TABLE IV.
Coating Effect of the CMUTs for Imaging
| No coating | 150-μm coating | Coating effect | |
|---|---|---|---|
| Experiment | Experiment Modeling | ||
| fcenter | 8.9 MHz | 9.3 MHz | 5% | 
| 9.4 MHz | 6% | ||
|  | |||
| FBW | 81% | 64% | −21% | 
| 70% | −14% | ||
Coating Effect of the CMUTs for Imaging
| No coating | 150-μm coating | Coating effect | |
|---|---|---|---|
| Experiment | Experiment Modeling | ||
| fcenter | 8.9 MHz | 9.3 MHz | 5% | 
| 9.4 MHz | 6% | ||
|  | |||
| FBW | 81% | 64% | −21% | 
| 70% | −14% | ||