Richard W. Ralston – författare
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2 produkter
2 produkter
Inbunden, Engelska, 1993
866 kr
Skickas inom 10-15 vardagar
This work provides a review of recent advances in all aspects of superconducting electronics, both for the traditional (4 K) liquid helium based (LTS) materials and the more recent ceramic (HTS) materials that can operate at higher temperatures in the range of liquid nitrogen (77 K). Special emphasis has been placed on the rapid progress over the past two years in the fabrication of thin-film structures which provide the potential for vastly improved passive elements in microwave circuitry and active components for signal processing and magnetic sensors. The fundamentals of superconducting and single-electron tunneling, as well as a detailed explanation of SQUID fundamentals, are presented. Current and projected applications of superconducting electronic and magnetic-sensing elements are discussed. The book concludes with four chapters devoted to new generations of analog-to-digital converters and digital signal processors.This information should prove valuable to scientists and engineers engaged in R&D on improved electromagnetic sensing and signal processing, the fabrication of thin-film components, and practical applications of rapidly emerging LTS and HTS superconducting technology.
Del 251 - NATO Science Series E:
New Superconducting Electronics
Häftad, Engelska, 2012
540 kr
Skickas inom 10-15 vardagar
This volume is based on the proceedings of the NATO-sponsored Advanced Studies Institute (ASn on The New Superconducting Electronics (held 9-20 August 1992 in Waterville Valley, New Hampshire USA). The contents herein are intended to provide an update to an earlier volume on the same subject (based on a NATO ASI held in 1988). Four years seems a relatively short time interval, and our title itself, featuring The New Superconducting Electronics, may appear somewhat pretentious. Nevertheless, we feel strongly that the ASI fostered a timely reexamination of the technical progress and application potential of this rapid-paced field. There are, indeed, many new avenues for technological innovation which were not envisioned or considered possible four years ago. The greatest advances by far have occurred with regard to oxide superconductors, the so-called high transition-temperature superconductors, known in short as HTS. These advances are mainly in the ability to fabricate both (1) high-quality, relatively large-area films for microwave filters and (2) multilayer device structures, principally superconducting-normal-superconducting (SNS) Josephson junctions, for superconducting-quantum-interference-device (SQUID) magnetometers. Additionally, we have seen the invention and development of the flux-flow transistor, a planar three-terminal device. During the earlier ASI only the very first HTS films with adequate critical-current density had just been fabricated, and these were of limited area and had high resistance for microwave current.