Patent ID: 8665055

Claim:
A soft magnetic alloy comprising a composition expressed by the following formula: (Fe 1-x-y Co x M y ) 100-a-b-c T a B b N c where, M is at least one element selected from the group consisting of Ni and Mn; T is at least one element selected from the group consisting of Nb, W, Ta, Zr, Hf, Ti, Cr, Cu, Mo, V and combinations thereof, and the content of Cu when present is less than or equal to 2 atomic %; N is at least one element selected from the group consisting of Si, Ge, C, P and Al; 0.01 ≦x+y≦ 0.5; 0 ≦y≦ 0.4; 1 ≦a≦ 5 atomic %; 10 ≦b≦ 30 atomic %; 0 ≦c≦ 10 atomic %.