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| Number | Title | Issue Date |
| 6184765 | Switch useful at superconducting temperatures and comprising superconducting material The present invention is directed, inter alia, to a switch comprising: (A) a superconducting material whose field cooled and zero field cooled ac permittivities differ from each other, and whose field cooled and zero field cooled ac susceptibilities differ fro... | 02/06/2001 |
| 5434530 | Superconducting semiconducting cross-bar circuit A hybrid superconducting-semiconducting field effect transistor-like circuit element comprised of a superconducting field effect transistor and a closely associated cryogenic semiconductor inverter for providing signal gain is described. The hybrid circui... | 07/18/1995 |
| 5376626 | Magnetic field operated superconductor switch A superconducting switch is composed of anisotropic magnetic material. The switch has a first superconducting section, a variable resistive section and a second superconducting section. An external magnetic field is applied so that the first and second su... | 12/27/1994 |
| 5350739 | Reflective HTS switch A HTS switch includes a HTS conductor for providing a superconducting path for an electrical signal and an serpentine wire actuator for controllably heating a portion of the conductor sufficiently to cause that portion to have normal, and not superconduct... | 09/27/1994 |
| 5298485 | Superconductive logic device A logic circuit device includes a superconductive body formed of a ceramic superconductive material. The ceramic superconductive material has random grain boundaries which act as weak couplings. The ceramic superconductive material also has a magneto-resi... | 03/29/1994 |
| 5286710 | Superconductive alloys having bifurcated critical current density and method of preparation A device having superconductive and resistive states including an element comprising a high temperature superconductive material having a first (high) state with a first (high) critical current density and having a second (low) state with a second (low) c... | 02/15/1994 |
| 5264735 | Superconducting non-linear device A superconducting non-linear device comprising a superconducting conductor, a current source associated with the conductor for applying to the conductor a bias current, and a control device associated with the current source for selectably varying the bia... | 11/23/1993 |
| 5148046 | Superconductive switching device and method of use A superconductive switching device includes an elongated gate which is circumferentially spirally overwound by a trigger. Both the gate and the trigger are superconductive, but the resistance of the trigger is much smaller than the normal resistance of th... | 09/15/1992 |
| 4904882 | Superconducting optical switch A combination of optical interconnect technology with superconducting matal to form a superconducting neural network array. Superconducting material in a matrix has the superconducting current decreased in one filament of the matrix by interaction of the... | 02/27/1990 |
| 4897558 | Superconducting device, apparatus and method for selectively supplying current to a load A load is selectively supplied with current from an energy storing inductor shunted by a superconducting device. In the normal and superconducting states, the superconducting device respectively has an impedance greater than and much less than that of the... | 01/30/1990 |
| 4647954 | Low temperature tunneling transistor The transistor comprises two electrodes, source (12) and drain (13), with a semiconductor tunnel channel (11) arranged therebetween. A gate (14) for applying control signals is coupled to the channel. The semiconductor, at low temperatures, behaves like a... | 03/03/1987 |
| 4488164 | Quantized Hall effect switching devices A switching element (e.g., 30) is furnished by an inversion layer (e.g., 55) in a zero resistance state under the influence of a quantizing magnetic field, the inversion layer having a ring geometry. Voltage (e.g., Vo) applied across a pair of ... | 12/11/1984 |
| 4473875 | Inductive storage pulse circuit device Inductive storage pulse circuit device which is capable of delivering a series of electrical pulses to a load in a sequential manner. Silicon controlled rectifiers as well as spark gap switches can be utilized in accordance with the present invention. A c... | 09/25/1984 |
| 4164777 | Superconducting switch incorporating a steering diode A persistence switch comprises a diode and superconductive wire in thermal contact with the diode. The heat evolved by current through the forward biased diode raises the temperature of the superconductor above the transition temperature. The diode charac... | 08/14/1979 |
