US Patent 7119322 CMOS image sensor having pinned diode floating diffusion region

Patent 7119322 was granted and assigned to Micron Technology on October, 2006 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Micron Technology

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7119322

Date of Patent

October 10, 2006

Patent Application Number

11299665

Date Filed

December 13, 2005

Patent Citations Received

‌

US Patent 12069384 Image capture devices having phase detection auto-focus pixels

Patent Primary Examiner

‌

Thanh X. Luu

Patent abstract

The present invention provides an image sensor having a pinned floating diffusion region in addition to a pinned photodiode. The pinned floating diffusion region increases the capacity of the sensor to store charge, increases the dynamic range of the sensor and widens intra-scene intensity variation.

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