STACKED INDUCTOR USING MAGNETIC SHEETS, AND METHOD FOR MANUFACTURING SAME
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United States of America Patent
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Issued Date -
May 3, 2012
app pub date -
Apr 30, 2010
filing date -
May 1, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a multilayered chip power inductor with high direct current superposition characteristics and high-frequency characteristics, particularly to a multilayered chip power inductor using as magnetic materials a magnetic sheet filled up with soft magnetic metal powder and a magnetic core. The present invention is to provide a multilayered chip power inductor achieving high inductance and direct current superposition characteristics. In order to achieve the objective, the present invention provides a multilayered chip power inductor using a magnetic sheet, characterized in that a plurality of magnetic sheets are laminated, wherein an electrical conductive circuit is formed on the surfaces of said sheets; that a terminal is formed at an outermost part; that said electrical conductive circuit and said terminal are electrically connected through via holes, and form a circuit in the form of a coil; and that a magnetic core is inserted into said circuit, and a method for manufacturing the same.
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