Lodewyk Steyn

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With the continued proliferation of display intensive applications for portable electronics devices, the need for lower power, higher image quality video displays has never been greater. Pixtronix is uniquely able to meet these requirements through its MEMS (micro-electo-mechanical system) display technology, which enables the development of direct view(More)
A thin film lead zirconate titanate, Pb(Zr,Ti)O3 (PZT), MEMS-based cantilever device is developed. It uses the d33 piezoelectric mode and is fabricated with only three mask steps. The 170μm long piezoelectric cantilever device, called the Piezoelectric Micro Power Generator (PMPG), was designed to harvest ambient vibrational energy. It has a mechanical(More)
The response of Mycobacterium smegmatis to a cold shock was investigated by monitoring changes in both growth and cellular protein composition of the organism. The nature of the cellular response was influenced by the magnitude of the temperature reduction, with the shock from 37 degrees C to 10 degrees C having the most widespread effect on growth,(More)
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