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Current isolating epitaxial buffer layers for high voltage photodiode array

United States Patent

September 17, 2002
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
An array of photodiodes in series on a common semi-insulating substrate has a non-conductive buffer layer between the photodiodes and the semi-insulating substrate. The buffer layer reduces current injection leakage between the photodiodes of the array and allows optical energy to be converted to high voltage electrical energy.
Morse; Jeffrey D. (Martinez, CA), Cooper; Gregory A. (Pleasant Hill, CA)
The Regents of the University of California (Oakland, CA)
09/ 733,858
December 8, 2000
The United States Government has rights in this invention pursuant to Contract No. W-7405-ENG-48 between the United States Department of Energy and the University of California for the operation of Lawrence Livermore National Laboratory.