superconducting quantum interference device


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superconducting quantum interference device

[¦sü·pər·kən′dəkt·iŋ ′kwän·təm ‚in·tər¦fir·əns di‚vīs]
(electronics)
A superconducting ring that couples with one or two Josephson junctions; applications include high-sensitivity magnetometers, near-magnetic-field antennas, and measurement of very small currents or voltages. Abbreviated SQUID.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Superconductors could lead to the following advances in electronic systems: high-speed, low-noise, and low-power Josephson junction active devices; ultra-low loss, zero-dispersion transmission lines and filters; potential for hybrid semiconductor/superconductor integrated circuits; solid-state power switching; superconducting quantum interference devices (SQUID) used for magnetic and electromagnetic sensing; and integrated circuits for analog-to-digital (A/D) sensor (IR, microwave, and millimeter wave) components.
According to Francisco, the first marketable HTS products, superconducting quantum interference devices (SQUIDS), are "within shouting distance" of commercial production.
The company's MCG system is enabled through the use of an array of Superconducting Quantum Interference Devices (SQUIDS) and has received FDA clearance, the CE Mark for Europe and approved for sale in Russia and China.
Researchers have demonstrated that the addition of an optimal level of such noise can sometimes make it easier to detect faint, information-carrying signals in electronic circuits and superconducting quantum interference devices (SN: 2/23/91, p.127) and along individual sensory neurons in a crayfish (SN: 10/23/93, p.271).
In this research paper, the scientists show that a magnetic field-pulsed microwave transmission line containing an array of superconducting quantum interference devices, or SQUIDs, not only reproduces physics analogous to that of a radiating black hole, but does so in a system where the high energy and quantum mechanical properties are well understood and can be directly controlled in the laboratory.
That last constraint ruled out superconducting quantum interference devices, the large, cryogenically cooled machines most often used for NMR.

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