FLUID COVERAGE SENSING SYSTEM AND METHOD
A system for applying a fluid to a substrate (1) bearing a sample for analysis (3) has an array of sensor plates (19a, 19b) positioned to sense the presence of fluid in contact with respective areas of the substrate. In a particular embodiment, fluid presence in different areas of the substrate is s...
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| creator | THURMAN, MATTHEW KOZIKOWSKI, RAYMOND RYGELSKI, MARIAN |
| description | A system for applying a fluid to a substrate (1) bearing a sample for analysis (3) has an array of sensor plates (19a, 19b) positioned to sense the presence of fluid in contact with respective areas of the substrate. In a particular embodiment, fluid presence in different areas of the substrate is sensed by the effect of the fluid and its identity on the impedances of capacitors formed between sensor plates within the array. In a more particular embodiment, by polling the sensor array continually while fluid is applied to the substrate determine a coverage map, a fluid dispensing mechanism can be controlled to efficiently cover the entire substrate with fluid a minimal amount of fluid, thereby reducing waste. |
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In a particular embodiment, fluid presence in different areas of the substrate is sensed by the effect of the fluid and its identity on the impedances of capacitors formed between sensor plates within the array. 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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | FLUID COVERAGE SENSING SYSTEM AND METHOD |
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