Laser-gated and pumped multi-layer semiconductor power switch with reduced forward losses
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Feb 21, 2006
Grant Date -
Mar 3, 2005
app pub date -
Aug 29, 2003
filing date -
Aug 29, 2003
priority date (Note) -
In Force
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Abstract
A laser-activated semiconductor switching device includes a semiconductor assembly including a multi-layer semiconductor structure having a first principal surface, and a laser assembly. The laser assembly includes at least one laser device and is directly connected to said first principal surface. The first principal surface includes a window area from which a metallization layer and an emitter layer of the semiconductor assembly are masked, such that laser light emitted from the laser assembly impinges through the window area directly onto a base layer of said semiconductor assembly to initiate current conduction by said switching device.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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NAVY GOVERNMENT OF THE UNITED STATES THE REPRESENTED BY THE SECRETARY OF THE | 4555 OVERLOOK AVENUE SW NAVAL RESEARCH LABORATORY WASHINGTON DC 20375-5320 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Giorgi, David | Solana Beach, CA | 7 | 100 |
# of filed Patents : 7 Total Citations : 100 | |||
Sethian, John | Burke, VA | 2 | 4 |
# of filed Patents : 2 Total Citations : 4 | |||
Weidenheimer, Douglas M | Brentwood, CA | 8 | 170 |
# of filed Patents : 8 Total Citations : 170 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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Jun 22, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Jan 23, 2018 | I | Issuance | |
Jan 03, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jan 14, 2016 | P | Published | |
Jun 19, 2015 | F | Filing | |
Jun 02, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:YANG, WEIBIN;REEL/FRAME:035870/0231 Owner name: BEIQI FOTON MOTOR CO., LTD., CHINA Effective Date: Jun 02, 2015 |
Jul 14, 2014 | PD | Priority Date |

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