Appeal No. 1998-3348 Page 10
Application No. 08/541,948
and 10 specify in pertinent part the following limitations:
“determining a first mechanical resonance frequency associated
with the coupling of the pitching mode mechanical resonance
frequency of a no-load spindle motor and the primary
mechanical resonance frequency of one disk to be loaded;
determining a second mechanical resonance frequency associated
with the coupling of the pitching mode mechanical resonance
frequency of the no-load spindle motor and the primary
mechanical resonance frequency of a plurality of disks to be
loaded; and selecting the spindle motor and the disk to
minimize the difference in the first mechanical resonance
frequency value and the second mechanical resonance frequency
value.” Accordingly, claims 1-10 require minimizing the
difference between a first mechanical resonance frequency
associated with the coupling of the pitching mode mechanical
resonance frequency of a no-load spindle motor and the primary
mechanical resonance frequency of one disk to be loaded and a
second mechanical resonance frequency associated with the
coupling of the pitching mode mechanical resonance frequency
of the no-load spindle motor and the primary mechanical
resonance frequency of plural disks to be loaded.
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