Ferrule assembly having highly protruding optical fibers and...

Details Ferrule assembly having highly protruding optical fibers and... Ferrule assembly having highly protruding optical fibers and...

2007-09-11

2007-09-11

Vanore, David (Department: 2881)

Optical waveguides

With disengagable mechanical connector

Optical fiber/optical fiber cable termination structure

C385S075000, C385S076000, C385S084000

Reexamination Certificate

active

11234994

ABSTRACT:
A ferrule assembly having highly protruding optical fibers and a corresponding method of efficiently, precisely and repeatedly fabricating the ferrule assemblies are provided. In this regard, a ferrule assembly is provided that includes a plurality of optical fibers extending at least about 3.5 μm beyond the front face. The end portions of the optical fibers of the ferrule assembly may also be substantially coplanar with the end portions of the optical fibers differing in position from one another by no more than 100 nm. The ferrule assembly may be efficiently fabricated by polishing the optical fibers to a desired protrusion without first grinding or polishing the optical fibers to be flush with the front face of the ferrule. The ferrule assembly may be even more efficiently fabricated in instances in which the ferrule includes at least one polishing feature, such as an outwardly extending pedestal or a recessed portion.

REFERENCES:
patent: 6196732 (2001-03-01), Tamekuni et al.
patent: 6-258552 (1994-09-01), None
patent: WO97/34179 (1997-09-01), None
Tsukamoto et al., Low-Loss MPO Connectors, International Wire & Cable Symposium-Proceedings of the 50thIWCS, pp. 379-380, Nov. 2001.

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