Magnetic head arrangement

Details Magnetic head arrangement Magnetic head arrangement

1980-11-19

1983-10-11

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Coil

360122, G11B 520, G11B 522

Patent

active

044096321

ABSTRACT:
A magnetic head arrangement includes a spiral coil made of a thin layer and having a central opening. The spiral coil is deposited on a first layer of magnetic material in an electrically insulated manner. The arrangement further includes a second layer of magnetic material having a width wider than that of the central opening of the spiral coil and deposited on the spiral coil in an electrically insulated manner. A portion of the second layer located in the central opening of the spiral coil is magnetically connected with the first layer and another portion of the second layer located outside the spiral coil is held above the first layer to form a predetermined gap.

REFERENCES:
patent: 4190872 (1980-02-01), Jones, Jr. et al.
patent: 4219854 (1980-08-01), Church et al.
patent: 4241367 (1980-12-01), Nomura et al.
patent: 4318148 (1982-03-01), Kaminaka et al.

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