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Current Controlled HTS Switches Fabricated by a Reactive Patterning Technique

Published online by Cambridge University Press:  26 February 2011

Q. Y. Ma ,
W. N. Hardy ,
R. B. Laibowitz  and
E. S. Yang
Q. Y. Ma
Affiliation:
Physics Dept. University of British Columbia, Vancouver, V6T 1Z1, Canada
W. N. Hardy
Affiliation:
Physics Dept. University of British Columbia, Vancouver, V6T 1Z1, Canada
R. B. Laibowitz
Affiliation:
IBM Research Center, Yorktown Heights, NY 10598
E. S. Yang
Affiliation:
Dept. of Electrical Engineering, Columbia University, New York, NY 10027
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Abstract

A current controlled HTS switch (CCSS) has been fabricated using the Si-YBCO reactive patterning technique. The Si films were deposited on MgO substrates by e-beam evaporation and patterned via a lift-off process. The YBCO films were deposited thereafter by pulsed laser deposition to form micron-sized HTS strip lines with different widths and lengths. A typical line has a normal resistance ranging from 10 Ω to 100 KΩ. A CCSS was constructed using such a HTS line as a resistor in parallel with a load resistor. The operation of CCSS is similar to that of a current divider. Applications of CCSS includes HTS logic gates and circuit breakers.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 275: Symposium S – Layered Superconductors: Fabrication, Properties and Applications , 1992 , 565
Copyright
Copyright © Materials Research Society 1992

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References

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