Title:
POWDER FOR MAGNETIC POWDER CORE AND MAGNETIC POWDER CORE
Document Type and Number:
WIPO Patent Application WO/2019/026612
Kind Code:
A1
Abstract:
A powder (1) for a magnetic powder core used for producing a magnetic powder core, wherein the powder (1) for the magnetic powder core comprises multiple crystalline grains (2) and has at least two relative maximum values (RV1, RV2) when data is plotted according to each grain size of a crystalline grain and a grain number ratio (Rv), said ratio being the proportion of the number of grains of each grain size to the number of grains having grain sizes which were measured.
Inventors:
MITOMI MASATAKA (JP)
WATANABE TOMOYASU (JP)
WATANABE TOMOYASU (JP)
Application Number:
PCT/JP2018/026806
Publication Date:
February 07, 2019
Filing Date:
July 18, 2018
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
B22F1/052; B22F3/00; H01F1/22; H01F27/255
Domestic Patent References:
| WO2016043025A1 | 2016-03-24 |
Foreign References:
| JP2012212855A | 2012-11-01 | |||
| JP2007012745A | 2007-01-18 | |||
| JP2003517195A | 2003-05-20 | |||
| JP2004296606A | 2004-10-21 |
Attorney, Agent or Firm:
HATTORI Masaki (JP)
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