Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 30, 2008
Patent Application Number
11281398
Date Filed
November 18, 2005
Patent Primary Examiner
Patent abstract
An electronic circuit board having an optical wiring layer sandwiched between two electrical wiring layers. The optical wiring layer is structured to be a two-dimensional optical waveguide. An E/O device and an O/E device are provided in the optical wiring layer or at an interface between the optical wiring layer and the electrical wiring layer. A via piercing the optical wiring layer connects the two electrical wiring layers. It is possible to efficiently input and output light to and from an optical wiring layer.
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