Magnetic head with wear resistant portion between an...

Details Magnetic head with wear resistant portion between an... Magnetic head with wear resistant portion between an...

2011-03-29

2011-03-29

Heinz, A. J. (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Head surface structure

Reexamination Certificate

active

07916424

ABSTRACT:
A magnetic head according to one embodiment includes a substrate; at least one transducer formed above the substrate, the at least one transducer being selected from a group consisting of a reader and a writer; an overcoat portion formed above the at least one transducer; and a wear resistant portion formed between the overcoat portion and a media-proximal surface of the magnetic head, the wear resistant portion being formed of a material having a greater resistance to media wear than a material from which the overcoat portion is formed.

REFERENCES:
patent: 4387410 (1983-06-01), Takanohashi et al.
patent: 6922317 (2005-07-01), Kirschenbaum et al.
patent: 7137190 (2006-11-01), Hsiao et al.
patent: 2002/0034055 (2002-03-01), Seyama et al.
patent: 2003/0193759 (2003-10-01), Hayashi
patent: 2004/0066573 (2004-04-01), Hsiao et al.
patent: 59-168913 (1984-09-01), None

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