KR100741909B1 - 폴리머를 이용한 반도체 소자의 게이트 형성 방법 - Google Patents
폴리머를 이용한 반도체 소자의 게이트 형성 방법 Download PDFInfo
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- KR100741909B1 KR100741909B1 KR1020050134898A KR20050134898A KR100741909B1 KR 100741909 B1 KR100741909 B1 KR 100741909B1 KR 1020050134898 A KR1020050134898 A KR 1020050134898A KR 20050134898 A KR20050134898 A KR 20050134898A KR 100741909 B1 KR100741909 B1 KR 100741909B1
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 229920000642 polymer Polymers 0.000 title claims abstract description 46
- 239000004065 semiconductor Substances 0.000 title claims abstract description 22
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 48
- 238000005468 ion implantation Methods 0.000 claims abstract description 22
- 238000005530 etching Methods 0.000 claims abstract description 15
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 15
- 229920005591 polysilicon Polymers 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 239000010703 silicon Substances 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007943 implant Substances 0.000 claims 1
- 238000000206 photolithography Methods 0.000 description 11
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 238000002513 implantation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000001015 X-ray lithography Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001900 extreme ultraviolet lithography Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- 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
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/517—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers
- H10D64/518—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers characterised by their lengths or sectional shapes
-
- 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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
-
- 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
- H01L21/28114—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor characterised by the sectional shape, e.g. T, inverted-T
-
- 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
- H01L21/28123—Lithography-related aspects, e.g. sub-lithography lengths; Isolation-related aspects, e.g. to solve problems arising at the crossing with the side of the device isolation; Planarisation aspects
-
- 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
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28194—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation by deposition, e.g. evaporation, ALD, CVD, sputtering, laser deposition
-
- 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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0217—Manufacture or treatment of FETs having insulated gates [IGFET] forming self-aligned punch-through stoppers or threshold implants under gate regions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/601—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs
-
- 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
- H10D64/01—Manufacture or treatment
- H10D64/018—Spacers formed inside holes at the prospective gate locations, e.g. holes left by removing dummy gates
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- High Energy & Nuclear Physics (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (6)
- 실리콘 기판에 절연막을 형성하는 단계와,상기 절연막 위에 제1 포토레지스트 패턴을 형성하는 단계와,상기 제1 포토레지스트 패턴을 마스크로 제1 이온 주입 공정을 진행하여 LDD 영역을 형성하는 단계와,상기 절연막을 소정의 폭으로 노출시키는 오프닝이 형성되도록 상기 제1 포토레지스트 패턴의 주위에 폴리머를 형성하는 단계와,상기 제1 포토레지스트 패턴 및 상기 폴리머를 마스크로 하여 상기 오프닝에 의해 드러난 상기 절연막을 식각하는 절연막 식각 단계와,상기 제1 포토레지스트 패턴 및 상기 폴리머를 마스크로 상기 제1 이온 주입 공정과 반대되는 도전형 불순물을 사용하여 제2 이온 주입 공정을 진행하는 단계와,상기 기판 전면에 게이트 절연막 및 폴리실리콘막을 형성하는 단계와,상기 폴리실리콘막 위에 제2 포토레지스트 패턴을 형성하는 단계와,상기 제2 포토레지스트 패턴을 마스크로 하여 상기 폴리실리콘막을 식각하여 게이트를 형성하는 단계를 포함하는 것을 특징으로 하는 폴리머를 이용한 반도체 소자의 게이트 형성 방법.
- 제1항에서,상기 폴리머를 형성하는 단계에서, 상기 폴리머는 상기 제1 포토레지스트 패턴과 동일한 계열의 폴리머이고, 상기 폴리머는 탄소(C) 및 불소(F)를 포함하는 혼합 가스를 사용하여 형성되는 것을 특징으로 하는 폴리머를 이용한 반도체 소자의 게이트 형성 방법.
- 제1항에서,상기 제2 이온 주입 공정은 상기 제1 이온 주입 공정과 반대되는 도전형 불순물을 이온 주입함으로써, 상기 절연막 식각 단계에서 드러난 상기 LDD 영역을 상기 제1 이온 주입 공정을 진행하기 전의 상기 기판과 같은 상태로 형성하는 것을 특징으로 하는 폴리머를 이용한 반도체 소자의 게이트 형성 방법.
- 제1항에서,상기 게이트 절연막은 상온 ~ 200℃의 저온 CVD 공정으로 형성하는 것을 특징으로 하는 폴리머를 이용한 반도체 소자의 게이트 형성 방법.
- 제1항에서,상기 제2 포토레지스트 패턴은 상기 제1 포토레지스트 패턴을 형성하기 위해 사용한 마스크를 사용하대, 음성 감광제를 사용하여 상기 제1 포토레지스트 패턴이 형성된 영역의 반대 영역에 형성하는 것을 특징으로 하는 폴리머를 이용한 반도체 소자의 게이트 형성 방법.
- 제1항에서,상기 게이트 형성 이후에, 상기 게이트 하부의 상기 게이트 절연막, 상기 제1 포토레지스트 패턴 및 상기 폴리머를 제거하는 단계를 더 포함하는 것을 특징으로 하는 폴리머를 이용한 반도체 소자의 게이트 형성 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050134898A KR100741909B1 (ko) | 2005-12-30 | 2005-12-30 | 폴리머를 이용한 반도체 소자의 게이트 형성 방법 |
US11/614,697 US20070155078A1 (en) | 2005-12-30 | 2006-12-21 | Semiconductor device and method for manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050134898A KR100741909B1 (ko) | 2005-12-30 | 2005-12-30 | 폴리머를 이용한 반도체 소자의 게이트 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070071445A KR20070071445A (ko) | 2007-07-04 |
KR100741909B1 true KR100741909B1 (ko) | 2007-07-24 |
Family
ID=38224973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020050134898A Expired - Fee Related KR100741909B1 (ko) | 2005-12-30 | 2005-12-30 | 폴리머를 이용한 반도체 소자의 게이트 형성 방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20070155078A1 (ko) |
KR (1) | KR100741909B1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950034527A (ko) * | 1994-05-25 | 1995-12-28 | 김광호 | 반도체 소자 콘택 형성방법 |
KR960006012A (ko) * | 1994-07-30 | 1996-02-23 | 문정환 | 불휘발성 반도체 메모리 소자 및 그의 제조방법 |
KR970052316A (ko) * | 1995-12-20 | 1997-07-29 | 김광호 | 반도체 장치의 콘택구조 및 그 형성방법 |
KR20000031235A (ko) * | 1998-11-04 | 2000-06-05 | 윤종용 | 반도체소자의 패턴 형성방법 |
KR20040060196A (ko) * | 2002-12-30 | 2004-07-06 | 아남반도체 주식회사 | 고집적 반도체 소자의 도전체 패턴 제조 방법 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6818519B2 (en) * | 2002-09-23 | 2004-11-16 | Infineon Technologies Ag | Method of forming organic spacers and using organic spacers to form semiconductor device features |
KR100596926B1 (ko) * | 2004-12-29 | 2006-07-06 | 동부일렉트로닉스 주식회사 | Mos 트랜지스터의 제조 방법 |
-
2005
- 2005-12-30 KR KR1020050134898A patent/KR100741909B1/ko not_active Expired - Fee Related
-
2006
- 2006-12-21 US US11/614,697 patent/US20070155078A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950034527A (ko) * | 1994-05-25 | 1995-12-28 | 김광호 | 반도체 소자 콘택 형성방법 |
KR960006012A (ko) * | 1994-07-30 | 1996-02-23 | 문정환 | 불휘발성 반도체 메모리 소자 및 그의 제조방법 |
KR970052316A (ko) * | 1995-12-20 | 1997-07-29 | 김광호 | 반도체 장치의 콘택구조 및 그 형성방법 |
KR20000031235A (ko) * | 1998-11-04 | 2000-06-05 | 윤종용 | 반도체소자의 패턴 형성방법 |
KR20040060196A (ko) * | 2002-12-30 | 2004-07-06 | 아남반도체 주식회사 | 고집적 반도체 소자의 도전체 패턴 제조 방법 |
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Publication number | Publication date |
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US20070155078A1 (en) | 2007-07-05 |
KR20070071445A (ko) | 2007-07-04 |
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