Method for fabricating a complex magnetic head including a repro

Details Method for fabricating a complex magnetic head including a repro Method for fabricating a complex magnetic head including a repro

1999-01-04

2000-02-22

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

2960315, 360113, G11B 542

Patent

active

060265590

ABSTRACT:
A fabrication process for a complex magnetic head having a reproducing MR head and a recording ID head comprises the steps of forming the MR head, forming an insulator film on the MR head, forming a photoresist frame on the insulator film, forming a top magnetic pole inside the photoresist frame by plating, trimming the top magnetic pole for defining the end width of the ID head while leaving the photoresist frame, and removing the photoresist frame. The photoresist frame protects the underlying films against the trimming and also protects the top magnetic pole film against an etching solution.

REFERENCES:
patent: 5802700 (1998-09-01), Chen et al.
patent: 5901432 (1999-05-01), Armstrong et al.
patent: 5916423 (1999-06-01), Westwood

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