Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 16, 2010
Patent Application Number
11852395
Date Filed
September 10, 2007
Patent Primary Examiner
Patent abstract
A planar transformer comprises a primary coil board including a primary coil, a secondary coil board including a secondary coil, a heat sink integrally having a spacer portion, and a magnetic core assembly mounted to the primary coil board and the secondary coil board. The spacer portion is inserted into a gap between and facing the primary coil board and the secondary coil board and at least a surface of the heat sink is electrical insulating.
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