PH sensor
For sensing pH of a fluid, a heating apparatus of a semiconductor die controls a temperature of the fluid to a first temperature. A first voltage of a gate of a floating gate transistor of the semiconductor die is measured while the temperature of the fluid is at the first temperature. Also, the hea...
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| Main Authors | , , , |
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| Format | Patent |
| Language | English |
| Published |
31.01.2023
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| Subjects | |
| Online Access | Get full text |
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| Abstract | For sensing pH of a fluid, a heating apparatus of a semiconductor die controls a temperature of the fluid to a first temperature. A first voltage of a gate of a floating gate transistor of the semiconductor die is measured while the temperature of the fluid is at the first temperature. Also, the heating apparatus controls the temperature of the fluid to a second temperature that is different than the first temperature. A second voltage of the gate is measured while the temperature of the fluid is at the second temperature. The pH of the fluid is determined based on the first and second voltages, the first temperature and the second temperature. |
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| AbstractList | For sensing pH of a fluid, a heating apparatus of a semiconductor die controls a temperature of the fluid to a first temperature. A first voltage of a gate of a floating gate transistor of the semiconductor die is measured while the temperature of the fluid is at the first temperature. Also, the heating apparatus controls the temperature of the fluid to a second temperature that is different than the first temperature. A second voltage of the gate is measured while the temperature of the fluid is at the second temperature. The pH of the fluid is determined based on the first and second voltages, the first temperature and the second temperature. |
| Author | Summerfelt, Scott Robert Hefele, Markus Muellner, Ernst Georg Meier, Sebastian |
| Author_xml | – fullname: Muellner, Ernst Georg – fullname: Summerfelt, Scott Robert – fullname: Meier, Sebastian – fullname: Hefele, Markus |
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| Notes | Application Number: US202017105142 |
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| RelatedCompanies | Texas Instruments Incorporated |
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| Snippet | For sensing pH of a fluid, a heating apparatus of a semiconductor die controls a temperature of the fluid to a first temperature. A first voltage of a gate of... |
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| SubjectTerms | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| Title | PH sensor |
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