Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Matahiro Komuro0
Takao Imagawa0
Yuichi Satsu0
Date of Patent
April 13, 2010
0Patent Application Number
118382660
Date Filed
August 14, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A magnet comprising grains of a ferromagnetic material whose main component is iron and a fluorine compound layer or an oxy-fluorine compound layer of fluoride compound particles of alkali metals, alkaline earth metals and rare earth elements, present on the surface of the ferromagnetic material grains, wherein an amount of iron atoms in the fluorine compound particles is 1 to 50 atomic %.
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