| 发明名称 |
DOPING, PREPARATION OF OPTICAL FIBER PREFORM AND PREPARATION OF OPTICAL FIBER |
| 摘要 |
Silica intended to form the core of an optical-fibre preform is deposited as an unvitrified soot inside a reaction tube, where a non-aqueous solution of dopant precursor(s) is then introduced without removing the tube from the lathe. |
| 申请公布号 |
JPH02258644(A) |
申请公布日期 |
1990.10.19 |
| 申请号 |
JP19890313551 |
申请日期 |
1989.12.04 |
| 申请人 |
SHITSUPU SOC IT PERU RESERUCHITSUIO TEREFUONIKO P A |
发明人 |
RIBUIO KOGUNORATO;ANGERANTONIO GUNATSUTSUO |
| 分类号 |
G02B6/00;C03B8/04;C03B20/00;C03B37/014;C03B37/018;C03C13/04;C03C23/00 |
主分类号 |
G02B6/00 |
| 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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