Composite magnetic material and a method for producing the same

Details Composite magnetic material and a method for producing the same Composite magnetic material and a method for producing the same

2006-09-05

2006-09-05

Koslow, C. Melissa (Department: 1755)

Compositions

Magnetic

Iron-oxygen compound containing

C252S062560, C252S062570, C252S062580, C252S062590, C252S062600, C252S062610, C252S062620, C252S062640

Reexamination Certificate

active

07101489

ABSTRACT:
A composite magnetic material contains first magnetic particles made of a first magnetic material and second magnetic particles made of a second magnetic material, the first and second magnetic particles being mixed with each other. A frequency characteristic of the first magnetic material is different from that of the second magnetic material. The first and second magnetic particles are mixed so that, at a frequency of an intersecting point between a first curve representing a frequency characteristic of a real part of a complex magnetic permeability of the first magnetic material and a second curve representing a frequency characteristic of a real part of a complex magnetic permeability of the second magnetic material, a value of a real part of a complex magnetic permeability of the composite magnetic material is larger than a value of the intersecting point.

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