Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 3, 2008
Patent Application Number
10951620
Date Filed
September 29, 2004
Patent Primary Examiner
Patent abstract
A wiring board comprises a patterned wiring formed of electrically conductive resin composed primarily of silver and embedded into a substrate in a manner that a surface thereof is exposed above the substrate, and a covering conductor formed primarily of carbon covering the surface of the patterned wiring. The wiring board of this structure is superior in resistance to moisture absorption and water, prevents silver migration attributable to the moisture, and reduces contact resistance in the connection between a terminal portion of the wiring board and an external apparatus.
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