High powered inductors using a magnetic bias
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United States of America Patent
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Aug 23, 2011
Grant Date -
Mar 12, 2009
app pub date -
Jun 6, 2008
filing date -
Sep 7, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A biased gap inductor includes a first ferromagnetic plate, a second ferromagnetic plate, a conductor sandwiched between the first ferromagnetic plate and the second ferromagnetic plate, and an adhesive between the first ferromagnetic plate and the second ferromagnetic plate, the adhesive comprising magnet powder to thereby form at least one magnetic gap. A method of forming an inductor includes providing a first ferromagnetic plate and a second ferromagnetic plate and a conductor, placing the conductor between the first ferromagnetic plate and the second ferromagnetic plate, adhering the first ferromagnetic plate to the second ferromagnetic plate with a composition comprising an adhesive and a magnet powder to form magnetic gaps, and magnetizing the inductor.
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