Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Zhong Yang0
Xuefei Zeng0
Yuanjun Huang0
Zhiyong Jiang0
Chao Zhang0
Jun Cao0
Date of Patent
February 27, 2007
0Patent Application Number
110823570
Date Filed
March 17, 2005
0Patent Primary Examiner
Patent abstract
A system for measuring gains of a plurality of photo diodes includes a chamber adapted to host the plurality of photo diodes and a temperature control unit configured to control the temperature within the chamber to a predetermined temperature. A control unit selects at least one of the plurality of photo diodes. A hosting unit is configured to provide a bias voltage to the selected photo diode at the predetermined temperature. A light source transmits photo signals to the selected photo diode at the predetermined temperature. A measurement unit configured to measure current signals generated by the selected photo diode in response to the photo signals under the bias voltage at the predetermined temperature.
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