KR100277875B1 - 커패시터 제조방법 - Google Patents
커패시터 제조방법 Download PDFInfo
- Publication number
- KR100277875B1 KR100277875B1 KR1019970079124A KR19970079124A KR100277875B1 KR 100277875 B1 KR100277875 B1 KR 100277875B1 KR 1019970079124 A KR1019970079124 A KR 1019970079124A KR 19970079124 A KR19970079124 A KR 19970079124A KR 100277875 B1 KR100277875 B1 KR 100277875B1
- Authority
- KR
- South Korea
- Prior art keywords
- photoresist
- applying
- exposed
- polysilicon layer
- exposed areas
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title abstract description 16
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 63
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 25
- 229920005591 polysilicon Polymers 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 239000004065 semiconductor Substances 0.000 claims abstract description 7
- 238000005530 etching Methods 0.000 claims abstract description 5
- 238000000151 deposition Methods 0.000 claims abstract description 3
- 238000000059 patterning Methods 0.000 claims abstract description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 description 6
- 238000004380 ashing Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
- H10D1/692—Electrodes
- H10D1/696—Electrodes comprising multiple layers, e.g. comprising a barrier layer and a metal layer
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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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02592—Microstructure amorphous
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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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02595—Microstructure polycrystalline
-
- 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
- H01L21/0271—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—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
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
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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)
- Crystallography & Structural Chemistry (AREA)
- Semiconductor Integrated Circuits (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (4)
- 셀 트랜지스터가 형성된 반도체기판상에 제1포토레지스트를 도포한 후, 스토리지노드에 상응하는 영역을 제외한 나머지영역을 노광시키는 공정과, 상기 제1포토레지스트상에 제2포토레지스트를 도포한 후, 비노광영역이 상기 제1포토레지스트의 비노광영역보다 작도록 선택적으로 노광시키는 공정과, 상기 제2포토레지스트상에 제3포토레지스트를 도포한 후, 비노광영역이 상기 제2포토레지스트의 비노광영역보다 크도록 선택적으로 노광시키는 공정과, 상기 제1, 제2, 제3포토레지스트를 동시에 현상하는 공정과, 비노광영역의 제1, 제2, 제3포토레지스트를 포함한 전면에 절연층을 형성하고 상기 제3포토레지스트의 표면이 노출될 때까지 절연층을 식각하는 공정, 비노광영역의 제1, 제2, 제3포토레지스트를 제거한 후, 폴리실리콘층을 증착하는 공정과, 상기 폴리실리콘층을 패터닝하여 스토리지전극을 형성하고, 상기 스토리지전극상에 커패시터 유전체막과 플레이트전극을 차례로 형성하는 공정을 포함하여 이루어지는 것을 특징으로 하는 커패시터 제조방법.
- 제1항에 있어서, 상기 절연층은 SOG(Spin On Glass)를 포함하는 것을 특징으로 하는 커패시터 제조방법.
- 제1항에 있어서, 상기 폴리실리콘층은 비정질실리콘을 포함하는 것을 특징으로 하는 커패시터 제조방법.
- 제1항에 있어서, 상기 절연층의 제거는 CMP(Chemical Mechanical Polishing)공정으로 이루어지는 것을 특징으로 하는 커패시터 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970079124A KR100277875B1 (ko) | 1997-12-30 | 1997-12-30 | 커패시터 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970079124A KR100277875B1 (ko) | 1997-12-30 | 1997-12-30 | 커패시터 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990058931A KR19990058931A (ko) | 1999-07-26 |
KR100277875B1 true KR100277875B1 (ko) | 2001-02-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970079124A KR100277875B1 (ko) | 1997-12-30 | 1997-12-30 | 커패시터 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100277875B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR940004823A (ko) * | 1992-08-24 | 1994-03-16 | 김주용 | 반도체 소자의 캐패시터 제조방법 |
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1997
- 1997-12-30 KR KR1019970079124A patent/KR100277875B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR940004823A (ko) * | 1992-08-24 | 1994-03-16 | 김주용 | 반도체 소자의 캐패시터 제조방법 |
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Publication number | Publication date |
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KR19990058931A (ko) | 1999-07-26 |
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