Thin-film magnetic head

Details Thin-film magnetic head Thin-film magnetic head

1993-01-08

1994-06-21

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 548, G11B 560

Patent

active

053232828

ABSTRACT:
A thin-film magnetic head has a slider formed of nonmagnetic polycrystalline Mn--Zn ferrite containing from 0.02 to 7 wt % of at least one member selected from the group consisting of CaO, MgO, ZrO.sub.2, SnO.sub.2, Al.sub.2 O.sub.3, SrO and NiO. Concave-convex surface having height difference is given to air bearings on a floatation surface side of the slider so that the convex portions occupy the area percentage in a range of from 20 to 80%.

REFERENCES:
patent: 4430440 (1984-02-01), Wada et al.
patent: 4796127 (1989-01-01), Wada et al.
patent: 4859638 (1989-08-01), Wada et al.

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