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:
May. 01, 2012
Filed:
Jul. 29, 2008
Mamoru Morikawa, Joetsu, JP;
Daijitsu Harada, Joetsu, JP;
Masaki Takeuchi, Joetsu, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Abstract
A storage container for containing a photomask-forming synthetic quartz glass substrate comprises inner walls facing the front and back surfaces of the glass substrate, and reservoirs provided on the container inner walls for receiving an absorber for components outgassing from the container. A ratio A/B is in the range of 1.0-120 m/cmprovided that A is the product (m) of the total weight (g) of the absorber multiplied by the BET specific surface area (m/g) of the absorber and B is the total area (cm) of the front and back surfaces of the glass substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile