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Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 18. Отображено 15.
16-03-2017 дата публикации

SYSTEMS AND METHODS FOR MAGNETIC SHIELDING

Номер: US20170077380A1
Принадлежит:

Systems and methods for magnetic shielding are described. A magnetic shield formed of a material having a high magnetic permeability may be degaussed using a toroidal degaussing coil. The toroidal degaussing coil may enclose at least a portion of the shield. Magnetic field gradients may be actively compensated using multiple magnetic field sensors and local compensation coils. Trapped fluxons may be removed by an application of Lorentz force wherein an electrical current is passed through a superconducting plane. 15.-. (canceled)6. A superconducting chip comprising:a plurality of superconducting devices;a superconducting plane positioned above the plurality of superconducting devices;a first current lead electrically coupled to the superconducting plane; anda second current lead electrically coupled to the superconducting plane.7. The superconducting chip of claim 6 , further comprising:a fluxon barrier carried on the superconducting plane, wherein the fluxon barrier is positioned adjacent to an edge of the superconducting plane and extends substantially parallel thereto, and wherein the fluxon barrier comprises at least a first strip of superconducting material.8. The superconducting chip of wherein the fluxon barrier comprises at least a second strip of superconducting material that is stacked on top of the first strip of superconducting material.9. The superconducting chip of wherein the superconducting plane is a superconducting ground plane coupled to a ground.10. The superconducting chip of wherein the second current lead is spaced from the first current lead.11. The superconducting chip of wherein a current that exceeds a critical current of the superconducting plane is supplied via the first and the second current leads.12. The superconducting chip of wherein in response to the supply of the current that exceeds the critical current of the superconducting plane claim 11 , a Lorentz force expels fluxons in a first direction claim 11 , the first direction ...

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11-10-2016 дата публикации

Systems and methods for magnetic shielding

Номер: US0009465401B2
Принадлежит: D-Wave Systems Inc., D-WAVE SYSTEMS INC

Systems and methods for magnetic shielding are described. A magnetic shield formed of a material having a high magnetic permeability may be degaussed using a toroidal degaussing coil. The toroidal degaussing coil may enclose at least a portion of the shield. Magnetic field gradients may be actively compensated using multiple magnetic field sensors and local compensation coils. Trapped fluxons may be removed by an application of Lorentz force wherein an electrical current is passed through a superconducting plane.

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22-06-2017 дата публикации

SYSTEMS, METHODS AND APPARATUS FOR USE WITH SUPERCONDUCTING BASED COMPUTING SYSTEMS

Номер: US20170178018A1
Принадлежит: D Wave Systems Inc

An electrical filter includes a dielectric substrate with inner and outer coils about a first region and inner and outer coils about a second region, a portion of cladding removed from wires that form the coils and coupled to electrically conductive traces on the dielectric substrate via a solder joint in a switching region. An apparatus to thermally couple a superconductive device to a metal carrier with a through-hole includes a first clamp and a vacuum pump. A composite magnetic shield for use at superconductive temperatures includes an inner layer with magnetic permeability of at least 50,000; and an outer layer with magnetic saturation field greater than 1.2 T, separated from the inner layer by an intermediate layer of dielectric. An apparatus to dissipate heat from a superconducting processor includes a metal carrier with a recess, a post that extends upwards from a base of the recess and a layer of adhesive on top of the post. Various cryogenic refrigeration systems are described.

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12-04-2012 дата публикации

SYSTEMS AND DEVICES FOR ELECTRICAL FILTERS

Номер: US20120088675A1
Принадлежит:

Adaptations and improvements to tubular metal powder filters include employing a polyester binder or a binder formed of vacuum grease, employing metal powders of multiple different chemical compositions and/or spanning multiple different ranges of grain-size, replacing the outer conductive housing and metal powder components with a single structure formed of sintered metal powder, and texturing (such as rifling, threading, sanding, or scratching) an inner surface of the outer conductive housing. The various adaptations and improvements are designed to accommodate single-ended and differential signaling, as well as superconducting and non-superconducting applications. 1. An electrical filter comprising:a hollow outer conductive housing;an inner conductor at least partially disposed in the hollow outer conductive housing;a polyester binder disposed in the hollow outer conductive housing; anda plurality of metal particles suspended in the polyester binder between the inner conductor and the hollow outer conductive housing such that the inner conductor is at least partially surrounded in the plurality of metal particles.2. The electrical filter of wherein the inner conductor is formed of a material that is superconducting below a critical temperature.3. The electrical filter of wherein the plurality of metal particles includes a metal powder.4. An electrical filter comprising:an outer conductive housing structure formed of sintered metal powder;a through-hole extending through the outer conductive housing structure; andan inner conductor positioned in the through-hole.5. The electrical filter of wherein the inner conductor is formed of a material that is superconducting below a critical temperature.6. An electrical filter comprising:an outer conductive housing having an inner surface;an inner conductor disposed in the outer conductive housing; anda plurality of metal particles suspended in a binder material disposed between the inner conductor and the outer conductive ...

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05-07-2012 дата публикации

SYSTEMS, METHODS, AND APPARATUS FOR ELECTRICAL FILTERS AND INPUT/OUTPUT SYSTEMS

Номер: US20120172233A1
Автор: Uchaykin Sergey V.
Принадлежит: D-WAVE SYSTEMS INC.

An electronic filtering device includes continuous trace on a dielectric substrate and a dissipation layer communicatively coupled to the trace. The dissipation layer may include disconnected metal particles, which may be embedded in a substrate, for example in an epoxy. The continuous trace may be meandering, for example crenulated, coil or spiral signal path. At least a second continuous trace may be spaced from the first by the substrate, and conductively coupled by a via. The electronic filtering device may be used in one or more printed circuit boards (PCBs) that form stages of an input/output system. 1. An input/output (I/O) system comprising:a first communicative component;a second communicative component, wherein at least one of the first and the second communicative components includes a device that is superconducting below a critical temperature; anda communicative connection that communicatively couples the first and the second communicative components, the communicative connection including a plurality of printed circuit board (PCB) based stages including a first stage and at least one additional stage communicatively coupled in series with the first stage between the first and the second communicative components, at least one of the first stage and the at least one additional stage including a continuous circuitous conductive trace carried by at least one PCB and a dissipative metal communicatively coupled to the continuous circuitous conductive trace to at least partially dissipate energy carried thereby.2. The I/O system of wherein the at least one PCB is a rigid PCB.3. The I/O system of wherein the at least one PCB is a flexible PCB.4. The I/O system of wherein the at least one additional stage is communicatively coupled directly to the second communicative component without any intervening stages therebetween.5. The I/O system of wherein the at least one PCB is a laminate structure.6. The I/O system of wherein the first stage and the at least one ...

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20-03-2014 дата публикации

SYSTEMS AND METHODS FOR MAGNETIC SHIELDING

Номер: US20140078636A1
Автор: Uchaykin Sergey V.
Принадлежит: D-WAVE SYSTEMS INC.

Systems and methods for magnetic shielding are described. A magnetic shield formed of a material having a high magnetic permeability may be degaussed using a toroidal degaussing coil. The toroidal degaussing coil may enclose at least a portion of the shield. Magnetic field gradients may be actively compensated using multiple magnetic field sensors and local compensation coils. Trapped fluxons may be removed by an application of Lorentz force wherein an electrical current is passed through a superconducting plane. 1. A system for compensating for a magnetic field gradient across an area , the system comprising:at least two magnetic field sensors respectively positioned at opposite ends of the area;at least two compensation coils respectively positioned proximate opposite ends of the area; andat least a first current source.2. The system for compensating for a magnetic field gradient from wherein the at least two compensation coils are electrically coupled in series with one another and both coupled to the first current source.3. The system for compensating for a magnetic field gradient from claim 1 , further comprising a second current source claim 1 , wherein a first compensation coil is electrically coupled to the first current source and a second compensation coil is electrically coupled to the second current source.4. The system for compensating for a magnetic field gradient from wherein the at least two compensation coils are respectively positioned proximate opposite ends along a width of the area claim 1 , and further comprising:at least two additional compensation coils that are respectively positioned proximate opposite ends along a length of the area.5. The system for compensating for a magnetic field gradient from wherein the at least two magnetic field sensors are respectively positioned at opposite ends along the width of the area claim 4 , and further comprising at least two additional magnetic field sensors that are respectively positioned at opposite ...

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07-03-2019 дата публикации

Input/output systems and devices for use with superconducting devices

Номер: US20190074808A1
Принадлежит: D Wave Systems Inc

Systems and devices for providing differential input/output communication with a superconducting device are described Each differential I/O communication is electrically filtered using a respective tubular filter structure incorporating superconducting lumped element devices and high frequency dissipation by metal powder epoxy. A plurality of such tubular filter structures is arranged in a cryogenic. multi-tiered assembly further including structural/thermalization supports and a device sample holder assembly for securing a device sample, for example a superconducting quantum processor. The ace between the cryogenic tubular assembly and room temperature electronics is achieved using hermetically sealed vacuum feed-through structures designed to receive flexible printed circuit board cable.

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17-09-2015 дата публикации

INPUT/OUTPUT SYSTEMS AND DEVICES FOR USE WITH SUPERCONDUCTING DEVICES

Номер: US20150263260A1
Принадлежит: D-WAVE SYSTEMS INC.

Systems and devices for providing differential input/output communication with a superconducting device are described. Each differential I/O communication is electrically filtered using a respective tubular filter structure incorporating superconducting lumped element devices and high frequency dissipation by metal powder epoxy. A plurality of such tubular filter structures is arranged in a cryogenic, multi-tiered assembly further including structural/thermalization supports and a device sample holder assembly for securing a device sample, for example a superconducting quantum processor. The interface between the cryogenic tubular filter assembly and room temperature electronics is achieved using hermetically sealed vacuum feed-through structures designed to receive flexible printed circuit board cable. 1. An electrical filter device for use with differential signals , the electrical filter device comprising:a first superconducting signal path, wherein the first superconducting signal path includes a first coil of superconductive wire;a first capacitor that capacitively couples the first superconducting signal path to a ground;a second superconducting signal path, wherein the second superconducting signal path includes a second coil of superconductive wire that is wound about the first coil of superconductive wire to form a first top-bottom coil pair;a second capacitor that capacitively couples the second superconducting signal path to the ground; andmeans for changing a coiling direction of at least one of the first coil of superconductive wire and/or the second coil of superconductive wire.2. The electrical filter device of claim 1 , further comprising:a dielectric substrate, wherein the first coil of superconductive wire is wound about a first narrow region of the dielectric substrate, and wherein the first capacitor and the second capacitor are each at least partially received in a respective through-hole in the dielectric substrate.3. The electrical filter ...

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03-12-2015 дата публикации

SYSTEMS, METHODS AND APPARATUS FOR MEASURING MAGNETIC FIELDS

Номер: US20150346291A1
Принадлежит:

SQUIDs may detect local magnetic fields. SQUIDS of varying sizes, and hence sensitivities may detect different magnitudes of magnetic fields. SQUIDs may be oriented to detect magnetic fields in a variety of orientations, for example along an orthogonal reference frame of a chip or wafer. The SQUIDS may be formed or carried on the same chip or wafer as a superconducting processor (e.g., a superconducting quantum processor). Measurement of magnetic fields may permit compensation, for example allowing tuning of a compensation field via a compensation coil and/or a heater to warm select portions of a system. A SQIF may be implemented as a SQUID employing an unconventional grating structure. Successful fabrication of an operable SQIF may be facilitated by incorporating multiple Josephson junctions in series in each arm of the unconventional grating structure. 1. (canceled)2. A system for measuring magnetic fields , the system comprising: a first plurality of superconducting quantum interference devices (“SQUIDs”), each SQUID in the first plurality of SQUIDs respectively comprising a closed superconducting current path formed by a material that is superconducting below a first temperature, at least one Josephson junction that interrupts the respective closed superconducting current path, the closed superconducting current path having a longitudinal axis and enclosing a region having a respective area, the longitudinal axes of the SQUIDs in the first plurality of SQUIDs each having a first orientation, and the respective area of the region of a first one of the SQUIDs in the first plurality of SQUIDs is different than the respective area of the region of a second one of the SQUIDs in the first plurality of SQUIDs; and', 'a second plurality of SQUIDs each SQUID in the first plurality of SQUIDs respectively comprising a closed superconducting current path formed by a material that is superconducting below a second temperature, at least one Josephson junction that interrupts ...

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28-12-2017 дата публикации

Input/output systems and devices for use with superconducting devices

Номер: US20170373658A1
Принадлежит: D Wave Systems Inc

Systems and devices for providing differential input/output communication with a superconducting device are described. Each differential I/O communication is electrically filtered using a respective tubular filter structure incorporating superconducting lumped element devices and high frequency dissipation by metal powder epoxy. A plurality of such tubular filter structures is arranged in a cryogenic, multi-tiered assembly further including structural/thermalization supports and a device sample holder assembly for securing a device sample, for example a superconducting quantum processor. The interface between the cryogenic tubular filter assembly and room temperature electronics is achieved using hermetically sealed vacuum feed-through structures designed to receive flexible printed circuit board cable.

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15-04-2010 дата публикации

Systems, methods and apparatus for measuring magnetic fields

Номер: WO2010042735A2
Принадлежит: D-WAVE SYSTEMS INC.

SQUIDs may detect local magnetic fields. SQUIDS of varying sizes, and hence sensitivities may detect different magnitudes of magnetic fields. SQUIDs may be oriented to detect magnetic fields in a variety of orientations, for example along an orthogonal reference frame of a chip or wafer. The SQUIDS may be formed or carried on the same chip or wafer as a superconducting processor (e.g., a superconducting quantum processor). Measurement of magnetic fields may permit compensation, for example allowing tuning of a compensation field via a compensation coil and/or a heater to warm select portions of a system. A SQIF may be implemented as a SQUID employing an unconventional grating structure. Successful fabrication of an operable SQIF may be facilitated by incorporating multiple Josephson junctions in series in each arm of the unconventional grating structure.

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14-05-2013 дата публикации

Systems and methods for magnetic shielding

Номер: US8441330B2
Автор: Sergey V. Uchaykin
Принадлежит: D Wave Systems Inc

Systems and methods for magnetic shielding are described. A magnetic shield formed of a material having a high magnetic permeability may be degaussed using a toroidal degaussing coil. The toroidal degaussing coil may enclose at least a portion of the shield. Magnetic field gradients may be actively compensated using multiple magnetic field sensors and local compensation coils. Trapped fluxons may be removed by an application of Lorentz force wherein an electrical current is passed through a superconducting plane.

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14-05-2009 дата публикации

Systems, methods, and apparatus for combined superconducting magnetic shielding and radiation shielding

Номер: US20090122508A1
Принадлежит: Individual

A device is at least partially contained within a shielded enclosure formed by a first material that has a high thermal conductivity and plated with a second material that is superconductive below a critical temperature. An exterior of the shielded enclosure is at least partially wound by a compensation coil that is coupled to a current source. One or more measurement devices are responsive to magnetic fields in close proximity to the device, allowing compensation by controlling current to the compensation coil. Thus, magnetic shielding may be provided by compensation fields that may be trapped within the shielded enclosure when the system is cooled below the critical temperature of the second material. Radiation shielding may be provided by cooling the shielded enclosure to a temperature that is approximately equal to the temperature of the device.

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07-05-2009 дата публикации

Systems, methods, and apparatus for combined superconducting magnetic shielding and radiation shielding

Номер: WO2009055930A1
Принадлежит: D-WAVE SYSTEMS INC.

A device is at least partially contained within a shielded enclosure formed by a first material that has a high thermal conductivity and plated with a second material that is superconductive below a critical temperature. An exterior of the shielded enclosure is at least partially wound by a compensation coil that is coupled to a current source. One or more measurement devices are responsive to magnetic fields in close proximity to the device, allowing compensation by controlling current to the compensation coil. Thus, magnetic shielding may be provided by compensation fields that may be trapped within the shielded enclosure when the system is cooled below the critical temperature of the second material. Radiation shielding may be provided by cooling the shielded enclosure to a temperature that is approximately equal to the temperature of the device.

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26-02-2019 дата публикации

Systems, methods and apparatus for measuring magnetic fields

Номер: CA2738669C
Принадлежит: D Wave Systems Inc

SQUIDs may detect local magnetic fields. SQUIDS of varying sizes, and hence sensitivities may detect different magnitudes of magnetic fields. SQUIDs may be oriented to detect magnetic fields in a variety of orientations, for example along an orthogonal reference frame of a chip or wafer. The SQUIDS may be formed or carried on the same chip or wafer as a superconducting processor (e.g., a superconducting quantum processor). Measurement of magnetic fields may permit compensation, for example allowing tuning of a compensation field via a compensation coil and/or a heater to warm select portions of a system. A SQIF may be implemented as a SQUID employing an unconventional grating structure. Successful fabrication of an operable SQIF may be facilitated by incorporating multiple Josephson junctions in series in each arm of the unconventional grating structure.

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