| 发明名称 |
CERAMIC MATERIAL AND OPTICAL DEVICE INCLUDING THE SAME |
| 摘要 |
A ceramic material has a thermal expansion coefficient of 50 x 10-7 / ~C or less, an absolute value of the difference between the relative refractive indexes of silica glass and the ceramic material of 0.2 or less at a wavelength of 1550 nm, and a light attenuation coefficient of 0.3 dB/cm or more.
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| 申请公布号 |
CA2452065(A1) |
申请公布日期 |
2003.01.09 |
| 申请号 |
CA20022452065 |
申请日期 |
2002.06.28 |
| 申请人 |
NIPPON ELECTRIC GLASS CO., LTD. |
发明人 |
SAKAMOTO, AKIHIKO |
| 分类号 |
G02B6/36;C03C3/085;C03C10/00;C03C10/06;C03C10/08;C03C10/12;C03C10/14;C03C13/04;C04B35/18;C04B35/19;C04B35/443;G02B6/00;G02B6/12;(IPC1-7):C04B35/195 |
主分类号 |
G02B6/36 |
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