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MET Technology is powering a number of inertial sensing devices:

Angular sensing devices:

  • Angular accelerometers- small devices (9mm in diameter) that measure angular acceleration from DC. By integrating the output one can use these accelerometers to calculate an angular rate.
  • Rate sensors – These devices are based on much the same principals as the angular accelerometers, but “integrate” the acceleration internally in the sensing element, not in electronics.

Linear sensing devices:

 

Because of very low self-noise, the performance (in terms of the sensors’ precision as measured by cumulative error) for pretty much any of our devices will be better than that of even the highest performance MEMS sensors.  

All of the above devices may be requested for testing. The lead time is about 4 weeks.

All of the devices at this point are manufactured in our lab by mechanically assembling the sensing element and placing it inside the ceramic housing. The sensor is then filled with electrolyte, equipped with an electronic board and calibrated.

The Company is in the process of developing new high-volume manufacturing processes for the sensing element, and we should receive our first samples in June. These new manufacturing techniques will also improve the sensors’ performance.

Pipeline:   

Gyroscope.

It will detect DC and is projected to have good performance characteristics compared to state-of-the-art small gyros (see below). The work is in the prototype stage.

   
Rate Sensors (Coriolis Effect)
Critical Parameters of High-Performance MET Gyroscope Phase I Phase II
Macro Scale Macro Scale, High accuracy
Bias Drift Stability,  < 0.01 deg/hr < 0.005 deg/hr
Scale Factor stability < 600 ppm < 200 ppm
Angular Random Walk (ARW) < 0.0005 deg/ (hr)1/2 < 0.0005 deg/ (hr)1/2
Full scale range  >  50 0/s >  100 0/s
Bandwidth DC-10Hz DC-150Hz
Power Consumption 60mW 15mW
Operating temperature range "-55 ºC to +75 ºC " "-55 ºC to  +85 ºC "
Overall size not including the power source, but including control electronics 40x40x30 mm 20x20x15 mm
Availability Q2 08 Q2 09
 
MET Seismometers.  
   

For more information and availability of samples please contact:

Jacob Bindler at bindler@mettechnology.com

 
 
     
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