Magnetic head with a laminated magnetic film thicker than a trac

Details Magnetic head with a laminated magnetic film thicker than a trac Magnetic head with a laminated magnetic film thicker than a trac

1989-07-03

1992-01-07

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Core

G11B 5147

Patent

active

050796640

ABSTRACT:
A thin film magnetic recording/reproducing head and a method of manufacturing same. The head is formed by sandwiching a multilayer thin film core between a pair of substrates, and removing a certain amount of the multilayer structure in the regions of the head which define the contact surface and the operational gap. The resulting structure has a thin film core which is thinner at the front core portion than is the back core portion. The method allows better alignment of two halves of the core portion in the vicinity of the operational gap.

REFERENCES:
patent: 4839763 (1989-06-01), Matsuzawa
patent: 4868698 (1989-09-01), Takahashi et al.
patent: 4894742 (1990-01-01), Saito et al.

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