Surface Acoustic Wave Sensor Systems with passive, wireless communications for harsh environments including:

• Temperatures to 1000°C
• Corrosive gas environments
• Abrasive particulate-rich environments

measuring:

• Temperature
• Pressure
• Vibration
• Strain
• Corrosion

and featuring:

• Harsh-environment packaging and attachment for sensors/transmitters
• Maintenance-free, battery-free sensors/transmitters

Technologies:

• Material Preparation, Characterization and Optimization
  • Crystal orientation, cutting, grinding, polishing
  • High temperature metallization and film coatings
• Sensor Design, Fabrication and Packaging
  • Temperature, pressure, vibration, strain, corrosion
  • Photo-lithography and direct write capabilities
  • Wireless interrogation systems
  • Harsh environment packaging
• Wireless Single- and Multi-Sensor Harsh-Environment Tests including
  • On-wafer tests with temperature-controlled probe stations
  • Laboratory furnaces with controlled pressure
  • JetCat engines

Applications:

Features of Environetix Microwave Surface Acoustic Wave Sensor System Technology:

• Measures temperature, pressure, vibration, strain or corrosion
• Stable high-temperature metallization and coatings
• Operates from 10 MHz to several GHz
• Battery-free wireless operation
• Multi-tagging and simultaneous sensing (tag + sensing)
• Can be adhered to static and dynamic structures for health monitoring