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Fluidics head for testing chemical and ionic sensors

  • US 5,008,616 A
  • Filed: 11/09/1989
  • Issued: 04/16/1991
  • Est. Priority Date: 11/09/1989
  • Status: Expired due to Term
First Claim
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1. A fluidics head or a multiplicity of heads in an array thereof for automatically testing chemical and ionic sensing electronic circuit devices comprising:

  • a fluid confining cell having at least one open orifice to contain a known test fluid,means for filling said test fluid into said open orifice and discharging said test fluid from said open orifice when said orifice is in leakproof engagement with said sensing electronic circuit device to be tested, andmeans for providing electrical contacts to said sensing electronic circuit device so as to test said sensing electronic circuit device with said test fluid, wherein said open orifice has an internal shape such that fluid contamination in said fluid confining cell is minimized during discharge of said test fluid.

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