JP4797484B2 - Flr領域を有する半導体素子 - Google Patents
Flr領域を有する半導体素子 Download PDFInfo
- Publication number
- JP4797484B2 JP4797484B2 JP2005211442A JP2005211442A JP4797484B2 JP 4797484 B2 JP4797484 B2 JP 4797484B2 JP 2005211442 A JP2005211442 A JP 2005211442A JP 2005211442 A JP2005211442 A JP 2005211442A JP 4797484 B2 JP4797484 B2 JP 4797484B2
- Authority
- JP
- Japan
- Prior art keywords
- region
- flr
- semiconductor
- semiconductor region
- electrode
- 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.)
- Active
Links
Images
Landscapes
- Semiconductor Integrated Circuits (AREA)
Description
Claims (3)
- 第1の導電型を有する第1の半導体領域と、前記第1の半導体領域を包囲し且つ前記第1の半導体領域に隣接して配置されて前記第1の導電型とは反対の第2の導電型を有する第2の半導体領域とを備え、
第1の導電型の半導体領域から成るFLR領域を前記第2の半導体領域内に形成し、
前記FLR領域は、前記第1の半導体領域を離間して包囲し且つ前記第1の半導体領域の延伸する方向に互いに離間して配置された複数のFLR領域により構成され、
前記第1の半導体領域は、第1の電極接続領域と、第2の電極接続領域と、前記第1の電極接続領域と第2の電極接続領域とを接続する帯状領域とにより、前記第2の半導体領域内に帯状に形成され、
前記FLR領域は、前記第1の半導体領域の第1の電極接続領域側に形成される第1のFLR領域と、前記第1の半導体領域の第2の電極接続領域側に形成される第2のFLR領域とを有し、
前記第1のFLR領域と第2のFLR領域は、前記第1の半導体領域が帯状に延伸する方向に互いに離間して配置され、
前記第1の半導体領域と前記FLR領域の第1のFLR領域との距離は、前記第1の半導体領域と前記FLR領域の第2のFLR領域との距離よりも大きいことを特徴とするFLR領域を有する半導体素子。 - 前記FLR領域は、前記第1のFLR領域と第2のFLR領域との間に点在して配置される第3のFLR領域を有する請求項1に記載の半導体素子。
- 前記第1の半導体領域と前記FLR領域の第3のFLR領域との距離は、前記FLR領域の第1のFLR領域に接近する程大きい請求項2に記載の半導体素子。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005211442A JP4797484B2 (ja) | 2005-07-21 | 2005-07-21 | Flr領域を有する半導体素子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005211442A JP4797484B2 (ja) | 2005-07-21 | 2005-07-21 | Flr領域を有する半導体素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007027637A JP2007027637A (ja) | 2007-02-01 |
JP4797484B2 true JP4797484B2 (ja) | 2011-10-19 |
Family
ID=37787962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005211442A Active JP4797484B2 (ja) | 2005-07-21 | 2005-07-21 | Flr領域を有する半導体素子 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4797484B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010278243A (ja) * | 2009-05-28 | 2010-12-09 | Sanyo Electric Co Ltd | 半導体保護装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57201062A (en) * | 1981-06-05 | 1982-12-09 | Nec Corp | Semiconductor device |
JPS61220377A (ja) * | 1985-03-26 | 1986-09-30 | Matsushita Electronics Corp | 半導体装置 |
JPH0281468A (ja) * | 1988-09-17 | 1990-03-22 | Mitsubishi Electric Corp | 入力保護回路 |
JP2004296803A (ja) * | 2003-03-27 | 2004-10-21 | Sanken Electric Co Ltd | 半導体素子 |
JP4697384B2 (ja) * | 2004-01-19 | 2011-06-08 | サンケン電気株式会社 | 半導体装置 |
-
2005
- 2005-07-21 JP JP2005211442A patent/JP4797484B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2007027637A (ja) | 2007-02-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3751463B2 (ja) | 高耐圧半導体素子 | |
JP5511124B2 (ja) | 絶縁ゲート型半導体装置 | |
JP2005005443A (ja) | 高耐圧半導体装置 | |
JPWO2015080162A1 (ja) | 半導体装置 | |
JP2008085188A (ja) | 絶縁ゲート型半導体装置 | |
JP2007324261A (ja) | 半導体装置 | |
JP2009088159A (ja) | 半導体装置 | |
JP2017135245A (ja) | 半導体装置 | |
JP2017045827A (ja) | 半導体装置 | |
JP2007096143A (ja) | 横型半導体デバイス | |
US9257501B2 (en) | Semiconductor device | |
JP2006269633A (ja) | 電力用半導体装置 | |
JP2014067986A (ja) | 半導体装置 | |
JP5068057B2 (ja) | 半導体装置 | |
JP7188230B2 (ja) | 半導体装置 | |
JP4797484B2 (ja) | Flr領域を有する半導体素子 | |
JP6635900B2 (ja) | 半導体装置 | |
JP5375270B2 (ja) | 半導体装置 | |
JP7352360B2 (ja) | 半導体装置 | |
JP7338242B2 (ja) | 半導体装置 | |
JP6362925B2 (ja) | 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 | |
JP4029549B2 (ja) | 半導体装置 | |
JP4697384B2 (ja) | 半導体装置 | |
JP4692481B2 (ja) | 高耐圧横型mosfetを備える半導体装置 | |
US11824084B2 (en) | Power semiconductor device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080605 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110421 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20110421 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110523 |
|
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: 20110705 |
|
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: 20110718 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140812 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4797484 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
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 |
|
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 |