Glass manufacturing – Processes of manufacturing fibers – filaments – or preforms – Process of manufacturing optical fibers – waveguides – or...
Reexamination Certificate
2005-04-26
2005-04-26
Chin, Peter (Department: 1731)
Glass manufacturing
Processes of manufacturing fibers, filaments, or preforms
Process of manufacturing optical fibers, waveguides, or...
C065S421000
Reexamination Certificate
active
06883351
ABSTRACT:
The method of fabricating an optical waveguide fiber from a preform having a centerline aperture which includes reducing the pressure in the centerline aperture, then increasing the pressure in the centerline aperture to a pressure in order to improve uniformity, circularity, and/or symmetry around the centerline aperture region.
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EPO Patent Abstract of Japan, Publication No. 01160841, Jun. 23, 1989, Application No. 62316072 in the name of Sumitomo Electric Ind Ltd., “Production of Optical Fiber”.
Berkey George E.
Marlowe David T.
Neilson Douglas G.
Nelson Jeffrey C.
Chin Peter
Corning Incorporated
Homa Joseph M.
Lopez Carlos
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