Abstract
A paste has been developed for electromagnetic interference shielding by mixing stainless steel fibers (8-μm diameter) and graphite flakes (5 μm) in a water-based graphite colloid (containing submicron graphite flakes and a binder) in a volume ratio 0.5:20:100. The resulting coating of thickness 0.1-0.2 mm after drying exhibits shielding effectiveness of 34 dB at 1 GHz, primarily due to reflection. The paste is superior to those containing graphite flakes or carbon filaments (0.1-μm diameter), due to the higher shielding effectiveness of the steel fibers. The graphite flakes in the paste serves to help suspend the steel fibers, in addition to contributing to shielding.
| Original language | English |
|---|---|
| Pages (from-to) | 1255-1258 |
| Number of pages | 4 |
| Journal | Journal of Electronic Materials |
| Volume | 34 |
| Issue number | 9 |
| DOIs | |
| State | Published - Sep 2005 |
Keywords
- Carbon
- Electromagnetic
- Electromagnetic interference (EMI)
- Graphite
- Shielding
- Steel
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