Appeal No. 96-2747
Application 08/245,518
Albrecht et al. (Albrecht) 5,200,867 Apr. 6, 1993
THE REJECTION
Claims 2 through 5, 7 and 8 stand rejected under 35 U.S.C.
§ 103 as being unpatentable over Albrecht in view of Aronoff.
The rejection is explained in the Examiner's Answer.
The opposing viewpoints of the appellant are set forth in
the Brief.
OPINION
According to the appellant, in a disk drive or direct access
storage device, a transducer reads the information from, or
writes information on the various tracks of the disk. The
transducer is attached to a slider which is suspended from an
arm. The slider is carried on the surface of the disks either by
a cushion of compressed gas, or by a layer of incompressible
fluid. In the latter system, the slider "skis" on the thin layer
of incompressible fluid, causing some fluid to be displaced,
which eventually results in a diminishment of the fluid thickness
over the tracks, an undesirable situation. Specification, pages
1 through 3.
As manifested in independent claims 2 and 7, the appellant's
invention solves this problem by providing on at least a portion
of the face of the slider a "textured surface with a patterned
3
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