Appeal 2007-0949
Application 10/081,312
Ohmi discloses that a temperature range of 150-450°C is preferred for
annealing magnesium fluoride coatings (Ohmi, col. 11, ll. 55-61). Ohmi,
like Itoh, discloses that the density of the magnesium fluoride coating
increases with the application of heat (Ohmi, col. 11, ll. 55-57). In other
words, Ohmi, like Itoh, recognizes temperature (i.e, heat treatment) as a
result-effective variable. Accordingly, it would have been obvious to
optimize the temperature range for Ohmi’s heat treatment to include a
temperature of “at least about 600°C” as recited in claim 9 to achieve the
desired density. In re Woodruff, 919 F.2d at 1578, 16 USPQ2d at 1936-
1937; In re Boesch, 617 F.2d at 276, 205 USPQ at 219; In re Aller, 220 F.2d
at 456, 105 USPQ at 235.
Therefore, we affirm the Examiner’s § 103(a) rejection of claim 9
over Tomita in view of Morton, Itoh and Ohmi.
DECISION
The Examiner’s rejection of claims 1-7, 10-12, 18, and 19 under
35 U.S.C. § 103(a) as being unpatentable over Toyoda in view of Ohashi,
Itoh, Tomita, and Morton is AFFIRMED.
The Examiner’s rejection of claim 8 under 35 U.S.C. § 103(a) as
being unpatentable over Toyoda in view of Ohashi, Itoh, Tomita, Morton,
and Kubota is AFFIRMED.
The Examiner’s rejection of claim 9 under 35 U.S.C. § 103(a) as
being unpatentable over Toyoda in view of Ohashi, Itoh, Tomita, Morton,
and Ohmi is AFFIRMED.
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