| 发明名称 |
OPTICAL ELEMENT AND METHOD FOR PRODUCING OPTICAL ELEMENT |
| 摘要 |
An optical element having a substrate and a light-shielding film on part of an outer portion of the substrate further contains a coating on the light-shielding film, the coating containing a cured mixture of a melamine or benzoguanamine resin, and a phenolic resin, in proportions by mass of 1:5 to 7:5. |
| 申请公布号 |
US2016154145(A1) |
申请公布日期 |
2016.06.02 |
| 申请号 |
US201514947910 |
申请日期 |
2015.11.20 |
| 申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
Abe Keiko;Nakayama Tomonari |
| 分类号 |
G02B1/14;G02B27/00;G02B1/11 |
主分类号 |
G02B1/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An optical element comprising:
a substrate; and a light-shielding film on part of an outer portion of the substrate, wherein there is a coating on the light-shielding film, the coating containing a cured mixture of melamine or benzoguanamine resin, and a phenolic resin, in proportions by mass of 1:5 to 7:5. |
| 地址 |
Tokyo JP |
