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Preparation of Sheet with CNT for EMI Shielding and Its EMI Shielding Property  

Chae, Seong-Jeong (Department of Materials Engineering, Keimyung University)
Cho, Bum-Rae (Department of Materials Engineering, Keimyung University)
Hong, Byung-Pyo (Department of Chemical System Engineering, Keimyung University)
Lee, Byoung-Soo (Department of Mechanical and Automotive Engineering, Keimyung University)
Byun, Hong-Sik (Department of Chemical System Engineering, Keimyung University)
Publication Information
Applied Chemistry for Engineering / v.21, no.4, 2010 , pp. 430-434 More about this Journal
Abstract
The sheet for electromagenetic interference (EMI) shielding was prepared with slurry made by the mixture of binder, methyl ethyl ketone, cyclohexanone and metal powder. We tried to enhance the shielding efficiency by adding carbon nanotube (CNT), which has known as highly conducting material. Surface and component analyses were carried out with SEM and EDS, respectively. The electric characteristics and EMI shielding efficiencies were measured with 4-point probe measurement and EMI efficiency measurement equipment. The sheet with 2% CNT addition showed the lowest electrical resistance, $13.13{\Omega}}{\cdot}cm$. It also showed the highest EMI shielding efficiency of 63 dB.
Keywords
EMI shielding; metal powder sheet; CNT;
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Times Cited By KSCI : 1  (Citation Analysis)
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