Patent ID: 8587300

Claim:
A method for producing a magneto-impedance sensor element, wherein the magneto-impedance sensor element includes a substrate formed from a non-magnetic material, a plurality of magneto-sensitive bodies, which are formed from an amorphous material, are fixed on the substrate, and are electrically connected to each other, and a plurality of detecting coils, each of which is wound around each of the magneto-sensitive bodies, and which are electrically connected to each other, the magneto-impedance sensor element being configured to output a voltage corresponding to a magnetic field strength acting on the magneto-sensitive bodies from the detecting coils by flowing a pulse current or high-frequency current to the magneto-sensitive bodies, the method for producing the magneto-impedance sensor element comprising: a fixing step in which an amorphous wire is fixed on the substrate; a cutting step in which the amorphous wire is cut to divide it in an axis line direction, thereby forming the plurality of magneto-sensitive bodies; and a connecting step in which the plurality of magneto-sensitive bodies are electrically connected to each other.