| 发明名称 |
PRODUCTION OF BASE MATERIAL FOR OPTICAL FIBRES |
| 摘要 |
PURPOSE:To improve the quality of optical fibers through reducing the number of OH radicals by the removal with the chemical reaction taking place only with the hydride and the moisture in the reacting gas inside the reaction tube, prior to putting them into a quartz tube according to the CVD process. |
| 申请公布号 |
JPS52143842(A) |
申请公布日期 |
1977.11.30 |
| 申请号 |
JP19760060818 |
申请日期 |
1976.05.26 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE;FUJIKURA LTD |
发明人 |
TAKADA HISAO;OSANAI YUTAKA;SANADA KAZUO;SHIODA TAKAO;AKIYAMA MICHIO |
| 分类号 |
C03B37/018;G02B6/00 |
主分类号 |
C03B37/018 |
| 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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