U.S. Philips Corporation

Bernd R David

Johann E Kruger

Olaf H Dossel

Gert Rabe

Rolf U Kobs

Wolfgang Hoppe

Kai-Michael Ludeke

Wilfried Edeler

A miniaturized SQUID module (10), notably for multi-channel magnetometers, for measurement of varying magnetic fields in a field strength range below 10.sup.-10 T, includes superconducting and shielded connections between a SQUID chip (19) and a gradiometer (12). The module can be mounted in the lower part of a cryostat and enables a large number of measurement points per unit of surface area. The SQUID chip (19) is arranged on a fully shielded supporting plate (18) which has a width of only a few millimeters and which is provided with electronic circuitry (23), the SQUID chip (19) being connected in a superconducting manner, at least by soldering, to the wires (11) of the gradiometer (12) via a superconducting, solderable and bondable intermediate support (27).

Miniaturized squid module having an intermediate super conducting

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Huttblek, Germany

Bernd R David