KR100529655B1 - 반도체 장치의 게이트 산화막 형성 방법 - Google Patents
반도체 장치의 게이트 산화막 형성 방법 Download PDFInfo
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- KR100529655B1 KR100529655B1 KR10-2003-0101931A KR20030101931A KR100529655B1 KR 100529655 B1 KR100529655 B1 KR 100529655B1 KR 20030101931 A KR20030101931 A KR 20030101931A KR 100529655 B1 KR100529655 B1 KR 100529655B1
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- South Korea
- Prior art keywords
- gate oxide
- oxide film
- region
- film
- forming
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 238000002955 isolation Methods 0.000 claims abstract description 15
- 230000001590 oxidative effect Effects 0.000 claims abstract description 10
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 10
- 238000005530 etching Methods 0.000 claims abstract description 6
- 150000004767 nitrides Chemical class 0.000 claims description 19
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- 238000001312 dry etching Methods 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 238000001039 wet etching Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009413 insulation 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
- 238000000206 photolithography Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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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
- H01L21/04—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
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823462—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate insulating layers, e.g. different gate insulating layer thicknesses, particular gate insulator materials or particular gate insulator implants
-
- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/0223—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate
- H01L21/02233—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer
- H01L21/02236—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer group IV semiconductor
- H01L21/02238—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer group IV semiconductor silicon in uncombined form, i.e. pure silicon
-
- 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
- H01L21/314—Inorganic layers
- H01L21/316—Inorganic layers composed of oxides or glassy oxides or oxide based glass
- H01L21/3165—Inorganic layers composed of oxides or glassy oxides or oxide based glass formed by oxidation
- H01L21/31654—Inorganic layers composed of oxides or glassy oxides or oxide based glass formed by oxidation of semiconductor materials, e.g. the body itself
- H01L21/31658—Inorganic layers composed of oxides or glassy oxides or oxide based glass formed by oxidation of semiconductor materials, e.g. the body itself by thermal oxidation, e.g. of SiGe
- H01L21/31662—Inorganic layers composed of oxides or glassy oxides or oxide based glass formed by oxidation of semiconductor materials, e.g. the body itself by thermal oxidation, e.g. of SiGe of silicon in uncombined form
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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)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (9)
- 기판 위에 소자 분리 영역을 형성하여 제1 내지 제3 소자영역을 정의하는 단계,상기 기판 위에 희생 절연막을 형성하는 단계,상기 제1 소자 영역의 희생 절연막을 선택적 식각으로 제거하는 단계,상기 제1 소자 영역을 산화하여 제1 게이트 산화막을 형성하는 단계,상기 제2 및 제3 소자 영역의 희생 절연막을 제거하는 단계,상기 기판을 산화하여 상기 제2 및 제3 소자 영역 위에 제2 게이트 산화막을 형성하는 단계,상기 제3 소자 영역을 노출하며 상기 제1 및 제2 소자 영역을 덮는 감광막 패턴을 형성하는 단계,상기 제3 소자 영역을 산화하여 제3 게이트 산화막을 형성하는 단계를 포함하는 반도체 소자의 게이트 산화막 형성 방법.
- 제1항에서,상기 제1 내지 제3 게이트 산화막은 서로 다른 두께로 형성하는 반도체 소자의 게이트 산화막 형성 방법.
- 제2항에서,상기 제1 게이트 산화막은 상기 제2 게이트 산화막 보다 두껍고, 상기 제2 게이트 산화막은 상기 제3 게이트 산화막보다 크게 형성하는 반도체 소자의 게이트 산화막 형성 방법.
- 제1항에서,상기 희생 절연막을 형성하는 단계에서 상기 희생 절연막은 질화 규소로 증착하여 질화막을 형성하는 반도체 소자의 게이트 산화막 형성 방법.
- 제4항에서,상기 질화막 위에 산화 규소를 증착하여 산화막을 더 형성하는 반도체 소자의 게이트 산화막 형성 방법.
- 제4항에서,상기 질화막은 100Å이하로 형성하는 반도체 소자의 게이트 산화막 형성 방법.
- 제5항에서,상기 산화막은 150Å이하로 형성하는 반도체 소자의 게이트 산화막 형성 방법.
- 제4항에서,상기 희생 절연막을 제거하는 단계에서 상기 질화막은 습식 식각으로 제거하는 반도체 소자의 게이트 산화막 형성 방법.
- 제5항에서,상기 희생 절연막을 제거하는 단계에서 상기 산화막은 건식 식각으로 제거하는 반도체 소자의 게이트 산화막 형성 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0101931A KR100529655B1 (ko) | 2003-12-31 | 2003-12-31 | 반도체 장치의 게이트 산화막 형성 방법 |
US11/024,466 US7338868B2 (en) | 2003-12-31 | 2004-12-30 | Method for forming gate oxide layer in semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0101931A KR100529655B1 (ko) | 2003-12-31 | 2003-12-31 | 반도체 장치의 게이트 산화막 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050069652A KR20050069652A (ko) | 2005-07-05 |
KR100529655B1 true KR100529655B1 (ko) | 2005-11-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-2003-0101931A KR100529655B1 (ko) | 2003-12-31 | 2003-12-31 | 반도체 장치의 게이트 산화막 형성 방법 |
Country Status (2)
Country | Link |
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US (1) | US7338868B2 (ko) |
KR (1) | KR100529655B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100790260B1 (ko) * | 2006-12-26 | 2008-01-02 | 매그나칩 반도체 유한회사 | 반도체 소자의 제조방법 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6413822B2 (en) * | 1999-04-22 | 2002-07-02 | Advanced Analogic Technologies, Inc. | Super-self-aligned fabrication process of trench-gate DMOS with overlying device layer |
US6130168A (en) * | 1999-07-08 | 2000-10-10 | Taiwan Semiconductor Manufacturing Company | Using ONO as hard mask to reduce STI oxide loss on low voltage device in flash or EPROM process |
JP2001298096A (ja) * | 2000-04-17 | 2001-10-26 | Nec Corp | 半導体装置の製造方法 |
JP2002343879A (ja) * | 2001-05-15 | 2002-11-29 | Nec Corp | 半導体装置及びその製造方法 |
JP4859290B2 (ja) * | 2001-06-21 | 2012-01-25 | 富士通セミコンダクター株式会社 | 半導体集積回路装置の製造方法 |
JP4190940B2 (ja) * | 2003-05-13 | 2008-12-03 | エルピーダメモリ株式会社 | 半導体装置の製造方法 |
KR100557995B1 (ko) * | 2003-07-30 | 2006-03-06 | 삼성전자주식회사 | 부유트랩형 비휘발성 메모리 셀을 갖는 반도체 장치 및그의 제조방법 |
US7030012B2 (en) * | 2004-03-10 | 2006-04-18 | International Business Machines Corporation | Method for manufacturing tungsten/polysilicon word line structure in vertical DRAM |
US6946349B1 (en) * | 2004-08-09 | 2005-09-20 | Chartered Semiconductor Manufacturing Ltd. | Method for integrating a SONOS gate oxide transistor into a logic/analog integrated circuit having several gate oxide thicknesses |
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2003
- 2003-12-31 KR KR10-2003-0101931A patent/KR100529655B1/ko active IP Right Grant
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2004
- 2004-12-30 US US11/024,466 patent/US7338868B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20050142770A1 (en) | 2005-06-30 |
KR20050069652A (ko) | 2005-07-05 |
US7338868B2 (en) | 2008-03-04 |
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