Appeal 2007-2140
Application 09/892,790
Patent 5,917,679
extending between said lead portion and said rear portion
defining a longitudinal direction of said slider and forming a
tangent to said rotational direction, said lead portion having a
front edge, said rear portion having a rear edge, said front edge
and said rear edge together defining boundaries of said
principal surface in said longitudinal direction of said slider;
and
a U-shaped air bearing platform defining a negative
pressure cavity on said principal surface, said U-shaped air
bearing platform comprising not more than two separate air
bearing platforms each extending from different and facing
spaced-apart opposite ends of said not more than two separate
air bearing platforms rearwardly toward said rear portion of
said principal surface and respectively forming a first air
bearing surface terminating said first side wall portion and
forming a second air bearing surface terminating said second
side wall portion, at least one of said not more than two
separate air bearing platforms including a side wall portion with
said U-shaped platform comprising an arcuately shaped front
wall oriented toward said lead portion.
5. The copy of dependent reissue claims 22, 25, 32, 39, 43, 46,
and 51, in the claim appendix attached to the Brief filed December 9, 2002 is
defective; a correct copy of these claims appears in Appellants’ Amendment
filed June 18, 2002 and reads as follows:
22. The negative pressure air bearing slider according to
claim 21, further comprising:
a gap disposed within said U-shaped air bearing platform.
25. The negative pressure air bearing slider according to
claim 21, further comprising:
a recessed step disposed within said U-shaped air bearing
platform.
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