KR100760010B1 - 시간에 따른 전압의 변화율 특성을 향상시킨 전력 반도체소자 - Google Patents
시간에 따른 전압의 변화율 특성을 향상시킨 전력 반도체소자 Download PDFInfo
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- KR100760010B1 KR100760010B1 KR1020060084489A KR20060084489A KR100760010B1 KR 100760010 B1 KR100760010 B1 KR 100760010B1 KR 1020060084489 A KR1020060084489 A KR 1020060084489A KR 20060084489 A KR20060084489 A KR 20060084489A KR 100760010 B1 KR100760010 B1 KR 100760010B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 16
- 210000000746 body region Anatomy 0.000 claims abstract description 68
- 238000000034 method Methods 0.000 claims description 9
- 230000015556 catabolic process Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 5
- 238000005468 ion implantation Methods 0.000 description 5
- 108091006146 Channels Proteins 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 102000004129 N-Type Calcium Channels Human genes 0.000 description 1
- 108090000699 N-Type Calcium Channels Proteins 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000779 depleting effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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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
- H01L29/02—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
- H01L29/42356—Disposition, e.g. buried gate electrode
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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
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- 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)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (3)
- 제 1 도전형의 드레인 영역;상기 드레인 영역 상에 형성된 제 1 도전형의 제 1 에픽텍셜 영역;상기 제 1 에픽텍셜 영역 상에 형성된 스트라이프 형태로 배열된 게인트절연막과 상기 게이트 절연막 위에 형성된 게이트 전극;상기 에픽텐션 영역 표면 아래에 게이트 전극과 같은 방향의 스트라이프 형태로 형성되며, 프레임 영역과는 각각의 양쪽 모서리가 일부는 떨어지고 일부는 붙어있는 제 2 도전형의 바디 영역;상기 제 2 도전형의 바디 영역 내에 형성되어 있으며 상기 바디 영역의 깊이보다 얇게 형성되고 일정한 간격으로 연결된 구조를 가진 제 1 도전형의 소스 영역;상기 제 1 도전형의 소스 영역, 제 2 바디 영역 및 제 2 에픽텍셜 영역 상에 형성된 게이트 절연막;상기 제 1 도전형의 소스 영역 위에 형성되어 있는 소스 전극;상기 제 1 도전형의 소스 영역, 제 2 바디 영역 및 제 2 에픽텍셜 영역들의 외곽에 형성되어 있는 제 2 도전형의 일부는 떨어져 있고 일부는 붙어 있는 구조를 가진 프레임 영역;상기 제 1 도전형의 소스 영역, 제 2 바디 영역 및 제 2 에픽텍셜 영역들이 형성된 표면의 반대편 표면에 형성된 드레인 전극;으로 구성되어 있는 시간에 따른 전압의 변화율 특성을 향상시킨 전력 반도체 소자.
- 제 1항에 있어서,상기 게이트 전극 아래의 제 2 도전형의 바디 영역 사이의 제 1 도전형의 드리프트 영역에 상기 제 1 도전형의 드리프트 영역보다 높은 농도로 같은 도전형이 형성되어 있는 것을 특징으로 하는 시간에 따른 전압의 변화율 특성을 향상시킨 전력 반도체 소자.
- 제 1항에 있어서,상기 바디 영역을 포함하는 프레임 영역의 곡률반경이 100㎛ 내지 200㎛ 인 것을 특징으로 하는 시간에 따른 전압의 변화율 특성을 향상시킨 전력 반도체 소자.
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KR1020060084489A KR100760010B1 (ko) | 2006-09-04 | 2006-09-04 | 시간에 따른 전압의 변화율 특성을 향상시킨 전력 반도체소자 |
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KR1020060084489A KR100760010B1 (ko) | 2006-09-04 | 2006-09-04 | 시간에 따른 전압의 변화율 특성을 향상시킨 전력 반도체소자 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6369425B1 (en) | 1994-07-04 | 2002-04-09 | Sgs-Thomson Microelecttronica S.R.L. | High-density power device |
KR20060023282A (ko) * | 2004-09-09 | 2006-03-14 | 라이톤 세미컨덕터 코퍼레이션 | 향상된 견고성을 갖는 전력 반도체 소자 |
KR20060023284A (ko) * | 2004-09-09 | 2006-03-14 | 라이톤 세미컨덕터 코퍼레이션 | 펀치스루를 방지하기 위한 전력용 반도체 소자 및 그 제조방법 |
KR20060093790A (ko) * | 2005-02-22 | 2006-08-25 | (주)쎄미하우 | 전력용 반도체 소자 |
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- 2006-09-04 KR KR1020060084489A patent/KR100760010B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6369425B1 (en) | 1994-07-04 | 2002-04-09 | Sgs-Thomson Microelecttronica S.R.L. | High-density power device |
KR20060023282A (ko) * | 2004-09-09 | 2006-03-14 | 라이톤 세미컨덕터 코퍼레이션 | 향상된 견고성을 갖는 전력 반도체 소자 |
KR20060023284A (ko) * | 2004-09-09 | 2006-03-14 | 라이톤 세미컨덕터 코퍼레이션 | 펀치스루를 방지하기 위한 전력용 반도체 소자 및 그 제조방법 |
KR20060093790A (ko) * | 2005-02-22 | 2006-08-25 | (주)쎄미하우 | 전력용 반도체 소자 |
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