Appeal No. 2004-0283
Application No. 09/12,638
possession a component that has copper sheets on each side of a
metallic substrate wherein only one of the copper sheets is in
contact with the epoxy resin film. We come to this conclusion
because allowed claim 53, upon which claims 61 and 62 are
dependent, broadly encompasses a metallic substrate having a
copper sheet and epoxy resin on only one side of the substrate,
and other, non-defined coatings or layers on the other side of
the substrate, including a copper sheet without a coating of an
epoxy resin. Since the specification discloses that "it has been
known to adhere to the shiny side of the copper foil a protective
polymeric film that may be removed during the assembly of the
copper sheet onto a circuit board or onto another copper sheet"
(page 2, lines 5-7), we are satisfied that one of ordinary skill
in the art would understand that appellants had in their
possession an embodiment wherein the metallic substrate has a
copper sheet in contact with each of the opposite surfaces of the
substrate, with one of the copper sheets having a coating of
partially cured epoxy resin and the other copper sheet having a
coating of the protective polymeric film of the prior art. As
stated by appellants in the Reply Brief, "[i]t should be
appreciated that other means are known in the prior art that
serve this function, including, but not limited to, an uncured
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