Abstract

On September 12, 1993, the German satellite ASTROSPAS was launched on board the Space Shuttle Discovery, Flight STS-51. The satellite included the scientific device ORFEUS, as well as the SESAM experiment, developed by Deutsche Forschungsanstalt fur Luft- und Raumfahrt in Braunschweig, Germany, to investigate surface effects. One of the 20 SESAM samples was a chip with 16 high-T/sub c/ RF SQUIDs on a SrTiO/sub 3/ substrate. The SQUIDs were made using YBCO films and local oxygen-ion irradiated weak links, at launch time the sample was 19 months old. No changes were observed in the SQUID operation after this 10 days flight. This is the first space test of electronic devices based on high-T/sub c/ materials.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

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