Metal treatment – Stock – Magnetic
Patent
1987-09-14
1990-04-24
Sheehan, John P.
Metal treatment
Stock
Magnetic
75230, 75232, 75235, H01F 104
Patent
active
049197347
ABSTRACT:
A compressed powder core is made of a compressed body of a magnetic powder each particle of which has a surface covered with an insulating layer. The insulating layer is formed of an insulating material selected from the group consisting of an inorganic compound powder having an electronegativity of not less than 12.5, an inorganic compound powder having an electronegativity of less than 8.5, a metal alkoxide and a decomposition product of a metal alkoxide.
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Arima Itsuo
Horie Hiromichi
Morita Mikio
Ochiai Kumi
Kabushiki Kaisha Toshiba
Sheehan John P.
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