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Authors: Gerhard-Multhaupt, Reimund
Eberle, Gernot
Xia, Zhongfou
Yang, Guomao
Eisenmenger, Wolfgang
Title: Electric-field profiles in corona- or electron-beam-charged and thermally treated Teflon PTFE, FEP, and PFA films
Issue Date: 1992 Konferenzbeitrag 1992 annual report / Conference on Electrical Insulation and Dielectric Phenomena : October 18 - October 21, 1992. New York, NY : IEEE, 1992. - ISBN 0-7803-0565-5, S. 61-66
Abstract: Charge spreading in three different types of Teflon electrets was studied by means of piezoelectrically generated pressure steps, FEP and PFA samples corona-charged at room temperature usually exhibited only a surface charge layer. Uniform charge spreading throughout the bulk was found in FEP charged at or heated to high temperatures. Charge spreading was much less prominent in PFA because of a smaller retrapping efficiency. In PTFE (polytetrafluorethylene), charges from the surface and the rear electrode were injected into the bulk during charging at any temperature. Electron-beam-deposited charge layers broadened significantly upon heating.
Appears in Collections:08 Fakultät Mathematik und Physik

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