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Title:
COMPOSITE MAGNETIC MATERIAL AND ELECTROMAGNETIC INTERFERENCE SUPPRESSOR
Document Type and Number:
Japanese Patent JP3641797
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a composite magnetic unit and an electromagnetic interference suppressor, which specifies the specific surface area of a soft magnetic powder, to express its surface condition and ensures the self-extinguishing property which is flame resistance.
SOLUTION: In this composite magnetic unit 1 containing a soft magnetic powder 2 and a binder 3, the surface area of the binder 3 is set at 0.1-3 m2/g.


Inventors:
Yoshio Awakura
Application Number:
JP29558199A
Publication Date:
April 27, 2005
Filing Date:
October 18, 1999
Export Citation:
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Assignee:
NEC TOKIN CORPORATION
International Classes:
H01F1/26; H01F1/28; H01Q17/00; H05K9/00; (IPC1-7): H05K9/00; H01Q17/00
Domestic Patent References:
JP10065384A
JP4157101A
JP7201542A
JP10079302A
JP3295206A
JP9027693A
JP8250316A
JP9051190A
JP11135981A
JP10074611A
JP58219249A
JP11144931A
JP2000151177A
JP2001028494A
Attorney, Agent or Firm:
Kenho Ikeda
Keisuke Yamamoto
Takashi Sasaki