Research Article
Embedded Spiral Microstrip Implantable Antenna
Table 2
Calculated efficiency.
| Superstrate | Substrate | Eff. in air (%) at far field | Eff. in muscle (%) at 1 m from the center of antenna |
| RT6010 | RT6010 | 96.82 | 16.1 | Macor | RT6010 | 82.47 | 4.47 | Teflon | RT6010 | 90.76 | 6.36 | RT6010 | Macor | 86.38 | 9.74 | RT6010 | Teflon | 92.089 | 9.62 |
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