Title:
MANUFACTURING METHOD FOR RADIO WAVE ABSORBER
Document Type and Number:
Japanese Patent JP2001203491
Kind Code:
A
Abstract:
To provide a manufacturing method for a radio wave absorber which easily and surely manufactures a discoidal or oblong metal soft magnetic body flat plate at a low cost.
Substantially flat soft magnetic body powder is formed (step S3) which is mixed with an organic binder (step S5) to form a radio wave absorber. Here, the surface of soft-magnetic body powder is smoothed using acid (step S4).
Inventors:
OKAYAMA KATSUMI
IWASHITA TAKESHI
TOYODA JUNICHI
IWASHITA TAKESHI
TOYODA JUNICHI
Application Number:
JP2000010646A
Publication Date:
July 27, 2001
Filing Date:
January 19, 2000
Export Citation:
Assignee:
SONY CORP
International Classes:
H01F1/00; H01F1/14; H01Q17/00; H05K9/00; (IPC1-7): H05K9/00; H01F1/00; H01F1/14; H01Q17/00