KR19990057106A - 모스펫 및 그 제조방법 - Google Patents
모스펫 및 그 제조방법 Download PDFInfo
- Publication number
- KR19990057106A KR19990057106A KR1019970077147A KR19970077147A KR19990057106A KR 19990057106 A KR19990057106 A KR 19990057106A KR 1019970077147 A KR1019970077147 A KR 1019970077147A KR 19970077147 A KR19970077147 A KR 19970077147A KR 19990057106 A KR19990057106 A KR 19990057106A
- Authority
- KR
- South Korea
- Prior art keywords
- gate
- source
- electrode
- mosfet
- forming
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000005530 etching Methods 0.000 claims description 6
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- 229920005591 polysilicon Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000000059 patterning Methods 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 230000005669 field effect Effects 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010355 oscillation Effects 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
- 239000002210 silicon-based material Substances 0.000 description 1
Classifications
-
- 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
- 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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/661—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation
- H10D64/662—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures
Landscapes
- 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)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (3)
- 제 1도전형 기판내의 소정영역에 제 2도전형 웰을 형성하는 스텝;상기 제 2도전형 웰 양측의 기판 표면에 필드 산화막을 형성하는 스텝;상기 필드 산화막을 포함한 전면에 게이트 절연막을 형성하고, 게이트 절연막 위에 식각율이 서로 다른 제 1게이트 물질과 제 2게이트 물질을 순차적으로 형성하는 스텝;상기 게이트 절연막, 제 1, 제 2게이트 물질을 패터닝하여 제 2도전형 웰 표면에 상부면은 넓고 하부면은 좁은 게이트 전극을 형성하는 스텝;상기 게이트 전극 양측의 제 2도전형 웰 표면내에 제 1도전형 소오스/드레인 불순물영역을 형성하는 스텝;상기 제 1도전형 소오스/드레인 불순물영역에 콘택되도록 소오스/드레인 전극을 형성하는 스텝으로 이루어짐을 특징으로 하는 모스펫 제조방법.
- 제 1항에 있어서, 상기 제 1게이트 물질은 비정질 실리콘이고, 상기 제 2게이트 물질은 폴리실리콘임을 특징으로 하는 모스펫 제조방법.
- 기판상의 소정영역에 형성되고, 상부면은 넓고 하부면은 좁은 형태를 갖는 게이트 전극;상기 게이트 전극 양측의 기판내에 형성되는 불순물 영역들;상기 각 불순물 영역에 콘택되어 형성되는 소오스 전극 및 드레인 전극으로 구성됨을 특징으로 하는 모스펫.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970077147A KR19990057106A (ko) | 1997-12-29 | 1997-12-29 | 모스펫 및 그 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970077147A KR19990057106A (ko) | 1997-12-29 | 1997-12-29 | 모스펫 및 그 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR19990057106A true KR19990057106A (ko) | 1999-07-15 |
Family
ID=66172677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970077147A KR19990057106A (ko) | 1997-12-29 | 1997-12-29 | 모스펫 및 그 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR19990057106A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040011016A (ko) * | 2002-07-26 | 2004-02-05 | 동부전자 주식회사 | 알에프 반도체소자 제조방법 |
KR100840663B1 (ko) * | 2006-10-11 | 2008-06-24 | 동부일렉트로닉스 주식회사 | 알에프 반도체 소자 및 그 제조 방법 |
-
1997
- 1997-12-29 KR KR1019970077147A patent/KR19990057106A/ko not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040011016A (ko) * | 2002-07-26 | 2004-02-05 | 동부전자 주식회사 | 알에프 반도체소자 제조방법 |
KR100840663B1 (ko) * | 2006-10-11 | 2008-06-24 | 동부일렉트로닉스 주식회사 | 알에프 반도체 소자 및 그 제조 방법 |
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