Method of testing components of pulsed droplet deposition appara

Details Method of testing components of pulsed droplet deposition appara Method of testing components of pulsed droplet deposition appara

1989-12-29

1990-11-27

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

324727, 346140R, B41J 2045

Patent

active

049739816

ABSTRACT:
A method for testing body components of pulsed droplet deposition apparatus comprises applying a variable frequency voltage to the electrodes of each of a number of selected channel wall elements. The resulting impedance variations are used to determine the natural frequencies of the selected wall elements which, in turn, are used to determine whether the compliance ratios of the selected wall elements and the droplet liquid to be used therewith lies within a desired range of values.

REFERENCES:
patent: 4879568 (1989-11-01), Bartky et al.
patent: 4887100 (1989-12-01), Michaelis et al.

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