These days, optical fiber cable has been developed with high density, compact, low cost and high performance. To satisfy these demands, ribbon cable has been developed. Using ribbon technology, the time and cost of termination could be saved. Ribbon technology brings significant advancement in fiber packing density and handling. Recently, to increase efficiency of duct space high fiber count ribbon cable is preferred, however cost of poor quality due to unstable process is heavier to the manufacturer as fiber count increasing. We can categorize the ribbon technology in two models, which are slot core and central core ribbon cable. In this paper, we describe the tubing process, which is the essential in the manufacturing a central core ribbon cable.
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