Compound magnetic material and fabrication method thereof

Details Compound magnetic material and fabrication method thereof Compound magnetic material and fabrication method thereof

2007-08-21

2007-08-21

Koslow, C. Melissa (Department: 1755)

Compositions

Magnetic

Free metal or alloy containing

C148S104000, C419S030000, C419S038000, C419S062000

Reexamination Certificate

active

10490096

ABSTRACT:
A compound magnetic material having high heat resistance is provided. A fabrication method of a compound magnetic material includes the step of preparing mixed powder including an organic resin and compound magnetic particles. The long-period heat resistance temperature of the organic resin is at least 200° C. The containing ratio of the organic resin to the compound magnetic particles exceeds 0 mass % and not more than 0.2 mass %. The compound magnetic particle includes a metal magnetic particles, and a coat layer containing metal oxide, directly bound to the surface of the metal magnetic particle. The fabrication method of a compound magnetic material includes the steps of forming a compact by introducing mixed powder into a die having a lubricant applied to its surface and conducting warm-compacting, and applying heat treatment to the compact.

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