Superconductor technology: apparatus – material – process – High temperature – per se – Having tc greater than or equal to 150 k
Patent
1990-07-17
1992-10-27
Strecker, Gerard R.
Superconductor technology: apparatus, material, process
High temperature , per se
Having tc greater than or equal to 150 k
1286531, 324248, 505846, G01R 33035, A61B 505, H01B 1200, H01F 508
Patent
active
051589320
ABSTRACT:
A biomagnetometer has a magnetic pickup coil positioned remotely from a detector and inductively coupled to the detector. The detector is preferably made from a low-temperature superconductor, while the pickup coil can be made of a high-temperature superconductor. The detector and pickup coil can therefore be placed into separate containers, with an inductive coupler between the containers. In one approach, the detector is maintained at liquid helium temperature, and the pickup coil and electrical connector are cooled by liquid nitrogen. The resulting biomagnetometer permits the container with the pickup coil to be moved and positioned easily, and to be changed readily between various configurations particularly suited for performing various functions.
REFERENCES:
patent: 2103179 (1937-12-01), Rennau
patent: 3980076 (1976-09-01), Wilswo, Jr. et al.
patent: 4079730 (1978-03-01), Wikswo, Jr. et al.
patent: 4324255 (1982-04-01), Barach et al.
patent: 4793355 (1988-12-01), Crum et al.
patent: 4827217 (1989-05-01), Paulson
Black, Jr. William C.
Buchanan David S.
DiIorio Mark S.
Hinshaw Waldo S.
Hirschkoff Eugene C.
Biomagnetic Technologies, Inc.
Garmong Gregory
Strecker Gerard R.
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