Method for manufacturing a hermetically coated optical fiber
摘要
An apparatus for manufacturing a hermetically coated optical fiber having a single reaction chamber into which a fare fiber and raw gas are to be introduced for applying a hermetic coating to the bare fiber while the bare fiber passes through the reaction chamber is characterized by that the reaction chamber has a plurality of inlet tubes to introduce the raw gas, and the plurality of inlet tubes open to the reaction chamber at different positions from each other in a direction of movement of the bare fiber passing through said reaction chamber.
申请公布号
US5348564(A)
申请公布日期
1994.09.20
申请号
US19920835892
申请日期
1992.02.14
申请人
SUMITOMO ELECTRIC INDUSTRIES, LTD.;NIPPON TELEGRAPH AND TELEPHONE CORPORATION