JP6101183B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6101183B2 JP6101183B2 JP2013205884A JP2013205884A JP6101183B2 JP 6101183 B2 JP6101183 B2 JP 6101183B2 JP 2013205884 A JP2013205884 A JP 2013205884A JP 2013205884 A JP2013205884 A JP 2013205884A JP 6101183 B2 JP6101183 B2 JP 6101183B2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/111—Field plates
- H10D64/112—Field plates comprising multiple field plate segments
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D12/00—Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
- H10D12/01—Manufacture or treatment
- H10D12/031—Manufacture or treatment of IGBTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D12/00—Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
- H10D12/01—Manufacture or treatment
- H10D12/031—Manufacture or treatment of IGBTs
- H10D12/032—Manufacture or treatment of IGBTs of vertical IGBTs
- H10D12/038—Manufacture or treatment of IGBTs of vertical IGBTs having a recessed gate, e.g. trench-gate IGBTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D12/00—Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
- H10D12/411—Insulated-gate bipolar transistors [IGBT]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D12/00—Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
- H10D12/411—Insulated-gate bipolar transistors [IGBT]
- H10D12/441—Vertical IGBTs
- H10D12/461—Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions
- H10D12/481—Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions having gate structures on slanted surfaces, on vertical surfaces, or in grooves, e.g. trench gate IGBTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
- H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
- H10D62/105—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE]
- H10D62/106—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE] having supplementary regions doped oppositely to or in rectifying contact with regions of the semiconductor bodies, e.g. guard rings with PN or Schottky junctions
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/80—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
- H10D62/83—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge
- H10D62/832—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge being Group IV materials comprising two or more elements, e.g. SiGe
- H10D62/8325—Silicon carbide
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
- H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
- H10D62/104—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices having particular shapes of the bodies at or near reverse-biased junctions, e.g. having bevels or moats
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/393—Body regions of DMOS transistors or IGBTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/80—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
- H10D62/85—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group III-V materials, e.g. GaAs
- H10D62/8503—Nitride Group III-V materials, e.g. AlN or GaN
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- Electrodes Of Semiconductors (AREA)
Description
図1は第1の実施形態に係る半導体装置100の一例を示す平面図であり、IGBT(Insulated Gate Bipolar Transistor)素子が設けられるセル領域の外側に第1終端領域及び第2終端領域が設けられている。図2は図1のA−A’における断面の一部を示した図である。
以下に、図5を用いて第2の実施形態について説明する。なお、第2の実施形態について、第1の実施形態と同様の点については説明を省略し、異なる点について説明する。
以下に、図6を用いて第3の実施形態について説明する。なお、第3の実施形態について、第2の実施形態と同様の点については説明を省略し、異なる点について説明する。
以下に、第4の実施形態に係る半導体装置103について説明する。なお、第4の実施形態について、第3の実施形態と同様の点については説明を省略し、異なる点について説明する。図10は第4の実施形態に係る半導体装置103の構成の一例を示す縦断面図であり、IGBT素子が設けられるセル領域及びセル領域外側に位置する終端領域を示している。また、図10は図11及び図12のG−G’線における縦断面図である。
Claims (3)
- セル領域と、前記セル領域を囲む第1終端領域と、前記第1終端領域を囲む第2終端領域とを有する第1導電型の第1半導体層と、
前記第1半導体層上に設けられた第1絶縁層と、
前記セル領域において、前記第1半導体層と前記第1絶縁層との間に位置するように設けられた第2導電型の第2半導体層と、
前記第2半導体層上に設けられた第1導電型の第3半導体層と、
前記第1絶縁層上に設けられ、前記第3半導体層と電気的に接続されるように設けられたエミッタ電極と、
前記第1終端領域において、前記第1半導体層と前記第1絶縁層との間に設けられ、前記エミッタ電極と電気的に接続された第2導電型の第4半導体層と、
前記第2終端領域において、前記第1半導体層と前記第1絶縁層との間に設けられ、フローティング電位を有する第2導電型の第5半導体層と、
前記第1終端領域における前記第1絶縁層内に設けられ、前記第1半導体層との距離がセル領域から離れるに従い長くなり、前記第1終端領域に設けられた前記第4半導体層と電気的に接続された複数のエミッタ電位電極と、
前記第2終端領域における前記第1絶縁層内に設けられ、前記第1半導体層との距離がセル領域から離れるに従い長くなり、前記第2終端領域に設けられた前記第5半導体層と電気的に接続された複数のフローティング電極と、
を有する半導体装置。 - 前記エミッタ電位電極、及び前記フローティング電極の少なくとも一部は、前記第1半導体層と前記第1絶縁層との界面に平行となるように設けられた請求項1に記載の半導体装置。
- 前記第1終端領域、または前記第2終端領域において、前記第1絶縁層と前記第1半導体層との間に設けられた第2絶縁層を更に有する請求項1乃至2のいずれか1つに記載の半
導体装置。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013205884A JP6101183B2 (ja) | 2013-06-20 | 2013-09-30 | 半導体装置 |
| CN201410071801.7A CN104241347B (zh) | 2013-06-20 | 2014-02-28 | 半导体装置 |
| US14/195,784 US9653557B2 (en) | 2013-06-20 | 2014-03-03 | Semiconductor device |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2013130029 | 2013-06-20 | ||
| JP2013130029 | 2013-06-20 | ||
| JP2013205884A JP6101183B2 (ja) | 2013-06-20 | 2013-09-30 | 半導体装置 |
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| Publication Number | Publication Date |
|---|---|
| JP2015026797A JP2015026797A (ja) | 2015-02-05 |
| JP6101183B2 true JP6101183B2 (ja) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2013205884A Active JP6101183B2 (ja) | 2013-06-20 | 2013-09-30 | 半導体装置 |
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| Country | Link |
|---|---|
| US (1) | US9653557B2 (ja) |
| JP (1) | JP6101183B2 (ja) |
| CN (1) | CN104241347B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11798997B2 (en) | 2021-03-19 | 2023-10-24 | Kabushiki Kaisha Toshiba | Semiconductor device |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2533063B (en) * | 2014-01-16 | 2016-09-28 | Ideal Power Inc | Semiconductor device structures with reduced sensitivity to surface charge |
| JP2016035989A (ja) * | 2014-08-04 | 2016-03-17 | 株式会社東芝 | 半導体装置 |
| WO2016121968A1 (ja) * | 2015-01-29 | 2016-08-04 | 富士電機株式会社 | 半導体装置 |
| JP2016174040A (ja) | 2015-03-16 | 2016-09-29 | 株式会社東芝 | 半導体装置 |
| CN104882382B (zh) * | 2015-05-19 | 2018-01-12 | 上海先进半导体制造股份有限公司 | Mosfet终端结构及其制造方法 |
| KR101872069B1 (ko) * | 2015-05-22 | 2018-06-28 | 매그나칩 반도체 유한회사 | 플로팅 구조를 갖는 쇼트키 다이오드 |
| JP6576777B2 (ja) * | 2015-10-01 | 2019-09-18 | 株式会社 日立パワーデバイス | 半導体装置およびそれを用いる電力変換装置 |
| US9806186B2 (en) * | 2015-10-02 | 2017-10-31 | D3 Semiconductor LLC | Termination region architecture for vertical power transistors |
| JP6834156B2 (ja) * | 2016-03-16 | 2021-02-24 | 富士電機株式会社 | 半導体装置および製造方法 |
| JP2019054170A (ja) | 2017-09-15 | 2019-04-04 | 株式会社東芝 | 半導体装置 |
| JP6987015B2 (ja) * | 2018-04-26 | 2021-12-22 | 三菱電機株式会社 | 半導体装置 |
| JP7170894B2 (ja) * | 2019-10-08 | 2022-11-14 | 三菱電機株式会社 | 半導体装置 |
| JP7806407B2 (ja) * | 2021-07-21 | 2026-01-27 | 富士電機株式会社 | 半導体装置および半導体装置の製造方法 |
| JP7821079B2 (ja) * | 2022-09-21 | 2026-02-26 | 株式会社東芝 | 半導体装置およびその製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3141203A1 (de) | 1981-10-16 | 1983-04-28 | Siemens AG, 1000 Berlin und 8000 München | Planares halbleiterbauelement |
| DE3220250A1 (de) | 1982-05-28 | 1983-12-01 | Siemens AG, 1000 Berlin und 8000 München | Halbleiterbauelement mit planarstruktur |
| DE58905356D1 (de) | 1988-05-11 | 1993-09-30 | Siemens Ag | MOS-Halbleiterbauelement für hohe Sperrspannung. |
| JPH08306937A (ja) * | 1995-04-28 | 1996-11-22 | Fuji Electric Co Ltd | 高耐圧半導体装置 |
| DE19535322A1 (de) | 1995-09-22 | 1997-03-27 | Siemens Ag | Anordnung mit einem pn-Übergang und einer Maßnahme zur Herabsetzung der Gefahr eines Durchbruchs des pn-Übergangs |
| KR0175277B1 (ko) * | 1996-02-29 | 1999-02-01 | 김광호 | 중첩된 필드플레이트구조를 갖는 전력반도체장치 및 그의 제조방법 |
| DE19839970C2 (de) * | 1998-09-02 | 2000-11-02 | Siemens Ag | Randstruktur und Driftbereich für ein Halbleiterbauelement sowie Verfahren zu ihrer Herstellung |
| DE10330571B8 (de) | 2003-07-07 | 2007-03-08 | Infineon Technologies Ag | Vertikale Leistungshalbleiterbauelemente mit Injektionsdämpfungsmittel im Rand bereich und Herstellungsverfahren dafür |
| JP4731816B2 (ja) * | 2004-01-26 | 2011-07-27 | 三菱電機株式会社 | 半導体装置 |
| JP2007123570A (ja) * | 2005-10-28 | 2007-05-17 | Toyota Industries Corp | 半導体装置 |
| JP2008187125A (ja) | 2007-01-31 | 2008-08-14 | Toshiba Corp | 半導体装置 |
| CN101345254A (zh) * | 2007-07-12 | 2009-01-14 | 富士电机电子技术株式会社 | 半导体器件 |
| JP2009253126A (ja) | 2008-04-09 | 2009-10-29 | Sanken Electric Co Ltd | 半導体装置 |
| JP5391447B2 (ja) * | 2009-04-06 | 2014-01-15 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
| JP5691267B2 (ja) | 2010-07-06 | 2015-04-01 | サンケン電気株式会社 | 半導体装置 |
| JP5740108B2 (ja) | 2010-07-16 | 2015-06-24 | 株式会社東芝 | 半導体装置 |
| JP2012134198A (ja) * | 2010-12-20 | 2012-07-12 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
| JP2014078689A (ja) | 2012-09-20 | 2014-05-01 | Toshiba Corp | 電力用半導体装置、および、電力用半導体装置の製造方法 |
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- 2013-09-30 JP JP2013205884A patent/JP6101183B2/ja active Active
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2014
- 2014-02-28 CN CN201410071801.7A patent/CN104241347B/zh active Active
- 2014-03-03 US US14/195,784 patent/US9653557B2/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11798997B2 (en) | 2021-03-19 | 2023-10-24 | Kabushiki Kaisha Toshiba | Semiconductor device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104241347B (zh) | 2017-10-31 |
| JP2015026797A (ja) | 2015-02-05 |
| CN104241347A (zh) | 2014-12-24 |
| US20140374791A1 (en) | 2014-12-25 |
| US9653557B2 (en) | 2017-05-16 |
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