Method of making a thin-film transducer design for undershoot re

Details Method of making a thin-film transducer design for undershoot re Method of making a thin-film transducer design for undershoot re

1996-06-20

1998-04-14

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

2960318, 360122, G11B 542

Patent

active

057378266

ABSTRACT:
A thin-film head electromagnetic transducer has two pole pieces which define a gap. The surface of at least one of the pole pieces has a linear edge defining one side of the gap and has two linear edges which are at an acute angle to the linear edge defining the gap and are symmetric about and abut at an axis perpendicular to the linear edge defining the gap.

REFERENCES:
patent: 4970616 (1990-11-01), Ramaswamy
patent: 5452166 (1995-09-01), Aylwin et al.
M. Yoshida et al., Edge Eliminated Head, IEEE Transactions on Magnetics, vol. 29, No. 6, Nov. 1993, pp. 3837-3839.
K. Fukuda et al., Off-track Capability of a Pole Trimmed Thin Film Head, Journal of the Magnetics Society of Japan, vol. 18, Supplement, No. S1 (1994) pp.
T. Howell et al., Advanced Read Channels for Magnetic Disk Drives, IEEE Transactions on Magnetics, vol. 30, No. 6, Nov. 1994, pp. 3807-3812.

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