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Royer Oscillator Type Pulse Triggered Switching Devices Using YBCO and BSCCO HTcSC Cores

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3 Author(s)
Uchiyama, T. ; Nagoya University. ; Shibata, T. ; Mohri, K.

A new high-speed transistor switching device was developed, using either a YBa2Cu3O7-x or a BiSrCaCuO high-temperature oxide superconducting bulk core at 77K. The device is capable of switching with a turn-on time (¿on) of 0.2 s and a turn-off time (¿off) of 0.2 s, when using a 1 A power transistor. These values are about 1/10 to 1/100 times shorter than the values of a transistor switching device with an amorphous ferromagnetic core. The improved switching speed can be attributed to the Meissner effect of the superconducting bulk core.

Published in:

Magnetics in Japan, IEEE Translation Journal on  (Volume:7 ,  Issue: 7 )

Date of Publication:

July 1992

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