KR100452071B1 - 배선형성방법 - Google Patents
배선형성방법 Download PDFInfo
- Publication number
- KR100452071B1 KR100452071B1 KR10-1998-0055106A KR19980055106A KR100452071B1 KR 100452071 B1 KR100452071 B1 KR 100452071B1 KR 19980055106 A KR19980055106 A KR 19980055106A KR 100452071 B1 KR100452071 B1 KR 100452071B1
- Authority
- KR
- South Korea
- Prior art keywords
- metal
- forming
- plasma
- film
- plug
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 claims abstract description 102
- 239000002184 metal Substances 0.000 claims abstract description 102
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 35
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000001301 oxygen Substances 0.000 claims abstract description 34
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 34
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- 230000007797 corrosion Effects 0.000 claims abstract description 15
- 239000012670 alkaline solution Substances 0.000 claims abstract description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 24
- 229910052721 tungsten Inorganic materials 0.000 claims description 24
- 239000010937 tungsten Substances 0.000 claims description 24
- 239000004065 semiconductor Substances 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 description 6
- 238000005530 etching Methods 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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
- H01L21/70—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
-
- 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
- H01L21/02068—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers
- H01L21/02071—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers the processing being a delineation, e.g. RIE, of conductive 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
- H01L21/02—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
-
- 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
Landscapes
- 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)
Abstract
Description
Claims (11)
- 금속 플러그를 포함하는 절연막 상에 적용되어 배선을 형성하는 방법에 있어서:상기 절연막 상에 금속막을 형성하는 단계와;상기 금속막 상에 포토레지스트 막을 형성한 후 금속 플러그 일부를 노출시키는 금속라인을 형성하는 단계; 그리고산소 플라즈마에 의해 상기 포토레지스트 막을 제거하되,상기 금속 플러그 표면에 전하들이 축적되는 것을 방지하기 위해 상기 산소 플라즈마는 산소 부피비율 이상으로 수분을 포함하는 플라즈마인 것을 특징으로 하는 배선 형성방법.
- 배선을 형성하는 방법에 있어서:금속 플러그를 가지는 반도체 기판이 제공되는 단계와;상기 반도체 기판 위에 금속막을 형성하는 단계와;상기 금속막 상에 포토레지스트 막을 형성한 후 금속 플러그 일부를 노출시키는 금속라인을 형성하는 단계;상기 포토레지스트 막을 제거하기 위해 산소 플라즈마에 수분을 첨가하되 상기 수분의 부피비율은 상기 산소 플라즈마의 산소 부피비율 이상이 되도록 수분을 첨가하는 단계; 그리고상기 반도체 기판에 대한 습식 세정 공정을 수행하는 단계를 포함하는 것을 특징으로 하는 배선 형성 방법.
- 제 2 항에 있어서,상기 금속 플러그의 재료에 텅스텐이 포함되는 것을 특징으로 하는 배선 형성 방법.
- 제 2 항에 있어서,상기 금속 플러그의 재료에 알루미늄이 포함되는 것을 특징으로 하는 배선 형성 방법.
- 제 2 항에 있어서,상기 습식 세정 공정이 알칼리성 용액을 사용해서 수행되는 것을 특징으로 하는 배선 형성 방법.
- 배선의 부식을 막는 방법에 있어서:텅스텐 플러그를 가지는 반도체 기판이 제공되는 단계와;상기 반도체 기판 위에 금속판을 형성하는 단계와;상기 금속막 상에 포토레지스트 막을 형성한 후 텅스텐 플러그 일부를 노출시키는 금속라인을 형성하는 단계; 그리고상기 포토레지스트 막을 제거하기 위해 산소 플라즈마에 수분을 첨가하되 상기 수분의 부피비율과 산소 플라즈마의 산소 부피비율이 1 : 1이 되도록 수분을 첨가하는 단계를 포함하는 것을 특징으로 하는 배선 형성 방법.
- 배선의 부식을 막는 방법에 있어서:텅스텐 플러그를 가지는 반도체 기판이 제공되는 단계와;상기 반도체 기판 위에 금속막을 형성하는 단계와;상기 금속막 상에 포토레지스트 막을 형성한 후 텅스텐 플러그 일부를 노출 시키는 금속라인을 형성하는 단계; 그리고상기 포토레지스트 막을 제거하기 위해 산소 플라즈마에 수분을 첨가하되 상기 수분의 부피비율은 산소 플라즈마의 산소 부피비율 이상이 되도록 수분을 첨가하는 단계를 포함하는 것을 특징으로 하는 배선 형성 방법.
- 텅스텐 플러그를 가지는 절연막에 적용되는 배선을 형성하는 방법에 있어서:상기 절연막 상에 금속막을 형성하는 단계와;상기 금속막의 범위를 정의함에 의해서 금속 라인을 형성하는 포토레지스트막을 제공하는 단계와;산소를 포함하는 플라즈마에 의해서 상기 포토레지스트막을 제거하는 단계; 그리고순수 수증기 플라즈마를 제공하는 단계를 포함하는 것을 특징으로 하는 배선형성 방법.
- 제 8 항에 있어서,상기 플라즈마는 순수 산소 플라즈마를 포함하는 것을 특징으로 하는 배선형성 방법.
- 제 8 항에 있어서,상기 순수 수증기 플라즈마의 흐름은 약 300-500 sccm이고,상기 순수 수증기 플라즈마는 약 20-30 초 주기로 제공되는 것을 특징으로 하는 배선 형성 방법.
- 배선의 부식을 막는 방법에 있어서:텅스텐 플러그를 가지는 반도체 기판이 제공되는 단계와;상기 반도체 기판 위에 금속막을 형성하는 단계와;상기 금속막 상에 포토레지스트 막을 형성한 후 텅스텐 플러그 일부를 노출시키는 금속라인을 형성하는 단계;산소를 포함하는 플라즈마에 의해서 상기 포토레지스트막을 제거하는 단계;그리고순수 수증기 플라즈마를 제공하는 단계를 포함하되상기 순수 수증기 플라즈마는 300-500 sccm의 속도와 20-30초의 주기를 가지는 플라즈마인 것을 특징으로 하는 배선 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0055106A KR100452071B1 (ko) | 1998-12-15 | 1998-12-15 | 배선형성방법 |
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KR10-1998-0055106A KR100452071B1 (ko) | 1998-12-15 | 1998-12-15 | 배선형성방법 |
Publications (2)
Publication Number | Publication Date |
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KR20000039697A KR20000039697A (ko) | 2000-07-05 |
KR100452071B1 true KR100452071B1 (ko) | 2004-12-08 |
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KR10-1998-0055106A KR100452071B1 (ko) | 1998-12-15 | 1998-12-15 | 배선형성방법 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100421279B1 (ko) * | 2001-06-28 | 2004-03-09 | 주식회사 하이닉스반도체 | 금속 배선 형성 방법 |
KR100403319B1 (ko) * | 2001-12-20 | 2003-10-30 | 주식회사 하이닉스반도체 | 반도체 소자의 테스트 패턴 형성 방법 |
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1998
- 1998-12-15 KR KR10-1998-0055106A patent/KR100452071B1/ko not_active IP Right Cessation
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KR20000039697A (ko) | 2000-07-05 |
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