利用表面塗佈優化電磁波吸收體護幕之研究

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Title:	利用表面塗佈優化電磁波吸收體護幕之研究
Authors:	李貴琪郭佳憲游輝仁
Contributors:	紡工系
Keywords:	電磁波吸收體阻抗匹配衰減效率喬曼吸收體 electromagnetic wave absorbing impedance match attenuation effect Jaumann absorber
Date:	2004-06
Issue Date:	2010-05-25 09:55:58 (UTC+8)
Abstract:	本研究利用導電、導磁性之銅金屬與鐵金屬粉以及碳粉做為降低阻抗之材料，經由樹脂均勻混合後，以表面塗佈之方式將其塗料上於聚酯織物上，做為優化電磁波吸收體之表面護幕和間隔護幕，並且討論不同的塗佈材料，對於降低表面電阻值的成效，再利用表面電阻係數做為參數，完成優化電磁波吸收體護幕之目的，以達到吸收體產生阻抗匹配的效果，經由研究此之實驗方法，以提供喬曼吸收體設計之基本原理的驗證與實際成品測量結果之表現。由實驗得知，當吸收體護幕的阻抗值由高進入至低時可得到較高的衰減值，吸收體層數愈多，吸收效果隨之增加。 In this study, we use conductive and permeable metal powders and carbon powders were separately mixed with resin, and coating the different type conductive resin on the polyester woven fabrics for designing the electromagnetic wave absorbing screens. We employ the different quantity and type of powders, for example, copper powders, iron powders, carbon powders to control the surface resistance. According to the parameter; to improve absorbing screen by impedance match, and then analysis the performance of attenuation effect from different absorbing screens and the number of layers. The study supply the method of proof theory and measure the effects of absorbing products. From the experimental results, as electromagnetic wave incidence absorbing with the impedance of screen is from high to low the attenuation effect is increased. And the attenuation effect is increased with increasing the number of layers.
Relation:	華岡工程學報 18期 P.95-106
Appears in Collections:	[College of Engineering] Chinese Culture University Hwa Kang Journal of Engineering

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