Apparatus for electrostatically imaging the surface of an object

Details Apparatus for electrostatically imaging the surface of an object Apparatus for electrostatically imaging the surface of an object

1993-10-04

1995-07-04

Wieder, Kenneth A.

Electricity: measuring and testing

A material property using electrostatic phenomenon

324457, 324662, 324112, 382312, G01R 2912, G01B 728, G01B 734

Patent

active

054303818

ABSTRACT:
Electrostatic imaging apparatus comprises a plurality of electrostatic radiators and a signal generator for driving the radiators to produce an electrostatic field having characteristics modifiable by the presence of an object within the field. The field characteristics are detected and processed to produce output signals representative of a surface profile of the object.

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