KR100876861B1 - 반도체 소자의 게이트 산화막 형성방법 - Google Patents
반도체 소자의 게이트 산화막 형성방법 Download PDFInfo
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- KR100876861B1 KR100876861B1 KR1020020040763A KR20020040763A KR100876861B1 KR 100876861 B1 KR100876861 B1 KR 100876861B1 KR 1020020040763 A KR1020020040763 A KR 1020020040763A KR 20020040763 A KR20020040763 A KR 20020040763A KR 100876861 B1 KR100876861 B1 KR 100876861B1
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- Prior art keywords
- oxide film
- ozone
- forming
- gate
- gate oxide
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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
- H01L21/70—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
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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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/0217—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
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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
- H01L21/02107—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
- H01L21/02255—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 thermal treatment
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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
- H01L21/70—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
- H01L21/823481—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type isolation region manufacturing related aspects, e.g. to avoid interaction of isolation region with adjacent structure
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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)
- Formation Of Insulating Films (AREA)
Abstract
Description
Claims (5)
- 수개의 소자분리막으로 정의된 제1활성영역과 제2활성영역으로 구분되는 반도체 기판을 준비하는 단계;상기 기판 전면상에 열산화막을 형성하는 단계;상기 열산화막을 선택적으로 제거하여 상기 제2활성영역을 노출시키는 단계;상기 기판 전면상에 오존산화막을 형성하는 단계;상기 오존산화막상에 실리콘질화막을 형성하는 단계; 및상기 열산화막과 오존산화막 및 실리콘질화막을 제1게이트 산화막으로 하는 제1게이트와, 상기 오존산화막 및 실리콘질화막을 제2게이트 산화막으로 하는 제2게이트를 상기 제1활성영역 및 제2활성영역 각각에 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 게이트 산화막 형성방법.
- 제1항에 있어서,상기 오존산화막을 형성하는 단계는 오존수를 이용하는 것을 특징으로 하는 반도체 소자의 게이트 산화막 형성방법.
- 제2항에 있어서,상기 오존수는 최하 50ppm 농도인 것을 특징으로 하는 반도체 소자의 게이트 산화막 형성방법.
- 제2항에 있어서,상기 오존산화막의 두께는 상기 오존수의 농도로 조절하는 것을 특징으로 하는 반도체 소자의 게이트 산화막 형성방법.
- 제1항에 있어서,상기 실리콘질화막은 Si3N4막인 것을 특징으로 하는 반도체 소자의 게이트 산화막 형성방법.
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KR1020020040763A KR100876861B1 (ko) | 2002-07-12 | 2002-07-12 | 반도체 소자의 게이트 산화막 형성방법 |
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KR1020020040763A KR100876861B1 (ko) | 2002-07-12 | 2002-07-12 | 반도체 소자의 게이트 산화막 형성방법 |
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KR20040006471A KR20040006471A (ko) | 2004-01-24 |
KR100876861B1 true KR100876861B1 (ko) | 2008-12-31 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57170570A (en) * | 1981-04-15 | 1982-10-20 | Toshiba Corp | Field effect transistor |
KR20000025228A (ko) * | 1998-10-09 | 2000-05-06 | 김영환 | 반도체 소자의 게이트 절연막 형성 방법 |
KR20010008616A (ko) * | 1999-07-02 | 2001-02-05 | 김영환 | 반도체장치의 게이트절연막 형성방법 |
KR20010065672A (ko) * | 1999-12-30 | 2001-07-11 | 박종섭 | Mml반도체소자의 듀얼게이트유전막 형성방법 |
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- 2002-07-12 KR KR1020020040763A patent/KR100876861B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57170570A (en) * | 1981-04-15 | 1982-10-20 | Toshiba Corp | Field effect transistor |
KR20000025228A (ko) * | 1998-10-09 | 2000-05-06 | 김영환 | 반도체 소자의 게이트 절연막 형성 방법 |
KR20010008616A (ko) * | 1999-07-02 | 2001-02-05 | 김영환 | 반도체장치의 게이트절연막 형성방법 |
KR20010065672A (ko) * | 1999-12-30 | 2001-07-11 | 박종섭 | Mml반도체소자의 듀얼게이트유전막 형성방법 |
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