KR20020090837A - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR20020090837A KR20020090837A KR1020010070991A KR20010070991A KR20020090837A KR 20020090837 A KR20020090837 A KR 20020090837A KR 1020010070991 A KR1020010070991 A KR 1020010070991A KR 20010070991 A KR20010070991 A KR 20010070991A KR 20020090837 A KR20020090837 A KR 20020090837A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 186
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 50
- 239000000758 substrate Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 24
- 229910021420 polycrystalline silicon Inorganic materials 0.000 abstract description 12
- 229920005591 polysilicon Polymers 0.000 abstract description 12
- 230000007423 decrease Effects 0.000 abstract description 9
- 230000002411 adverse Effects 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 188
- 239000012535 impurity Substances 0.000 description 25
- 230000003071 parasitic effect Effects 0.000 description 18
- 230000008569 process Effects 0.000 description 17
- 230000015572 biosynthetic process Effects 0.000 description 14
- 238000009792 diffusion process Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 12
- 239000011229 interlayer Substances 0.000 description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 10
- 239000010703 silicon Substances 0.000 description 10
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 6
- 238000009413 insulation Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000005368 silicate glass Substances 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/73—Bipolar junction 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
- H01L29/66007—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
-
- 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
- H01L29/402—Field plates
- H01L29/407—Recessed field plates, e.g. trench field plates, buried field plates
-
- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
- Thyristors (AREA)
- Bipolar Transistors (AREA)
Abstract
Description
Claims (2)
- 한쪽 주면 및 다른 쪽 주면을 갖는 제1 도전형의 제1 반도체층과,상기 제1 반도체층의 한쪽 주면 상에 형성된 제2 도전형의 제2 반도체층과,상기 제2 반도체층 상에 형성된 제2 도전형의 제3 반도체층과,상기 제3 반도체층 상에 형성된 제1 도전형의 제4 반도체층과,상기 제4 반도체층의 표면으로부터 적어도 상기 제4 반도체층을 관통하도록 배열하여 형성되는 제1 홈 및 적어도 하나의 제2 홈과,상기 제1 홈에 인접하여 상기 제4 반도체층의 표면 내에 선택적으로 형성된 제2 도전형의 제1 반도체 영역과,상기 제1 홈의 내벽 상에 형성된 제1 절연막과,상기 제1 절연막을 개재하여 상기 제1 홈 내에 매립된 제어 전극 - 상기 제어 전극은 상기 적어도 하나의 제2 홈 내에는 형성되지 않음 - 과,상기 제1 반도체 영역 중 적어도 일부와 전기적으로 접속하고 또한 상기 제4 반도체층 표면의 대략 전면 상에 형성된 제1 주전극과,상기 제1 반도체층의 다른 쪽 주면 상에 형성된 제2 주전극을 포함하는 반도체 장치.
- (a) 한쪽 주면 및 다른 쪽 주면을 구비하고 제1 도전형의 제1 반도체층과 상기 제1 반도체층의 한쪽 주면 상에 형성된 제2 도전형의 제2 반도체층을 포함하는기재를 준비하는 단계와,(b) 상기 제2 반도체층 상에 제2 도전형의 제3 반도체층을 형성하는 단계와,(c) 상기 제3 반도체층 상에 제1 도전형의 제4 반도체층을 형성하는 단계와,(d) 상기 제4 반도체층의 표면 내에 제2 도전형의 제1 반도체 영역을 선택적으로 형성하는 단계와,(e) 상기 제4 반도체층의 표면으로부터 적어도 상기 제1 반도체 영역 및 상기 제4 반도체층을 관통하도록 제1 홈을 선택적으로 형성하는 단계와,(f) 상기 제1 홈의 내벽 상에 제1 절연막을 형성하는 단계와,(g) 상기 제1 절연막을 개재하여 상기 제1 홈 내에 매립하여 제어 전극을 형성하는 단계와,(h) 상기 제4 반도체층의 표면으로부터 적어도 상기 제4 반도체층을 관통하도록 적어도 하나의 제2 홈을 상기 제1 홈에 인접하되 이격하여 형성하는 단계와,(i) 상기 제1 반도체 영역 중 적어도 일부와 전기적으로 접속하고, 또한 상기 제4 반도체층 표면의 대략 전면 상에 제1 주전극을 형성하는 단계와,(j) 상기 제1 반도체층의 다른 쪽 주면 상에 제2 주전극을 형성하는 단계를 포함하는 반도체 장치의 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2001-00160160 | 2001-05-29 | ||
JP2001160160A JP4823435B2 (ja) | 2001-05-29 | 2001-05-29 | 半導体装置及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020090837A true KR20020090837A (ko) | 2002-12-05 |
KR100493838B1 KR100493838B1 (ko) | 2005-06-08 |
Family
ID=19003620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0070991A KR100493838B1 (ko) | 2001-05-29 | 2001-11-15 | 반도체 장치 및 그 제조 방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6781199B2 (ko) |
JP (1) | JP4823435B2 (ko) |
KR (1) | KR100493838B1 (ko) |
DE (1) | DE10161129B4 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100714857B1 (ko) * | 2004-05-31 | 2007-05-08 | 미쓰비시덴키 가부시키가이샤 | 절연 게이트형 반도체장치 |
KR100934938B1 (ko) * | 2007-02-16 | 2010-01-06 | 미쓰비시덴키 가부시키가이샤 | 반도체 장치 및 그 제조방법 |
KR101039054B1 (ko) * | 2008-05-13 | 2011-06-03 | 미쓰비시덴키 가부시키가이샤 | 반도체 장치 |
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2001
- 2001-05-29 JP JP2001160160A patent/JP4823435B2/ja not_active Expired - Lifetime
- 2001-11-08 US US09/986,277 patent/US6781199B2/en not_active Expired - Lifetime
- 2001-11-15 KR KR10-2001-0070991A patent/KR100493838B1/ko active IP Right Grant
- 2001-12-12 DE DE10161129A patent/DE10161129B4/de not_active Expired - Lifetime
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KR100714857B1 (ko) * | 2004-05-31 | 2007-05-08 | 미쓰비시덴키 가부시키가이샤 | 절연 게이트형 반도체장치 |
KR100934938B1 (ko) * | 2007-02-16 | 2010-01-06 | 미쓰비시덴키 가부시키가이샤 | 반도체 장치 및 그 제조방법 |
US7986003B2 (en) | 2007-02-16 | 2011-07-26 | Mitsubishi Electric Corporation | Semiconductor device and manufacturing method thereof |
KR101039054B1 (ko) * | 2008-05-13 | 2011-06-03 | 미쓰비시덴키 가부시키가이샤 | 반도체 장치 |
US8178947B2 (en) | 2008-05-13 | 2012-05-15 | Mitsubishi Electric Corporation | Semiconductor device |
Also Published As
Publication number | Publication date |
---|---|
DE10161129B4 (de) | 2009-04-09 |
JP4823435B2 (ja) | 2011-11-24 |
US20020179976A1 (en) | 2002-12-05 |
KR100493838B1 (ko) | 2005-06-08 |
DE10161129A1 (de) | 2002-12-12 |
US6781199B2 (en) | 2004-08-24 |
JP2002353456A (ja) | 2002-12-06 |
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