Invention Application
- Patent Title: SOFT MAGNETIC MATERIAL, POWDER MAGNETIC CORE, METHOD FOR MANUFACTURING SOFT MAGNETIC MATERIAL, AND METHOD FOR MANUFACTURING POWDER MAGNETIC CORE
- Patent Title (中): 软磁材料，粉末磁芯，制造软磁材料的方法和制造粉末磁芯的方法
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Application No.: US12576716Application Date: 2009-10-09
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Publication No.: US20100028195A1Publication Date: 2010-02-04
- Inventor: Toru Maeda , Kazuyuki Maeda , Yasushi Mochida , Koji Mimura
- Applicant: Toru Maeda , Kazuyuki Maeda , Yasushi Mochida , Koji Mimura
- Applicant Address: JP Osaka
- Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Current Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Current Assignee Address: JP Osaka
- Priority: JP2005-274124 20050921
- Main IPC: B22F1/02
- IPC: B22F1/02 ; B05D5/00 ; B22F3/12
Abstract:
A soft magnetic material includes a plurality of composite magnetic particles (40) each including a metal magnetic particle (10) and an insulation coating (20) covering the surface of the metal magnetic particle (10), wherein the insulation coating (20) contains Si (silicon), and 80% or more of Si contained in the insulation coating constitutes a silsesquioxane skeleton. Therefore, it is possible to effectively decrease a hysteresis loss while suppressing an increase in eddy-current loss.
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