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. 27, 2012
Filed:
Aug. 17, 2007
Yuzo Nakatsuka, Tachikawa, JP;
Atsushi Naito, Hachioji, JP;
Yuzo Nakatsuka, Tachikawa, JP;
Atsushi Naito, Hachioji, JP;
Konica Minolta Opto, Inc., Tokyo, JP;
Abstract
A method for manufacturing a mold for molding an optical element, wherein the mold comprising a base material having a molding base face and a covering layer provided on the molding base face of the base material, and an upper surface portion of the covering layer located above the molding base face forms a molding face, the method including: a covering step for forming a covering layer on the molding base face of the base material; a pressurizing step for pressurizing a surface of the covering layer; and a high-precision processing step for forming a molding face by applying high-precision processing onto the surface of the covering layer subsequent to the pressurizing step.