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Donald W Capone Deceased22 Melba Dr, Hudson, NH 03051
Donald Capone Phones & Addresses
22 Melba Dr, Hudson, NH 03051 (603) 883-3826 (603) 598-1381 (603) 882-3668
1727 Umbrella Tree Dr, Edgewater, FL 32132 (904) 423-7836
Wilmington, MA
22 Melba Dr, Hudson, NH 03051 (603) 598-1381
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Us Patents
Superconductor And Process Of Manufacture
US Patent:
5160794, Nov 3, 1992
Filed:
Jun 19, 1990
Appl. No.:
7/540193
Inventors:
James Wong - Wayland MA
Mark K. Rudziak - Westminister MA
Donald W. Capone - Northbridge MA
Mark K. Rudziak - Westminister MA
Donald W. Capone - Northbridge MA
Assignee:
Composite Materials Technology, Inc. - Shrewsbury MA
International Classification:
C22C 118
H01L 3912
H01L 3924
H01B 1202
H01L 3912
H01L 3924
H01B 1202
US Classification:
428661
Abstract:
In a preferred form of the invention, a superconductor is produced by the steps of combining a plurality of layers of metal sheets to form a composite structure. The sheets are pure transition metals--niobium, titanium, zirconium, or vanadium, alternate sheets being formed of different transition metals. The resulting composite structure is mechanically reduced sufficiently so that each transition metal sheet is less than 1000. ANG. thick. In the course of reduction, the composite is subjected to sufficient temperatures for sufficient times such that the transition metal layers are partially reacted to form a ductile superconducting material between the transition metal layers. Approximately one half by volume of the transition metal layers remain unreacted. These unreacted layers afford efficient flux pinning within the composite when the layers are reduced to the
Superconductor And Process Of Manufacture
US Patent:
5158620, Oct 27, 1992
Filed:
Feb 15, 1990
Appl. No.:
7/480236
Inventors:
James Wong - Wayland MA
Mark K. Rudziak - Westminister MA
Donald W. Capone - Northbridge MA
Mark K. Rudziak - Westminister MA
Donald W. Capone - Northbridge MA
Assignee:
Composite Materials Technology, Inc. - Shrewsbury MA
International Classification:
C22C 118
H01L 3912
H01L 3924
H01B 1202
H01L 3912
H01L 3924
H01B 1202
US Classification:
148 96
Abstract:
In the present invention, a superconductor is produced by the steps of wrapping a plurality of layers of metal sheets around a support to form a composite structure. The sheets are pure transition metals-13 niobium, titanium, zirconium, or vanadium, for example--alternate sheets being formed of different transition metals. The support may be composed of any ductile metal. The resulting composite structure is mechanically reduced sufficiently so that each transition metal sheet is less than 1000. ANG. thick. In the course of reduction, the composite is subjected to sufficient temperatures for sufficient times such that the transition metal layers are partially reacted to form a ductile superconducting material between the transition metal layers. Approximately one half by volume of the transition metal layers remain unreacted. These unreacted layers afford efficient flux pinning within the composite when the layers are reduced to the
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