发明名称 |
Method of manufacturing optical fiber |
摘要 |
The method of manufacturing an optical fiber in accordance with the present invention comprises a step of yielding an optical fiber by drawing an optical fiber preform softened upon heating, wherein a temperature at which the optical fiber preform is softened is at least 1800° C., whereas the optical fiber preform or optical fiber has a glass cooling rate of 4000° C./sec or less when attaining a temperature of 1800° C.
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申请公布号 |
US6935139(B2) |
申请公布日期 |
2005.08.30 |
申请号 |
US20020143925 |
申请日期 |
2002.05.14 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES |
发明人 |
NAGAYAMA KATSUYA;KUWAHARA KAZUYA;SHIMAZU TAKAYUKI |
分类号 |
G02B6/00;C03B37/027;C03B37/029;(IPC1-7):C03B37/027 |
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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