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US 2007/0166832 A1Published application
Apparatus, methods, and systems having gas sensor with catalytic gate and variable bias
AssigneeGeneral Electric Company
InventorsVinayak Tilak, Kevin Matocha, Peter Sandvik
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Abstract
According to some embodiments, an electronics based physical gas sensor includes a semiconductor layer, and at least one contact is electrically coupled to the semiconductor layer. A catalytic gate, having a property that changes when the gate is exposed to an analyte, and a variable bias from a voltage source are also provided.
Claims8
1-28. (canceled)
A method, comprising:
- applying a variable bias to a sensor having a catalytic gate, wherein a property of the catalytic gate changes when the gate is exposed to an analyte;
- and
- measuring an electrical characteristic associated with the sensor to detect the analyte.
35-36. (canceled)
Dependencies are inferred from the claim text.