Method and apparatus for phase and amplitude detection
Patent
·
OSTI ID:672544
A new class of techniques has been developed which allow inexpensive application of SAW-type chemical sensor devices while retaining high sensitivity (ppm) to chemical detection. The new techniques do not require that the sensor be part of an oscillatory circuit, allowing large concentrations of, e.g., chemical vapors in air, to be accurately measured without compromising the capacity to measure trace concentrations. Such devices have numerous potential applications in environmental monitoring, from manufacturing environments to environmental restoration. 12 figs.
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- Assignee:
- Sandia Corp., Albuquerque, NM (United States)
- Patent Number(s):
- US 5,763,283/A/
- Application Number:
- PAN: 8-322,119
- OSTI ID:
- 672544
- Country of Publication:
- United States
- Language:
- English
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