Research Article
A Double Inverted F-Shape Patch Antenna for Dual-Band Operation
Table 1
Dielectric properties of substrate materials.
| | Material | Permittivity | Permeability | Loss tangent |
| | Aluminum | 1 | 1.000021 | 0 | | Teflon (tm) | 2.1 | 1 | 0.001 | | Duroid (tm) | 2.2 | 1 | 0.0009 | | Bakelite | 4.8 | 1 | 0.002 | | FR4 (proposed) | 4.6 | 1 | 0.02 |
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