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. 02, 2016
Filed:
Jan. 14, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Masaki Kurihara, Koza-gun, JP;
Daisuke Shimoyama, Aiko-gun, JP;
Masataka Ito, Chigasaki, JP;
Kyouhei Watanabe, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
When forming a hollow portion between each color filter, in order to realize the formation of the hollow portions with a narrower width, a plurality of light receiving portions are formed on the upper surface of a semiconductor substrate, a plurality of color filters corresponding to each of the light receiving portions are formed above the semiconductor substrate, a photoresist is formed on each color filter, side walls are formed on the side surfaces of the photoresist, and a hollow portion is formed between each color filter by performing etching using at least the side walls as a mask.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile