Single-input multiple output nanomaterial based gas sensor
AssigneeUniversities Space Research Association
InventorsJin-Woo Han, Dong-II Moon, Meyya Meyyappan
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Abstract
A single input multiple output nanomaterial based gas sensor having multiple terminals situated on a single sensor device, providing a N(N−1)/2 measurements for a single device. Resistance is measured from any arbitrary pair of electrodes; repeating the measurements for all combinations of electrode pairs creates the data set. The gas sensor response is the ratio of resistance shift over the initial resistance (Rt−Ro)/Ro, where Rt and Ro are resistance upon gas exposure and initial resistance, respectively. The sensor response time is the time needed to reach a stable output signal when an external stimulus is introduced.
Claims14
A variation-aware and variation-tolerant nano-material-based gas sensor comprising a sensing nanomaterial, and a plurality of electrodes in electrical contact with said nanomaterial.
A method for sensing gas concentrations in an environment comprising, exposing a variation-aware and variation-tolerant nano-material-based gas sensor to said environment, said gas sensor comprising a sensing nanomaterial, and a plurality of electrodes in electrical contact with said nanomaterial, using a computer processor to receive and save on a computer readable media an individual output signal from each of said electrodes;
- using a computer processor to automatically apply a statistical analysis to said individual output signals, generate a single composite output signal, and save said single composite output signal on said computer readable media.
Dependencies are inferred from the claim text.