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:
Mar. 22, 2016
Filed:
May. 05, 2014
Applicant:
Omnivision Technologies, Inc., Santa Clara, CA (US);
Inventors:
Edward Nabighian, San Jose, CA (US);
Yi Qin, Shanghai, CN;
Ward Zhang, Shanghai, CN;
Alan Martin, San Jose, CA (US);
Assignee:
OmniVision Technologies, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14685 (2013.01); H01L 27/14687 (2013.01);
Abstract
A method for black coating camera cubes at wafer level includes expanding the gap between individual diced camera cubes of the wafer by stretching tape securing the diced camera cubes. The method includes applying a black coating layer to the stretched camera cubes, laser trimming undesired portions of the black coating layer, and removing the undesired portions of the black coating layer.