| 发明名称 |
PRODUCTION OF OPTICAL FIBERS |
| 摘要 |
PURPOSE:To achieve the higher density of a deposited film and suppress the decrease in refractive index at the central portion of an optical fiber by heating a hollow glass tube while flowing a specified gas within the glass tube prior to heating and fusing of the glass tube in vapor phase chemical reaction. |
| 申请公布号 |
JPS5337440(A) |
申请公布日期 |
1978.04.06 |
| 申请号 |
JP19760111864 |
申请日期 |
1976.09.20 |
| 申请人 |
HITACHI LTD |
发明人 |
SUGANUMA YASUO;ISHIDA KOUJI;SATOU MAKOTO;SUGIE MAMORU;KATSUYAMA TOSHIO;TODA AKIZOU |
| 分类号 |
C03B37/018;C03B23/04;C03C17/02;G02B6/00 |
主分类号 |
C03B37/018 |
| 代理机构 |
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