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A dual delay line surface acoustic wave device designed for gas sensing applications is described. The viability of this design is demonstrated using data showing the response to NO2 with a sensitising layer of lead phthalocyanine.
Inspec keywords: surface acoustic wave delay lines; interdigital transducers; surface acoustic wave sensors; gas sensors
Other keywords:
Subjects: Measurement by acoustic techniques; Acoustic wave devices; Chemical sensors; Chemical variables measurement; Chemical sensors