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. 15, 2006
Filed:
Dec. 11, 2003
Applicants:
Chih-huei Wu, Sunnyvale, CA (US);
Xinping He, San Jose, CA (US);
Inventors:
Chih-huei Wu, Sunnyvale, CA (US);
Xinping He, San Jose, CA (US);
Assignee:
OmniVision Technologies, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 21/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for protecting an image sensor die is disclosed. The method comprises forming a plurality of image sensor die having micro-lenses onto a semiconductor wafer. Then, a protective layer is formed over the image sensor die. After the protective layer has been formed, and without any removal step of the protective layer, the wafer is diced to separate the plurality of image sensor die. Finally, the image sensor die are mounted onto an integrated circuit package and the protective layer is removed.