KR100370158B1 - 반도체소자의 듀얼 게이트 형성방법 - Google Patents
반도체소자의 듀얼 게이트 형성방법 Download PDFInfo
- Publication number
- KR100370158B1 KR100370158B1 KR10-2000-0052454A KR20000052454A KR100370158B1 KR 100370158 B1 KR100370158 B1 KR 100370158B1 KR 20000052454 A KR20000052454 A KR 20000052454A KR 100370158 B1 KR100370158 B1 KR 100370158B1
- Authority
- KR
- South Korea
- Prior art keywords
- semiconductor
- semiconductor layer
- layer
- forming
- insulating
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000009977 dual effect Effects 0.000 title abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000012535 impurity Substances 0.000 claims abstract description 11
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910021342 tungsten silicide Inorganic materials 0.000 claims abstract description 8
- 125000006850 spacer group Chemical group 0.000 claims abstract description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 14
- 150000002500 ions Chemical class 0.000 claims description 11
- 238000005530 etching Methods 0.000 claims description 5
- 239000005360 phosphosilicate glass Substances 0.000 claims 2
- 238000005468 ion implantation Methods 0.000 abstract 1
- 229920002120 photoresistant polymer Polymers 0.000 description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920005591 polysilicon Polymers 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- OYLRFHLPEAGKJU-UHFFFAOYSA-N phosphane silicic acid Chemical compound P.[Si](O)(O)(O)O OYLRFHLPEAGKJU-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 239000005368 silicate glass Substances 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
- H01L21/70—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
- H01L21/823437—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
- H01L21/823443—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes silicided or salicided gate conductors
-
- 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
- H01L21/823437—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
- H01L21/82345—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66545—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using a dummy, i.e. replacement gate in a process wherein at least a part of the final gate is self aligned to the dummy gate
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Electrodes Of Semiconductors (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (3)
- 반도체기판에 제 1 반도체층과 제 1 절연막이 적층되고 제 2 반도체층과 제 2 절연막이 적층되며 상기 제 1 반도체층과 제 2 반도체층이 서로 일정간격을 갖고 격리 형성되도록 식각하는 공정,적층 형성된 상기 제 1 반도체층과 상기 제 1 절연막 및 상기 제 2 반도체층과 상기 제 2 절연막의 양측면에 각각 제 1, 제 2 측벽스페이서를 형성하는 공정,상기 제 1, 제 2 절연막의 상부가 드러나도록 상기 반도체기판 전면에 버퍼절연막을 형성하는 공정,상기 제 1, 제 2 반도체층이 드러나도록 상기 제 1, 제 2 절연막을 제거하는 공정,상기 제 1 반도체층내에 제 1 도전형 불순물이온을 주입하는 공정,상기 제 2 반도체층내에 제 2 도전형 불순물이온을 주입하는 공정,상기 제 1, 제 2 절연막이 제거된 상기 제 1, 제 2 반도체층상에 텅스텐 실리사이드를 형성하는 공정을 포함함을 특징으로 하는 반도체소자의 듀얼 게이트 형성방법.
- 제 1 항에 있어서, 상기 제 1, 제 2 반도체층은 비정질 실리콘층을 사용함을 특징으로 하는 반도체소자의 듀얼 게이트 형성방법.
- 제 1 항에 있어서, 상기 제 1, 제 2 절연막은 O3포스포 실리케이트 글레스(Phosphor-Silicate Glass:PSG)의 하드마스크용 산화막을 사용함을 특징으로 하는 반도체소자의 듀얼 게이트 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0052454A KR100370158B1 (ko) | 2000-09-05 | 2000-09-05 | 반도체소자의 듀얼 게이트 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0052454A KR100370158B1 (ko) | 2000-09-05 | 2000-09-05 | 반도체소자의 듀얼 게이트 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020019288A KR20020019288A (ko) | 2002-03-12 |
KR100370158B1 true KR100370158B1 (ko) | 2003-01-30 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0052454A KR100370158B1 (ko) | 2000-09-05 | 2000-09-05 | 반도체소자의 듀얼 게이트 형성방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100370158B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100975737B1 (ko) * | 2008-08-12 | 2010-08-12 | 강두석 | 고춧가루의 철분제거장치 |
-
2000
- 2000-09-05 KR KR10-2000-0052454A patent/KR100370158B1/ko active IP Right Grant
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Publication number | Publication date |
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KR20020019288A (ko) | 2002-03-12 |
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