| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of manufacturing an optical element molding die for inhibiting nonuniformity of composition after sintering, for obtaining a raw die of a molding surface having good machinability and for obtaining the molding surface of high precision and to provide the optical element molding die obtained by the method. SOLUTION: The die manufacturing method comprises a step of making base material, then sintering a sinter powder including nickel, copper and phosphorus and manufacturing the raw die of the molding surface (S01) and a step of machining the manufactured raw die of the molding surface into the molding surface (S02). COPYRIGHT: (C)2005,JPO&NCIPI |
