KR100281269B1 - 반도체소자의 게이트전극 형성방법 - Google Patents
반도체소자의 게이트전극 형성방법 Download PDFInfo
- Publication number
- KR100281269B1 KR100281269B1 KR1019940012819A KR19940012819A KR100281269B1 KR 100281269 B1 KR100281269 B1 KR 100281269B1 KR 1019940012819 A KR1019940012819 A KR 1019940012819A KR 19940012819 A KR19940012819 A KR 19940012819A KR 100281269 B1 KR100281269 B1 KR 100281269B1
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- South Korea
- Prior art keywords
- gate electrode
- mask
- forming
- etching
- film
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000004065 semiconductor Substances 0.000 title claims abstract description 20
- 230000015572 biosynthetic process Effects 0.000 title abstract description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 29
- 238000005530 etching Methods 0.000 claims abstract description 24
- 229920005591 polysilicon Polymers 0.000 claims abstract description 19
- 238000000151 deposition Methods 0.000 claims abstract description 3
- 239000011229 interlayer Substances 0.000 claims description 17
- 239000010410 layer Substances 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000001459 lithography Methods 0.000 abstract description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052710 silicon Inorganic materials 0.000 abstract description 2
- 239000010703 silicon Substances 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
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
- H01L21/04—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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28035—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities
-
- 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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/661—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Drying Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (4)
- 반도체소자의 게이트전극 형성방법에 있어서, 반도체기판 상부에 게이트산화막, 게이트전극용 다결정실리콘막, 층간절연막 및 다결정실리콘막을 순차적으로 증착하고 그 상부에 게이트전극 마스크를 형성하는 공정과, 상기 게이트전극 마스크를 이용하여 건식방법으로 상기 다결정실리콘막을 식각함으로써 다결정실리콘막패턴을 형성하고 상기 게이트전극 마스크를 제거하는 공정과, 상기 식각공정으로 형성된 쿼터 마이크로미터 이하의 다결정실리콘막패턴을 마스크로하여 상기 층간절연막을 식각함으로써 층간절연막패턴을 형성하는 공정과, 상기 층간절연막패턴을 마스크 및 식각장벽으로하여 전면식각공정을 실시함으로써 게이트전극 및 게이트산화막패턴을 형성하는 공정을 포함하는 반도체소자의 게이트전극 형성방법.
- 제1항에 있어서, 상기 게이트전극 마스크는 산소플라즈마를 사용하여 제거하는 것을 특징으로 하는 반도체소자의 게이트전극 형성방법.
- 제1항에 있어서, 상기 건식방법은 SF6나 Cl2/SF6가스를 기본으로한 화학가스를 사용하여 실시하는 것을 특징으로 하는 반도체소자의 게이트전극 형성방법.
- 제1항에 있어서, 상기 층간절연막 식각공정은 상기 층간절연막을 형성하는 산화막과 상기 다결정실리콘막패턴의 식각선택비 차를 이용하는 것을 특징으로 하는 반도체소자의 게이트전극 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940012819A KR100281269B1 (ko) | 1994-06-08 | 1994-06-08 | 반도체소자의 게이트전극 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940012819A KR100281269B1 (ko) | 1994-06-08 | 1994-06-08 | 반도체소자의 게이트전극 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960002554A KR960002554A (ko) | 1996-01-26 |
KR100281269B1 true KR100281269B1 (ko) | 2001-03-02 |
Family
ID=66686147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940012819A KR100281269B1 (ko) | 1994-06-08 | 1994-06-08 | 반도체소자의 게이트전극 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100281269B1 (ko) |
-
1994
- 1994-06-08 KR KR1019940012819A patent/KR100281269B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR960002554A (ko) | 1996-01-26 |
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