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Title: Sensing roller for in-process thickness measurement

An apparatus and method for processing materials by sensing roller, in which the sensing roller has a plurality of conductive rings (electrodes) separated by rings of dielectric material. Sensing capacitances or impedances between the electrodes provides information on thicknesses of the materials being processed, location of wires therein, and other like characteristics of the materials.
Inventors:
 [1]
  1. (Albuquerque, NM)
Issue Date:
OSTI Identifier:
870516
Assignee:
Sandia Corporation (Albuquerque, NM) SNL
Patent Number(s):
US 5537048
Contract Number:
AC04-76DP00789
Research Org:
AT & T CORP
Country of Publication:
United States
Language:
English
Subject:
sensing; roller; in-process; thickness; measurement; apparatus; method; processing; materials; plurality; conductive; rings; electrodes; separated; dielectric; material; capacitances; impedances; provides; information; thicknesses; processed; location; wires; therein; characteristics; dielectric material; provides information; sensing roller; processing materials; thickness measurement; electrodes provide; /324/