SUPERCONDUCfiVE QUANTUM INTERFERENCE DEVICE FOR THE NON-DESTRUCTIVE EVALUATION OF METALS
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Description
High·Tc superconductor quantum interference devices
(SQUIDs) for noise-free, accurate measurements of
defects and flaws in metal shapes and forms by measuring
changes in the secondary magnetic field intensity
around any point which is excited by a primary excitation
current or by measuring changes in the impedance
of the exciting coils. These measured changes are corre-·
lated to defects and flaws present in the metal.
Keywords
Q Science (General), QC Physics