| Presentation | 2001/8/28 Experimental Investigation on Antenna Radiation Pattern Improvement of Cellular Phones with A Ultra-Thin Soft Magnetic Metal Film Yasuo HASHIMOTO, Tutomu CHOU, Yasusi IIJIMA, Masanori KAYA, Katuhiko WAKAYAMA, Masahiro KARATU, Osamu HASHIMOTO, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This paper reports on application of the ultra-thin soft magnetic metal film positioned near an antenna to improved radiation pattern of cellular phones experimentally. By using the magnetic metal film, it is found that the radiation characteristics at the needed direction is improved extremely and the radiation energy at the opposite direction(human head side)decreases. The magnetic metal sheet through four insulating films piled up five ultra-thin magnetic films of 0.5μm in thick causes about 2dB(66%radiation efficiency)improvement of radiation characteristics and about 10dB reduction at the opposite side with human model. That effectiveness is appeared clearly in the cellular phones closed by human model. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Antenna / Phantom model / Soft magnetic metal film / Antenna radiation pattern / SAR |
| Paper # | EMCJ2001-48 |
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| Conference Information | |
| Committee | EMCJ |
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| Conference Date | 2001/8/28(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
| Secretary | |
| Assistant | |
| Paper Information | |
| Registration To | Electromagnetic Compatibility (EMCJ) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Investigation on Antenna Radiation Pattern Improvement of Cellular Phones with A Ultra-Thin Soft Magnetic Metal Film |
| Sub Title (in English) | |
| Keyword(1) | Antenna |
| Keyword(2) | Phantom model |
| Keyword(3) | Soft magnetic metal film |
| Keyword(4) | Antenna radiation pattern |
| Keyword(5) | SAR |
| 1st Author's Name | Yasuo HASHIMOTO |
| 1st Author's Affiliation | Telecommunication Technical Development Center, TDK Corporation() |
| 2nd Author's Name | Tutomu CHOU |
| 2nd Author's Affiliation | Material R&D Laboratory, TDK Corporation |
| 3rd Author's Name | Yasusi IIJIMA |
| 3rd Author's Affiliation | Material R&D Laboratory, TDK Corporation |
| 4th Author's Name | Masanori KAYA |
| 4th Author's Affiliation | Material R&D Laboratory, TDK Corporation |
| 5th Author's Name | Katuhiko WAKAYAMA |
| 5th Author's Affiliation | Material R&D Laboratory, TDK Corporation |
| 6th Author's Name | Masahiro KARATU |
| 6th Author's Affiliation | Material R&D Laboratory, TDK Corporation |
| 7th Author's Name | Osamu HASHIMOTO |
| 7th Author's Affiliation | Aoyama Gakuinn University |
| Date | 2001/8/28 |
| Paper # | EMCJ2001-48 |
| Volume (vol) | vol.101 |
| Number (no) | 274 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |