Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate
2008-05-21
2010-10-26
Peng, Charlie (Department: 2883)
Optical waveguides
With optical coupler
Particular coupling structure
C385S050000
Reexamination Certificate
active
07822305
ABSTRACT:
An optical transmission assembly consists of an upper cladding; a lower cladding; a specified width core formed between the upper cladding and the lower cladding; a surface light emitting device mounted on an upper surface of the upper cladding, a light emitting surface of the surface light emitting device facing the core; a reflective surface formed at a position in the core facing the light emitting surface of the surface light emitting device, and inclined in a longitudinal direction of the core; a shift area formed by which a beam from the light emitting surface of the surface light emitting device and the reflective surface are shifted in a width direction of the core relative to each other; and a light receiving device mounted on a lower surface of the lower cladding, a light receiving surface of the light receiving device facing the light emitting surface of the surface light emitting device through the shift area.
REFERENCES:
patent: 6690845 (2004-02-01), Yoshimura et al.
patent: 6706546 (2004-03-01), Yoshimura et al.
patent: 7541058 (2009-06-01), Chan et al.
patent: 2003-227951 (2003-08-01), None
patent: 2005-91460 (2005-04-01), None
patent: 2006-292852 (2006-10-01), None
El Shammaa Mary A
Hitachi Cable Ltd.
McGinn IP Law Group PLLC
Peng Charlie
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