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公开(公告)号:WO2003002482A1
公开(公告)日:2003-01-09
申请号:PCT/JP2002/006569
申请日:2002-06-28
Applicant: NIPPON ELECTRIC GLASS CO., LTD. , SAKAMOTO, Akihiko
Inventor: SAKAMOTO, Akihiko
IPC: C04B35/195
CPC classification number: C04B35/443 , C03C10/00 , C03C10/0027 , C03C10/0036 , C03C13/04 , C03C13/045 , C03C13/046 , C04B35/18 , C04B35/19 , C04B35/195 , C04B2235/3203 , C04B2235/9607
Abstract: 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.
Abstract translation: 陶瓷材料的热膨胀系数为50×10 -7 -7 /℃以下,石英玻璃与陶瓷材料的相对折射率之差的绝对值为0.2以下 波长1550nm,光衰减系数0.3dB / cm以上。