Annular core for a choke, in particular for radio interference suppression of semiconductor circuits by the phase control method
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United States of America Patent
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May 12, 1998
Grant Date -
N/A
app pub date -
Mar 7, 1997
filing date -
Mar 7, 1996
priority date (Note) -
Expired
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Abstract
An annular core for a choke, in particular for radio interference suppression of semiconductor circuits by the phase control method, includes two different soft magnetic materials. One material is crystalline and is formed as an annular-core-shaped trough which receives the other material that is in the form of amorphous and/or nanocrystalline particles. The annular core which is thus formed can then be surrounded by a coil, that is connected in series with the consumer by phase control.
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