CN102856382B - 碳化硅半导体器件 - Google Patents
碳化硅半导体器件 Download PDFInfo
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- CN102856382B CN102856382B CN201210226273.9A CN201210226273A CN102856382B CN 102856382 B CN102856382 B CN 102856382B CN 201210226273 A CN201210226273 A CN 201210226273A CN 102856382 B CN102856382 B CN 102856382B
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 83
- 230000001154 acute effect Effects 0.000 claims abstract description 20
- 235000009508 confectionery Nutrition 0.000 claims abstract description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 94
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 89
- 239000000758 substrate Substances 0.000 claims description 65
- 239000012535 impurity Substances 0.000 claims description 26
- 239000012212 insulator Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000010410 layer Substances 0.000 description 57
- 238000000034 method Methods 0.000 description 10
- 238000005530 etching Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000001020 plasma etching Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000009467 reduction Effects 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
- H01L29/76—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
- H01L29/08—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 carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0843—Source or drain regions of field-effect devices
- H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
- H01L29/0852—Source or drain regions of field-effect devices of field-effect transistors with insulated gate of DMOS transistors
- H01L29/0856—Source regions
- H01L29/0865—Disposition
-
- 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
- H01L29/4236—Disposition, e.g. buried gate electrode within a trench, e.g. trench gate electrode, groove 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66053—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide
- H01L29/66068—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide 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
-
- 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
-
- 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
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/16—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic Table
- H01L29/1608—Silicon carbide
-
- 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
- H01L29/7816—Lateral DMOS transistors, i.e. LDMOS transistors
- H01L29/7825—Lateral DMOS transistors, i.e. LDMOS transistors with 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
- H01L29/66—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
- H01L29/7827—Vertical transistors
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- 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)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
- Junction Field-Effect Transistors (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011144320A JP5673393B2 (ja) | 2011-06-29 | 2011-06-29 | 炭化珪素半導体装置 |
JP144320/2011 | 2011-06-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102856382A CN102856382A (zh) | 2013-01-02 |
CN102856382B true CN102856382B (zh) | 2016-01-20 |
Family
ID=47355378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210226273.9A Expired - Fee Related CN102856382B (zh) | 2011-06-29 | 2012-06-29 | 碳化硅半导体器件 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9136372B2 (zh) |
JP (1) | JP5673393B2 (zh) |
CN (1) | CN102856382B (zh) |
DE (1) | DE102012211221B4 (zh) |
Families Citing this family (56)
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JP2013131512A (ja) | 2011-12-20 | 2013-07-04 | Sumitomo Electric Ind Ltd | 半導体装置およびその製造方法 |
JP2013145770A (ja) | 2012-01-13 | 2013-07-25 | Sumitomo Electric Ind Ltd | 半導体装置およびその製造方法 |
JP6047297B2 (ja) * | 2012-04-09 | 2016-12-21 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US9293558B2 (en) * | 2012-11-26 | 2016-03-22 | Infineon Technologies Austria Ag | Semiconductor device |
WO2014103256A1 (ja) * | 2012-12-28 | 2014-07-03 | 三菱電機株式会社 | 炭化珪素半導体装置およびその製造方法 |
CN109755321B (zh) * | 2013-02-05 | 2022-02-18 | 三菱电机株式会社 | 绝缘栅型碳化硅半导体装置及其制造方法 |
JP6131689B2 (ja) * | 2013-04-16 | 2017-05-24 | 住友電気工業株式会社 | 炭化珪素半導体装置の製造方法 |
US9082790B2 (en) * | 2013-07-18 | 2015-07-14 | Alpha And Omega Semiconductor Incorporated | Normally on high voltage switch |
US20150179794A1 (en) * | 2013-12-24 | 2015-06-25 | Hyundai Motor Company | Semiconductor device and method of manufacturing the same |
DE102014107325B4 (de) * | 2014-05-23 | 2023-08-10 | Infineon Technologies Ag | Halbleiterbauelement und verfahren zum herstellen eines halbleiterbauelements |
JP6479347B2 (ja) * | 2014-06-06 | 2019-03-06 | ローム株式会社 | SiCエピタキシャルウェハの製造装置、およびSiCエピタキシャルウェハの製造方法 |
DE102014019903B3 (de) | 2014-12-03 | 2022-09-22 | Infineon Technologies Ag | Halbleiterbauelement mit einer Grabenelektrode |
DE102014117780B4 (de) * | 2014-12-03 | 2018-06-21 | Infineon Technologies Ag | Halbleiterbauelement mit einer Grabenelektrode und Verfahren zur Herstellung |
US9577073B2 (en) * | 2014-12-11 | 2017-02-21 | Infineon Technologies Ag | Method of forming a silicon-carbide device with a shielded gate |
DE102014119465B3 (de) | 2014-12-22 | 2016-05-25 | Infineon Technologies Ag | Halbleitervorrichtung mit streifenförmigen trenchgatestrukturen, transistormesas und diodenmesas |
DE102015103070B4 (de) * | 2015-03-03 | 2021-09-23 | Infineon Technologies Ag | Leistungshalbleitervorrichtung mit trenchgatestrukturen mit zu einer hauptkristallrichtung geneigten längsachsen und herstellungsverfahren |
JP6509673B2 (ja) | 2015-08-10 | 2019-05-08 | 株式会社東芝 | 半導体装置 |
US10199457B2 (en) * | 2015-12-03 | 2019-02-05 | Mitsubishi Electric Corporation | Silicon carbide semiconductor device |
DE102015121566B4 (de) * | 2015-12-10 | 2021-12-09 | Infineon Technologies Ag | Halbleiterbauelemente und eine Schaltung zum Steuern eines Feldeffekttransistors eines Halbleiterbauelements |
DE102016226237A1 (de) | 2016-02-01 | 2017-08-03 | Fuji Electric Co., Ltd. | Siliziumcarbid-halbleitervorrichtung und verfahren zum herstellen einer siliziumcarbid-halbleitervorrichtung |
JP6115678B1 (ja) * | 2016-02-01 | 2017-04-19 | 富士電機株式会社 | 炭化珪素半導体装置および炭化珪素半導体装置の製造方法 |
JP6560142B2 (ja) * | 2016-02-26 | 2019-08-14 | トヨタ自動車株式会社 | スイッチング素子 |
JP6560141B2 (ja) * | 2016-02-26 | 2019-08-14 | トヨタ自動車株式会社 | スイッチング素子 |
US20170345905A1 (en) | 2016-05-24 | 2017-11-30 | Infineon Technologies Ag | Wide-Bandgap Semiconductor Device with Trench Gate Structures |
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JP6625938B2 (ja) * | 2016-07-22 | 2019-12-25 | 株式会社東芝 | 半導体装置、半導体装置の製造方法、インバータ回路、駆動装置、車両、及び、昇降機 |
JP2018056380A (ja) * | 2016-09-29 | 2018-04-05 | トヨタ自動車株式会社 | スイッチング素子 |
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CN110709997B (zh) | 2017-06-06 | 2023-02-28 | 三菱电机株式会社 | 半导体装置以及电力变换装置 |
CN108183131A (zh) * | 2017-12-05 | 2018-06-19 | 中国电子科技集团公司第五十五研究所 | 一种集成sbd结构的单侧mos型器件制备方法 |
JP6494733B2 (ja) * | 2017-12-06 | 2019-04-03 | ローム株式会社 | 半導体装置 |
JP7331914B2 (ja) * | 2017-12-11 | 2023-08-23 | 富士電機株式会社 | 絶縁ゲート型半導体装置及びその製造方法 |
JP7151076B2 (ja) * | 2017-12-11 | 2022-10-12 | 富士電機株式会社 | 絶縁ゲート型半導体装置 |
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JP7210182B2 (ja) * | 2018-07-26 | 2023-01-23 | 株式会社東芝 | 半導体装置、インバータ回路、駆動装置、車両、及び、昇降機 |
IT201800007780A1 (it) * | 2018-08-02 | 2020-02-02 | St Microelectronics Srl | Dispositivo mosfet in carburo di silicio e relativo metodo di fabbricazione |
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CN114122122B (zh) * | 2020-08-26 | 2023-09-12 | 比亚迪半导体股份有限公司 | 一种沟槽型半导体器件及其制造方法 |
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WO2024060259A1 (zh) * | 2022-09-23 | 2024-03-28 | 华为数字能源技术有限公司 | 半导体器件、其制备方法、功率转换电路及车辆 |
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JP3471509B2 (ja) | 1996-01-23 | 2003-12-02 | 株式会社デンソー | 炭化珪素半導体装置 |
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JP4813762B2 (ja) | 2003-12-25 | 2011-11-09 | ルネサスエレクトロニクス株式会社 | 半導体装置及びその製造方法 |
JP5002148B2 (ja) | 2005-11-24 | 2012-08-15 | 株式会社東芝 | 半導体装置 |
JP5309587B2 (ja) * | 2008-02-07 | 2013-10-09 | 富士電機株式会社 | 炭化珪素半導体基板のトレンチエッチング方法 |
JP4640436B2 (ja) | 2008-04-14 | 2011-03-02 | 株式会社デンソー | 炭化珪素半導体装置の製造方法 |
JP5721351B2 (ja) | 2009-07-21 | 2015-05-20 | ローム株式会社 | 半導体装置 |
US8384151B2 (en) * | 2011-01-17 | 2013-02-26 | Infineon Technologies Austria Ag | Semiconductor device and a reverse conducting IGBT |
-
2011
- 2011-06-29 JP JP2011144320A patent/JP5673393B2/ja active Active
-
2012
- 2012-06-25 US US13/531,793 patent/US9136372B2/en active Active
- 2012-06-28 DE DE102012211221.9A patent/DE102012211221B4/de not_active Expired - Fee Related
- 2012-06-29 CN CN201210226273.9A patent/CN102856382B/zh not_active Expired - Fee Related
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JP5673393B2 (ja) | 2015-02-18 |
US20130001592A1 (en) | 2013-01-03 |
CN102856382A (zh) | 2013-01-02 |
JP2013012590A (ja) | 2013-01-17 |
DE102012211221B4 (de) | 2020-07-02 |
DE102012211221A1 (de) | 2013-01-03 |
US9136372B2 (en) | 2015-09-15 |
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