KR100624683B1 - 트렌치 게이트 전극을 포함하는 금속-절연체-반도체 장치및 이의 제조 방법 - Google Patents

트렌치 게이트 전극을 포함하는 금속-절연체-반도체 장치및 이의 제조 방법 Download PDF

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KR100624683B1
KR100624683B1 KR1020047002073A KR20047002073A KR100624683B1 KR 100624683 B1 KR100624683 B1 KR 100624683B1 KR 1020047002073 A KR1020047002073 A KR 1020047002073A KR 20047002073 A KR20047002073 A KR 20047002073A KR 100624683 B1 KR100624683 B1 KR 100624683B1
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South Korea
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trench
insulating layer
region
adjacent
gate
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Korean (ko)
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KR20040051584A (ko
Inventor
모하메드 엔. 다르위쉬
프레데릭크 피. 질레스
캄홍 루이
쿠오-인 첸
테리르키레
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실리코닉스 인코퍼레이티드
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • H10D30/64Double-diffused metal-oxide semiconductor [DMOS] FETs
    • H10D30/66Vertical DMOS [VDMOS] FETs
    • H10D30/668Vertical DMOS [VDMOS] FETs having trench gate electrodes, e.g. UMOS transistors
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/01Manufacture or treatment
    • H10D30/021Manufacture or treatment of FETs having insulated gates [IGFET]
    • H10D30/028Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
    • H10D30/0291Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs
    • H10D30/0297Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs using recessing of the gate electrodes, e.g. to form trench gate electrodes
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/20Electrodes characterised by their shapes, relative sizes or dispositions 
    • H10D64/27Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
    • H10D64/311Gate electrodes for field-effect devices
    • H10D64/411Gate electrodes for field-effect devices for FETs
    • H10D64/511Gate electrodes for field-effect devices for FETs for IGFETs
    • H10D64/514Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
    • H10D64/516Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers the thicknesses being non-uniform
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D12/00Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/411Insulated-gate bipolar transistors [IGBT]
    • H10D12/441Vertical IGBTs
    • H10D12/461Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions
    • H10D12/481Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions having gate structures on slanted surfaces, on vertical surfaces, or in grooves, e.g. trench gate IGBTs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D18/00Thyristors
    • H10D18/40Thyristors with turn-on by field effect 
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/13Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
    • H10D62/149Source or drain regions of field-effect devices
    • H10D62/151Source or drain regions of field-effect devices of IGFETs 
    • H10D62/156Drain regions of DMOS transistors
    • H10D62/157Impurity concentrations or distributions

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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)
  • Electrodes Of Semiconductors (AREA)
  • Insulated Gate Type Field-Effect Transistor (AREA)
KR1020047002073A 2001-08-10 2002-07-19 트렌치 게이트 전극을 포함하는 금속-절연체-반도체 장치및 이의 제조 방법 Expired - Lifetime KR100624683B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/927,320 US6882000B2 (en) 2001-08-10 2001-08-10 Trench MIS device with reduced gate-to-drain capacitance
US09/927,320 2001-08-10
PCT/US2002/022937 WO2003015179A2 (en) 2001-08-10 2002-07-19 Mis device having a trench gate electrode and method of making the same

Publications (2)

Publication Number Publication Date
KR20040051584A KR20040051584A (ko) 2004-06-18
KR100624683B1 true KR100624683B1 (ko) 2006-09-19

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KR1020047002073A Expired - Lifetime KR100624683B1 (ko) 2001-08-10 2002-07-19 트렌치 게이트 전극을 포함하는 금속-절연체-반도체 장치및 이의 제조 방법

Country Status (6)

Country Link
US (2) US6882000B2 (enExample)
EP (1) EP1417717A2 (enExample)
JP (2) JP2004538648A (enExample)
KR (1) KR100624683B1 (enExample)
TW (1) TW552680B (enExample)
WO (1) WO2003015179A2 (enExample)

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Also Published As

Publication number Publication date
US20030062570A1 (en) 2003-04-03
WO2003015179A3 (en) 2003-12-04
US20030030092A1 (en) 2003-02-13
US6921697B2 (en) 2005-07-26
WO2003015179A2 (en) 2003-02-20
JP5500898B2 (ja) 2014-05-21
TW552680B (en) 2003-09-11
JP2004538648A (ja) 2004-12-24
US6882000B2 (en) 2005-04-19
EP1417717A2 (en) 2004-05-12
KR20040051584A (ko) 2004-06-18
JP2009283969A (ja) 2009-12-03

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