发明授权
US08168267B2 Method for manufacturing a preform for optical fibres by means of a vapour deposition process 有权
通过气相沉积工艺制造光纤预制棒的方法

Method for manufacturing a preform for optical fibres by means of a vapour deposition process
摘要:
A method for manufacturing a preform for optical fibers by a vapor deposition process wherein an intermediate step is carried out between one deposition phase and the next deposition phase(s), wherein the intermediate step includes supplying an etching gas to the supply side of the hollow substrate tube.
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