| 发明名称 |
Glass compositions |
| 摘要 |
Glass composition pairs which are suitable for processing into fibers with a gradient refractive index profile for use in telecommunication. They consist of GeO2+L, B2O3/SiO2, alkali oxide which in one composition consists of Li2O and/or Na2O and in the other composition of Na2O and/or K2O and other compatible oxides.
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| 申请公布号 |
US4094689(A) |
申请公布日期 |
1978.06.13 |
| 申请号 |
US19770778014 |
申请日期 |
1977.03.16 |
| 申请人 |
U.S. PHILIPS CORPORATION |
发明人 |
VAN ASS, HENRICUS MATHEUS JACOBUS MARIE;GOSSINK, ROBERT GEORG |
| 分类号 |
C03B37/023;C03C3/062;C03C3/064;C03C3/089;C03C3/253;C03C13/04;G02B6/00;G02B6/028;(IPC1-7):C03C13/00 |
主分类号 |
C03B37/023 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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