H - Electricity – 01 – F
Patent
H - Electricity
01
F
H01F 1/153 (2006.01)
Patent
CA 2221979
A powder of composite particles is prepared by adhering to the surfaces of particles of an amorphous magnetically soft alloy particles of a glass having a softening point lower than the crystallization temperature of the alloy to coat the surfaces of the alloy particles with the glass. The powder of composite particles prepared is pressed at a temperature higher than the softening point of the glass and lower than the crystallization temperature of the alloy to bond the alloy particles with the glass. The pressed powder body is at least 0.5 in the ratio of the magnetic permeability at 10 7 Hz to the magnetic permeability at 10 4Hz.
Poudre de particules composites préparée en faisant adhérer aux surfaces des particules d'un alliage mou magnétiquement amorphe des particules de verre possédant un point de ramolissement plus bas que la température de cristallisation de l'alliage, afin de revêtir de verre les surfaces des particules d'alliage. La poudre de particules composites préparée est ensuite comprimée à une température plus élevée que le point de ramolissement du verre et plus basse que la température de cristallisation de l'alliage pour lier les particules d'alliage avec le verre. Le corps constitué de poudre comprimée a un rapport d'au moins 0,5 pour une perméabilité magnétique allant de 10 7 Hz à 10 4 Hz.
Endo Isao
Koshimoto Hideo
Okuno Ryosei
Otsuka Isamu
Yagi Masaaki
Kubota Corporation
Ridout & Maybee Llp
Yagi Masaaki
LandOfFree
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