Air bearing slider having a relieved trailing edge

Details Air bearing slider having a relieved trailing edge Air bearing slider having a relieved trailing edge

1997-05-15

1999-02-16

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360122, G11B 1732, G11B 5187

Patent

active

058726845

ABSTRACT:
The present invention discloses a slider having an alumina overcoat layer that is etched so as to be tapered, sloped, inclined, recessed, or faceted with respect to the air-bearing surfaces of the slider. The present invention also relates to a method for eliminating overcoat protrusions by etching away portions of the alumina overcoat layer at row level. Preferably, photolithographic techniques are used at row level to both etch the air-bearing surfaces of the slider and to etch away potential protrusion regions of the alumina overcoat.

REFERENCES:
patent: 4797765 (1989-01-01), Ezaki et al.
patent: 5079831 (1992-01-01), Reid
patent: 5116719 (1992-05-01), Gau
patent: 5331497 (1994-07-01), Fuchigami
patent: 5508863 (1996-04-01), Goto et al.
patent: 5578342 (1996-11-01), Tran et al.
patent: 5580602 (1996-12-01), McKean et al.
patent: 5659451 (1997-08-01), Cohen et al.

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