Multichannel device with superconductor gradiometers for measuri

Details Multichannel device with superconductor gradiometers for measuri Multichannel device with superconductor gradiometers for measuri

1986-07-18

1988-09-13

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Magnetometers

128653, 307306, 324262, G01R 33035, G01R 33022, A61B 505

Patent

active

047712392

ABSTRACT:
A multichannel device for measuring weak, varying magnetic fields contains in each channel a gradiometer formed by superconducting loops on a planar carrier element; a superconducting direct current quantum interferometer (DC-SQUID) rigidly joined to the carrier element mechanically; and superconducting rigidly connecting links between the gradiometer and the interferometer, including a coupling-in coil. The active area of the gradiometer system is to be kept as small as possible and should approach the contour of a patient to be examined at the same time. Towards this end, several planar carrier elements fastened to one common carrier structure are provided, there being disposed on each carrier element the superconducting components such as the gradiometer, interferometer formed directly on the carrier element, and connecting links associated with at least one channel.

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