Planar Transformers
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United States of America Patent
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Issued Date -
Aug 15, 2013
app pub date -
Jun 27, 2011
filing date -
Jul 1, 2010
priority date (Note) -
Abandoned
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Abstract
A planar transformer comprises a plurality of conductive windings provided by at least one PCB and linked by a common ferrite core passing through the or each PCB. The transformer windings are at least partially magnetically shielded from the ferrite core by a conductive non-continuous shield formed by copper planed areas on one or more of the PCB layers to improve the coupling between the windings.
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