KR19980047270A - 반도체 소자의 트랜지스터 및 그 제조방법 - Google Patents
반도체 소자의 트랜지스터 및 그 제조방법 Download PDFInfo
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- KR19980047270A KR19980047270A KR1019960065746A KR19960065746A KR19980047270A KR 19980047270 A KR19980047270 A KR 19980047270A KR 1019960065746 A KR1019960065746 A KR 1019960065746A KR 19960065746 A KR19960065746 A KR 19960065746A KR 19980047270 A KR19980047270 A KR 19980047270A
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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]
- H10D30/67—Thin-film transistors [TFT]
-
- 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]
- H10D30/027—Manufacture or treatment of FETs having insulated gates [IGFET] of lateral single-gate IGFETs
- H10D30/0273—Manufacture or treatment of FETs having insulated gates [IGFET] of lateral single-gate IGFETs forming final gates or dummy gates after forming source and drain electrodes, e.g. contact first technology
-
- 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
- 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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76895—Local interconnects; Local pads, as exemplified by patent document EP0896365
-
- 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
- H01L21/22—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities
- H01L21/225—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities using diffusion into or out of a solid from or into a solid phase, e.g. a doped oxide layer
- H01L21/2251—Diffusion into or out of group IV semiconductors
- H01L21/2254—Diffusion into or out of group IV semiconductors from or through or into an applied layer, e.g. photoresist, nitrides
- H01L21/2257—Diffusion into or out of group IV semiconductors from or through or into an applied layer, e.g. photoresist, nitrides the applied layer being silicon or silicide or SIPOS, e.g. polysilicon, porous silicon
-
- 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
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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)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (8)
- 반도체 기판에 소자분리 마스크 공정을 통해 필드 산화막을 형성하여 액티브 영역과 필드 영역을 정의한 후, 액티브 영역의 상기 반도체 기판에 게이트 전극이 형성되고, 상기 반도체 기판과 상기 게이트 전극 사이에는 게이트 산화막이 형성되고, 상기 게이트 전극의 양측면에는 스페이서 절연막에 의해 전기적으로 절연되는 소오스/드레인 국부전극이 형성되고, 국부전극 아래의 상기 반도체 기판에 상기 국부전극과 전기적으로 접촉되는 소오스/드레인이 형성되고, 상기 소오스/드레인이 금속전극과 전기적으로 연결되도록 소오스/드레인 연결층이 상기 국부전극과 상기 금속전극 사이에 형성되고, 상기 연결층과 상기 반도체 기판 사이에는 절연막이 형성되고, 소자간 전기적 절연과 소자 보호용으로 층간 절연막이 형성되어 구성되는 것을 특징으로 하는 반도체 소자의 트랜지스터.
- 제1항에 있어서,상기 소오스/드레인 연결층은 도프트 다결정 실리콘 및 도프트 비정질 실리콘중 어느 하나를 증착하여 형성되는 것을 특징으로 하는 반도체 소자의 트랜지스터.
- 제1항에 있어서,상기 소오스/드레인 국부전극은 다결정 실리콘 및 비정질 실리콘중 어느 하나를 증착하여 형성되는 것을 특징으로 하는 반도체 소자의 트랜지스터.
- 반도체 소자의 트랜지스터 제조방법에 있어서,필드 산화막을 포함한 반도체 기판상에 제1절연막, 제1실리콘막 및 제2절연막이 순차적으로 형성되는 단계;상기 제2절연막, 상기 제1실리콘막 및 상기 제1절연막의 일부분을 순차적으로 식각하여 자기정렬된 소오스/드레인 영역을 형성하고, 상기 패터닝된 제1실리콘막은 소오스/드레인 연결층이 되는 단계;상기 소오스/드레인 영역을 포함한 전체구조상에 제2실리콘막 및 제3절연막을 순차적으로 형성하는 단계;상기 제3절연막 및 상기 제2실리콘막을 순차적으로 식각하여 스페이서 산화막 및 소오스/드레인 국부전극을 형성하는 단계;열산화공정으로 게이트 산화막을 형성한 후의 전체구조상에 도프트 다결정 실리콘을 증착한 다음, 기계적 화학적 연마법으로 다결정 실리콘을 연마하여 평탄화시키므로 게이트 전극이 형성되고, 이때 소오스/드레인이 형성되는 단계;상기 게이트 전극이 형성된 전체구조상에 층간 절연막을 형성하고, 금속콘택공정을 통해 상기 소오스/드레인과 연결된 상기 소오스/드레인 연결층에 접촉되는 금속전극을 형성하는 단계로 이루어지는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조방법.
- 제4항에 있어서,상기 제1, 2 및 3절연막은 산화물을 증착하여 형성되는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조방법.
- 제4항에 있어서,상기 제1실리콘막은 도프트 다결정 실리콘 및 도프트 비정질 실리콘중 어느 하나를 증착하여 형성되는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조방법.
- 제4항에 있어서,제2실리콘막은 다결정 실리콘 및 비정질 실리콘중 어느 하나를 증착하여 형성되는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조방법.
- 제4항에 있어서,상기 소오스/드레인은 상기 게이트 산화막을 형성하기 위한 열산화공정동안 상기 소오스/드레인 연결층 내에 함유된 불순물이 상기 소오스/드레인 국부전극을 확산통로로 하여 상기 반도체 기판으로 확산되고, 확산된 불순물은 상기 게이트 전극을 형성하기 위한 도프트 다결정 실리콘 증착공정동안에 활성화되어 형성되는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960065746A KR100233832B1 (ko) | 1996-12-14 | 1996-12-14 | 반도체 소자의 트랜지스터 및 그 제조방법 |
US08/989,033 US6008097A (en) | 1996-12-14 | 1997-12-11 | MOS transistor of semiconductor device and method of manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960065746A KR100233832B1 (ko) | 1996-12-14 | 1996-12-14 | 반도체 소자의 트랜지스터 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR19980047270A true KR19980047270A (ko) | 1998-09-15 |
KR100233832B1 KR100233832B1 (ko) | 1999-12-01 |
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Application Number | Title | Priority Date | Filing Date |
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KR1019960065746A Expired - Fee Related KR100233832B1 (ko) | 1996-12-14 | 1996-12-14 | 반도체 소자의 트랜지스터 및 그 제조방법 |
Country Status (2)
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US (1) | US6008097A (ko) |
KR (1) | KR100233832B1 (ko) |
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US7745289B2 (en) | 2000-08-16 | 2010-06-29 | Fairchild Semiconductor Corporation | Method of forming a FET having ultra-low on-resistance and low gate charge |
US6710403B2 (en) | 2002-07-30 | 2004-03-23 | Fairchild Semiconductor Corporation | Dual trench power MOSFET |
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US7132712B2 (en) | 2002-11-05 | 2006-11-07 | Fairchild Semiconductor Corporation | Trench structure having one or more diodes embedded therein adjacent a PN junction |
US7345342B2 (en) | 2001-01-30 | 2008-03-18 | Fairchild Semiconductor Corporation | Power semiconductor devices and methods of manufacture |
US6818513B2 (en) | 2001-01-30 | 2004-11-16 | Fairchild Semiconductor Corporation | Method of forming a field effect transistor having a lateral depletion structure |
US6916745B2 (en) | 2003-05-20 | 2005-07-12 | Fairchild Semiconductor Corporation | Structure and method for forming a trench MOSFET having self-aligned features |
FR2823597A1 (fr) * | 2001-04-12 | 2002-10-18 | St Microelectronics Sa | Procede de fabrication d'un transistor mos a longueur de grille tres reduite, et transistor mos correspondant |
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US7078296B2 (en) | 2002-01-16 | 2006-07-18 | Fairchild Semiconductor Corporation | Self-aligned trench MOSFETs and methods for making the same |
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US7652326B2 (en) | 2003-05-20 | 2010-01-26 | Fairchild Semiconductor Corporation | Power semiconductor devices and methods of manufacture |
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US7319256B1 (en) | 2006-06-19 | 2008-01-15 | Fairchild Semiconductor Corporation | Shielded gate trench FET with the shield and gate electrodes being connected together |
JP2010541212A (ja) | 2007-09-21 | 2010-12-24 | フェアチャイルド・セミコンダクター・コーポレーション | 電力デバイスのための超接合構造及び製造方法 |
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1996
- 1996-12-14 KR KR1019960065746A patent/KR100233832B1/ko not_active Expired - Fee Related
-
1997
- 1997-12-11 US US08/989,033 patent/US6008097A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR100233832B1 (ko) | 1999-12-01 |
US6008097A (en) | 1999-12-28 |
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