| 发明名称 |
DOUBLE CRUCIBLE AND METHOD FOR PRODUCING GRADED INDEX OPTICAL FIBER |
| 摘要 |
Method and apparatus for drawing optical glass fibres by means of a double crucible. The double crucible for producing a graded index optical fibre having a core and a cladding comprises inner and outer body portions (2) and (3) and a heated exit flow tube (4) which is elongate to allow thermal diffusion between the core and cladding to be prolonged. |
| 申请公布号 |
JPS54151631(A) |
申请公布日期 |
1979.11.29 |
| 申请号 |
JP19790029817 |
申请日期 |
1979.03.14 |
| 申请人 |
POST OFFICE |
发明人 |
KEISU JIYON BIIRUSU;KURAIBU RICHIYAADO DEI;JIYOOJI REJINADO NIYUUNZU |
| 分类号 |
C03B37/00;C03B37/023;G02B6/00 |
主分类号 |
C03B37/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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