Inductive devices with granular magnetic materials
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United States of America Patent
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Issued Date -
Oct 2, 2008
app pub date -
Jul 11, 2007
filing date -
Mar 28, 2007
priority date (Note) -
Abandoned
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Abstract
An inductive device is provided, comprising a conductor configured in a spiral and a first layer of granular magnetic material having a plurality of magnetic grains embedded in an amorphous ceramic matrix. The amorphous ceramic matrix has a dielectric constant greater than 3. A transformer is also provided, comprising a core and a first inductor. The first inductor includes a first conductor configured in a spiral surrounding a first portion of the core, and a first layer of granular magnetic material. The transformer further comprises a second inductor. The second inductor includes a second conductor configured in a spiral surrounding a second portion of the core, and a second layer of granular magnetic material. The first and second layers of granular magnetic material have a plurality of magnetic grains embedded in an amorphous ceramic matrix. The amorphous ceramic matrix has a dielectric constant greater than 3.
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