JP2008283151A - 半導体装置およびその製造方法 - Google Patents
半導体装置およびその製造方法 Download PDFInfo
- Publication number
- JP2008283151A JP2008283151A JP2007128565A JP2007128565A JP2008283151A JP 2008283151 A JP2008283151 A JP 2008283151A JP 2007128565 A JP2007128565 A JP 2007128565A JP 2007128565 A JP2007128565 A JP 2007128565A JP 2008283151 A JP2008283151 A JP 2008283151A
- Authority
- JP
- Japan
- Prior art keywords
- conductivity type
- layer
- column
- trench
- semiconductor device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 43
- 239000010410 layer Substances 0.000 claims abstract description 184
- 239000000758 substrate Substances 0.000 claims abstract description 71
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 60
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 60
- 239000010703 silicon Substances 0.000 claims abstract description 60
- 239000002344 surface layer Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 22
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 8
- 150000004820 halides Chemical class 0.000 claims description 3
- 238000001039 wet etching Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/04—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes
- H01L29/045—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes by their particular orientation of crystalline planes
-
- 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
- H01L29/0603—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
- H01L29/063—Reduced surface field [RESURF] pn-junction structures
- H01L29/0634—Multiple reduced surface field (multi-RESURF) structures, e.g. double RESURF, charge compensation, cool, superjunction (SJ), 3D-RESURF, composite buffer (CB) structures
-
- 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
- H01L29/1025—Channel region of field-effect devices
- H01L29/1029—Channel region of field-effect devices of field-effect transistors
- H01L29/1033—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure
- H01L29/1041—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure with a non-uniform doping structure in the channel region surface
- H01L29/1045—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure with a non-uniform doping structure in the channel region surface the doping structure being parallel to the channel length, e.g. DMOS like
-
- 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
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66674—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/66712—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/66734—Vertical DMOS transistors, i.e. VDMOS transistors with a step of recessing the gate electrode, e.g. to form a trench gate electrode
-
- 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
- H01L29/0684—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 characterised by the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
- H01L29/0692—Surface layout
- H01L29/0696—Surface layout of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
【解決手段】シリコン基板1a上に、N導電型コラム2nとP導電型コラム2pが交互に配置されてなるPNコラム層30aが形成され、PNコラム層30a上に、P導電型層3が形成され、P導電型層3の表層部に、N導電型領域4が形成され、トレンチ絶縁ゲート電極40aが、P導電型層3を貫通するようにして、N導電型領域4に隣接して形成されてなる半導体装置201であって、シリコン基板1aが、(110)面方位であり、PNコラム層30aにおけるN導電型コラム2nとP導電型コラム2pの当接面が、(111)面方位であり、トレンチ絶縁ゲート電極40aの側壁面が、基板面内において、該当接面に対して交わるように配置されてなる半導体装置201とする。
【選択図】図1
Description
1,1a シリコン基板(ドレイン領域)
10,30,30a PNコラム層
2n N導電型(n)コラム
2na N導電型エピタキシャル層
T トレンチ
2pa P導電型埋込エピタキシャル層
2p P導電型(p)コラム
3 P導電型(p)層
4 N導電型(n+)領域(ソース領域)
20,40,40a,40b トレンチ絶縁ゲート電極
5 側壁絶縁膜
6 埋込多結晶シリコン
Claims (15)
- ドレイン領域である第1導電型のシリコン基板上に、
シリコンからなるエピタキシャル層であって、直方体形状で同じ高さの第1導電型コラムと第2導電型コラムが当接して交互に配置されてなるPNコラム層が形成され、
前記PNコラム層上に、シリコンからなるエピタキシャル層であって、チャネル形成層である第2導電型層が形成され、
前記第2導電型層の表層部に、ソース領域である第1導電型領域が形成され、
直方体形状のトレンチ絶縁ゲート電極が、前記第2導電型層を貫通するようにして、前記第1導電型領域に隣接して形成されてなる半導体装置であって、
前記シリコン基板が、(110)面方位であり、
前記PNコラム層における前記第1導電型コラムと第2導電型コラムの当接面が、(111)面方位であり、
前記トレンチ絶縁ゲート電極の側壁面が、基板面内において、前記第1導電型コラムと第2導電型コラムの当接面に対して交わるように配置されてなることを特徴とする半導体装置。 - 前記トレンチ絶縁ゲート電極の側壁面が、前記第2導電型層の(112)面と当接することを特徴とする請求項1に記載の半導体装置。
- 前記トレンチ絶縁ゲート電極の側壁面が、前記第2導電型層の(100)面と当接することを特徴とする請求項1に記載の半導体装置。
- 前記トレンチ絶縁ゲート電極が、基板面内において、等間隔に並んで配置され、
前記トレンチ絶縁ゲート電極の配置間隔が、40μm以下であることを特徴とする請求項1乃至3のいずれか一項に記載の半導体装置。 - 前記トレンチ絶縁ゲート電極の配置間隔が、20μm以下であることを特徴とする請求項4に記載の半導体装置。
- 前記トレンチ絶縁ゲート電極の配置間隔が、5μm以上であることを特徴とする請求項4または5に記載の半導体装置。
- 前記トレンチ絶縁ゲート電極の配置間隔が、10μm以上であることを特徴とする請求項6に記載の半導体装置。
- ドレイン領域である第1導電型のシリコン基板上に、
シリコンからなるエピタキシャル層であって、直方体形状で同じ高さの第1導電型コラムと第2導電型コラムが当接して交互に配置されてなるPNコラム層が形成され、
前記PNコラム層上に、シリコンからなるエピタキシャル層であって、チャネル形成層である第2導電型層が形成され、
前記第2導電型層の表層部に、ソース領域である第1導電型領域が形成され、
直方体形状のトレンチ絶縁ゲート電極が、前記第2導電型層を貫通するようにして、前記第1導電型領域に隣接して形成されてなり、
前記シリコン基板が、(110)面方位であり、
前記PNコラム層における前記第1導電型コラムと第2導電型コラムの当接面が、(111)面方位であり、
前記トレンチ絶縁ゲート電極の側壁面が、基板面内において、前記第1導電型コラムと第2導電型コラムの当接面に対して交わるように配置されてなる半導体装置の製造方法であって、
前記(110)面方位のシリコン基板上に、シリコンからなる第1導電型エピタキシャル層を形成し、
前記第1導電型エピタキシャル層に、側壁面が(111)面方位である直方体形状のトレンチを、基板面内において並んで配置されるよう形成し、
前記トレンチを埋め戻して、シリコンからなる第2導電型埋込エピタキシャル層を形成し、
前記第1導電型エピタキシャル層を、前記第1導電型コラムとし、前記第2導電型埋込エピタキシャル層を、前記第2導電型コラムとすることを特徴とする半導体装置の製造方法。 - 前記トレンチ絶縁ゲート電極の側壁面が、前記第2導電型層の(112)面と当接するように、該トレンチ絶縁ゲート電極を形成することを特徴とする請求項8に記載の半導体装置の製造方法。
- 前記トレンチ絶縁ゲート電極の側壁面が、前記第2導電型層の(100)面と当接するように、該トレンチ絶縁ゲート電極を形成することを特徴とする請求項8に記載の半導体装置の製造方法。
- 前記トレンチを、ウエットエッチングにより形成することを特徴とする請求項8乃至10のいずれか一項に記載の半導体装置の製造方法。
- 前記第2導電型埋込エピタキシャル層を、減圧CVDにより形成することを特徴とする請求項8乃至11のいずれか一項に記載の半導体装置の製造方法。
- 前記減圧CVDに際して、シリコンソースガスとハロゲン化物ガスを同時に流して、前記トレンチを埋め戻すことを特徴とする請求項12に記載の半導体装置の製造方法。
- 前記トレンチの幅を、3μm以下とすることを特徴とする請求項12または13に記載の半導体装置の製造方法。
- 前記トレンチの幅を、0.1μm以上とすることを特徴とする請求項8乃至14のいずれか一項に記載の半導体装置の製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007128565A JP4539680B2 (ja) | 2007-05-14 | 2007-05-14 | 半導体装置およびその製造方法 |
KR1020080043616A KR100969851B1 (ko) | 2007-05-14 | 2008-05-09 | 수퍼 정션 구조를 가지는 반도체 장치 및 그 제조 방법 |
CN200810099508A CN100583455C (zh) | 2007-05-14 | 2008-05-13 | 具有超结结构的半导体器件及其制造方法 |
US12/153,032 US7915671B2 (en) | 2007-05-14 | 2008-05-13 | Semiconductor device having super junction structure |
DE102008023474A DE102008023474A1 (de) | 2007-05-14 | 2008-05-14 | Halbleitervorrichtung mit Super-Junction-Struktur und Verfahren zu deren Fertigung |
US13/024,347 US8349693B2 (en) | 2007-05-14 | 2011-02-10 | Method of manufacturing a semiconductor device having a super junction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007128565A JP4539680B2 (ja) | 2007-05-14 | 2007-05-14 | 半導体装置およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008283151A true JP2008283151A (ja) | 2008-11-20 |
JP4539680B2 JP4539680B2 (ja) | 2010-09-08 |
Family
ID=39869038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007128565A Expired - Fee Related JP4539680B2 (ja) | 2007-05-14 | 2007-05-14 | 半導体装置およびその製造方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7915671B2 (ja) |
JP (1) | JP4539680B2 (ja) |
KR (1) | KR100969851B1 (ja) |
CN (1) | CN100583455C (ja) |
DE (1) | DE102008023474A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103325827A (zh) * | 2012-03-23 | 2013-09-25 | 株式会社东芝 | 半导体装置 |
US8647948B2 (en) | 2012-01-25 | 2014-02-11 | Renesas Electronics Corporation | Method of manufacturing vertical planar power MOSFET and method of manufacturing trench-gate power MOSFET |
JP2015023166A (ja) * | 2013-07-19 | 2015-02-02 | 株式会社東芝 | 半導体装置 |
JP6154083B1 (ja) * | 2016-03-31 | 2017-06-28 | 新電元工業株式会社 | パワー半導体装置及びパワー半導体装置の製造方法 |
WO2023286235A1 (ja) * | 2021-07-15 | 2023-01-19 | 三菱電機株式会社 | 炭化珪素半導体装置および電力変換装置 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1724822A3 (en) * | 2005-05-17 | 2007-01-24 | Sumco Corporation | Semiconductor substrate and manufacturing method thereof |
JP4883099B2 (ja) * | 2009-01-28 | 2012-02-22 | ソニー株式会社 | 半導体装置及び半導体装置の製造方法 |
CN102208336B (zh) * | 2010-03-31 | 2013-03-13 | 上海华虹Nec电子有限公司 | 形成交替排列的p型和n型半导体薄层的工艺方法 |
CN102214561A (zh) * | 2010-04-06 | 2011-10-12 | 上海华虹Nec电子有限公司 | 超级结半导体器件及其制造方法 |
JP5206726B2 (ja) | 2010-04-12 | 2013-06-12 | 株式会社デンソー | 力学量検出装置およびその製造方法 |
CN102254796B (zh) * | 2010-05-20 | 2014-05-21 | 上海华虹宏力半导体制造有限公司 | 形成交替排列的p型和n型半导体薄层的方法 |
JP5278492B2 (ja) | 2010-06-16 | 2013-09-04 | 株式会社デンソー | 半導体装置の製造方法 |
CN103208510B (zh) * | 2012-01-17 | 2015-08-12 | 世界先进积体电路股份有限公司 | 半导体装置及其制造方法 |
US9698261B2 (en) | 2014-06-30 | 2017-07-04 | Taiwan Semiconductor Manufacturing Co., Ltd. | Vertical device architecture |
JP2016163004A (ja) * | 2015-03-05 | 2016-09-05 | 株式会社東芝 | 半導体装置および半導体装置の製造方法 |
CN105006484A (zh) * | 2015-06-12 | 2015-10-28 | 无锡新洁能股份有限公司 | 一种超结半导体器件及其制造方法 |
CN105489501B (zh) * | 2016-01-15 | 2019-04-09 | 上海华虹宏力半导体制造有限公司 | 沟槽型超级结的制造方法 |
CN105679830A (zh) * | 2016-01-29 | 2016-06-15 | 上海华虹宏力半导体制造有限公司 | 超级结器件 |
CN107302023A (zh) * | 2017-07-13 | 2017-10-27 | 深圳市金誉半导体有限公司 | 超结型沟槽功率mosfet器件及其制备方法 |
CN111129109A (zh) * | 2019-12-04 | 2020-05-08 | 深圳第三代半导体研究院 | 一种碳化硅高压mos器件及其制造方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000133801A (ja) * | 1998-10-27 | 2000-05-12 | Toshiba Corp | 高耐圧半導体素子 |
JP2000260984A (ja) * | 1999-03-10 | 2000-09-22 | Toshiba Corp | 高耐圧半導体素子 |
JP2001332726A (ja) * | 2000-05-22 | 2001-11-30 | Hitachi Ltd | 縦形電界効果半導体装置及びその製造方法 |
JP2002076339A (ja) * | 2000-09-05 | 2002-03-15 | Fuji Electric Co Ltd | 超接合半導体素子 |
JP2006253223A (ja) * | 2005-03-08 | 2006-09-21 | Fuji Electric Holdings Co Ltd | 超接合半導体装置 |
JP2007096137A (ja) * | 2005-09-29 | 2007-04-12 | Denso Corp | 半導体基板の製造方法およびエピタキシャル成長装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US671381A (en) * | 1899-12-08 | 1901-04-02 | William R Jenkins | Hoe. |
JP3485081B2 (ja) * | 1999-10-28 | 2004-01-13 | 株式会社デンソー | 半導体基板の製造方法 |
JP3973395B2 (ja) * | 2001-10-16 | 2007-09-12 | 株式会社豊田中央研究所 | 半導体装置とその製造方法 |
JP2004200441A (ja) | 2002-12-19 | 2004-07-15 | Toyota Central Res & Dev Lab Inc | 半導体装置とその製造方法 |
US6713810B1 (en) | 2003-02-10 | 2004-03-30 | Micron Technology, Inc. | Non-volatile devices, and electronic systems comprising non-volatile devices |
JP4365601B2 (ja) | 2003-03-07 | 2009-11-18 | パナソニック電工株式会社 | 電磁装置および照明器具 |
JP4194890B2 (ja) | 2003-06-24 | 2008-12-10 | 株式会社豊田中央研究所 | 半導体装置とその製造方法 |
JP4773716B2 (ja) * | 2004-03-31 | 2011-09-14 | 株式会社デンソー | 半導体基板の製造方法 |
DE102006045912B4 (de) * | 2005-09-29 | 2011-07-21 | Sumco Corp. | Verfahren zur Fertigung einer Halbleitervorrichtung und Epitaxialwachstumseinrichtung |
-
2007
- 2007-05-14 JP JP2007128565A patent/JP4539680B2/ja not_active Expired - Fee Related
-
2008
- 2008-05-09 KR KR1020080043616A patent/KR100969851B1/ko active IP Right Grant
- 2008-05-13 CN CN200810099508A patent/CN100583455C/zh not_active Expired - Fee Related
- 2008-05-13 US US12/153,032 patent/US7915671B2/en not_active Expired - Fee Related
- 2008-05-14 DE DE102008023474A patent/DE102008023474A1/de not_active Withdrawn
-
2011
- 2011-02-10 US US13/024,347 patent/US8349693B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000133801A (ja) * | 1998-10-27 | 2000-05-12 | Toshiba Corp | 高耐圧半導体素子 |
JP2000260984A (ja) * | 1999-03-10 | 2000-09-22 | Toshiba Corp | 高耐圧半導体素子 |
JP2001332726A (ja) * | 2000-05-22 | 2001-11-30 | Hitachi Ltd | 縦形電界効果半導体装置及びその製造方法 |
JP2002076339A (ja) * | 2000-09-05 | 2002-03-15 | Fuji Electric Co Ltd | 超接合半導体素子 |
JP2006253223A (ja) * | 2005-03-08 | 2006-09-21 | Fuji Electric Holdings Co Ltd | 超接合半導体装置 |
JP2007096137A (ja) * | 2005-09-29 | 2007-04-12 | Denso Corp | 半導体基板の製造方法およびエピタキシャル成長装置 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8647948B2 (en) | 2012-01-25 | 2014-02-11 | Renesas Electronics Corporation | Method of manufacturing vertical planar power MOSFET and method of manufacturing trench-gate power MOSFET |
US8796094B2 (en) | 2012-01-25 | 2014-08-05 | Renesas Electronics Corporation | Method of manufacturing vertical planar power MOSFET and method of manufacturing trench-gate power MOSFET |
US8921927B2 (en) | 2012-01-25 | 2014-12-30 | Renesas Electronics Corporation | Method of manufacturing vertical planar power MOSFET and method of manufacturing trench-gate power MOSFET |
CN103325827A (zh) * | 2012-03-23 | 2013-09-25 | 株式会社东芝 | 半导体装置 |
JP2015023166A (ja) * | 2013-07-19 | 2015-02-02 | 株式会社東芝 | 半導体装置 |
JP6154083B1 (ja) * | 2016-03-31 | 2017-06-28 | 新電元工業株式会社 | パワー半導体装置及びパワー半導体装置の製造方法 |
WO2017168735A1 (ja) * | 2016-03-31 | 2017-10-05 | 新電元工業株式会社 | パワー半導体装置及びパワー半導体装置の製造方法 |
WO2023286235A1 (ja) * | 2021-07-15 | 2023-01-19 | 三菱電機株式会社 | 炭化珪素半導体装置および電力変換装置 |
Also Published As
Publication number | Publication date |
---|---|
JP4539680B2 (ja) | 2010-09-08 |
KR20080100775A (ko) | 2008-11-19 |
KR100969851B1 (ko) | 2010-07-13 |
US8349693B2 (en) | 2013-01-08 |
CN101308875A (zh) | 2008-11-19 |
US7915671B2 (en) | 2011-03-29 |
US20080283912A1 (en) | 2008-11-20 |
DE102008023474A1 (de) | 2008-11-20 |
CN100583455C (zh) | 2010-01-20 |
US20110136308A1 (en) | 2011-06-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4539680B2 (ja) | 半導体装置およびその製造方法 | |
JP5217257B2 (ja) | 半導体装置およびその製造方法 | |
US8829608B2 (en) | Semiconductor device | |
TWI804649B (zh) | 絕緣閘極半導體器件及用於製造絕緣閘極半導體器件的區域的方法 | |
CN102254827B (zh) | 制造超结半导体器件的方法 | |
US20070075361A1 (en) | Method for producing a trench transistor and trench transistor | |
CN103545370A (zh) | 用于功率mos晶体管的装置和方法 | |
JP2006245082A (ja) | 半導体装置 | |
KR20100019349A (ko) | 반도체 장치 및 그 제조 방법 | |
JP2002231948A (ja) | トレンチゲート型半導体装置及びその製造方法 | |
JP2007300034A (ja) | 半導体装置及び半導体装置の製造方法 | |
JP2009200300A (ja) | 半導体装置およびその製造方法 | |
JP5299373B2 (ja) | 半導体素子 | |
JP4595327B2 (ja) | 半導体素子 | |
US11227945B2 (en) | Transistor having at least one transistor cell with a field electrode | |
CN105826360A (zh) | 沟槽型半超结功率器件及其制作方法 | |
JP2008306022A (ja) | 半導体装置 | |
JP2009016480A (ja) | 半導体装置、及び半導体装置の製造方法 | |
JP4491307B2 (ja) | 半導体装置およびその製造方法 | |
JP2005045123A (ja) | トレンチゲート型半導体装置およびその製造方法 | |
US8072027B2 (en) | 3D channel architecture for semiconductor devices | |
JP2010010583A (ja) | 半導体装置及びその製造方法 | |
US20240304708A1 (en) | Insulated gate bipolar transistor and method of manufacturing same | |
CN103378147B (zh) | 双垂直沟道晶体管 | |
JP2009295749A (ja) | 半導体装置及びその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080909 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090610 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20091104 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20091223 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100601 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100614 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 4539680 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130702 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |