Appeal No. 1997-1321
Application No. 08/366,448
The disclosed invention relates to a magnetic head with a
slider. The slider has at least one trace formed by a process
that will induce a strain in a groove between the air bearing
surfaces of the slider. The strain controls the degree of
flatness of the air bearing surfaces.
Claim 21 is the only independent claim on appeal, and it
reads as follows:
21. A magnetic head with a slider, wherein said slider
has at least two air bearing surfaces in a medium opposing
surface, said slider also having a surface remote from the
medium opposing surface, said slider having at least one trace
of processing, said trace of processing arranged on a linear
line imaginarily drawn on a groove between the air bearing
surfaces, said trace of processing formed by a process
selected from machining, irradiating laser, electron rays, ion
beams, or ultrasonic waves, or by injecting fine abrasive
particles to the slider, so that said trace induces a strain
in the groove between the air bearing surfaces, said strain
controlling the degree of flatness of the air bearing
surfaces, wherein said air bearing surfaces are either all
convex or all concave.
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