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Class Information
Number: 257/E39.017
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Devices using superconductivity, processes, or apparatus peculiar to manufacture or treatment of such devices, or of parts thereof (epo) > Permanent superconductor devices (epo)
Description: This subclass is indented under subclass E39.001. This subclass is substantially the same in scope as ECLA classification H01L39/14.










Sub-classes under this class:

Class Number Class Name Patents
257/E39.018 Comprising high tc ceramic materials (epo) 230
257/E39.019 Three or more electrode devices (epo) 12


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7923717 Switching device using superlattice without any dielectric barriers Apr. 12, 2011
7371586 Superconductor and process for producing the same May. 13, 2008
6849137 Nb3Sn-system superconductive wire Feb. 1, 2005
6845254 Nb3Ga multifilamentary superconducting wire and process for preparing the same Jan. 18, 2005
6777808 Capacitor for signal propagation across ground plane boundaries in superconductor integrated circuits Aug. 17, 2004
6583362 Zirconia-stabilized multi-filamentary niobium-tin superconducting wire Jun. 24, 2003
6534718 Reinforcement of superconducting coils by high-strength materials Mar. 18, 2003
6508888 Stabilizer conductor comprising an aluminum based cryogenic stabilizer Jan. 21, 2003
6470564 Method of manufacturing aluminum-stabilized superconducting wire Oct. 29, 2002
6324746 Method of manufacturing a stable multifilament superconductor with reduced losses Dec. 4, 2001
6255596 Aluminum stabilized superconductor with Cu and Mg Jul. 3, 2001
6184765 Switch useful at superconducting temperatures and comprising superconducting material Feb. 6, 2001
6169397 Damped superconducting coil system having a multiturn, planar geometry superconducting coil and shunt resistors electrically connecting successive coil turns Jan. 2, 2001
6038759 Method of producing a superconductor billet Mar. 21, 2000
5891585 Nb.sub.3 Al multi-filamentary superconducting wire Apr. 6, 1999
5873158 Method of manufacturing a multifilament superconductor with resistive barrier integrated into the outer ring Feb. 23, 1999
5837941 Superconductor wire Nov. 17, 1998
5718034 Aluminum stabilized superconductor supported by aluminum alloy sheath Feb. 17, 1998
5689875 Superconductor with high volume copper Nov. 25, 1997
5656380 Superconductive article and method of making Aug. 12, 1997
5654098 Superconducting wire and composite superconductor Aug. 5, 1997
5620798 Aluminum stabilized superconductor supported by aluminum alloy sheath Apr. 15, 1997
5557072 Superconductive conductor presenting improved protection against partial transitions Sep. 17, 1996
5505790 Method for enhancing critical current of triniobium tin Apr. 9, 1996
5476719 Superconducting multi-layer microstrip structure for multi-chip modules and microwave circuits Dec. 19, 1995
5442137 Superconductor wire and method of manufacturing the same Aug. 15, 1995
5364709 Insulation for superconductors Nov. 15, 1994
5307068 Tunable high-frequency devices Apr. 26, 1994
5266416 Aluminum-stabilized superconducting wire Nov. 30, 1993
5252552 Superconductive device and method for demonstrating autorotation Oct. 12, 1993
5248851 Pseudo-rod fabricated from discrete planar conductors Sep. 28, 1993
5248657 Method for forming internally helixed high temperature superconductor assembly Sep. 28, 1993
5227754 Magnetic flux transmission system Jul. 13, 1993
5202305 Superconducting structure for magnetic shielding Apr. 13, 1993
5173093 Single spray level for flue gas desulfurization system Dec. 22, 1992
5171941 Superconducting strand for alternating current Dec. 15, 1992
5168125 Superconductor protected against partial transition Dec. 1, 1992
5164696 Apparatus for eliminating trapping of magnetic flux from an object Nov. 17, 1992
5100481 Compound superconducting wire and method of manufacturing the same Mar. 31, 1992
5088183 Process for producing fine and ultrafine filament superconductor wire Feb. 18, 1992
5081071 Magnetically shielded enclosure Jan. 14, 1992
5021401 Integrated production of superconductor insulation for chemical vapor deposition of nickel carbonyl Jun. 4, 1991
5004498 Dispersion strengthened copper alloy and a method of manufacturing the same Apr. 2, 1991
4990491 Insulation for superconductors Feb. 5, 1991
4990411 Compound superconducting wire and method of manufacturing the same Feb. 5, 1991
4982497 Process for manufacture of a superconductor Jan. 8, 1991
4977039 Superconducting wire and cable Dec. 11, 1990
4975669 Magnetic bottle employing Meissner effect Dec. 4, 1990
4942379 Superconductor for magnetic field shield Jul. 17, 1990
4917965 Multifilament Nb.sub.3 Al superconducting linear composite articles Apr. 17, 1990

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