High Frequency Dielectric Mapping Using Un-Contact Probe for Dielectric Materials |
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| Journal | Key Engineering Materials (Volume 320) |
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| Volume | Electroceramics in Japan IX |
| Edited by | Keiichi Katayama, Kazumi Kato, Tadashi Takenaka, Masasuke Takata and Kazuo Shinozaki |
| Pages | 189-192 |
| DOI | 10.4028/www.scientific.net/KEM.320.189 |
| Citation | Hirofumi Kakemoto et al., 2006, Key Engineering Materials, 320, 189 |
| Online since | September, 2006 |
| Authors | Hirofumi Kakemoto, Song Min Nam, Satoshi Wada, Takaaki Tsurumi |
| Keywords | Dielectric Materials, Dielectric Permittivity Mapping, High Frequency, Un-Contact Probe |
| Abstract | The microwave reflection intensity was measured at room temperature for Cu-plate, Al2O3 and SrTiO3 single crystals using a un-contact probe as a function of distance between sample and probe. The difference of reflection intensity for Cu-plate, Al2O3 and SrTiO3 single crystals was observed in the region where the distance of 0.2mm between sample and probe, and it was caused from dielectric permittivities of samples. The reflection coefficient of sample was estimated in comparison with results of electromagnetic simulation using finite differential time domain method. The reflection intensity for Cu-plate, Al2O3 and SrTiO3 single crystals was transformed to dielectric permittivity at reflection intensity minimum point. The dielectric permittivity mapping was also examined at reflection intensity minimum point. |
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