发明名称 |
PROCESS FOR THE PRODUCTION OF GLASS MOLDED ARTICLE, OPTICAL ELEMENT PRODUCED BY THE PROCESS, AND METHOD OF TREATING GLASS |
摘要 |
Provided are a process for the production of a precision press-molded article having a high transmittance and a method of treating a glass to color or decolor the glass, the process comprising heat-treating a press-molded article containing at least one selected from WO3, Nb2O5 or TiO2 in an oxidizing atmosphere to produce a glass molded article, and the method comprising heat-treating a colored glass containing at least one oxide of WO3 and Nb2O5 in an oxidizing atmosphere to decolor the glass, or heat-treating a glass containing at least one oxide selected from WO3, Nb2O5 or TiO2 in a non-oxidizing atmosphere to color the glass. |
申请公布号 |
US2012151964(A1) |
申请公布日期 |
2012.06.21 |
申请号 |
US201213409376 |
申请日期 |
2012.03.01 |
申请人 |
HAYASHI KAZUTAKA;TAWARAYAMA HIROMASA;ZOU XUELU;KAWAZOE HIROSHI;HOYA CORPORATION |
发明人 |
HAYASHI KAZUTAKA;TAWARAYAMA HIROMASA;ZOU XUELU;KAWAZOE HIROSHI |
分类号 |
C03B32/00;C03B11/00;C03B11/08;C03C1/10;C03C3/16;C03C3/21;C03C4/02 |
主分类号 |
C03B32/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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