Patent ID: 7357844
Filing Date: 2008-04-15
Classification: C22C,H01F

Abstract:
1. A soft magnetic Fe—B—Si-based metallic glass alloy product comprising metallic glass alloy being represented by the following composition formula: wherein a and b represent an atomic ratio, and satisfy the following relations: 0.125≦a≦0.17, 0.10≦b≦0.15 and 0.225≦a+b≦0.3 wherein said metallic glass alloy has a supercooled-liquid temperature interval (ΔT said glass alloy product as cast has minimum thickness or diameter of 0.5 mm or more, and a volume fraction (Vf-amo) of a glass phase is 100%, and a saturation magnetization of more than 1.4 T and coercive force of 3.7A/m or less.