发明名称 |
PRODUCTION OF GLASS FOR OPTICAL TRANSMISSION |
摘要 |
PURPOSE:To obtain a stock material for producing an inexpensive fiber for optical transmission of low loss and having an arbitrary refractive index distribution in a radial direction and uniform compositions in circumferential and length directions by laminating the glass wherein compositions are distributed in a radial direction, in cylindrical column form. |
申请公布号 |
JPS53124452(A) |
申请公布日期 |
1978.10.30 |
申请号 |
JP19780006443 |
申请日期 |
1978.01.24 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES |
发明人 |
FUJIWARA KUNIO;TANAKA GOUTAROU;KUROSAKI SHIROU |
分类号 |
C03B37/018;C03B37/014;G02B6/00 |
主分类号 |
C03B37/018 |
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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