Fe-Si-Cr/PTFE Magnetic Composite Thick Films on Polyethylene Terephthalate Sheets for Near Field Communications by Aerosol Deposition
- Authors
- Kim, Hyung-Jun; Nam, Song-Min; Koh, Jung-Hyuk
- Issue Date
- Oct-2014
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Aerosol Deposition; Near Field Communication; Magnetic Shielding Sheet; Magnetic Polymer Composite Thick Film
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.14, no.10, pp 7915 - 7918
- Pages
- 4
- Journal Title
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
- Volume
- 14
- Number
- 10
- Start Page
- 7915
- End Page
- 7918
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/11732
- DOI
- 10.1166/jnn.2014.9417
- ISSN
- 1533-4880
1533-4899
- Abstract
- Thick film growth of Fe-Si-Cr/poly-tetra-fluoro-ethylene (PTFE) composite films on polyethylene terephthalate (PET) sheets was investigated by aerosol deposition (AD) as a magnetic absorber for near field communication. The Fe-Si-Cr flakes were crushed to micro flakes smaller than 1 mu m after the deposition, and formed dense microstructure on the PET sheets. The Fe-Si-Cr/PTFE composite thick films using 0.2 wt.% PTFE starting powder showed dense and uniform microstructure compared to the 0.5 wt.% film. The real relative permeability mu' and the imaginary permeability mu '' of Fe-Si-Cr/PTFE composite thick films using the 0.2 wt.% PTFE starting powder were 13.1 and 2.9 at 13.56 MHz, respectively. In the case of 0.5 wt.%, mu' and mu '' respectively decreased to 7.4 and 1.0 at 13.56 MHz caused by adding PTFE.
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