发明名称 METHOD OF FABRICATING OPTICAL FIBER PREFORMS
摘要 Optical fibre preform having an index-graded core and a cladding is made by simultaneously depositing a core soot and a cladding soot onto a rotating member using a core burner and a cladding burner, the latter having at least one of its feed gas, fuel gas andinert gas outlets made with a plurality of openings, pref. adjacent each other.
申请公布号 DE3474657(D1) 申请公布日期 1988.11.24
申请号 DE19843474657 申请日期 1984.01.31
申请人 NIPPON TELEGRAPH AND TELEPHONE CORPORATION;SUMITOMO ELECTRIC INDUSTRIES LIMITED 发明人 WATANABE, MINORU C/O YOKOHAMA WORKS;YOSHIOKA, NAOKI C/O YOKOHAMA WORKS;KANAMORI, HIROO C/O YOKOHAMA WORKS;INAGAKI, NOBUO
分类号 C03B37/014;(IPC1-7):C03B37/025 主分类号 C03B37/014
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