TABLE I.
Transducer center frequency (MHz) | Transducer diameter (mm) | −6 dB beam diameter at focus (mm) | Focal length (mm) | Model (Panametrics) |
---|---|---|---|---|
2.25 | 6.4 | 1.81 | 16.8 a | V323 |
5 | 12.7 | 1.23 | 50.8 | V309 |
7.5 | 12.7 | 0.82 | 50.8 | V320 |
10 | 12.7 | 0.62 | 50.8 | V311 |
Near field distance for this planar transducer.