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Applied Superconductivity - Walther Meißner Institut - Bayerische ...

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xiv R. GROSS AND A. MARX LIST OF FIGURES4.26 Miniature SQUID Susceptometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1974.27 SQUID Radio-frequency Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1984.28 Multichannel SQUID Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2014.29 Magnetocardiography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2034.30 Magnetic field distribution during R peak . . . . . . . . . . . . . . . . . . . . . . . . . 2044.31 SQUID based nondestructive evaluation . . . . . . . . . . . . . . . . . . . . . . . . . . 2054.32 Scanning SQUID microscopy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2074.33 Scanning SQUID microscopy images . . . . . . . . . . . . . . . . . . . . . . . . . . . 2084.34 Gravity wave antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2094.35 Gravity gradiometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2105.1 Cryotron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2175.2 Josephson Cryotron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2185.3 Device performance of Josephson devices . . . . . . . . . . . . . . . . . . . . . . . . . 2205.4 Principle of operation of a Josephson switching device . . . . . . . . . . . . . . . . . . 2225.5 Output current of a Josephson switching device . . . . . . . . . . . . . . . . . . . . . . 2245.6 Threshold characteristics for a magnetically and directly coupled gate . . . . . . . . . . 2295.7 Three-junction interferometer gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2305.8 Current injection device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2305.9 Josephson Atto Weber Switch (JAWS) . . . . . . . . . . . . . . . . . . . . . . . . . . . 2315.10 Direct coupled logic (DCL) gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2315.11 Resistor coupled logic (RCL) gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2325.12 4 junction logic (4JL) gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2325.13 Non-destructive readout memory cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2345.14 Destructive read-out memory cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2355.15 4 bit Josephson microprocessor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2375.16 Josephson microprocessor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2385.17 Comparison of latching and non-latching Josephson logic . . . . . . . . . . . . . . . . . 2405.18 Generation of SFQ Pulses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2425.19 dc to SFQ Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2435.20 Basic Elements of RSFQ Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2445.21 RSFQ memory cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2455.22 RSFQ logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2465.23 RSFQ OR and AND Gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247© <strong>Walther</strong>-Meißner-<strong>Institut</strong>

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