Optical waveguide device and multiple optical waveguide device

Details Optical waveguide device and multiple optical waveguide device Optical waveguide device and multiple optical waveguide device

2008-05-13

2008-05-13

Healy, Brian M. (Department: 2883)

Optical waveguides

Planar optical waveguide

Thin film optical waveguide

C385S014000, C385S129000, C385S130000, C385S132000

Reexamination Certificate

active

07373066

ABSTRACT:
In a multiple optical waveguide device, a transparent plate is bonded or joined on the top surface of a clad with which optical circuits and quartz glass substrates are covered, and optical reflection film is provided on the fringing area or the whole area of a joint surface of the transparent plate with the clad. Optical circuits or waveguide patterns can be recognized easily by visual inspection.

REFERENCES:
patent: 4425146 (1984-01-01), Izawa et al.
patent: 5917980 (1999-06-01), Yoshimura et al.
patent: 6996324 (2006-02-01), Hiraka et al.
patent: 7221844 (2007-05-01), Takahashi et al.
patent: 2006/0018589 (2006-01-01), Takahashi et al.
patent: 2007/0147766 (2007-06-01), Mattsson et al.
patent: 2001-183538 (2001-07-01), None

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