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公开(公告)号:EP2782436A2
公开(公告)日:2014-09-24
申请号:EP14152426.4
申请日:2014-01-24
发明人: Hirose, Keita , Ono, Takashi
IPC分类号: H05K9/00
摘要: An object of the present invention is to provide a radio wave absorber at low cost that has an excellent radio wave absorption property for absorbing microwaves and millimeter waves and hardly deteriorates the radio wave absorption property even after exposure to high-power radio waves. Specifically, the radio wave absorber according to the present invention for absorbing the microwaves and the millimeter waves is characterized in having a base material made of a porous compact containing composite oxide of calcium and aluminum; and a conductive material added to the base material.
摘要翻译: 本发明的目的是提供一种低成本的电波吸收体,其具有优异的吸收微波和毫米波的无线电波吸收特性,并且即使在暴露于高功率无线电波之后几乎也不会使电波吸收特性劣化。 具体地说,本发明的用于吸收微波和毫米波的无线电波吸收体的特征在于具有由含有钙和铝的复合氧化物的多孔质体制成的基材; 以及添加到基材的导电材料。
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公开(公告)号:EP2685802A3
公开(公告)日:2015-06-03
申请号:EP13175682.7
申请日:2013-07-09
发明人: Hirose, Keita
CPC分类号: H01Q17/008 , H01Q17/002 , H05K9/0052
摘要: An electromagnetic wave absorber includes a rectangular plate-shaped part having a surface including a flat space at a center of the plate-shaped part and a plurality of oblong rectangular spaces, surrounding the flat space, on each of which at least one pyramidal or wedge-shaped part having an oblong rectangular bottom face is provided, and the plurality of oblong rectangular spaces of the surface of the plate-shaped part are arranged along inside a perimeter of the plate-shaped part so that a longer side of any one of the plurality of oblong rectangular spaces is adjoining with a shorter side of another of the plurality of oblong rectangular spaces adjacent thereto while leaving the flat space at the center of the plate-shaped part.
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公开(公告)号:EP2685801A2
公开(公告)日:2014-01-15
申请号:EP13175669.4
申请日:2013-07-09
发明人: Hirose, Keita , Ono, Takashi
IPC分类号: H05K9/00
CPC分类号: H01Q17/00 , H05K9/0052
摘要: An electromagnetic wave absorber contains cement and carbon nanotubes and has an absolute value of a complex relative permittivity in a range of from 2.0 to 10.0 in a frequency range of from 1 to 110 GHz and a minimum value of a dissipation factor of 0.35 or greater in the frequency range of from 1 to 110 GHz.
摘要翻译: 电磁波吸收器包含水泥和碳纳米管,并且在1至110GHz的频率范围内具有在2.0至10.0范围内的复相对介电常数的绝对值,以及在1至110GHz的范围内的耗散因数的最小值为0.35或更大的绝对值 频率范围为1至110 GHz。
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公开(公告)号:EP2685801A3
公开(公告)日:2017-11-29
申请号:EP13175669.4
申请日:2013-07-09
发明人: Hirose, Keita , Ono, Takashi
IPC分类号: H05K9/00
CPC分类号: H01Q17/00 , H05K9/0052
摘要: An electromagnetic wave absorber contains cement and carbon nanotubes and has an absolute value of a complex relative permittivity in a range of from 2.0 to 10.0 in a frequency range of from 1 to 110 GHz and a minimum value of a dissipation factor of 0.35 or greater in the frequency range of from 1 to 110 GHz.
摘要翻译: 电磁波吸收体含有水泥和碳纳米管,并且在1至110GHz的频率范围内具有在2.0至10.0的范围内的复数相对介电常数的绝对值,并且在1GHz至110GHz的频率范围内具有0.35或更大的耗散因子的最小值 频率范围从1到110 GHz。
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公开(公告)号:EP2685802A2
公开(公告)日:2014-01-15
申请号:EP13175682.7
申请日:2013-07-09
发明人: Hirose, Keita
IPC分类号: H05K9/00
CPC分类号: H01Q17/008 , H01Q17/002 , H05K9/0052
摘要: An electromagnetic wave absorber includes a rectangular plate-shaped part having a surface including a flat space at a center of the plate-shaped part and a plurality of oblong rectangular spaces, surrounding the flat space, on each of which at least one pyramidal or wedge-shaped part having an oblong rectangular bottom face is provided, and the plurality of oblong rectangular spaces of the surface of the plate-shaped part are arranged along inside a perimeter of the plate-shaped part so that a longer side of any one of the plurality of oblong rectangular spaces is adjoining with a shorter side of another of the plurality of oblong rectangular spaces adjacent thereto while leaving the flat space at the center of the plate-shaped part.
摘要翻译: 电磁波吸收体包括矩形板状部分,该矩形板状部分具有在该板状部分的中心处具有平坦空间的表面和围绕该平坦空间的多个长方形的矩形空间,其中至少一个金字塔形或楔形 提供具有长方形矩形底面的形状部分,并且板状部分的表面的多个长方形的矩形空间沿着板状部分的周边布置,使得任何一个 多个长方形的矩形空间与多个与其相邻的多个长方形的矩形空间中的另一个的短边相邻,同时将平坦的空间留在板状部分的中心。
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