G - Physics – 01 – R
Patent
G - Physics
01
R
G01R 19/00 (2006.01) G01R 19/15 (2006.01) G01R 33/035 (2006.01) H01L 39/04 (2006.01)
Patent
CA 2072035
PACKAGED SQUID SYSTEM WITH INTEGRAL SHIELDING LAYER ABSTRACT OF THE DISCLOSURE A SQUID package includes a layered SQUID base and a SQUID mounted upon the base. The SQUID base is formed as a first substrate layer of an electrically insulating material, a shielding layer of a material that is superconducting at the SQUID operating temperature overlying the first substrate layer, and a second substrate layer of an electrically insulating material overlying the shielding layer. The shielding layer protects the SQUID from dc and ac interference such as magnetic and electrical fields, which would otherwise interfere with its operation. Related components such as input and output circuitry can be mounted on the base. An input coil used to detect magnetic fields can also be placed on the base, but in that case the shielding layer is made to cover only a portion of the SQUID base, and the input coil is positioned over the portion of the base that has no shielding layer.
Biomagnetic Technologies Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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