KR100555484B1 - 반도체장치의 텅스텐 배선 제조방법 - Google Patents
반도체장치의 텅스텐 배선 제조방법 Download PDFInfo
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- KR100555484B1 KR100555484B1 KR1019990037313A KR19990037313A KR100555484B1 KR 100555484 B1 KR100555484 B1 KR 100555484B1 KR 1019990037313 A KR1019990037313 A KR 1019990037313A KR 19990037313 A KR19990037313 A KR 19990037313A KR 100555484 B1 KR100555484 B1 KR 100555484B1
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- Prior art keywords
- layer
- tungsten
- hard mask
- pattern
- etching
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000010937 tungsten Substances 0.000 title claims abstract description 62
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 62
- 239000004065 semiconductor Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 32
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 238000000206 photolithography Methods 0.000 claims abstract description 7
- 238000005530 etching Methods 0.000 claims description 17
- 230000004888 barrier function Effects 0.000 claims description 14
- 238000009792 diffusion process Methods 0.000 claims description 14
- 238000000059 patterning Methods 0.000 claims description 11
- 239000000460 chlorine Substances 0.000 claims description 7
- 239000012495 reaction gas Substances 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 229910018503 SF6 Inorganic materials 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 2
- 230000007547 defect Effects 0.000 description 10
- 230000003667 anti-reflective effect Effects 0.000 description 3
- 238000010292 electrical insulation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
-
- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/0337—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
-
- 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
-
- 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
- H01L21/32139—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer using masks
-
- 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
- H01L21/7685—Barrier, adhesion or liner layers the layer covering a conductive structure
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Drying Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (6)
- 반도체 기판 상에 티타늄층 및 티타늄 질화물층의 이중층으로 이루어지는 확산 장벽층을 형성하는 단계;상기 확산 장벽층 상에 텅스텐층을 형성하는 단계;상기 텅스텐층 상에 티타늄 질화물층으로 이루어지는 하드 마스크층을 형성하는 단계;상기 하드 마스크층 상에 반사 방지층을 개재하는 사진 공정으로 딥 유비 포토레지스트 패턴을 형성하는 단계;상기 딥 유비 포토레지스트 패턴에 의해서 노출되는 상기 반사 방지층 및 상기 하드 마스크층을 순차적으로 식각하여 하드 마스크 패턴을 형성하는 단계;상기 하드 마스크 패턴 위의 딥 유비 포토레지스트를 제거하는 단계;상기 하드 마스크 패턴에 의해서 노출되는 상기 텅스텐층을 패터닝하여 텅스텐 패턴을 형성하는 단계;상기 하드 마스크 패턴을 선택적으로 식각하여 제거하면서 상기 텅스텐 패턴에 의해서 노출된 상기 확산 장벽층을 동시에 식각하여 패터닝하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 텅스텐 배선 제조 방법.
- 삭제
- 삭제
- 제1항에 있어서, 상기 하드마스크 패턴을 형성하는 단계는 염소(Cl)를 포함하는 반응 가스를 사용하여 상기 반사 방지층 및 상기 하드 마스크층을 순차적으로 식각하는 것을 특징으로 하는 반도체 장치의 텅스텐 배선 제조 방법.
- 제1항에 있어서, 상기 텅스텐 패턴을 형성하는 단계는 육불화황(SF6)가스를 포함하는 반응가스를 사용하여 텅스텐을 식각하는 것을 특징으로 하는 반도체 장치의 텅스텐 배선 제조 방법.
- 제1항에 있어서, 상기 확산 장벽층을 패터닝하는 단계는 염소(Cl)을 포함하는 반응 가스를 사용하여 상기 하드마스크 패턴을 선택적으로 식각하여 제거하면서 상기 텅스텐에 의해 노출된 상기 확산 장벽층을 동시에 식각하여 패터닝하는 것을 특징으로 하는 반도체 장치의 텅스텐 배선 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990037313A KR100555484B1 (ko) | 1999-09-03 | 1999-09-03 | 반도체장치의 텅스텐 배선 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019990037313A KR100555484B1 (ko) | 1999-09-03 | 1999-09-03 | 반도체장치의 텅스텐 배선 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20010026125A KR20010026125A (ko) | 2001-04-06 |
KR100555484B1 true KR100555484B1 (ko) | 2006-03-03 |
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KR1019990037313A KR100555484B1 (ko) | 1999-09-03 | 1999-09-03 | 반도체장치의 텅스텐 배선 제조방법 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100903482B1 (ko) * | 2007-11-30 | 2009-06-18 | 주식회사 동부하이텍 | 반도체 소자의 금속배선 형성방법 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0131719B1 (ko) * | 1994-06-24 | 1998-04-14 | 김주용 | 반도체소자의 금속배선 제조방법 |
KR19980050124A (ko) * | 1996-12-20 | 1998-09-15 | 김영환 | 반도체소자의 금속 배선 형성방법 |
KR19990004947A (ko) * | 1997-06-30 | 1999-01-25 | 김영환 | 반도체 장치의 금속 배선 형성 방법 |
JPH1174274A (ja) * | 1997-07-02 | 1999-03-16 | Yamaha Corp | 配線形成法 |
US5914277A (en) * | 1996-05-27 | 1999-06-22 | Sony Corporation | Method for forming metallic wiring pattern |
KR19990065425A (ko) * | 1998-01-13 | 1999-08-05 | 윤종용 | 반도체장치의 텅스텐 패턴 형성방법 |
-
1999
- 1999-09-03 KR KR1019990037313A patent/KR100555484B1/ko not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0131719B1 (ko) * | 1994-06-24 | 1998-04-14 | 김주용 | 반도체소자의 금속배선 제조방법 |
US5914277A (en) * | 1996-05-27 | 1999-06-22 | Sony Corporation | Method for forming metallic wiring pattern |
KR19980050124A (ko) * | 1996-12-20 | 1998-09-15 | 김영환 | 반도체소자의 금속 배선 형성방법 |
KR19990004947A (ko) * | 1997-06-30 | 1999-01-25 | 김영환 | 반도체 장치의 금속 배선 형성 방법 |
JPH1174274A (ja) * | 1997-07-02 | 1999-03-16 | Yamaha Corp | 配線形成法 |
KR19990065425A (ko) * | 1998-01-13 | 1999-08-05 | 윤종용 | 반도체장치의 텅스텐 패턴 형성방법 |
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KR20010026125A (ko) | 2001-04-06 |
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