Model tests to investigate the effects of geometrical imperfections on the NIST calculable capacitor

Model tests to investigate the effects of geometrical imperfections on the NIST calculable capacitor

A calculable capacitor links the U.S. capacitance unit to the SI unit and has a relative standard uncertainty of 2/spl times/10/sup -8/. Geometrical imperfections are one of the largest sources of this uncertainty. Tests with a model calculable capacitor have been done to better evaluate and reduce...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Jeffery, A., Lee, L.H., Shields, J.Q.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Bars
Capacitance
Capacitors
Electrodes
Length measurement
NIST
Position measurement
Probes
Solid modeling
Testing
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Beschreibung
Zusammenfassung:A calculable capacitor links the U.S. capacitance unit to the SI unit and has a relative standard uncertainty of 2/spl times/10/sup -8/. Geometrical imperfections are one of the largest sources of this uncertainty. Tests with a model calculable capacitor have been done to better evaluate and reduce this uncertainty.
DOI:10.1109/CPEM.1998.700000