| 发明名称 |
OPTICAL GLASS FIBER AND ITS PRODUCTION |
| 摘要 |
PURPOSE:Water-resistant glass fibers of high reliability are readily produced by performing protection of the optical glass fibers with water-resistant glass simultaneously at the time of preparing waveguide structure with a crucible process. |
| 申请公布号 |
JPS537339(A) |
申请公布日期 |
1978.01.23 |
| 申请号 |
JP19760076889 |
申请日期 |
1976.06.29 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
TAKAHASHI SHIROU;SHIBATA SHIYUUICHI;YASU MITSUHO |
| 分类号 |
C03C25/42;C03B37/023;G02B6/44 |
主分类号 |
C03C25/42 |
| 代理机构 |
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代理人 |
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