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Sensor array for detecting electrical characteristics of fluids

  • US 6,419,807 B1
  • Filed: 07/18/2000
  • Issued: 07/16/2002
  • Est. Priority Date: 08/02/1997
  • Status: Expired due to Term
First Claim
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1. A sensor array for detecting the distribution of fluids having different electrical characteristics, comprising a multilayer structure including a first layer which defines an array of spaced apart sensor electrodes, a second layer separated from the first layer by dielectric material and defining a conductive screen, and a third layer separated from the second layer by dielectric material and defining a series of spaced apart elongate connections, wherein the second layer is sandwiched between the first and third layers, each sensor being connected to a respective connection by a respective conductive path extending through an opening in the conductive screen defined by the second layer.

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