Patent ID: 6239594
Filing Date: 2001-05-29
Classification: G01R

Abstract:
A magneto-impedance effect element comprising a magnetic thin film layer having a magneto-impedance effect, and bias magnetic field applying means comprising a thin film for applying a bias magnetic field to the magnetic thin film layer in parallel with the direction of application of an external magnetic field to the magnetic thin film layer, wherein the magnetic thin film layer comprises a soft magnetic thin film mainly composed of an amorphous phase, and represented by the composition formula Co.sub.l Ta.sub.m Hf.sub.n wherein l, m and n by atomic % satisfy the relations 70.ltoreq.l.ltoreq.90, 5.ltoreq.m.ltoreq.21, 6.6.ltoreq.n.ltoreq.15, and 1.ltoreq.m/n.ltoreq.2.5, respectively.