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. 01, 2005
Filed:
Aug. 15, 2001
Tsuneo Terasawa, Ome, JP;
Toshihiko Tanaka, Tokyo, JP;
Ko Miyazaki, Kokubunji, JP;
Norio Hasegawa, Hinode, JP;
Kazutaka Mori, Kokubunji, JP;
Tsuneo Terasawa, Ome, JP;
Toshihiko Tanaka, Tokyo, JP;
Ko Miyazaki, Kokubunji, JP;
Norio Hasegawa, Hinode, JP;
Kazutaka Mori, Kokubunji, JP;
Renesas Technology Corp., Tokyo, JP;
Abstract
Productivity of a semiconductor integrated circuit device is improved. According to how many times the photomask is used, a photomask having an opaque pattern made of metal and a photomask having an opaque pattern made of a resist film are properly used, and thereby an exposure treatment is performed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile