Appeal No. 96-1837
Application No. 08/083,372
in thermal expansion coefficients when fastening components, in
general. However, we do not view this general teaching as
clearly suggesting the instant claimed subject matter. We are
unconvinced that the skilled artisan having the Ishikawa and
Kobashi teachings before him/her, and without the benefit of
hindsight gleaned from appellants’ disclosure, would have
employed a buffer member having a thermal expansion coefficient
which is substantially an intermediate value between the thermal
expansion coefficients of the two adjacent members (i.e.,
recording medium/engagement portion; recording medium/clamp;
spacer/recording medium) required by the instant claims wherein
the difference between the thermal expansion coefficients of the
two adjacent members is larger than the value recited in the
instant claims.
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