Patent application number | Description | Published |
20090175021 | Electromagnetic-wave suppressing material, electromagnetic-wave suppressing device, and electronic apparatus - An electromagnetic-wave suppressing material is provided. The electromagnetic-wave suppressing material includes an ionic liquid and nanometer-order particles mixed with the ionic liquid, where 10 wt % or more of the nanometer-order particles is mixed with respect to 100 wt % of the ionic liquid. | 07-09-2009 |
20100139971 | ELECTROMAGNETIC WAVE SUPPRESSION SHEET, DEVICE, AND ELECTRONIC APPARATUS - Disclosed is an electromagnetic wave suppression sheet obtained by mixing metallic magnetic particles into a resin and formed into a sheet shape. In the electromagnetic wave suppression sheet, a coercive force is 320 [A/m] or more and a saturation magnetization is 0.35 [Wb/m | 06-10-2010 |
20100200796 | COMPOSITION FOR ELECTROMAGNETIC WAVE SUPPRESSION AND HEAT RADIATION AND METHOD FOR MANUFACTURING COMPOSITION FOR ELECTROMAGNETIC WAVE SUPPRESSION AND HEAT RADIATION - A composition for electromagnetic wave suppression and heat radiation includes: a matrix composed of a high molecular material or a low molecular material; and a magnetic particle filled in the matrix upon mixing a magnetic powder having a relation of {(tap density)/density}≧0.58 with the matrix. | 08-12-2010 |
20110006864 | HIGH FREQUENCY COUPLER AND COMMUNICATION DEVICE - A high frequency coupler includes a ground, a first coupling electrode connected via a first resonator unit to an input and output terminal of a communication circuit, and one or more second coupling electrodes connected via a second resonator unit designed utilizing a ground to a ground terminal of the communication circuit. | 01-13-2011 |
20110234014 | Antenna module and electronic apparatus - Provided is an antenna module including: an antenna coil having a first pattern width; a magnetic sheet, which includes a first surface on which the antenna coil is to be arranged, and has a first distance being a distance on the first surface between an edge of the first surface and the antenna coil, the first distance being twice or more as large as the first pattern width; and a conductor, which includes a second surface on which the magnetic sheet is to be arranged while a surface opposite to the first surface of the magnetic sheet faces the second surface, and has a second distance being a distance on the second surface between an edge of the second surface and the antenna coil, the second distance being equal to or larger than the first distance. | 09-29-2011 |
20120062435 | MAGNETIC SHEET, ANTENNA MODULE, ELECTRONIC APPARATUS, AND MAGNETIC SHEET MANUFACTURING METHOD - A magnetic sheet for use with an antenna module is provided. The magnetic sheet may have a magnetically permeable layer having a plurality of randomly shaped pieces such that the magnetic sheet is configured to affect a resonance frequency of the antenna module. At least one of the randomly shaped pieces of the magnetic sheet does not have a rectangular or triangular shape. | 03-15-2012 |
20130014984 | ELECTROMAGNETIC WAVE ABSORBER, METHOD OF PRODUCING THE SAME, FLEXIBLE PRINTED WIRING BOARD AND ELECTRONIC DEVICEAANM Iida; HironoriAACI KanagawaAACO JPAAGP Iida; Hironori Kanagawa JPAANM Yamanoi; ShunAACI KanagawaAACO JPAAGP Yamanoi; Shun Kanagawa JPAANM Minatoya; MachikoAACI TokyoAACO JPAAGP Minatoya; Machiko Tokyo JPAANM Tabata; SeiichiroAACI KanagawaAACO JPAAGP Tabata; Seiichiro Kanagawa JPAANM Yamada; ShinichiroAACI KanagawaAACO JPAAGP Yamada; Shinichiro Kanagawa JPAANM Kanno; MasayoshiAACI KanagawaAACO JPAAGP Kanno; Masayoshi Kanagawa JPAANM Mitsugi; MasakazuAACI KanagawaAACO JPAAGP Mitsugi; Masakazu Kanagawa JPAANM Kato; YoshihiroAACI KanagawaAACO JPAAGP Kato; Yoshihiro Kanagawa JP - Provided is an electromagnetic wave absorber, including a base material and a porous carbon material containing, as a raw material, a plant-based material having a silicon content of 5% by mass or more, in which the porous carbon material has a specific surface area value as measured by the nitrogen BET method of 400 m | 01-17-2013 |