| 发明名称 |
PRODUCTION OF OPTICAL FIBERS |
| 摘要 |
PURPOSE:To make the diametral refractive index distribution of the core part of optical fibers composed of phosphorus silicon glass core and quartz glass cladding unifrom by properly controlling the process conditions of a CVD method using a moving heat source. |
| 申请公布号 |
JPS5277734(A) |
申请公布日期 |
1977.06.30 |
| 申请号 |
JP19750153326 |
申请日期 |
1975.12.24 |
| 申请人 |
HITACHI LTD |
发明人 |
ISHIDA HIROSHI;SATOU MAKOTO;KATSUYAMA TOSHIO;SUGANUMA YASUO |
| 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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