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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Lisowski, M. Skopec, A. |
| Copyright Year | 1994 |
| Abstract | Effective area of guarded electrode is always larger than its geometrical area as a result of fringing effect. In most standards concerning permittivity and volume resistivity measurements, an increase in the effective fringing is assumed as a half of the width of the gap between the guarded electrode and the guard electrode (then the factor B = 1). In some standards, the increase calculated from Amey relation, is assumed to be smaller (B < 1). The Amey relation is exact only for sample permittivity epsivrarrinfin . It is correct to apply the relation to calculate the volume resistivity, but it is incorrect to use it to calculate the permittivity of a sample. In this paper, a proper relation for the factor B has been derived analytically for thin electrodes made usually by thin film technology. The factor B can be used to calculate the permittivity of samples with arbitrary value of epsiv. Appropriate changes into the standard IEC 60250 and into other standards concerning permittivity measurements are proposed. |
| Sponsorship | National Natural Science Foundation of China (NSFC) Region Centre Ville de Tours Conseil General D'Indre et Loire ABB IEEE Sandia National Laboratories TOSHIBA |
| Starting Page | 24 |
| Ending Page | 31 |
| Page Count | 8 |
| File Size | 282326 |
| File Format | |
| ISSN | 10709878 |
| Volume Number | 16 |
| Issue Number | 1 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-02-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Electrodes IEC standards Measurement standards Permittivity measurement Dielectric measurements Electrical resistance measurement Conductivity measurement Volume measurement Dielectric thin films Rubber Dielectric materials, permittivity, resistivity, measurement, electrodes, standardization. |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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