发明名称 |
PRODUCTION OF OPTICAL FIBER PREFORM |
摘要 |
PURPOSE:To produce a high quality optical fiber preform not containing pores and fine crystal particles therein. CONSTITUTION:In a method for preparing an optical fiber preform by molding silica powder and subsequently subjecting the porous molded product to a chlorine treatment and a transparent glass-forming treatment, the porous molded product after molded is heated in an oxygen-containing atmosphere. |
申请公布号 |
JPH04321534(A) |
申请公布日期 |
1992.11.11 |
申请号 |
JP19910117813 |
申请日期 |
1991.04.23 |
申请人 |
FURUKAWA ELECTRIC CO LTD:THE |
发明人 |
YOSHIDA KAZUAKI;SATO TSUGIO;HIHARA HIROSHI;YAGI TAKESHI;MORIKAWA TAKAYUKI |
分类号 |
C03B20/00;C03B37/012;C03B37/014;G02B6/00 |
主分类号 |
C03B20/00 |
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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