Superconductor technology: apparatus – material – process – High temperature devices – systems – apparatus – com- ponents,... – Measuring or testing system or device
Patent
1997-09-25
1999-01-26
Saadat, Mahshid D.
Superconductor technology: apparatus, material, process
High temperature devices, systems, apparatus, com- ponents,...
Measuring or testing system or device
257 31, 257 33, 257 34, 324248, 505190, 505234, 505238, G01B 3900, H01L 2906, H01L 3922, G01P 3900
Patent
active
058638687
ABSTRACT:
A SQUID 10 was multiple junctions, each junction allowing a critical current to flow therethrough. The SQUID 10 comprises a laminar structure including: (a) a substantially planar substrate 12; (b) a first high temperature superconductive layer 14 of substantially uniform thickness deposited on the substrates; (c) a dielectric layer 16 deposited on the first superconductive layer 14, the dielectric layer 16 comprising a planar level segment 18 having two ramp segments defining SQUID junctions at opposing ends 20 and defining SQUID hole; and (d) a second high temperature superconductive layer 24 of substantially uniform thickness deposited on the dielectric layer 16, the second high temperature superconductive layer 24 covering all three segments of the dielectric layer 16. A magnetic field substantially parallel to the substrate applied to the SQUID hole modulates a critical current flowing through the junctions while minimizing magnetic field penetration into the junctions and minimizing SQUID loop inductance.
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Chan Hugo Wai-Kung
Daly Kenneth P.
Murduck James M.
Saadat Mahshid D.
TRW Inc.
Wilson Allan R.
Yatsko Michael S.
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