Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Matahiro Komuro0
Takao Imagawa0
Yuichi Satsu0
Date of Patent
July 5, 2011
0Patent Application Number
127085800
Date Filed
February 19, 2010
0Patent 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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