KR100351912B1 - 반도체 소자의 게이트 전극 형성 방법 - Google Patents
반도체 소자의 게이트 전극 형성 방법 Download PDFInfo
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- KR100351912B1 KR100351912B1 KR1020000074300A KR20000074300A KR100351912B1 KR 100351912 B1 KR100351912 B1 KR 100351912B1 KR 1020000074300 A KR1020000074300 A KR 1020000074300A KR 20000074300 A KR20000074300 A KR 20000074300A KR 100351912 B1 KR100351912 B1 KR 100351912B1
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- polysilicon 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
- H01L21/70—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
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823828—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
- H01L21/823842—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes gate conductors with different gate conductor materials or different gate conductor implants, e.g. dual gate structures
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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
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823828—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
- H01L21/823835—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes silicided or salicided gate conductors
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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
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823857—Complementary field-effect transistors, e.g. CMOS 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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/01—Manufacture or treatment
- H10B12/09—Manufacture or treatment with simultaneous manufacture of the peripheral circuit region and memory cells
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (4)
- 메모리 영역과 로직 영역을 포함하는 반도체 기판상에 제 1 게이트 산화막, 제 1 도우프드 폴리실리콘층,텅스텐 실리사이드층, 게이트 캡층을 차례로 형성하는 단계;상기 로직 영역의 반도체 기판을 노출시키고 제 2 게이트 산화막, 제 1 언도우프드 폴리실리콘층을 전면에 증착하는 단계;상기 로직 영역의 제 1 언도우프드 폴리실리콘층의 일부에 선택적으로 불순물을 주입하여 제 2 도우프드 폴리실리콘층을 형성하는 단계;상기 로직 영역의 제 1 언도우프드, 제 2 도우프드 폴리 실리콘층을 선택적으로 패터닝하여 게이트 전극들을 형성하는 단계;메모리 영역의 제 1 도우프드 폴리실리콘층을 패터닝하여 게이트 전극들을 형성하는 단계;상기 로직 영역, 메모리 영역의 게이트 전극들의 측면에 게이트 스페이서를 형성하고 각각의 영역에 선택적으로 불순물을 주입하는 단계;상기 로직 영역의 소오스/드레인 영역 및 게이트 전극의 표면에 살리사이드층을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 게이트 전극 형성 방법.
- 제 1 항에 있어서, 제 1 게이트 산화막을 제 2 게이트 산화막보다 더 두껍게형성하는 것을 특징으로 하는 반도체 소자의 게이트 전극 형성 방법.
- 제 1 항에 있어서, 제 1 도우프드 폴리실리콘층은 n형 불순물이, 제 2 도우프드 폴리실리콘층은 n+형 불순물이, 제 3 도우프드 폴리실리콘층은 p형 불순물이 도핑되는 것을 특징으로 하는 반도체 소자의 게이트 전극 형성 방법.
- 제 1 항에 있어서, 로직 영역의 게이트 전극 패터닝시에 메모리 영역의 제 1 언도우프드 폴리실리콘층, 제 2 게이트 산화막이 제거되고, 게이트 캡층이 식각 저지층으로 사용되는 것을 특징으로 하는 반도체 소자의 게이트 전극 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020000074300A KR100351912B1 (ko) | 2000-12-07 | 2000-12-07 | 반도체 소자의 게이트 전극 형성 방법 |
Applications Claiming Priority (1)
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KR1020000074300A KR100351912B1 (ko) | 2000-12-07 | 2000-12-07 | 반도체 소자의 게이트 전극 형성 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20020045015A KR20020045015A (ko) | 2002-06-19 |
KR100351912B1 true KR100351912B1 (ko) | 2002-09-12 |
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KR1020000074300A KR100351912B1 (ko) | 2000-12-07 | 2000-12-07 | 반도체 소자의 게이트 전극 형성 방법 |
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