Fluidics head for testing chemical and ionic sensors
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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Abstract
A fluidics head to facilitate the automatic testing of chemical and ionic sensing electronic circuit devices is provided. The fluidics head comprises a fluid confining cell having an open orifice capable of containing a known test fluid while the orifice is in leakproof engagement with sensing electronic circuit devices, an inlet and outlet opening capable of filling and discharging test fluids, and electrical probes capable of contacting the sensing electronic circuit devices so as to test the electrical response of the devices with the test fluids.
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Citations
8 Claims
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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:
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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, and means 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification