POROUS SILICA, OPTICAL-PURPOSE LAYERED PRODUCT AND COMPOSITION, AND METHOD FOR PRODUCING POROUS SILICA
申请人:FUNAYAMA Katsuya
公开号:US20140127114A1
公开(公告)日:2014-05-08
A porous silica having a low refractive index and being stable when exposed to water, and which 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.