Appeal No. 1999-0037 Page 3
Application No. 08/611,657
body and feature a leading portion, a trailing portion, and a
waist portion. The waist portion of at least one bearing
surface is wider than the leading and trailing portions and
has a maximum width at a position that is between 1/3 and 2/3
the length of the slider body.
Claim 15 follows:
15. A disc drive comprising:
a housing;
a rigid disc mounted in the housing for rotation
about a central axis, the disc having a recording
surface;
a rotary track accessing arm supported over the
recording surface; and
a slider carried by the track accessing arm for
communication with the recording surface, the slider
comprising:
a slider body having a leading edge, a
trailing edge and a length measured from the
leading edge to the trailing edge;
first and second longitudinal bearing
surfaces positioned on the slider body which
have a shape that concentrates positive
pressure, which is developed between the bearing
surfaces and the recording surface as the
recording surface rotates about the central
axis, between 1/3 to 2/3 the length of the
slider body;
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