Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Che-Hao Chuang0
Yu-Da Shiu0
Ming-Dou Ker0
Chyh-Yih Chang0
Date of Patent
August 9, 2011
Patent Application Number
11618685
Date Filed
December 29, 2006
Patent Primary Examiner
Patent abstract
An integrated circuit device for converting an incident optical signal into an electrical signal comprises a semiconductor substrate, a well region formed inside the semiconductor substrate, a dielectric layer formed over the well region, and a layer of polysilicon for receiving the incident optical signal, formed over the dielectric layer, including a p-type portion, an n-type portion and an undoped portion disposed between the p-type and n-type portions, wherein the well region is biased to control the layer of polysilicon for providing the electrical signal.
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