| 发明名称 |
POROUS SILICA, LAMINATE AND COMPOSITION FOR OPTICAL USE, AND METHOD FOR PRODUCING POROUS SILICA |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a porous silica which has low refractive index and is stable against water. <P>SOLUTION: The porous silica has≤1.3 of a refractive index, in which the difference of the refractive indexes before immersion in water and after immersion in water for 24 hours is≤0.15 at a wavelength of 550 nm. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
| 申请公布号 |
JP2009073722(A) |
申请公布日期 |
2009.04.09 |
| 申请号 |
JP20080063806 |
申请日期 |
2008.03.13 |
| 申请人 |
MITSUBISHI CHEMICALS CORP |
发明人 |
FUNAYAMA KATSUYA;OIZUMI JUNICHI;YAMAKAWA TOMOKO;TAKEUCHI HISAO |
| 分类号 |
C01B33/12;B32B5/18;B32B9/00;H01L31/04 |
主分类号 |
C01B33/12 |
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