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    • 1. 发明专利
    • All-weather radio wave absorbing panel unit
    • 全天候无线电波吸收板单元
    • JP2005159247A
    • 2005-06-16
    • JP2003399358
    • 2003-11-28
    • Takao AsabaMasato Kikuchi崇雄 浅羽真人 菊池
    • ASABA TAKAOKIKUCHI MASATO
    • H05K9/00
    • PROBLEM TO BE SOLVED: To provide an easy-to-manufacture, light-weight, and easy-to-handle all-weather radio wave absorbing panel unit by dividing a frequency band ranging from low-frequency to high-frequency into several phases, selecting a carbon content and its shape for each phase and forming a radio wave absorber made of soft resinous foam that can exactly fit to a desired frequency band, dividing the radio wave absorbing case into two pieces of a bottom part and a cover part, fitting the cover part to the bottom part, and combining them into a unit through fitting to firmly secure air-tightness. SOLUTION: A radio wave absorber 30 is formed by dividing the surface shape of a radio wave entering side of a carbon containing soft resinous foam into two sorts - an uneven shape and an even shape, and the radio wave absorber 30 is housed in a case 1 that is composed of a bottom part 20 and a cover part 10 that use FRP (fiber-reinforced plastic) material with a dielectric constant of 3.0 or less. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过将从低频到高频的频带划分成一个易于制造,重量轻且易于处理的全天候无线电波吸收面板单元, 选择碳相及其各相的形状,形成由能够精确地配合到期望频带的软质树脂泡沫制成的无线电波吸收体,将无线电波吸收箱分成两片底部和盖 部分,将盖部分装配到底部,并通过配合将它们组合成一个单元,以牢固地确保气密性。 解决方案:通过将含碳软质树脂泡沫的进入侧的无线电波的表面形状分成两种不平坦的形状和均匀的形状形成无线电波吸收体30,并且收纳无线电波吸收体30 在由使用介电常数为3.0以下的FRP(纤维增强塑料)材料的底部20和盖部10构成的情况1中。 版权所有(C)2005,JPO&NCIPI