Research Article
Bandwidth Behavior of Closely Spaced Aperture-Coupled Reflectarrays
Table 4
Element stratification.
| Layer | Material | Thickness |
| Covering dielectric | Diclad 870 ( = 2.33) | 0.762 mm | Patch | Copper | 35 μm | d1 | Foam ( = 1.07) | 1 mm | Ground plane with slot | Copper | 35 μm | d2 | Diclad 870 ( = 2.33) | 0.762 mm | Phasing line | Copper | 35 μm | d3 | Air | 3.7 mm | Ground plane reducing back radiation | Copper | — |
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