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:
Apr. 15, 2014
Filed:
Mar. 23, 2012
Applicants:
Chun-yuan Hsu, Kaohsiung, TW;
Kun-ei Chen, Beimen Township, TW;
Huai-tei Yang, Hsin-Chu, TW;
Chien-chung Chen, Kaohsiung, TW;
Inventors:
Chun-Yuan Hsu, Kaohsiung, TW;
Kun-Ei Chen, Beimen Township, TW;
Huai-Tei Yang, Hsin-Chu, TW;
Chien-Chung Chen, Kaohsiung, TW;
Assignee:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/062 (2012.01);
U.S. Cl.
CPC ...
Abstract
A device includes a semiconductor substrate having a front side and a backside. An active image sensor pixel array is disposed on the front side of the semiconductor substrate. A metal shield is disposed on the backside of, and overlying, the semiconductor substrate. The metal shield has an edge facing the active image sensor pixel array. The metal shield has a middle width, and a top width greater than the middle width.