KR20040057877A - 전력용 반도체 장치 및 전력용 반도체 장치의 제조 방법 - Google Patents
전력용 반도체 장치 및 전력용 반도체 장치의 제조 방법 Download PDFInfo
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- KR20040057877A KR20040057877A KR1020030033760A KR20030033760A KR20040057877A KR 20040057877 A KR20040057877 A KR 20040057877A KR 1020030033760 A KR1020030033760 A KR 1020030033760A KR 20030033760 A KR20030033760 A KR 20030033760A KR 20040057877 A KR20040057877 A KR 20040057877A
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Classifications
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- 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7813—Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS transistors
-
- 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
-
- 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
- H01L29/66234—Bipolar junction transistors [BJT]
- H01L29/66325—Bipolar junction transistors [BJT] controlled by field-effect, e.g. insulated gate bipolar transistors [IGBT]
- H01L29/66333—Vertical insulated gate bipolar transistors
- H01L29/66348—Vertical insulated gate bipolar transistors with a recessed gate
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- 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
- H01L29/7393—Insulated gate bipolar mode transistors, i.e. IGBT; IGT; COMFET
- H01L29/7395—Vertical transistors, e.g. vertical IGBT
- H01L29/7396—Vertical transistors, e.g. vertical IGBT with a non planar surface, e.g. with a non planar gate or with a trench or recess or pillar in the surface of the emitter, base or collector region for improving current density or short circuiting the emitter and base regions
- H01L29/7397—Vertical transistors, e.g. vertical IGBT with a non planar surface, e.g. with a non planar gate or with a trench or recess or pillar in the surface of the emitter, base or collector region for improving current density or short circuiting the emitter and base regions and a gate structure lying on a slanted or vertical surface or formed in a groove, e.g. trench gate IGBT
-
- 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7811—Vertical DMOS transistors, i.e. VDMOS transistors with an edge termination structure
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/10—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1095—Body region, i.e. base region, of DMOS transistors or IGBTs
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- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42372—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out
- H01L29/4238—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out characterised by the surface lay-out
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Bipolar Transistors (AREA)
Abstract
Description
Claims (3)
- 중앙 영역 및 외주 영역을 갖는 소자 배치부 내에 전력용 반도체 소자를 포함하는 전력용 반도체 장치에 있어서,상기 중앙 영역과 상기 외주 영역에 걸쳐 형성된 주면(主面)을 포함하는 제1 도전형의 제1 반도체층과,상기 중앙 영역 내에 제1 개구를 갖고 상기 주면 위에 형성되어 있으며, 상기 제1 개구를 이루는 측면을 포함하는 제1 절연체와,상기 제1 개구를 좁히도록 상기 제1 절연체의 상기 측면 위에 형성된 제2 절연체와,상기 주면 내에 형성된, 상기 제1 도전형과는 반대인 제2 도전형의 제2 반도체층을 포함하며,상기 제2 반도체층은, 상기 중앙 영역 내에서 상기 전력용 반도체 소자의 일부를 이루고 상기 제1 절연체에 대향하도록 상기 외주 영역의 측으로 연장하는 제1 부분을 포함하고,상기 전력용 반도체 장치는,상기 주면 중에서 상기 제1 부분의 형성 영역 내에 형성되어 있고, 상기 제1 부분의 상기 형성 영역 중에서 상기 중앙 영역 내에서 상기 전력용 반도체 소자의 다른 일부를 이루고 상기 제2 절연체에 대향하도록 상기 외주 영역의 측으로 연장하는 상기 제1 도전형의 제3 반도체층을 더 포함하는 전력용 반도체 장치.
- 제1항에 있어서,상기 제1 절연체는, 상기 제2 반도체층의 상기 제1 부분의 외측에 형성되어 상기 주면에 이르는 적어도 하나의 제2 개구를 더 포함하며,상기 제2 반도체층은, 상기 적어도 하나의 제2 개구에 대향하여 상기 주면 내에 형성된 상기 제2 도전형 중 적어도 하나의 제2 부분을 더 포함하는 전력용 반도체 장치.
- 제2항에 있어서,상기 적어도 하나의 제2 부분은, 상기 제1 부분과 이격되어 형성되어 있지만, 상기 전력용 반도체 장치의 동작 시에는 상기 적어도 하나의 제2 부분 부근의 공핍층이 상기 제1 부분 부근의 공핍층에 연결되도록 형성되어 있는 전력용 반도체 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002374582A JP3931138B2 (ja) | 2002-12-25 | 2002-12-25 | 電力用半導体装置及び電力用半導体装置の製造方法 |
JPJP-P-2002-00374582 | 2002-12-25 |
Publications (2)
Publication Number | Publication Date |
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KR20040057877A true KR20040057877A (ko) | 2004-07-02 |
KR100498661B1 KR100498661B1 (ko) | 2005-07-01 |
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Application Number | Title | Priority Date | Filing Date |
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KR10-2003-0033760A KR100498661B1 (ko) | 2002-12-25 | 2003-05-27 | 전력용 반도체 장치 및 전력용 반도체 장치의 제조 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6927455B2 (ko) |
EP (1) | EP1434273B1 (ko) |
JP (1) | JP3931138B2 (ko) |
KR (1) | KR100498661B1 (ko) |
CN (1) | CN1277317C (ko) |
TW (1) | TWI225711B (ko) |
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US7750430B2 (en) * | 2007-10-31 | 2010-07-06 | Hynix Semiconductor Inc. | Semiconductor device and method for fabricating the same |
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US9842911B2 (en) | 2012-05-30 | 2017-12-12 | Vishay-Siliconix | Adaptive charge balanced edge termination |
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FR2767964B1 (fr) * | 1997-09-04 | 2001-06-08 | St Microelectronics Sa | Procede de realisation de la zone de canal d'un transistor dmos |
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US6433396B1 (en) * | 1999-10-05 | 2002-08-13 | International Rectifier Corporation | Trench MOSFET with integrated schottky device and process for its manufacture |
JP4608133B2 (ja) * | 2001-06-08 | 2011-01-05 | ルネサスエレクトロニクス株式会社 | 縦型mosfetを備えた半導体装置およびその製造方法 |
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2002
- 2002-12-25 JP JP2002374582A patent/JP3931138B2/ja not_active Expired - Lifetime
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2003
- 2003-05-14 TW TW092113021A patent/TWI225711B/zh not_active IP Right Cessation
- 2003-05-14 US US10/437,062 patent/US6927455B2/en not_active Expired - Lifetime
- 2003-05-27 KR KR10-2003-0033760A patent/KR100498661B1/ko active IP Right Grant
- 2003-08-26 EP EP03019304A patent/EP1434273B1/en not_active Expired - Lifetime
- 2003-08-27 CN CNB031577415A patent/CN1277317C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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CN1277317C (zh) | 2006-09-27 |
TW200411935A (en) | 2004-07-01 |
JP2004207476A (ja) | 2004-07-22 |
US6927455B2 (en) | 2005-08-09 |
EP1434273A2 (en) | 2004-06-30 |
US20040124464A1 (en) | 2004-07-01 |
JP3931138B2 (ja) | 2007-06-13 |
EP1434273A3 (en) | 2005-11-30 |
KR100498661B1 (ko) | 2005-07-01 |
TWI225711B (en) | 2004-12-21 |
CN1510758A (zh) | 2004-07-07 |
EP1434273B1 (en) | 2012-10-24 |
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