Magnetic recording and/or reproducing element

Details Magnetic recording and/or reproducing element Magnetic recording and/or reproducing element

1984-12-20

1987-06-23

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Head surface structure

360125, G11B 5187

Patent

active

046757651

ABSTRACT:
A magnetic recording and/or reproducing element comprises a main element body, and windings wound around the main element body. The main element body has a pair of extremely thin layers made from a ferromagnetic material, and the extremely thin layers oppose each other at respective edges thereof so as to constitute a gap. Each of the thin layers are sandwiched between a pair of support members which are made from a non-magnetic and abrasion proof material. A contact surface is formed on a vertex part of the main element body, for making contact with a magnetic recording medium so as to record and/or reproduce a signal on and/or from the magnetic recording medium. The main element body has one or a plurality of side surfaces which form a predetermined angle with respect to the contact surface and define the peripheral edge of the contact surface so that the contact surface has a predetermined shape with an extremely small area and has the gap at an approximate center of the predetermined shape.

REFERENCES:
patent: 4475137 (1984-10-01), Yasuda et al.

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