Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mitsuji Nunokawa0
Date of Patent
June 23, 2009
0Patent Application Number
116378780
Date Filed
December 13, 2006
0Patent Primary Examiner
Patent abstract
An electronic device has a substrate, a conductive layer and a substrate mounted portion. The substrate has a circuit portion used from 60 GHz to 80 GHz. The conductive layer is provided directly on a face of the substrate that is opposite side of the circuit portion. The face having the circuit portion of the substrate is mounted face down on the substrate mounted portion. A thickness of the conductive layer is a thickness where a sheet resistance of the conductive layer is ¼ to 4 times of a resistance component of an impedance of the substrate.
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