Method of making a smooth topography head/disk interface surface

Details Method of making a smooth topography head/disk interface surface Method of making a smooth topography head/disk interface surface

1995-06-07

1997-03-25

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

2960315, 360122, G11B 542

Patent

active

056132930

ABSTRACT:
A thin-film head has patterned pole tips and a smooth interface surface topography which eliminates the accumulation of foreign material around the pole tips.

REFERENCES:
patent: 4143458 (1979-03-01), Gibson
patent: 4188247 (1980-02-01), Ridgway et al.
patent: 4295173 (1981-10-01), Romankiw et al.
patent: 4732600 (1988-03-01), Schiller
patent: 5321882 (1994-06-01), Zarouri et al.
K. Fukuda et al., Off-Track Capabiltiy of a Pole Trimmed Thin Film Head, Journal of the Magnetics Society of Japan, vol. 18, Supplement, No. S1 (1994).
M. Yoshida et al., Edge Eliminated Head, IEEE Transactions on Magnetics, vol. 29, No. 6, Nov. 1993, pp. 3837-3839.
"Development of Technologies for 2-Gb/in.sup.2 Areal Density Recording", Masaaki Futamoto and Fumio Kugiya, Electronics and Communications in Japan, Mar., 1993, pp. 94-103.

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