1200Ws/130Wb/80 Cl2+ 40 BCl3+ 10 N2의 조건으로 65sec의 타임 에치로 진행하고,관통 식각 단계를 8mT/1200Ws/190Wb/70 Cl2+ 50 BCl3+ 10 N2의 조건으로 30sec의 식각 엔드 포인트 검출 식각으로 진행하고,과도 식각 단계를 6mT/1200Ws/120Wb/60 Cl2+ 40 BCl3+ 0 N2의 조건으로 20sec의 타임 에치로 진행하는 것을 특징으로 하는 반도체 소자의 금속 배선 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000076993A KR100357196B1 (ko) | 2000-12-15 | 2000-12-15 | 반도체 소자의 금속 배선 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000076993A KR100357196B1 (ko) | 2000-12-15 | 2000-12-15 | 반도체 소자의 금속 배선 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020046685A true KR20020046685A (ko) | 2002-06-21 |
KR100357196B1 KR100357196B1 (ko) | 2002-10-19 |
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000076993A Expired - Fee Related KR100357196B1 (ko) | 2000-12-15 | 2000-12-15 | 반도체 소자의 금속 배선 형성 방법 |
Country Status (1)
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KR (1) | KR100357196B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100481559B1 (ko) * | 2002-08-22 | 2005-04-08 | 동부아남반도체 주식회사 | 반도체 장치에서의 알루미늄 식각 방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160070195A (ko) | 2014-12-09 | 2016-06-20 | 백은숙 | 공간 개방형 살균소독 시스템 |
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2000
- 2000-12-15 KR KR1020000076993A patent/KR100357196B1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100481559B1 (ko) * | 2002-08-22 | 2005-04-08 | 동부아남반도체 주식회사 | 반도체 장치에서의 알루미늄 식각 방법 |
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Publication number | Publication date |
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KR100357196B1 (ko) | 2002-10-19 |
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