Appeal No. 96-1850
Application No. 08/218,000
The references relied on by the examiner are:
Perkins et al. (Perkins) 4,726,657 Feb.
23, 1988
Mollenhauer et al. (Mollenhauer), “A Compact, Economical, and
Versatile Moire Interferometer,” Proceedings of the 1993 SEM
Spring Conference on Experimental Mechanics, Bethel,
Connecticut, pp. 954 through 963.2
Claims 1 through 9 stand rejected under 35 U.S.C. § 103
as being unpatentable over Mollenhauer in view of Perkins.
Reference is made to the brief and the answer for the
respective positions of the appellants and the examiner.
OPINION
We have carefully considered the entire record before us,
and we will reverse the obviousness rejection of claims 1
through 9.
Mollenhauer discloses a moire interferometer mounted on
an aluminum ring (Figure 2). Appellants explain
(specification, page 5) that a problem with such a moire
interferometer is that all of the optical elements are exposed
to the surrounding air, and that the moire interferometer is
2The citation for this publication was reproduced from
appellants’ disclosure (specification, page 5).
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