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发明名称
光纤母材的制造方法
摘要
一种利用气相轴向沉积法的光纤母材的制造方法,系使用形成数层同心圆状火焰流的多重火焰喷灯来形成并沉积玻璃微粒子。此喷灯包括位于中心用以供给原料气体之原料供给管,以及其外侧呈同心圆状配置之助燃气体流路及燃烧气体流路。其中,最内侧之火焰流之线速Vi及原料气体之线速Vm满足Vi<Vm≦2Vi之条件,而较佳是满足1.3Vi≦Vm≦1.8Vi之条件。
申请公布号
TW200505806
申请公布日期
2005.02.16
申请号
TW093120604
申请日期
2004.07.09
申请人
信越化学工业股份有限公司
发明人
久米博之;岛田忠克
分类号
C03B37/018;F23D14/22
主分类号
C03B37/018
代理机构
代理人
詹铭文;萧锡清
主权项
地址
日本
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