Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 8, 2007
Patent Application Number
10222163
Date Filed
August 15, 2002
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention is related to an optical communication module for transmitting high frequency signals (e.g., 10 Gbit/s and higher data rates) between an optical element and an external circuit. In an illustrative embodiment, the optical communication module includes signal transmission lines and ground lines formed on a ceramic substrate, a flexible wiring board, and a printed circuit board. The widths of the signal lines and the ground lines vary, as well as the spacing between the signal and ground lines. This facilitates characteristic impedance matching among the signal lines to within about 50Ω.
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