Browse > Article

Preparation of EMI Shielding Sheet by PVD Method and Its Characteristic of EMI Shielding Efficiency  

Chae, Seong-Jeong (Department of Material Engineering, Keimyung University)
Hong, Byung-Pyo (Department of Chemical System Engineering, Keimyung University)
Lee, Byoung-Soo (Department of Mechanical Engineering, Keimyung University)
Byun, Hong-Sik (Department of Chemical System Engineering, Keimyung University)
Publication Information
Applied Chemistry for Engineering / v.21, no.5, 2010 , pp. 527-531 More about this Journal
Abstract
The optimized sheet for EMI shielding was prepared by metal power with Fe series. Then various metal powders were deposited on the sheet by PVD method. Moreover, the PVdF nanofiber membrane was used to compare the characteristic of EMI shielding efficiency of various metal powders. The electrical property was measured by the 4-point probe method. The result from EDS confirmed that the metal powder existed on the sheet. EMI shielding efficiency was analysed by EMI shielding measurement apparatus. The lowest electrical resistance, $641.95{\Omega}{wcdot}cm$, was obtained with $1000\;{\AA}$ deposition of Cu on the sheet. It was revealed that the EMI shielding efficiency increased with increase of the metal deposition thickness. The sheet deposited by Cu with $1000\;{\AA}$ showed the highest EMI shielding efficiency, 32.5 dB.
Keywords
EMI shielding; PVD; metal powder; nanofiber;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
연도 인용수 순위
1 B. Bridge, J. Mat. Sci. Lett., 7, 633 (1988).   DOI   ScienceOn
2 B. Bridge, M. J. Folkes, and H. Jahankhani, J. Mat. Sci., 23, 1948 (1988).   DOI   ScienceOn
3 W. S. Chin and D. G. Lee, J. of the KSCM, 17, 68 (2004).   과학기술학회마을
4 H. C. Chen, K. C. Lee, and J. H. Lin, Composites Part A, 35, 1249 (2004).   DOI
5 K. B. Choi, E. M. Goh, and K. I. Ahn, J. Kor. Ins. Chem. Eng, 33, 521 (1995).
6 K. T. Chung, A. Sabo, and A. P. Pica, J. Appl. Phys., 53, 6867 (1982).   DOI
7 J. S. Kim and Y. T. Jeong, J. Kor. Sci. Precision. Eng., 24, 7 (2007).
8 S. H. Park, D. I. Kim, D. H. Choi, and S. Y. Kim, J. EM. Soc., 19, 1051 (2008).
9 K. Ishino and Y. Narumiya, Am. Ceram. Soc. Bull., 66, 1469 (1987).
10 S. S. Tzeng and F. Y. Chang, Mat. Sci. and Eng., 302, 258 (2001).   DOI   ScienceOn