Magnetic head having a pair of front core assemblies

Details Magnetic head having a pair of front core assemblies Magnetic head having a pair of front core assemblies

1991-03-12

1994-01-04

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Head surface structure

360121, 360125, G11B 5187, G11B 5147

Patent

active

052765784

ABSTRACT:
A high magnetic head for floppy disk drives that can prevent crosstalk between magnetic cores. Two nonmagnetic material pieces are joined with two magnetic material pieces, respectively, and track grooves and a winding groove are formed on a surface of each of the two magnetic material pieces. The nonmagnetic material pieces are joined together to form a core block with those surfaces facing each other on which the grooves are formed. The core block is cut to a plurality of front core assemblies. The core assembly includes a magnetic circuit having a magnetic gap, and nonmagnetic spacer members which do not form a magnetic circuit, thereby preventing crosstalk between the magnetic cores constituting the composite type magnetic head.

REFERENCES:
patent: 4750071 (1988-06-01), Kato et al.
patent: 4839763 (1989-06-01), Matsuzawa
patent: 5148342 (1992-09-01), Kato

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