Waveguide apparatus and method for laser welding

Details Waveguide apparatus and method for laser welding Waveguide apparatus and method for laser welding

2007-09-25

2007-09-25

Font, Frank G. (Department: 2883)

Optical waveguides

Miscellaneous

C347S047000, C347S048000, C347S049000, C347S086000

Reexamination Certificate

active

10883308

ABSTRACT:
Some embodiments of the present invention provide a waveguide apparatus for transferring light to a weld area. The waveguide apparatus can include a waveguide comprising a material having a first index of refraction and having at least one wall defining at least one cavity. The assembly can also include a filler material positioned within the at least one cavity and having a second index of refraction less than the first index of refraction. Also, some embodiments of the present invention provide a laser welding assembly in which a waveguide apparatus is used to weld materials, a method of laser welding materials using a waveguide, and a method of manufacturing such a waveguide.

REFERENCES:
patent: 5808641 (1998-09-01), Miyagawa et al.
patent: 6329629 (2001-12-01), Grewell
patent: 6528755 (2003-03-01), Grewell et al.
patent: 2003/0095418 (2003-05-01), Dalton et al.

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