Magnetic head utilizing magnetic impedance effect

Details Magnetic head utilizing magnetic impedance effect Magnetic head utilizing magnetic impedance effect

1997-05-08

1999-05-11

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

G11B5/33

Patent

active

059034149

ABSTRACT:
A magnetic head for reproducing digital magnetic recording information using a MI head, which is a magnetic detection element utilizing magnetic impedance effect, the magnetic recording medium 10 is magnetized alternatively, in the opposite direction along a relative movement direction relative to the magnetic head, the boundary 11 of magnetization is a straight line normal to the relative movement direction, and the MI element 12 opposes in parallel with the surface of the recording medium 10. In a surface in parallel with the surface of the element 12, the MI element is positioned so that its longitudinal direction is inclined by an angle .theta. relative to the direction of the boundary 11 of magnetization. A high frequency current is applied via terminals 13A and 13B to obtain a reproduced signal through the magnetic impedance effect.

REFERENCES:
patent: 4527202 (1985-07-01), Ohta
patent: 4593332 (1986-06-01), Akiyama et al.
patent: 5654844 (1997-08-01), Ohmori et al.
J. of Applied Physics (Nov. 1994), vol. 76, No. 10, II, p. 6.

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