Cavity-preventing type reactor and a method for fabricating...

Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Optical fiber – waveguide – or preform

Reexamination Certificate

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Details

C264S001270, C264S001380, C264S002100, C264S085000, C422S209000, C422S240000, C425S174400

Reexamination Certificate

active

06984345

ABSTRACT:
A cavity-preventing type reactor and a method for fabricating a preform for a plastic optical fiber using the same, wherein post-process charging of additional monomer or prepolymer into rotationally-induced central cavities is avoided by forming void-free plastic fibers using special geometric flow controllers combined with special materials combinations, pressures, and rotational techniques.

REFERENCES:
patent: 5253323 (1993-10-01), Koike et al.
patent: 5382448 (1995-01-01), Koike et al.
patent: 5593621 (1997-01-01), Koike et al.
patent: 6166107 (2000-12-01), van Duijnhoven et al.
patent: 42 14 259 (1993-07-01), None
patent: 3-78706 (1991-04-01), None
patent: 378706 (1991-04-01), None
patent: 4-86603 (1992-03-01), None
patent: 486603 (1992-03-01), None
patent: 87/01071 (1987-02-01), None
patent: 92/03750 (1992-03-01), None
patent: 92/03751 (1992-03-01), None
patent: 92/10357 (1992-06-01), None
patent: 97/29903 (1997-08-01), None
Koike, et al, “New interfacial-gel copolymerization technique for steric GRIN polymer optical waveguides and lens arrays”, Applied Optics, 27(3):486-491 (Feb. 1988).

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