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:
Nov. 08, 2011
Filed:
Apr. 16, 2004
Shiro Nishimoto, Itami, JP;
Mitsugu Tokunaga, Hyogo-Ken, JP;
Hideki Kawai, Nishinomiya, JP;
Toshiharu Mori, Settsu, JP;
Shinji Fukumoto, Nara, JP;
Shiro Nishimoto, Itami, JP;
Mitsugu Tokunaga, Hyogo-Ken, JP;
Hideki Kawai, Nishinomiya, JP;
Toshiharu Mori, Settsu, JP;
Shinji Fukumoto, Nara, JP;
Minolta Co., Ltd., Osaka, JP;
Abstract
The present invention relates to a glass substrate of which the outer periphery portion is unprocessed. The present invention also relates to a manufacturing method for a glass substrate of which the outer periphery portion is unprocessed, characterized in that a first lapping process, a second lapping process, a polishing process and a washing process are carried out after a press molding process is carried out so as to compress glass between an upper mold and a lower mold without regulating the edge surface of the outer periphery portion of the glass and, then, a crystallization process or an annealing process is carried out.