Abstract
A technique that has been developed to fabricate niobium thin film microcircuits is described. This fabrication technique has been employed in making a 125-cm long superconducting inductance element that is 10 μ wide and is contained in an area 0.5 cm on a side. A superconducting niobium ground plane vibrating near the inductance element at a frequency of 100 kHz has been used to shuttle magnetic flux into and out of a superconducting loop connected in series with the inductance element. The suitability of this method of flux shuttling to the measurement of very small, steady magnetic fields is considered in detail.
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