Methods and apparatus for sandblasting fiber optic substrates

Details Methods and apparatus for sandblasting fiber optic substrates Methods and apparatus for sandblasting fiber optic substrates

B - Operations, Transporting

24

C

B24C 1/00 (2006.01) F21V 8/00 (2006.01)

Patent

CA 2363905

Methods and apparatus for marring a surface of a fiber optic substrate by sandblasting one or more sides of the substrate during movement of the substrate past one or more sandblasting nozzles to produce a specific illumination pattern. The nozzles may be operated intermittently to produce intermittent light emitting areas along the length of the substrate. Alternatively, the substrate may be moved past the nozzles at a variable speed, or the pressure of the nozzles or spacing of the nozzles from the surface of the substrate may be regulated during movement of the substrate past the nozzles in order to produce a specific illumination pattern. Also, a perforated plate may be placed between the nozzles and substrate in order to produce a specific illumination pattern. After the sandblasting operation, the substrate may be cleaned and cut to desired lengths, and permanently heat formed into any desired shape.

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