Research and development of miniaturized electrets

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Voorthuyzen, J.A. and Olthuis, W. and Bergveld, P. and Sprenkels, A.J. (1989) Research and development of miniaturized electrets. IEEE Transactions on Electrical Insulation, 24 (2). pp. 255-266. ISSN 0018-9367

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Abstract:A description is given of the realization of small electrets, using techniques generally applied in the fabrication of integrated circuits and microsensors. Attention is paid to the different electret decay mechanisms and their relative contributions to the overall stability of miniaturized electrets. A process is described by which polymer electrets such as Teflon-FEP and PTFE (polytetrafluoroethylene) can be deposited and shaped in a predefined pattern on a silicon wafer. Results on the application of new materials, especially silicon dioxide (SiO2), for use in electret applications, are presented. It appears that after an appropriate treatment of the oxide surface, its charge-stability is at least equal to that of polymer electrets such as Teflon-FEP and PTFE
Item Type:Article
Copyright:©1989 IEEE
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/55746
Official URL:http://dx.doi.org/10.1109/14.90284
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