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 |
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代理人 |
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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 |