Differential force balance apparatus

Details Differential force balance apparatus Differential force balance apparatus

1988-08-31

1991-04-23

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to force

73517B, G01L 108, G01P 1513

Patent

active

050091115

ABSTRACT:
A force measurement apparatus that provides means to compensate for thermal or other disturbances. The apparatus utilizes non-contact electron transfer mechanisms to provide indications of force sensed on a test mass. A plurality of electrodes are used in a differential measurement mode to provide self-zeroing and distortion compensation.

REFERENCES:
patent: 3229530 (1966-01-01), Wilcox et al.
patent: 4618767 (1986-10-01), Smith et al.
patent: 4762996 (1988-08-01), Binning et al.
Smith et al.-"Ultrasmall Scanning Tunneling Microscope . . . Storage Dewar", Rev. Sci. Instrum., vol. 57, No. 10, 10/1986, pp. 2630-2631.

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