| 发明名称 |
POROUS SILICA, OPTICAL-PURPOSE LAYERED PRODUCT AND COMPOSITION, AND METHOD FOR PRODUCING POROUS SILICA |
| 摘要 |
There is provided porous silica having a low refractive index and being stable when exposed to water. The porous silica is configured to have a refractive index of 1.3 or lower and to have a difference of the refractive index at a wavelength 550 nm between before the immersion into water and after the immersion into water for 24 hours of 0.15 or lower.
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| 申请公布号 |
US2010096009(A1) |
申请公布日期 |
2010.04.22 |
| 申请号 |
US20080531088 |
申请日期 |
2008.03.13 |
| 申请人 |
MITSUBISHI CHEMICAL CORPORATION |
发明人 |
FUNAYAMA KATSUYA;OOIZUMI JUNICHI;YAMAKAWA TOMOKO;TAKEUCHI HISAO |
| 分类号 |
H01L31/04;B01J31/06;B32B3/26;C01B33/12 |
主分类号 |
H01L31/04 |
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