Appeal No. 94-0105
Application 07/854,124
This decision on appeal involves claims 1 through 9,
which are all the claims remaining in the application.
The subject matter on appeal relates to a process for
making a high temperature superconductor (HTSC) Josephson
element from
YBaCuO (also referred to in the art as “YBCO”) materials.
Claim 1 adequately illustrates the claimed subject matter for
the purposes of this decision:
1. A method of producing a high temperature
superconductor Josephson element comprising the steps of:
providing a substrate;
depositing a lower superconducting electrode film layer
of YBaCuO on the substrate;
depositing a weak link barrier layer of a
nonsuperconducting film of N-YBaCuO on the lower film layer,
and
depositing an upper superconducting counter-electrode
film layer of YBaCuO on the barrier layer.
The references relied upon by the examiner as evidence of
obviousness are:
G. Koren et al. (Koren), “Highly Oriented as-Deposited
Superconducting Laser Ablated Thin Films of Y Ba Cu O on
1 2 3 7-*
SrTiO , Zirconia, and Si Substrates,” 53 Appl. Phys. Lett. No.
3
23, 2330-2332 (1988)
2
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