The present invention relates to a low temperature molding optical glass, the glass is composed by weight percent: P 2 O: 5, GeO: 9 ~ 25% 2 1 ~ 20% Nb, 2 O: 5: 12 ~ 28% TiO, down 2 from 1 to 7%. Bi: 2 O: 3, WO: 0 ~ 55% 3 0 ~ 38% SiO, down 2 from 0 to 3%, down B 2 O down 3 from 0 to 5%, down Al 2 O down 3 from 0 to 2%, Ta: 2 O was down 5 from 0 to 3%, down Sb 2 O down 3 from 0 to 1%, total no more than 13% R: 2 O (R, Na, K, Li), and a total of not more than 15% XO (X, Sr, Ba, Ca Zn). Composition. The low temperature molding glass of the invention does not contain harmful components of the environment, such as lead oxide, arsenic oxide, etc., and is easy to be produced, and the temperature can not be lost near the softening point.
【技术实现步骤摘要】
【技术保护点】
一种光学玻璃,其成份按重量百分比计算至少包含有:P↓[2]O↓[5]9~25%、GeO↓[2]1~20%、Nb↓[2]O↓[5]12~28%、TiO↓[2]1~7%、Bi↓[2]O↓[3]0~55%、总合不超过13%的R↓[2]O,其中R可以是Li、Na及K,以及总合不超过15%的XO,其中X可以是Ca、Sr、Ba及Zn。
【技术特征摘要】
【专利技术属性】
技术研发人员:蔡宗岳,石翔仁,
申请(专利权)人:亚洲光学股份有限公司,
类型:发明
国别省市:71[]
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