Appeal 2007-2140
Application 09/892,790
Patent 5,917,679
respectively, the first and second air bearing surfaces being
spaced apart from each other in the lateral direction of said
slider body. A third U-shaped projection extends from the
principal surface and includes a curved front wall portion at
least partially located between the first and second projections
and first and second side wall portions extending from opposite
ends of the curved front wall portion to a rear portion of the
principal surface so as to define a rounded negative pressure
cavity therein. A fourth projection extends from the rear portion
of the principal surface of the slider body at a position centrally
located in the lateral direction of the slider body, and a
transducer is mounted on a rear edge of the third projection so
as to establish pseudo contact with the disc surface while the
slider body is flying above the disc surface.
2. Additionally, Appellants disclose that side wall portions extend
along the sides of the principal surface and each defines an air bearing
surface (ABS) (U.S. Patent 5,917,679, Specification col. 4, ll. 26-31):
[S]ide wall portions respectively extend along said first and
second side portions of said principal surface and define third
and fourth air bearing surfaces located at said rear portion of
said principal surface and space apart from each other relative
to the radial direction of said slider body.
3. Additionally, Appellants disclose that cross rail 130 made of
straight segments forms an arcuate structure with a curvature (Specification
col. 5, ll. 37-46):
In addition, as shown in FIGS. 4 and 5, an arcuate cross
rail 130 extends across the principal surface 111 of the slider
100 and between the rear ABS platforms 110c and 110d and
lead ABS platforms 110a and 110b and generally along the
latitudinal axis H. The arcuate cross rail 130 and the rear ABS
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