| 发明名称 |
PRODUCTION OF BAR FORM BASE MATERIAL FOR OPTICAL TRANSMISSION FIBERS |
| 摘要 |
PURPOSE:To prevent the entry of moisture from outside atmosphere and improve optical transmission characteristics by sealing the end of a glasstubular base material with a desiccating agent having air permeability. |
| 申请公布号 |
JPS52146248(A) |
申请公布日期 |
1977.12.05 |
| 申请号 |
JP19760063160 |
申请日期 |
1976.05.31 |
| 申请人 |
FURUKAWA ELECTRIC CO LTD |
发明人 |
KUROBA TOSHIAKI;YOSHIDA KAZUAKI |
| 分类号 |
C03B20/00;C03B37/018;G02B6/00 |
主分类号 |
C03B20/00 |
| 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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