Laminated coil for a magnetic head of a disk drive and method fo

Details Laminated coil for a magnetic head of a disk drive and method fo Laminated coil for a magnetic head of a disk drive and method fo

1996-09-06

1998-05-26

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Head

Coil

360119, G11B 520

Patent

active

057575924

ABSTRACT:
A coil encircling the ferrite core of a magnetic head attached to a slider used in a hard disk drive is formed using two mating chips. A first chip having layered wires and bonding bumps is inserted in the winding window between the ferrite core and the body of the slider. A second chip having layered wires, bonding bumps and a groove straddling the ferrite core is disposed outside the winding window and mates with the first chip. Bonding bumps, comprising low-melting solder, are heat bonded to form a continuous coil.

REFERENCES:
patent: 3731005 (1973-05-01), Shearman
patent: 4357640 (1982-11-01), Heinz et al.
patent: 4418472 (1983-12-01), Lorenze, Jr.
patent: 4863557 (1989-09-01), Kokaku et al.
IBM Technical Disclosure Bulletin, vol. 12, No. 6, Nov. 1969 (Moreno).
IBM Technical Disclosure Bulletin, vol. 15, No. 2, Jul. 1972 (O'Donnell, Jr.).

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