JP7231427B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP7231427B2 JP7231427B2 JP2019021248A JP2019021248A JP7231427B2 JP 7231427 B2 JP7231427 B2 JP 7231427B2 JP 2019021248 A JP2019021248 A JP 2019021248A JP 2019021248 A JP2019021248 A JP 2019021248A JP 7231427 B2 JP7231427 B2 JP 7231427B2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/66—Vertical DMOS [VDMOS] FETs
- H10D30/668—Vertical DMOS [VDMOS] FETs having trench gate electrodes, e.g. UMOS transistors
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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/66—Vertical DMOS [VDMOS] FETs
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- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/124—Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
- H10D62/126—Top-view geometrical layouts of the regions or the junctions
- H10D62/127—Top-view geometrical layouts of the regions or the junctions of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
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- H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
- H10D62/149—Source or drain regions of field-effect devices
- H10D62/151—Source or drain regions of field-effect devices of IGFETs
- H10D62/152—Source regions of DMOS transistors
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- H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
- H10D62/149—Source or drain regions of field-effect devices
- H10D62/151—Source or drain regions of field-effect devices of IGFETs
- H10D62/156—Drain regions of DMOS transistors
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- 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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- H10D64/00—Electrodes of devices having potential barriers
- H10D64/111—Field plates
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- H10D64/117—Recessed field plates, e.g. trench field plates or buried field plates
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- H10D64/23—Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
- H10D64/251—Source or drain electrodes for field-effect devices
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- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/23—Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
- H10D64/251—Source or drain electrodes for field-effect devices
- H10D64/252—Source or drain electrodes for field-effect devices for vertical or pseudo-vertical devices
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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
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/512—Disposition of the gate electrodes, e.g. buried gates
- H10D64/513—Disposition of the gate electrodes, e.g. buried gates within recesses in the substrate, e.g. trench gates, groove gates or buried gates
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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
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/517—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers
- H10D64/519—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers characterised by their top-view geometrical layouts
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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
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/23—Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
- H10D64/251—Source or drain electrodes for field-effect devices
- H10D64/252—Source or drain electrodes for field-effect devices for vertical or pseudo-vertical devices
- H10D64/2527—Source or drain electrodes for field-effect devices for vertical or pseudo-vertical devices for vertical devices wherein the source or drain electrodes are recessed in semiconductor bodies
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Description
Claims (2)
- 第1導電形の第1半導体層を含む半導体部と、
前記半導体部の裏面上に設けられた第1電極と、
前記半導体部の表面側に設けられた第2電極と、
前記半導体部の表面側に設けられ、前記半導体部および前記第2電極から電気的に絶縁された第3電極と、
前記半導体部の前記表面に平行な第1方向に延伸する第1部分と、
前記半導体部の前記表面に平行な第2方向であって、前記第1方向と交差する第2方向に延伸する第2部分と、
を含み、前記半導体部と前記第2電極との間に位置し、前記半導体部との間には第1絶縁膜が設けられ、前記第2電極との間には第2絶縁膜が設けられた複数の制御電極と、
前記第3電極および前記複数の制御電極のそれぞれの前記第1部分に電気的に接続され、前記半導体部の前記表面に平行な第3方向であって、前記第1方向と交差する第3方向に延伸する第1制御配線と、
前記第3電極および前記複数の制御電極のそれぞれの第2部分に電気的に接続され、前記半導体部の前記表面に平行な第4方向であって、前記第2方向と交差する第4方向に延伸する第2制御配線と、
前記複数の制御電極のそれぞれにおける前記第1部分と前記第2部分との接続部の上方に位置し、前記半導体部の前記表面に沿って延伸し、前記接続部の少なくとも1つと前記第3電極を電気的に接続する第3制御配線と、
を備え、
前記半導体部は、第2導電形の第2半導体層と、第1導電形の第3半導体層と、をさらに含み、
前記第2半導体層は、前記第1半導体層と前記第2電極との間に設けられ、前記第1絶縁膜を介して前記複数の制御電極のいずれかに向き合い、
前記第3半導体層は、前記第2半導体層と前記第2電極との間に選択的に設けられ、且つ、前記第2電極に電気的に接続され、
前記複数の制御電極の前記第1部分は前記第3方向に並び、前記第2部分は前記第4方向に並ぶ、半導体装置。 - 前記半導体部内に設けられ、前記制御電極と前記第1半導体層との間に位置するフィールドプレートをさらに備え、
前記フィールドプレートは、前記制御電極に沿った方向に延伸し、前記第2電極に電気
的に接続される請求項1記載の半導体装置。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019021248A JP7231427B2 (ja) | 2019-02-08 | 2019-02-08 | 半導体装置 |
| CN201910728940.5A CN111554743B (zh) | 2019-02-08 | 2019-08-08 | 半导体装置 |
| US16/543,942 US11018251B2 (en) | 2019-02-08 | 2019-08-19 | Semiconductor device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019021248A JP7231427B2 (ja) | 2019-02-08 | 2019-02-08 | 半導体装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2020129595A JP2020129595A (ja) | 2020-08-27 |
| JP7231427B2 true JP7231427B2 (ja) | 2023-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2019021248A Active JP7231427B2 (ja) | 2019-02-08 | 2019-02-08 | 半導体装置 |
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| Country | Link |
|---|---|
| US (1) | US11018251B2 (ja) |
| JP (1) | JP7231427B2 (ja) |
| CN (1) | CN111554743B (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7249269B2 (ja) * | 2019-12-27 | 2023-03-30 | 株式会社東芝 | 半導体装置およびその製造方法 |
| JP7319754B2 (ja) * | 2020-08-19 | 2023-08-02 | 株式会社東芝 | 半導体装置 |
| DE102022105886A1 (de) * | 2022-03-14 | 2023-09-14 | Infineon Technologies Ag | Halbleitervorrichtung mit makrozellen |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002533936A (ja) | 1998-12-18 | 2002-10-08 | インフィネオン テクノロジース アクチエンゲゼルシャフト | 溝型のゲート電極および本体領域内で付加的に高度にドープされた層を有する電界効果型トランジスタ装置 |
| JP2010182985A (ja) | 2009-02-09 | 2010-08-19 | Toyota Motor Corp | 半導体装置 |
| JP2017017078A (ja) | 2015-06-29 | 2017-01-19 | 株式会社東芝 | 半導体装置 |
| JP2017162909A (ja) | 2016-03-08 | 2017-09-14 | 株式会社東芝 | 半導体装置 |
| JP2018078153A (ja) | 2016-11-07 | 2018-05-17 | トヨタ自動車株式会社 | 半導体装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5011843B1 (ja) | 1970-10-29 | 1975-05-07 | ||
| JP3410949B2 (ja) | 1998-02-12 | 2003-05-26 | 株式会社東芝 | 半導体装置 |
| JP3455414B2 (ja) | 1998-03-17 | 2003-10-14 | 株式会社東芝 | 絶縁ゲート型半導体装置及びその製造方法 |
| JP2006202931A (ja) * | 2005-01-20 | 2006-08-03 | Renesas Technology Corp | 半導体装置およびその製造方法 |
| JP5011843B2 (ja) | 2006-06-22 | 2012-08-29 | 株式会社デンソー | 半導体装置 |
| JP5867617B2 (ja) * | 2012-10-17 | 2016-02-24 | 富士電機株式会社 | 半導体装置 |
| JP2016040820A (ja) * | 2013-09-20 | 2016-03-24 | サンケン電気株式会社 | 半導体装置 |
| JP2016062981A (ja) * | 2014-09-16 | 2016-04-25 | 株式会社東芝 | 半導体装置及びその製造方法 |
| JP6668798B2 (ja) | 2015-07-15 | 2020-03-18 | 富士電機株式会社 | 半導体装置 |
| US10332990B2 (en) | 2015-07-15 | 2019-06-25 | Fuji Electric Co., Ltd. | Semiconductor device |
-
2019
- 2019-02-08 JP JP2019021248A patent/JP7231427B2/ja active Active
- 2019-08-08 CN CN201910728940.5A patent/CN111554743B/zh active Active
- 2019-08-19 US US16/543,942 patent/US11018251B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002533936A (ja) | 1998-12-18 | 2002-10-08 | インフィネオン テクノロジース アクチエンゲゼルシャフト | 溝型のゲート電極および本体領域内で付加的に高度にドープされた層を有する電界効果型トランジスタ装置 |
| JP2010182985A (ja) | 2009-02-09 | 2010-08-19 | Toyota Motor Corp | 半導体装置 |
| JP2017017078A (ja) | 2015-06-29 | 2017-01-19 | 株式会社東芝 | 半導体装置 |
| JP2017162909A (ja) | 2016-03-08 | 2017-09-14 | 株式会社東芝 | 半導体装置 |
| JP2018078153A (ja) | 2016-11-07 | 2018-05-17 | トヨタ自動車株式会社 | 半導体装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US11018251B2 (en) | 2021-05-25 |
| US20200259015A1 (en) | 2020-08-13 |
| JP2020129595A (ja) | 2020-08-27 |
| CN111554743A (zh) | 2020-08-18 |
| CN111554743B (zh) | 2023-09-15 |
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