Title:
SOFT MAGNETIC MATERIAL, CORE, AND INDUCTOR
Document Type and Number:
Japanese Patent JP2014204108
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a soft magnetic material, a core and an inductor which have a high magnetic permeability.SOLUTION: A soft magnetic material comprises: a first soft magnetic powder including first particles composed of first soft magnetic particles coated with an insulative material, and having an average particle diameter of 20-50 μm; a second soft magnetic powder including second particles composed of second soft magnetic particles coated with an insulative material, and having an average particle diameter of 1-10 μm; and a resin. The ratio of the mass percentage of the first soft magnetic powder to that of the second soft magnetic powder is given by A:B, and A and B satisfy the following conditions: A+B=100; 15≤A≤35; and 65≤B≤85.
Inventors:
HYODO KOICHIRO
ISHIDA KOICHI
ISHIDA KOICHI
Application Number:
JP2013082139A
Publication Date:
October 27, 2014
Filing Date:
April 10, 2013
Export Citation:
Assignee:
MURATA MANUFACTURING CO
International Classes:
H01F1/24; B22F1/00; B22F1/02; H01F1/20; H01F1/33; H01F27/255
Attorney, Agent or Firm:
Patent business corporation pro フィック patent firm