An Oxide over Titanium metal resistance bolometer technology developed by NMRC (Ireland) has been transferred to the X-FAB UK CMOS foundry at Plymouth, UK. Prototypes of the bolometers have been manufactured in the X-FAB production facility and tests show performance comparable with the NMRC prototypes. The bolometer design has been integrated with a CMOS read-out chip and the first wafers are currently being packaged for evaluation. The development of a low cost thermal imaging camera using the detector is under way. We present an overview of the detector and camera design, together with preliminary results from the detector test programme. The work is partly funded by the European Union IST programme.
A low cost two dimensional pyroelectric array technology has been developed, together with advanced signal processing algorithms. This enables the availability of intelligent passive infrared detector systems for surveillance, counting, and related applications. The technology has also made possible for the first time a truly affordable low‐resolution thermal imager for condition monitoring, plant maintenance, and process control.
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