Josephson junction

Made:
circa 1970
A Josephson junction c

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

License this image for commercial use at Science and Society Picture Library

License

A Josephson junction c
Science Museum Group
© The Board of Trustees of the Science Museum

A Josephson junction c. 1970 for use in the generation of harmonics from the millimetre and sub-millimetre wavelengths. (Pre-set Niobium-niobium Josephson junction. To be use at 40K)

Details

Category:
Nuclear Physics
Object Number:
1982-495
Materials:
stainless steel
Measurements:
casing: 10mm diameter, 5mm high
with 30mm connector
type:
junction
credit:
National Physical Laboratory.

Related Objects

Model, scale 1:12, of million volt particle accelerator as supplied by Philips Electrical Ltd. to the Cavendish Laboratory, Cambridge in 1938. cascade generator for producing steady voltage up to two million volts.

One Million Volt Particle Accelerator, 1938 (model)
Container and nine samples of molybdenum used in the production of molybdenum-99 for technetium-99m generators, by Amersham International, c. 1981

Container and nine samples of molybdenum used in the production of molybdenum-99
Two diagrams of Cockcroft and Walton's apparatus for the artificial disintegration of the elements by swift protons

Diagrams of Cockcroft and Walton's apparatus
Type IB2 ionisation chamber

Type IB2 ionisation chamber
Electromagnetic pump demonstration, comprising perspex rectangle to contain mercury driven by magnets; mercury carries current. On black base 395mm x 370mm, with metal plate inscribed "Model supplied by UK AEA Instrument development dept., Risley Nuclear Laboratories". Date of manufacture, c.1982.

Electromagnetic pump demonstration
Anticoincidence unit type 1475A

Anticoincidence unit type 1475A