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发明名称
光学玻璃
摘要
本发明提供一种玻璃,其折射率、热膨胀系数各自接近石英玻璃,进而兼具良好之耐失透性,该良好之耐失透性系即便施以拉线成型或再加热成型,玻璃表面亦不会出现失透等缺陷,具体而言,提供一种光通讯用元件中所使用之光学玻璃,尤其是用于短管(stub)之光学玻璃。本发明之光学玻璃,其特征在于:由硼矽酸玻璃构成,该硼矽酸玻璃之折射率为1.44~1.46,热膨胀系数为10~50×10-7/℃,液相黏度为1055dPa.s以上。
申请公布号
TWI387572
申请公布日期
2013.03.01
申请号
TW095123588
申请日期
2006.06.29
申请人
日本电气硝子股份有限公司 日本
发明人
藤田俊辅;籔内浩一
分类号
C03C3/093;G02B1/00
主分类号
C03C3/093
代理机构
代理人
陈长文 台北市松山区敦化北路201号7楼
主权项
地址
日本
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