Method of manufacturing a magnetic element

Details Method of manufacturing a magnetic element Method of manufacturing a magnetic element

2007-05-22

2007-05-22

Kim, Paul D. (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S592100, C029S602100, C029S605000, C029S848000, C029S856000, C029S858000, C029S883000, C029S888047, C029S888072, C156S268000, C156S345420, C264S272110, C336S083000, C336S233000, C438S455000, C438S458000

Reexamination Certificate

active

10842813

ABSTRACT:
The present invention provides a composite magnetic body containing metallic magnetic powder and thermosetting resin and having a packing ratio of the metallic magnetic powder of 65 vol % to 90 vol % and an electrical resistivity of at least 104Ω·cm. When a coil is embedded in this composite magnetic body, a miniature magnetic element can be obtained that has a high inductance value and is excellent in DC bias characteristics.

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“M-type ferrite composite as a microwave absorber with wide bandwidth in the GHz range”; Sugimoto, S.; Kondo, S.; Okayama, K.; Nakamura, H.; Book, D.; Kagotani, T.; Homma, M.; Ota, H.; Kimura, M.; Sato, R.; Magnetics, IEEE vol. 35, Issue 5, Part 1, Sep. 1999; pp. 3154-3156.

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