Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroyuki Kimata0
Yasuhiro Yamanaka0
Date of Patent
November 13, 2007
0Patent Application Number
108941200
Date Filed
July 20, 2004
0Patent Primary Examiner
Patent abstract
A circuit board that requires electromagnetic shielding is enclosed in a cavity formed between a metal case and a base substrate. A ground plane, which is electrically conductive, is embedded in each of the base substrate and the circuit board. The metal case is electrically connected to the ground planes in both the base substrate and the circuit board.
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