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High temperature superconducting wire.(Brief Article)

The Laboratory notes that a first generation high temperature superconducting wire is already in practical use. It is a silver-covered bismuth-based oxide wire 0.25 mm thick and 3.5mm wide, enabling a superconducting electric current of 11 QA at the liquid nitrogen temperature of 77K.

Devices utilising this wire are already under development, with the aim of large scale production of wires 1,000 metres in length.

At the same time, a number of firms are engaged in the development of industrial-use magnets including a large magnet for single-silicon growth, in conditions where the operating temperature is maintained at 20K.

Presently under active Laboratory ...

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