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Piezoelectric film (PVDF) ultrasound transducers offer unique advantages for air ranging applications. Cylindrical 80kHz PVDF transducers exhibit omni-directional horizontal beam directivity and broadband characteristics. These characteristics lend unique solutions in many applications such as two-dimensional positioning, digitizer, object detection, and distance measurement. Depending on the applications, resonance frequency and vertical beam directivity can easily be customized by changing the diameter and length of the PVDF cylinder. PVDF ultrasound transducers also have very low resonance “Q” values. This means that the signal rise and decay times are much shorter than conventional ceramic ultrasound transducers. This characteristic is ideal for positioning applications.

Features:
• Omni-directional horizontal beam directivity
• Broadband characteristics
• Resonance frequency can easily be customized
• Vertical beam directivity can easily be customized
• Very low resonance “Q” values