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:
Jun. 10, 2008
Filed:
May. 16, 2005
Shigeru Hosoe, Hachioji, JP;
Hiroshi Nagoya, Hachioji, JP;
Shigeru Hosoe, Hachioji, JP;
Hiroshi Nagoya, Hachioji, JP;
Konica Minolta Opto, Inc., , JP;
Abstract
A method for molding an optical element by pressing a glass material in a mold, the method having the steps of: heating to soften the glass material outside a cavity of the mold; heating the mold; and pressing the glass material with the mold after putting the glass material into the cavity of the mold, wherein when the glass material is put into the mold a temperature of the glass material is in a range of (Tg×1.60) to (Tg×1.85)° C., and a temperature at an optical transfer surface of the mold is in a range of (Tg+50) to (Tg−70)° C., where Tg is the glass-transition temperature of the material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile