Glass manufacturing – Processes of manufacturing fibers – filaments – or preforms – Process of manufacturing optical fibers – waveguides – or...
Reexamination Certificate
2007-06-27
2010-12-21
Dehghan, Queenie (Department: 1791)
Glass manufacturing
Processes of manufacturing fibers, filaments, or preforms
Process of manufacturing optical fibers, waveguides, or...
C065S483000, C219S121480
Reexamination Certificate
active
07854145
ABSTRACT:
Disclosed is a plasma torch for overcladding a primary preform of an optical fiber. The plasma torch includes a confinement tube for confining an induced plasma and a torch base. The torch base has a ceramic surface internal to the confinement tube. The plasma torch has extended life even at high input powers.
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Calvo Laurent
Gonnet Cedric
Petitfrere Emmanuel
Dehghan Queenie
Draka Comteq B.V.
Summa, Additon & Ashe, P.A.
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