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:
Feb. 25, 2003
Filed:
Aug. 30, 2001
Applicant:
Inventors:
Chin-Wen Huang, Taichung, TW;
Jian-Bin Shiu, Taipei, TW;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/714 ;
U.S. Cl.
CPC ...
H01L 2/714 ;
Abstract
A method of manufacturing a phase grating image sensor is disclosed. The method uses conventional photolithography and etching methods to form a plurality of phase grating lenses into the conventional flattening layer on which the conventional micro-lens is formed. The invention thus utilizes phase gratings to replace the conventional micro-lens.