LC filter device having magnetic resin encapsulating material
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United States of America Patent
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-
Jul 23, 1991
Grant Date -
N/A
app pub date -
Jul 21, 1988
filing date -
Jul 22, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An LC filter device includes a dielectric substrate having opposing sets of coil electrode patterns and capacitor electrode patterns. Each set of coil electrode patterns forms an inductive element, and each set of capacitor electrode patterns forms a capacitive element. The inductive and capacitive elements are interconnected to form an LC circuit configuration. The dielectric substrate is encapsulated by a resin coating. The resin coating includes a magnetic material, such as a high frequency ferrite powder, to increase the inductance of the LC filter and to reduce the stray capacitance of the LC filter.
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