Optical communications – Receiver
Reexamination Certificate
2006-05-16
2006-05-16
Payne, David C. (Department: 2638)
Optical communications
Receiver
C332S176000, C332S176000, C257S532000, C257S431000
Reexamination Certificate
active
07046936
ABSTRACT:
There is provided a light receiving element carrier including first through fourth layers laminated, a differential pair of vertical vias, one of them penetrating the second layer, and the other one of them penetrating the third layer, a broadside-coupled differential pair, one of them being located on a first boundary plane between the first and second layers, for connecting a high-frequency terminal to the one of the differential pair of vertical vias, and the other one of them being located on a third boundary plane between the third and fourth layers, for connecting another high-frequency terminal to the other one of the differential pair of vertical vias, and a differential pair of output lines located on a second boundary plane between the second and third layers, they extending on a terrace portion formed of a surface of the third layer which is partially exposed like a terrace.
REFERENCES:
patent: 2002/0070826 (2002-06-01), Aruga
patent: 2000-58881 (2000-02-01), None
Buchanan & Ingersoll PC
Mitsubishi Denki & Kabushiki Kaisha
Payne David C.
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