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公开(公告)号：US20210299747A1
公开(公告)日：2021-09-30
申请号：US17211304
申请日：2021-03-24
Applicant: TDK CORPORATION
Inventor： Kyotaro ABE , Hideharu MORO , Toshiaki KIKUCHI
Abstract: The object of the present invention is to provide a fluidizing particle capable of improving a fluidity of a magnetic particle for a magnetic core and capable of improving a permeability of the magnetic core. The fluidizing particle includes a particle body having a magnetic property and a coating layer including a silicon compound covering the particle body, wherein a particle size of the fluidizing particle is 10 to 40 nm, and a circularity of the fluidizing particle is 0.55 or more.
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