KR940005293B1 - 게이트와 드레인이 중첩된 모오스 트랜지스터의 제조방법 및 그 구조 - Google Patents
게이트와 드레인이 중첩된 모오스 트랜지스터의 제조방법 및 그 구조 Download PDFInfo
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- KR940005293B1 KR940005293B1 KR1019910008363A KR910008363A KR940005293B1 KR 940005293 B1 KR940005293 B1 KR 940005293B1 KR 1019910008363 A KR1019910008363 A KR 1019910008363A KR 910008363 A KR910008363 A KR 910008363A KR 940005293 B1 KR940005293 B1 KR 940005293B1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0223—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate
- H10D30/0227—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate having both lightly-doped source and drain extensions and source and drain regions self-aligned to the sides of the gate, e.g. lightly-doped drain [LDD] MOSFET or double-diffused drain [DDD] MOSFET
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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
- 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
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/601—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs
- H10D30/605—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs having significant overlap between the lightly-doped extensions and the gate electrode
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- 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
- H10D64/514—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
- H10D64/516—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers the thicknesses being non-uniform
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- 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
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- 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
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- 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
- H10D64/671—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor having lateral variation in doping or structure
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- 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
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/681—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator having a compositional variation, e.g. multilayered
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- 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
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
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- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (12)
- 게이트와 드레인이 중첩된 모오스 트랜지스터에 있어서, 제1도전형의 반도체 기판과 ; 제1 및 제2 농도의 확산영역들로 구성되고 각각의 제1농도를 가지는 확산영역이 기판내의 채널영역에 의해 서로 소정 거리 이격되는 제2도전형의 확산영역들과 ; 상기 채널영역 상면의 제1게이트절연막을 중간층으로 하는 제1도전층과, 상기 제1도전층의 측벽상부에 접속되면서 측벽하부와 제2게이트절연막으로 이격되고 상기 제1농도의 확산영역과는 제1 및 제2게이트절연막을 중간층으로 하는 제2도전층으로 이루어진 게이트전극을 구비함을 특징으로 하는 게이트와 드레인이 중첩된 모오스 트랜지스터.
- 제1항에 있어서, 상기 제2게이트절연막이 상기 제1게이트절연막보다 더 두꺼움을 특징으로 하는 게이트와 드레인이 중첩된 모오스 트랜지스터.
- 제1항에 있어서, 상기 제1도전층이 다결정 실리콘층으로 된 단일층임을 특징으로 하는 게이트와 드레인이 중첩된 모오스 트랜지스터.
- 제1항에 있어서, 상기 제2도전층이 다결정 실리콘층임을 특징으로 하는 게이트와 드레인이 중첩된 모오스 트랜지스터.
- 제1항에 있어서, 상기 제1 및 제2게이트절연막이 산화막임을 특징으로 하는 게이트와 드레인이 중첩된 모오스 트랜지스터.
- 제1도전형의 반도체 기판상에 게이트와 드레인이 중첩된 모오스 트랜지스터를 제조하는 방법에 있어서, 상기 기판상의 채널영역에 의해 소정거리 이격되는 제2도전형의 제1확산영역을 형성하고 상기 채널영역 상면에 제1게이트절연막을 중간층으로 하는 제1도전층을 형성하는 제1공정과, 상기 기판 상면에 제2게이트절연막을 형성한 후 그 상면에 포토레지스트를 도포하는 제2공정과, 에치백 공정을 실시하여 상기 제1도전층 상면 및 그 측벽 상부에 적층되어 있는 제1게이트절연막을 제거하는 제3공정과, 상기 기판 상면에 제2도전층막 및 절연막을 순차적으로 형성하여 상기 제1도전층의 측벽상부에서 상기 제1도전층과 제2도전층막이 서로 접속되도록 하는 제4공정과, 상기 제1도전층 상면이 노출될때까지 에치백 공정을 실시하여 상기 제2도전층막의 측면에 절연막 스페이서를 형성함과 동시에 제2게이트절연막에 의해 상기 제1도전층의 하부와 이격되고 제2 및 제1게이트절연막의 적층구조를 상기 제1확산영역과의 중간층으로 하는 제2도전층을 형성하는 제5공정과, 상기 제1도전층 및 제2도전층을 마스크로 이온 주입하여 제2도전형의 제2확산영역을 형성하는 제6공정이 이루어짐을 특징으로 하는 게이트와 드레인이 중첩된 모오스 트랜지스터의 제조방법.
- 제6항에 있어서, 상기 제1 및 제2게이트절연막이 실리콘 산화막으로 형성됨을 특징으로 하는 게이트와 드레인이 중첩된 모오스 트랜지스터의 제조방법.
- 제6항에 있어서, 상기 제3공정이, 상기 포토레지스트를 제1도전층 측벽의 상부까지 에치백하는 제1단계와, 상기 제1단계에 의해 노출된 제2게이트절연막을 제거하는 제2단계와, 잔류된 상기 포토레지스트를 제거하는 제3단계로 이루어짐을 특징으로 하는 게이트와 드레인이 중첩된 모오스 트랜지스터의 제조방법.
- 제6항에 있어서, 상기 제3공정의 에치백 공정이 상기 포토레지스트의 식각률보다 상기 제2게이트 절연막의 식각률이 더 빠른 공정조건에서 실시됨을 특징으로 하는 게이트와 드레인이 중첩된 모오스 트랜지스터의 제조방법.
- 제6항에 있어서, 상기 제4공정에서 형성된 제2도전층막이 다결정 실리콘층으로 형성됨을 특징으로 하는 게이트와 드레인이 중첩된 모오스 트랜지스터의 제조방법.
- 제6항에 있어서, 상기 제1도전층이 다결정 실리콘층과 내화성 금속의 실리사이드층을 적층한 복합층으로 형성됨을 특징으로 하는 게이트와 드레인이 중첩된 모오스 트랜지스터의 제조방법.
- 제1항에 있어서, 상기 제1도전층이 다결정 실리콘으로 형성된 하부도전층 및 상기 하부도전층의 상부에 내화성 금속의 실리사이드로 형성된 상부도전층의 적층구조임을 특징으로 하는 게이트와 드레인이 중첩된 모오스 트랜지스터.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019910008363A KR940005293B1 (ko) | 1991-05-23 | 1991-05-23 | 게이트와 드레인이 중첩된 모오스 트랜지스터의 제조방법 및 그 구조 |
| US07/726,189 US5256586A (en) | 1991-05-23 | 1991-07-05 | Gate-to-drain overlapped MOS transistor fabrication process |
| FR9109790A FR2676864B1 (fr) | 1991-05-23 | 1991-08-01 | Procede de fabrication de transistor mos a recouvrement grille-drain et structure correspondante. |
| JP3216481A JP2662325B2 (ja) | 1991-05-23 | 1991-08-02 | 電界効果型半導体素子の構造およびその製造方法 |
| GB9117932A GB2256088B (en) | 1991-05-23 | 1991-08-20 | A gate-to-drain overlapped mos transistor fabrication process and structure thereof |
| DE4127967A DE4127967C2 (de) | 1991-05-23 | 1991-08-23 | MOS-Transistor mit Gate-Drain-Elektrodenüberlapp und Verfahren zu seiner Herstellung |
| US08/119,671 US5621236A (en) | 1991-05-23 | 1993-09-03 | Gate-to-drain overlapped MOS transistor fabrication process and structure thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019910008363A KR940005293B1 (ko) | 1991-05-23 | 1991-05-23 | 게이트와 드레인이 중첩된 모오스 트랜지스터의 제조방법 및 그 구조 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR920022372A KR920022372A (ko) | 1992-12-19 |
| KR940005293B1 true KR940005293B1 (ko) | 1994-06-15 |
Family
ID=19314806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019910008363A Expired - Lifetime KR940005293B1 (ko) | 1991-05-23 | 1991-05-23 | 게이트와 드레인이 중첩된 모오스 트랜지스터의 제조방법 및 그 구조 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US5256586A (ko) |
| JP (1) | JP2662325B2 (ko) |
| KR (1) | KR940005293B1 (ko) |
| DE (1) | DE4127967C2 (ko) |
| FR (1) | FR2676864B1 (ko) |
| GB (1) | GB2256088B (ko) |
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| JP2739018B2 (ja) * | 1992-10-21 | 1998-04-08 | 三菱電機株式会社 | 誘電体分離半導体装置及びその製造方法 |
| JP3039200B2 (ja) * | 1993-06-07 | 2000-05-08 | 日本電気株式会社 | Mosトランジスタおよびその製造方法 |
| US5371396A (en) * | 1993-07-02 | 1994-12-06 | Thunderbird Technologies, Inc. | Field effect transistor having polycrystalline silicon gate junction |
| US5451532A (en) * | 1994-03-15 | 1995-09-19 | National Semiconductor Corp. | Process for making self-aligned polysilicon base contact in a bipolar junction transistor |
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| JP3072754B2 (ja) * | 1994-10-18 | 2000-08-07 | シャープ株式会社 | 半導体装置の製造方法 |
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| DE10056873B4 (de) * | 2000-11-16 | 2010-06-17 | Advanced Micro Devices, Inc., Sunnyvale | Verfahren zur Herstellung einer Gateelektrode eines Feldeffekttransistors mit verringertem Gatewiderstand |
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| US9608066B1 (en) * | 2015-09-29 | 2017-03-28 | International Business Machines Corporation | High-K spacer for extension-free CMOS devices with high mobility channel materials |
| US10079290B2 (en) * | 2016-12-30 | 2018-09-18 | United Microelectronics Corp. | Semiconductor device having asymmetric spacer structures |
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| US3339128A (en) * | 1964-07-31 | 1967-08-29 | Rca Corp | Insulated offset gate field effect transistor |
| GB1431199A (en) * | 1972-05-13 | 1976-04-07 | Sony Corp | Variable impedance circuits |
| US3999210A (en) * | 1972-08-28 | 1976-12-21 | Sony Corporation | FET having a linear impedance characteristic over a wide range of frequency |
| JPS4951879A (ko) * | 1972-09-20 | 1974-05-20 | ||
| CH560463A5 (ko) * | 1972-09-26 | 1975-03-27 | Siemens Ag | |
| JPS5513426B2 (ko) * | 1974-06-18 | 1980-04-09 | ||
| US4329706A (en) * | 1979-03-01 | 1982-05-11 | International Business Machines Corporation | Doped polysilicon silicide semiconductor integrated circuit interconnections |
| JPS56130973A (en) * | 1980-03-17 | 1981-10-14 | Fujitsu Ltd | Manufacture of semiconductor device |
| JPS56169369A (en) * | 1980-05-30 | 1981-12-26 | Sharp Corp | High withstand voltage mos field effect semiconductor device |
| DE3318213A1 (de) * | 1983-05-19 | 1984-11-22 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Verfahren zum herstellen eines integrierten isolierschicht-feldeffekttransistors mit zur gateelektrode selbstausgerichteten kontakten |
| JPS6132576A (ja) * | 1984-07-25 | 1986-02-15 | Hitachi Ltd | 半導体装置 |
| JPS61231763A (ja) * | 1985-04-08 | 1986-10-16 | Toshiba Corp | 半導体装置およびその製造方法 |
| JPS6425475A (en) * | 1987-07-21 | 1989-01-27 | Matsushita Electric Industrial Co Ltd | Mos type semiconductor device |
| JPS6425479A (en) * | 1987-07-21 | 1989-01-27 | Matsushita Electric Industrial Co Ltd | Manufacture of mos type semiconductor device |
| US4868617A (en) * | 1988-04-25 | 1989-09-19 | Elite Semiconductor & Sytems International, Inc. | Gate controllable lightly doped drain mosfet devices |
| US5146291A (en) * | 1988-08-31 | 1992-09-08 | Mitsubishi Denki Kabushiki Kaisha | MIS device having lightly doped drain structure |
| JPH02207535A (ja) * | 1989-02-08 | 1990-08-17 | Hitachi Ltd | 半導体装置 |
| US5013675A (en) * | 1989-05-23 | 1991-05-07 | Advanced Micro Devices, Inc. | Method of forming and removing polysilicon lightly doped drain spacers |
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| JPH0475349A (ja) * | 1990-07-18 | 1992-03-10 | Nec Corp | 半導体装置の製造方法 |
| US5214305A (en) * | 1990-08-28 | 1993-05-25 | United Microelectronics Corporation | Polycide gate MOSFET for integrated circuits |
-
1991
- 1991-05-23 KR KR1019910008363A patent/KR940005293B1/ko not_active Expired - Lifetime
- 1991-07-05 US US07/726,189 patent/US5256586A/en not_active Expired - Lifetime
- 1991-08-01 FR FR9109790A patent/FR2676864B1/fr not_active Expired - Lifetime
- 1991-08-02 JP JP3216481A patent/JP2662325B2/ja not_active Expired - Lifetime
- 1991-08-20 GB GB9117932A patent/GB2256088B/en not_active Expired - Lifetime
- 1991-08-23 DE DE4127967A patent/DE4127967C2/de not_active Expired - Lifetime
-
1993
- 1993-09-03 US US08/119,671 patent/US5621236A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2676864B1 (fr) | 1998-08-14 |
| KR920022372A (ko) | 1992-12-19 |
| JP2662325B2 (ja) | 1997-10-08 |
| GB2256088B (en) | 1995-10-18 |
| US5256586A (en) | 1993-10-26 |
| JPH04346440A (ja) | 1992-12-02 |
| DE4127967A1 (de) | 1992-11-26 |
| GB9117932D0 (en) | 1991-10-09 |
| GB2256088A (en) | 1992-11-25 |
| FR2676864A1 (fr) | 1992-11-27 |
| US5621236A (en) | 1997-04-15 |
| DE4127967C2 (de) | 1998-07-02 |
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