Interference No. 103,141
Sawada also moved to redefine the interference20
subject matter by adding a proposed count E to the
interference. Count E reads as follows:
Count E
Method of producing an elongate superconductive
body, characterized in that the method comprises:
(a) forming an elongate body comprising a normal
metal cladding, having at least one orifice, surrounding a
quantity of oxide and in contact therewith by at least one
cross-section-reducing operation on at least the oxide; and
(b) heat treating the oxide in the cladding such
that substantially sintering of the oxide occurs, with the
oxide being in contact with an oxygen containing atmosphere
during at least a part of step (b) such that the thus
produced body manifests superconductivity, with T of 30K or
c
above, wherein at least the portion of the cladding that is in
contact with the oxide consists essentially of normal metal
that is substantially inert with respect to oxygen and with
respect to the oxide under the heat treating conditions and
wherein T is one of onset T , midpoint T , R=0 T and fluxc c c c
expulsion T .
c
According to Sawada, proposed count E differed from existing
count 1 in that the order of sintering and reduction is not
specified, the superconducting oxide is not specified as a
powder but merely as an oxide, and the cladding is claimed as
having at least one orifice. Sawada argues that it is
20Paper No. 36, received July 27, 1993.
27
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