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Title:
METHOD FOR MANUFACTURING COATED MAGNETIC POWDER, METHOD FOR MANUFACTURING DUST CORE, AND METHOD FOR MANUFACTURING MAGNETIC COMPONENT
Document Type and Number:
WIPO Patent Application WO/2017/208824
Kind Code:
A1
Abstract:
A method for manufacturing a coated magnetic powder in which silicone resin is coated on the surface of particles of a soft magnetic powder, wherein the method for manufacturing the coated magnetic powder is provided with: a preparation step for mixing the silicone resin into water containing a surfactant, and preparing a silicone emulsion in which the silicone resin is dispersed in the water; an application step in which the silicone emulsion is applied to the surface of the particles of the soft magnetic powder; and a drying step for drying the soft magnetic powder after the silicone emulsion has been applied.

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Inventors:
WATANABE ASAKO (JP)
UENO TOMOYUKI (JP)
Application Number:
PCT/JP2017/018541
Publication Date:
December 07, 2017
Filing Date:
May 17, 2017
Export Citation:
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Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO ELECTRIC SINTERED ALLOY LTD (JP)
International Classes:
H01F1/26; B22F1/102; B22F1/16; B22F3/00; H01F41/02
Domestic Patent References:
WO2010103709A12010-09-16
Foreign References:
JP2009253030A2009-10-29
JPH05125281A1993-05-21
JP2006225629A2006-08-31
JP2008063651A2008-03-21
JP2014031413A2014-02-20
JPH07196984A1995-08-01
JP2014079042A2014-05-01
Other References:
ANONYMOUS: "A Guide to Coatings Solutions", TORYO . COATING-YO SILICONE, no. Y515, June 2010 (2010-06-01), pages 1 - 17, XP009519649, Retrieved from the Internet
ANONYMOUS: "Kagaku Busshitsu no Kankyo Risk Hyoka", KANKYO HOKENBU KANKYO RISK HYOKASHITSU, vol. 7, March 2009 (2009-03-01), pages 1 - 7, XP009519648
See also references of EP 3467850A4
Attorney, Agent or Firm:
YAMANO, Hiroshi (JP)
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