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US 11,881,549 B2Granted
Physical vapor deposited electrode for electrochemical sensors
AssigneeEastman Chemical Company
InventorsDennis Lee Ashford, II, Daniel Patrick Puzzo, Spencer Erich Hochstetler
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Abstract
An electrochemical electrode and method for making same that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The electrode comprises a substrate, a conductive layer deposited on the substrate, and a resistive material layer deposited on the conductive layer. The conductive layer comprises nickel and chromium, and the resistive material layer comprises carbon and a carbon-nitrogen species.
Claims20
An electrochemical electrode for use in a biosensor, said electrode comprising:
- a substrate comprising a flexible, electrically-non-conductive polymer film;
- an electrically-conductive layer deposited on said substrate;
- and
- an electrically-resistive material layer deposited on said conductive layer;
- wherein said electrically-resistive material layer comprises amorphous carbon and at least one C—N species;
- and
- wherein said C—N species is present in an amount of at least 20 atomic percentage based on the total electrically-resistive material layer.
4 more elements
Dependencies are inferred from the claim text.