Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7923717 | Switching device using superlattice without any dielectric barriers A switching device has an S (Superconductor)-N (Normal Metal)-S superlattice to control the stream of electrons without any dielectric materials. Each layer of said Superconductor has own terminal. The superlattice spacing is selected based on “Dimensional Crossov... | 04/12/2011 |
| 7479652 | Qubit readout via controlled coherent tunnelling to probe state This invention concerns quantum computers in which the qubits are closed systems, in that the particle or particles are confined within the structure. A “site” can be produced by any method of confining an electron or other quantum particle, such as a dopant ato... | 01/20/2009 |
| 7335909 | Superconducting phase-charge qubits A quantum computing structure comprising a superconducting phase-charge qubit, wherein the superconducting phase-charge qubit comprises a superconducting loop with at least one Josephson junction. The quantum computing structure also comprises a first mechanism for ... | 02/26/2008 |
| 7332738 | Quantum phase-charge coupled device A method for reading out the state of a mesoscopic phase device. In the method the mesoscopic phase device is coherently coupled to a mesoscopic charge device using a phase shift device and the quantum state of the mesoscopic charge device is measured. A method for ... | 02/19/2008 |
| 7323711 | High-temperature superconductive device A high-temperature superconductive device is disclosed, including a ramp-edge junction. The ramp-edge junction includes a first electrode layer (5) that defines the size of the ramp-edge junction and a second electrode layer (6). The width of the secon... | 01/29/2008 |
| 7321131 | Universal gates for ising TQFT via time-tilted interferometry Experiments suggest that the mathematically weakest non-abelian TQFT may be physically the most robust. Such TQFT's—the ν=5/2 FQHE state in particular—have discrete braid group representations, so one cannot build a universal quantum computer from these alone. ... | 01/22/2008 |
| 7307275 | Encoding and error suppression for superconducting quantum computers The present invention involves a quantum computing structure, comprising: one or more logical qubits, which is encoded into a plurality of superconducting qubits; and each of the logical qubits comprises at least one operating qubit and at least one ancilla qubit. A... | 12/11/2007 |
| 7242774 | Quantum cryptography based on phase entangled photons A quantum cryptography system [100] may include a transmitter [110] configured to generate entangled first and second photons, modulate and detect the first photon, and transmit detection information and the second photon. The system [100] may a... | 07/10/2007 |
| 7224019 | Semiconductor device and method of manufacture thereof A semiconductor device comprises a semiconductor substrate, an electrically rewritable semiconductor memory cell provided on the semiconductor substrate, the memory cell comprising an island semiconductor portion provided on the surface of the semiconductor substrat... | 05/29/2007 |
| 7138581 | Low resistance conductor, processes of production thereof, and electrical members using same A conductor obtained by connecting a plurality of superconductors by normal conductivity or a conductor including superconductors and normal conductors, said low resistance conductor using superconductors characterized in that an apparent specific resistance of said... | 11/21/2006 |
| 7091515 | High-temperature superconducting device and manufacturing method thereof At least two ramp-edge-structure Josephson junctions having different critical current densities to one another are provided on a substrate. ... | 08/15/2006 |
| 7087925 | Semiconductor device having reduced capacitance to substrate and method In one embodiment, a matrix of free-standing semiconductor shapes are oxidized to form a low capacitance isolation tub. The adjacent rows of shapes in the matrix are offset with respect to each to minimize air gap and void formation during tub formation. In a furthe... | 08/08/2006 |
| 7075171 | Superconducting system, superconducting circuit chip, and high-temperature superconducting junction device with a shunt resistor A superconducting system that includes an interface circuit capable of making the best use of a high-speed superconducting circuit and a high-speed semiconductor circuit. A multi-chip module in which an Nb superconducting circuit having josephson junctions formed by... | 07/11/2006 |
| 7049593 | Superconducting single photon detector A single-photon detector includes a superconductor strip biased near its critical current. The superconductor strip provides a discernible output signal upon absorption of a single incident photon. In one example, the superconductor is a strip of NbN (niobium nitrid... | 05/23/2006 |
| 7042004 | Method of forming quantum-mechanical memory and computational devices and devices obtained thereof The present invention discloses a quantum system comprising computational elements, consisting of an insulated ring of superconductive material, and semi-closed rings, which are used as an interface or input/output facility between the quantum bit and the external w... | 05/09/2006 |
| 6995390 | Switching device using superlattice without any dielectric barriers A switching device has an S (Superconductor)-N (Normal Metal)-S superlattice to control the stream of electrons without any dielectric materials. Each layer of said Superconductor has own terminal. The superlattice spacing is selected based on “Dimensional Crossov... | 02/07/2006 |
| 6987282 | Quantum bit with a multi-terminal junction and loop with a phase shift A solid-state quantum computing qubit includes a multi-terminal junction coupled to a superconducting loop where the superconducting loop introduces a phase shift to the superconducting order parameter. The ground state of the supercurrent in the superconducting loo... | 01/17/2006 |
| 6984846 | Gradiometer-based flux qubit for quantum computing and method therefor A qubit (quantum bit) circuit includes a superconducting main loop that is electrically-completed by a serially-interconnected superconducting subloop. The subloop includes two Josephson junctions. A first coil provides a first flux that couples with the main loop b... | 01/10/2006 |
| 6979836 | Superconducting low inductance qubit A superconducting structure that can operate, for example, as a qubit or a superconducting switch is presented. The structure includes a loop formed from two parts. A first part includes two superconducting materials separated by a junction. The junction can, for ex... | 12/27/2005 |
| 6958487 | Device for generating a constant voltage and method for fabricating the same A mesa-shaped superconducting-superlattice structure is formed and adhered with epoxy onto a dielectric substrate where plural superconducting layers and plural insulating layers are naturally and alternately stacked. A λ/4 micro strip line (which means the length ... | 10/25/2005 |
| 6919579 | Quantum bit with a multi-terminal junction and loop with a phase shift A solid-state quantum computing qubit includes a multi-terminal junction coupled to a superconducting loop where the superconducting loop introduces a phase shift to the superconducting order parameter. The ground state of the supercurrent in the superconducting loo... | 07/19/2005 |
| 6838694 | Superconducting quantum-bit device based on Josephson junctions A superconducting quantum-bit device based on Josephson junction has a charge as a first principal degree of freedom assigned to writing and a phase as a second principal degree of freedom assigned to reading. The device comprises a Cooper-pair box comprising first ... | 01/04/2005 |
| 6839578 | Method of forming high temperature superconducting Josephson junction A method of forming a novel high temperature superconducting Josephson junction which is capable of achieving a formation of a Josephson junction having high characteristics conveniently and quickly without necessitating costly micromachining facilities. Two high te... | 01/04/2005 |
| 6822255 | Finger SQUID qubit device A finger SQUID qubit device and method for performing quantum computation with said device is disclosed. A finger SQUID qubit device includes a superconducting loop and one or more superconducting fingers, wherein the fingers extend to the interior of said loop. Eac... | 11/23/2004 |
| 6812484 | Finger squid qubit device A finger SQUID qubit device and method for performing quantum computation with said device is disclosed. A finger SQUID qubit device includes a superconducting loop and one or more superconducting fingers, wherein the fingers extend to the interior of said loop. Eac... | 11/02/2004 |
| 6784451 | Multi-junction phase qubit In one embodiment, a two-junction phase qubit includes a superconducting loop and two Josephson junctions separated by a mesoscopic island on one side and a bulk loop on another side. The material forming the superconducting loop is a superconducting material with a... | 08/31/2004 |
| 6734454 | Internally shunted Josephson junction device A Josephson junction has inherent resistance which effectively shunts the junction and thereby obviates a separate shunt resistor and thus reduces surface area in an integrated circuit including a plurality of Josephson junctions. The Josephson junction comprises a ... | 05/11/2004 |
| 6670630 | Quantum phase-charge coupled device A superconducting structure that includes a mesoscopic phase device and a mesoscopic charge device. The superconducting structure further includes a mechanism for coupling the mesoscopic phase device and the mesoscopic charge device so that the quantum st... | 12/30/2003 |
| 6627916 | High sensitivity, directional DC-squid magnetometer A solid state dc-SQUID includes a superconducting loop containing a plurality of Josephson junctions, wherein an intrinsic phase shift is accumulated through the loop. In an embodiment of the invention, the current-phase response of the dc-SQUID sits in a... | 09/30/2003 |
| 6614047 | Finger squid qubit device A finger SQUID qubit device and method for performing quantum computation with said device is disclosed. A finger SQUID qubit device includes a superconducting loop and one or more superconducting fingers, wherein the fingers extend to the interior of sai... | 09/02/2003 |
| 6605822 | Quantum phase-charge coupled device A method for performing a quantum computing entanglement operation between a phase qubit and a charge qubit. A coherent connection between the phase qubit and the charge qubit is provided. The coherent connection allows the quantum state of the phase qubi... | 08/12/2003 |
| 6580102 | Four-terminal system for reading the state of a phase qubit Quantum computing systems and methods that use opposite magnetic moment states read the state of a qubit by applying current through the qubit and measuring a Hall effect voltage across the width of the current. For reading, the qubit is grounded to freez... | 06/17/2003 |
| 6476413 | High temperature superconducting Josephson junctions and SQUIDs A high temperature superconducting Josephson junction device with ramp-edge geometry in which silver is combined in a composite with YBa2 Cu3 O7, yttrium-barium-copper-oxide, to form the electrodes, or PrBa2 Cu | 11/05/2002 |
| 6403977 | Double-sided high-temperature superconducting flux-flow transistor A double-sided high-temperature superconducting flux-flow transistor is provided by advantageously placing a control line assembly and a weak-link assembly on opposite sides of a dielectric substrate to form a double-sided assembly that controls line curr... | 06/11/2002 |
| 6384424 | Squid A superconducting thin film pattern (20) formed from an oxide superconducting thin film is formed on a sapphire substrate (10) having a step (11) via a CeO2 buffer layer, and the step (11) and superconducting thin film pattern (20) are formed s... | 05/07/2002 |
| 6384423 | Process for reducing surface roughness of superconductor integrated circuit having a ground plane of niobium nitride of improved smoothness The invention is a process for reducing roughness of a surface of a superconductor material (23) having an undesirable surface roughness (30 and 32) and a trilayer superconductor integrated circuit (100). The process for reducing roughness of a surface of... | 05/07/2002 |
| 6344659 | Superconducting transistor arrangement and a method relating thereto The present invention relates on an interferometer arrangement comprising a source electrode and a drain electrode, a base electrode to which the source electrode and the drain electrode are connected through tunnel barriers, the base electrode thus formi... | 02/05/2002 |
| 6265752 | Method of forming a HVNMOS with an N+ buried layer combined with N well and a structure of the same The device includes a N.sup.+ buried layer in a substrate. A P-well is formed in an epitaxial layer on the buried layer. N-wells surround the P-well are also formed in the epitaxial layer. One of the N-well regions acts as a drain in the structure. A plur... | 07/24/2001 |
| 6239431 | Superconducting transition-edge sensor with weak links A system and method for using one or more localized weak-link structures, and damping on the electrical bias circuit, to improve the performance of superconducting transition-edge sensors (TES). The weak links generally consist of an area or areas having ... | 05/29/2001 |
| 6229154 | Photo detecting element An ultra high speed and high sensitivity photo detecting element is fabricated by laminating thin film layers of superconducting material and ferromagnetic material on a substrate. A photo detecting element composed of a photo detecting portion formed on ... | 05/08/2001 |
