Appeal No. 2001-0113
Application No. 08/604,751
necessarily weigh all the evidence and arguments." In re
Oetiker, 977 F.2d at 1445, 24 USPQ2d at 1444. "[T]he Board must
not only assure that the requisite findings are made, based on
evidence of record, but must also explain the reasoning by which
the findings are deemed to support the agency's conclusion." In
re Lee, 277 F.3d 1338, 1344, 61 USPQ2d 1430, 1434 (Fed. Cir.
2002). With these principles in mind, we commence review of the
pertinent evidence and arguments of Appellants and Examiner.
Upon review of the reference as a whole, we find that
Juengling teaches "a first conductive plug having a first type
conductivity and having a width approximately equal to a minimum
photolithographic limit" as recited in claim 12. In column 2,
lines 25-30, Juengling teaches that the minimum photolithographic
limit is 3000 angstroms. Further in column 6, lines 50-55,
Juengling teaches that layer 56 has a thickness in a range of
1500 angstroms to 4000 angstroms. Since 3000 angstroms is within
the range of 1500 angstroms to 4000 angstroms, "a first
conductive plug having a first type conductivity and having a
width approximately equal to a minimum photolithographic limit"
as recited in claim 12 at least would have been obvious in view
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