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NON-CONTACT DETECTION OF SURFACE FLUID DROPLETS

  • US 20110241706A1
  • Filed: 04/06/2010
  • Published: 10/06/2011
  • Est. Priority Date: 04/06/2010
  • Status: Active Grant
First Claim
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1. A system for detecting fluid on a substrate comprising:

  • a sensor board;

    a first capacitive sensor mounted on the sensor board, the first capacitive sensor having a transmit sensor pad for transmitting a signal, a receive sensor pad for receiving the signal, and an analog-to-digital convertor connected with the receive sensor pad for analyzing the received signal; and

    a platform upon which the substrate is to be placed, wherein the platform is a first distance from the transmit and receive sensor pads.

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