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AssigneePowdertech Co., Ltd.
InventorsTakashi KOJIMA, Kazutaka ISHII, Takao SUGIURA, Tetsuya IGARASHI, Koji AGA
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An object of the present invention is to provide ferrite particles having a high saturation magnetisation, and being excellent in the dispersibility in a resin, a solvent or a resin composition, a resin composition including the ferrite particles, and a resin film composed of the resin composition. The ferrite particles are a single crystalline body having an average particle size of 1 to 2000 nm, and Mn-based ferrite particles having a spherical shape, and have a saturation magnetisation of 45 to 95 Am2/kg. The resin composition includes the ferrite particles as a filler. The resin film is composed of the resin composition.
Ferrite particles, wherein the ferrite particles are composed of a single crystalline body having an average particle size of 1 to 2000 nm, are Mn-based ferrite particles having a spherical particle shape, and have a saturation magnetisation of 45 to 95 Am2/kg.
Dependencies are inferred from the claim text.