低温电流比较器在NML测定QHR

Proceedings of Conference on Precision Electromagnetic Measurements Digest Pub Date : 1994-06-27 DOI:10.1109/CPEM.1994.333256

G. Small, K. Leslie, B. W. Ricketts, P. Coogan

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引用次数: 1

摘要

NML正在开发一种低温电流比较器，用于对室温电阻和量子化霍尔电阻进行高精度比较。该比较器结合了校准辅助电流的方法和在比较器绕组周围构建超导屏蔽的方法的新发展。

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Cryogenic current comparator for QHR determination at NML

A cryogenic current comparator is being developed at NML to give high accuracy comparisons of room temperature resistors and quantized Hall resistances. The comparator incorporates novel developments in the method of calibrating auxiliary currents and in the method of construction of the superconducting shielding around the comparator windings.<>

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Proceedings of Conference on Precision Electromagnetic Measurements Digest

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