MOLDING DIE FOR PRESS MOLDING OF OPTICAL GLASS ELEMENT AND GLASS ELEMENT MOLDED BY THE MOLDING DIE

摘要

PROBLEM TO BE SOLVED: To provide a molding die for press molding capable of repeated press moldings of various shapes of optical glass elements, and glass elements molded by the molding die. ;SOLUTION: A cutting layer consisting of super heat-resistant polyimide is laid on a base metal for the molding die and the surface of the molding die is worked by cutting. Furthermore, the first surface is coated with i-C to prevent fusion bonding.;COPYRIGHT: (C)2003,JPO