发明名称 MOLDING DIE, METHOD FOR MANUFACTURING THE SAME, OPTICAL ELEMENT, AND METHOD FOR MANUFACTURING OPTICAL APPARATUS
摘要 <P>PROBLEM TO BE SOLVED: To provide a molding die hardly generating crack or clouding in a molded glass, when molding especially lanthanum-based glass, and to provide a method for manufacturing the molding die. <P>SOLUTION: This molding die 10 includes die base materials 21, 31 having forming surfaces 211, 311, and protection films 23, 33 provided on the forming surfaces 211, 311. The protection films 23, 33 contain Ir and Re in such contents that the mole ratio of the content of Re to the content of Ir is &le;2.5 times, and the molding die 10 is used for molding lanthanum-based glass. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2011225388(A) 申请公布日期 2011.11.10
申请号 JP20100095284 申请日期 2010.04.16
申请人 OHARA INC 发明人
分类号 C03B11/00;C03C3/066;C03C3/068;C03C3/15;G02B1/00 主分类号 C03B11/00
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