Thin film magnetic recording heads

Details Thin film magnetic recording heads Thin film magnetic recording heads

1979-12-14

1982-03-23

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Core

360103, G11B 516

Patent

active

043216412

ABSTRACT:
A magnetic read/write transducer head of the type utilizing thin film materials. The method of manufacture comprises steps which deposit a thin film magnetic recording head on a selected substrate having dimensions which enable batch manufacture of a thin film magnetic transducer in combination with its supporting slider assembly. The substrate of selected material in large wafer form is subjected to a series of thin film deposition, etching and plating operations to form a plurality of thin film magnetic heads thereon. Thereafter, the substrate wafer is diced around each thin film magnetic transducer head with subsequent finishing and polishing to requisite shape thereby to yield the complete integrated slider and transducer head assembly.

REFERENCES:
patent: 3787964 (1974-01-01), Simon et al.
patent: 3823416 (1974-07-01), Warner
patent: 3855625 (1974-12-01), Garnier
patent: 3867368 (1975-02-01), Lazzari
patent: 3887945 (1975-06-01), Nepela et al.
patent: 3908194 (1975-09-01), Romankiw
patent: 3921217 (1975-11-01), Thompson
patent: 4081846 (1978-03-01), Roscamp et al.
patent: 4130847 (1978-12-01), Head et al.
IBM/TDB vol. 14, No. 4, Sep. '71, pp. 1283-1284, "Composite Read/Write Recording Head" by Valstyn.

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