Self-powered sensors for long-term monitoring
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United States of America Patent
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Jun 18, 2024
Grant Date -
Sep 9, 2021
app pub date -
May 20, 2021
filing date -
Feb 29, 2016
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Abstract
A sensor system for detecting events includes an array of memory devices and a read-out interface. Each memory device includes a floating-gate with a sensing interface, the sensing interface having an energy barrier configured to leak electrons at a predetermined electron leakage rate through Fowler-Nordheim (F-N) tunneling. An an input to the sensing interface is configured to alter a geometry of the energy barrier to change the electron leakage rate. The read-out interface is communicatively coupled to at least one memory device, and is configured to retrieve data stored on the at least one memory device for analysis.
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