Patent ID: 7141127
Filing Date: 2006-11-28
Classification: H01F

Abstract:
1. A low core loss magnetic alloy with a high saturation magnetic flux density, which has a composition represented by the general formula: where M′ represents at least one element selected from the group consisting of V, Ti, Zr, Nb, Mo, Hf, Ta, and W, X′ represents Si and B, an Si content (atomic %) is smaller than a B content (atomic %), the B content is from 4 to 12 atomic %, and the Si content is from 0.01 to 5 atomic %, a, y, and c satisfy respectively 0.2<a<0.6, 6.5≦y≦15, 2≦c≦15, and 7≦(y+c)≦20, at least a part of an alloy structure being occupied by crystal grains having grain size of not larger than 50 nm, a saturation magnetic flux density Bs being not less than 1.65 T, and a core loss P