Automotive safety systems will contain many more MEMS chips (micro-electromechanical systems) in the coming years, and a considerable number could be embedded in fabrics. Nearly 100 million airbag, tyre pressure monitoring, and electronic stabilty safety systems with more than 300 million MEMS chips were sold worldwide during 2010. By 2016, about 150 million systems are expected to be installed in vehicles, but the number of MEMS they contain will have rocketed for over 830 million. Automotive safety systems are becoming more advanced and more complex. Each new system tends to contain more sensors than previous generations. MEMS generally fall into 3 main categories: accelerometers, pressure sensors, gyroscopes. One technical trend is to integrate several sensors, or types of sensor, on a single chip and a related trend is to make a single MEMS do double or triple duty in the service of several safety systems. MEMS processing capability for the production of flexible smart fabrics based on screen and inkjet printing, with new functional inks compatible with fabrics, is the goal of the EUR 7.7 million EU FP 7 MicroFlex project. The MicroFlex project is concentrating on fabricating miniature sensors and actuators based on MEMS which have mechanical and electrical functionality. The MicroFlex project involves 14 partners from 9 countries, including textile companies Klopman International, Bonfort, Paul Boye, and will announce its final results in October 2012. The printed MEMS process being developed consists of a piezoresistive layer, an interface layer, a sacrificial layer, a structural layer, the fabric and an electrode.
Steered by sense
MEMS-Chips in Fahrzeugsicherheitssystemen
Future Materials ; Nov ; 8-9
2011
2 Seiten, 3 Bilder
Aufsatz (Zeitschrift)
Englisch
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