Composite sintered magnetic material, its manufacturing method, and magnetic element using composite sintered magnetic material
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United States of America Patent
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Sep 9, 2008
Grant Date -
Apr 7, 2005
app pub date -
Sep 30, 2004
filing date -
Oct 3, 2003
priority date (Note) -
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Abstract
A composite sintered magnetic material comprises a kind of metal powder at least one selected from the group consisting of Fe, Fe--Si type, Fe--Ni type, Fe--Ni--Mo type, and Fe--Si--Al type, and a ferrite layer formed from a kind of ferrite powder at least one selected from the group consisting of Ni--Zn type, Mn--Zn type, and Mg--Zn type, wherein a diffusion layer is formed by sintering between both of these to integrates the both.
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