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Author:
?owkis, B   Kupracz, J  


Journal:
IOP Conference Series: Materials Science and Engineering


Issue Date:
2016


Abstract(summary):

The aim of this investigation was to develop a method of fabrication of electrets made from PTFE foil of a 0.5 mm thickness, from Ensinger GmbH. Parameters allowing assessment of the electrets in terms of technical applications are: charge lifetime τ and equivalent voltage Uz . Measurements of electrets equivalent voltage Uz has been carried out using compensation method. Assessment of lifetime required employing a method utilizing thermal stimulation of charge relaxation process. In the investigation, a continuous measurement of equivalent voltage in the condition of linear increase in temperature - TSUz was realized. It was stated that electret properties of a foil depend on the preparation conditions of the material and the forming temperature. The employed method of lifetime measurement enables verification of the applied procedure.


Page:
012004


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