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
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