Photoconductive switch package

Ca[rasp, George J

Title: Photoconductive switch package

Patent · Tue Oct 22 00:00:00 EDT 2013

OSTI ID:1107601

Ca[rasp, George J

A photoconductive switch is formed of a substrate that has a central portion of SiC or other photoconductive material and an outer portion of cvd-diamond or other suitable material surrounding the central portion. Conducting electrodes are formed on opposed sides of the substrate, with the electrodes extending beyond the central portion and the edges of the electrodes lying over the outer portion. Thus any high electric fields produced at the edges of the electrodes lie outside of and do not affect the central portion, which is the active switching element. Light is transmitted through the outer portion to the central portion to actuate the switch.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC52-07NA27344

Assignee:: Lawrence Livermore National Security, LLC. (Livermore, CA)

Patent Number(s):: 8,563,957

Application Number:: 12/775,156

OSTI ID:: 1107601

Country of Publication:: United States

Language:: English

References (13)

Optically-initiated silicon carbide high voltage switch with contoured-profile electrode interfaces Sullivan, James S.; Hawkins, Steven A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8258632 US Patent Document 8,258,632	patent	September 2012
Optically-Initiated Silicon Carbide High Voltage Switch Caporaso, George J.; Sampayan, Stephen E.; Sullivan, James S. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20110101376 US Patent Application 12/952949; 20110101376	patent-application	May 2011
High power photoconductor bulk GaAs switch Kim, Anderson H.; Weiner, Maurice; Youmans, Robert J. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5028971 US Patent Document 5,028,971	patent	July 1991
Optically-initiated silicon carbide high voltage switch Caporaso, George J.; Sampayan, Stephen E.; Sullivan, James S. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8125089 US Patent Document 8,125,089	patent	February 2012
System and Method of Modulating Electrical Signals Using Photoconductive Wide Bandgap Semiconductors as Variables Resistors Harris, John Richardson; Caporaso, George J.; Sampayan, Stephen E. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20090261258 US Patent Document 12/426143; 20090261258	patent-application	October 2009
Photoconductive switch Min, Pan; Irwin, Mark; Johansson, Erik https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6263124 US Patent Document 6,263,124	patent	July 2001
Photo-semiconductor device and method of manufacturing the same Ouchi, Toshihiko https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7615787 US Patent Document 7,615,787	patent	November 2009
Silicon carbide and related wide-bandgap transistors on semi-insulating epitaxy for high-speed, high-power applications Casady, Jeffrey; Mazzola, Michael S. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7009209 US Patent Document 7,009,209	patent	March 2006
Optically Controlled Silicon Carbide and Related Wide-Bandgap Transistors and Thyristors Mazzola, Michael S. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20070292074 US Patent Application 11/764606; 20070292074	patent-application	December 2007
Photoconductive Switch Package Caporaso, George J. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20100282949 US Patent Application 12/775156; 20100282949	patent-application	November 2010
Optically initiated silicon carbide high voltage switch Caporaso, George J.; Sampayan, Stephen E.; Sullivan, James S. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7893541 US Patent Document 7,893,541	patent	February 2011
Pulse sharpening using an optical pulse Kim, Anderson H.; Weiner, Maurice; Jasper, Jr., Louis J. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5319218 US Patent Document 5,319,218	patent	June 1994
Optically Initiated Silicon Carbide High Voltage Switch Caporaso, George J.; Sampayan, Stephen E.; Sullivan, James S. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20070092812 US Patent Application 11/586468; 20070092812	patent-application	April 2007

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