The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 07, 2012
Filed:
Jun. 07, 2010
Applicants:
Yang Wu, Tainan, TW;
Chi-shao Lin, Tainan, TW;
Inventors:
Yang Wu, Tainan, TW;
Chi-Shao Lin, Tainan, TW;
Assignee:
Himax Imaging, Inc., Grand Cayman, KY;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/062 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process and structure of a back side illumination (BSI) image sensor are disclosed. An n-type doped region is formed in a substrate, and a transfer gate is formed on top of the semiconductor substrate. A p-type doped region is formed in the n-type doped region either using the transfer gate as a mask or is non-self aligned formed.