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:
Dec. 15, 2015
Filed:
Apr. 03, 2013
Nippon Electric Glass Co., Ltd., Shiga, JP;
Yasuhiro Matsumoto, Moriyama, JP;
Naohiko Yagi, Nagahama, JP;
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Abstract
A glass film cleaving method includes cleaving a full-body of a glass film having a thickness of 200 μm or less by propagating an initial crack along a preset cleaving line through heating of the glass film with a laser beam followed by subsequent cooling of the glass film. The method also includes manufacturing a glass film laminate by setting a surface roughness Ra of a surface of the glass film to contact a support glass, which supports the glass film, and a surface of the support glass to contact the glass film to 2.0 nm or less, and by bringing the surfaces of the glass film and the support glass into surface contact with each other, followed by the cleaving.