Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chang-Sup Ryu0
Han Kim0
Hak-Sun Kim0
Date of Patent
May 17, 2011
0Patent Application Number
122132910
Date Filed
June 17, 2008
0Patent Primary Examiner
Patent abstract
In accordance with an embodiment, the printed circuit board, having an analog circuit and a digital circuit includes: a first metal layer and a second metal layer, one of the first metal layer and the second metal layer being a power layer and the other being a ground layer; a third metal layer, layer-built between the first metal layer and the second metal layer; and a mushroom type structure including a via connected to a metal plate, the metal plate being arranged in a space between circuit patterns of the third metal layer.
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