Appeal No. 97-0544 Page 6
Application No. 08/177,108
not bring the light to a focus and, at the same time, contain
image
information for ablation. They are merely scattering-type
masks.
They require condensing objects to image the mask to effect
ablation.” (Appeal Br. at 10.) “The examiner disagrees,
noting that these holographic articles both function as
diffractive optical masks. The examiner does agree that the
image recorded in these masks is different and that this
accounts for the relay lens used in the teachings of Smith et
al.. [sic]” (Examiner’s Answer at 12.) We agree with the
appellants.
The examiner errs in interpreting the scope of the
claims. Independent claim 16 specifies in pertinent part “a
computer generated hologram for producing converging coherent
light of the specific frequency from the subaperture with
image information from the subaperture to form a real image at
a working distance from the mask having a profile for ablating
the nozzles of specific shape and location on the substrate
....” Giving the claim its broadest reasonable
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