发明名称 GLASS LENS BLANK FOR POLISHING, MANUFACTURING METHOD THEREFORE, AND OPTICAL LENS MANUFACTURING METHOD
摘要 A glass lens blank for polishing in which a thickness of a defect-containing layer is suppressed to a minimum and thus it is possible to shorten the processing time required for grinding and polishing the glass lens blank for polishing after press-molding, a method of manufacturing the same, and a method of manufacturing an optical lens. A glass lens blank for polishing of which at least a main surface is a press-molding surface, wherein a defect-containing layer formed on the main surface has a thickness of 50 μm or less.
申请公布号 US2016039703(A1) 申请公布日期 2016.02.11
申请号 US201414768161 申请日期 2014.02.25
申请人 IKENISHI Mikio;SHOJI Akihiro;TANNO Yoshitake;TANAKA Isao 发明人 IKENISHI Mikio;SHOJI Akihiro;TANNO Yoshitake;TANAKA Isao
分类号 C03B11/08;C03B19/02 主分类号 C03B11/08
代理机构 代理人
主权项 1. A glass lens blank for polishing of which at least a main surface is a press-molded surface, wherein a defect-containing layer to be formed on the main surface has a thickness of 50 μm or less.
地址 Shinjuku-ku, Tokyo JP