Appeal No. 96-2043
Application 07/990,514
4, line 8.
In short, Seppala teaches forming a composite pulse
having a temporal time duration )t=N .320 nsec as an
B
intermediate step in the process of forming a high power laser
beam output. The duration of the output beam, however, is 20
nsec. As appellant points out at page 8 of the brief, Seppala
suggests that the invention may be useful in inertial
confinement fusion.
We have carefully considered the collective teachings of
Hussein, L'Esperance, Guerder, Davies and Seppala. However,
we fail to perceive any suggestion in the collective teachings
of
the references to couple a pulsed XeCl Excimer laser having a
pulse duration between 100 nsec and 3000 nsec to the proximal
end of a fiber optic waveguide in an angioplasty system which
would have motivated one of ordinary skill to make such a
change in the catheter device shown by Hussein, except the
hindsight accorded one who first viewed the appellant’s
disclosure. This, of course, is impermissible. See In re
11
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