发明授权
US4195980A Method of manufacturing a continuous optical preform 失效
制造连续光学预型件的方法

Method of manufacturing a continuous optical preform
摘要:
A method of manufacturing a continuous preform for an optical fibre of the type produced from glass or silica tubes or rods, the method including arranging the tubes or rods end to end in a rectilinear array, placing glass or silica sleeving tubes over the joints between the rods or tubes, and fusion sealing the joints between the rods or tubes.
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