| 发明名称 |
PRODUCTION OF BASE MATERIAL FOR OPTICAL FIBRES |
| 摘要 |
PURPOSE:To improve the quality of optical fibers by reducing the number of OH radicals according to the CVD process which is applied after the removal with the chemical reaction taking place only with the hydride and moisture while flowing each raw material, together with O2, which has been dropped into the column heated to a proper temperature. |
| 申请公布号 |
JPS52143843(A) |
申请公布日期 |
1977.11.30 |
| 申请号 |
JP19760060819 |
申请日期 |
1976.05.26 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE;FUJIKURA LTD |
发明人 |
TAKADA HISAO;OSANAI YUTAKA;FUKUDA TAKERU;MORIYAMA TAKASHI;ARAKI SHINJI |
| 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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