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Patent Searching and Data


Title:
POWDER FOR POWDER MAGNETIC CORE, POWDER MAGNETIC CORE, AND METHODS FOR PRODUCING THOSE PRODUCTS
Document Type and Number:
WIPO Patent Application WO/2010/026984
Kind Code:
A1
Abstract:
Disclosed is a powder for a powder magnetic core, which can provide a powder magnetic core that is imparted with improved mechanical strength through the hydrosilylation reaction between vinylsilane and hydrosilane without causing the deterioration in magnetic properties of the powder magnetic core.  Also disclosed is a powder magnetic core.  Further disclosed are methods for producing the powder and the powder magnetic core.  Specifically disclosed is a powder (10) for a powder magnetic core, which comprises: a magnetic powder comprising a magnetic particle (2); and an insulating layer (3) formed on the particle surface (21) of the magnetic powder, wherein the insulating layer (3) has a polymer resin insulating layer (33) containing vinylsilane (4) and hydrosilane as the surface layer of the powder.

Inventors:
OKAMOTO DAISUKE (JP)
ICHIGOZAKI DAISUKE (JP)
TAJIMA SHIN (JP)
TANI MASAAKI (JP)
Application Number:
PCT/JP2009/065326
Publication Date:
March 11, 2010
Filing Date:
September 02, 2009
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (JP)
TOYOTA CHUO KENKYUSHO KK (JP)
OKAMOTO DAISUKE (JP)
ICHIGOZAKI DAISUKE (JP)
TAJIMA SHIN (JP)
TANI MASAAKI (JP)
International Classes:
H01F1/26; B22F1/102; B22F1/16; B22F3/24; H01F41/02
Domestic Patent References:
WO2006006545A12006-01-19
WO2008001799A12008-01-03
Foreign References:
JP2007194273A2007-08-02
Attorney, Agent or Firm:
HIRAKI Yusuke et al. (JP)
Yusuke Hiraki (JP)
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