发明名称 |
METHOD OF MANUFACTURING SILICA OPTICAL FIBRES |
摘要 |
<p>In order to eliminate the effect of water attack on silica optical fibres, the fibres are provided with a surface layer of silicon nitride or silicon oxynitride. The method proposed comprises direct nitridation. This may be achieved by adding a nitriding atmosphere to the drawing furnace gases, or to the reactive gases (TiCl4 and SiCl4) incorporated in the flame of an oxyhydrogen torch for the formation of a compressive silica/titania layer on an optical fibre by a glass soot deposition and sintering process.</p> |
申请公布号 |
IN165754(B) |
申请公布日期 |
1990.01.06 |
申请号 |
IN1985DE78319 |
申请日期 |
1985.09.25 |
申请人 |
STC PLC. |
发明人 |
NEWBOULD RICHARD THOMAS;PIGGS SUSAN JANE;WILSON STEPHEN JOHN |
分类号 |
C03B37/10;C03B37/014;C03B37/029;C03C25/22;G02B6/00;G02B6/44;(IPC1-7):C03B37/01 |
主分类号 |
C03B37/10 |
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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