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:
Oct. 26, 2004
Filed:
Oct. 25, 2002
Applicant:
Inventor:
Katsumi Yamamoto, Shanghai, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/144 ;
U.S. Cl.
CPC ...
H01L 2/144 ;
Abstract
A method for increasing the yield of image sensor die and packaging is disclosed. The method comprises first forming a plurality of image sensor die having micro-lenses onto a semiconductor wafer. Next, a protective layer is formed over the image sensor die. The wafer is then diced to separate the image sensor die. The image sensor die are then mounted onto an integrated circuit package. Finally, the protective layer is removed from the image sensor die.