Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate
2011-02-08
2011-02-08
Rahll, Jerry T (Department: 2874)
Optical waveguides
With optical coupler
Input/output coupler
C385S088000, C398S212000, C398S214000
Reexamination Certificate
active
07885496
ABSTRACT:
Disclosed herein is a light receiving apparatus, including: a light receiving section including a light receiving element; a transparent part; and a light guiding part inserted in the groove; the groove having, on the front face side, a side face formed as an arcuately curved face convex toward the front face side and having the same shape in any cross section perpendicular to the front face and also to the depthwise direction of the groove; the light guiding part having a side face opposing to the side face of the groove on the front face side and formed as an arcuately curved face which is convex toward the front face side in a state wherein the light guiding part is inserted in the groove and which has the same shape in any cross section perpendicular to the front face and also to the depthwise direction of the groove.
REFERENCES:
patent: 7421160 (2008-09-01), Budd et al.
Fukui Nobuyuki
Kurachi Hideaki
Nida Yoshiyuki
Ogasawara Yutaka
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Rahll Jerry T
Sony Corporation
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