
PVDF film PIEZO sensors used for Acoustic, Acoustic PIEZO film and sensors
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Contact NowPlace of Origin: | China (Mainland) |
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Accelerometer/Vibration Sensors | Washing machine load balance, pacemaker, pedometer, motion and vibration sensors, medical vital signs and cardiac monitors, motional feedback for speakers |
Acoustic | Musical instrument pickup, electronic stethoscope, coin validation, bone conduction microphone, perimeter security cable, acoustic speakers |
Anti-tamper panel | Security - electronic chip protection |
Hydrophone | Sonar |
Hypersonic speaker | Ultrasonic directional speakers |
Load/impact | Stamping machine load cells, passenger safety systems, target impact |
Traffic Sensor | Traffic counters, speed, toll and red light enforcement |
Flexible switch | Water meter cam counter, CMOS wake-up switch, door operation detection |
Piezo Cable | Buried or fence-mounted sensor for perimeter security |
Ultrasonic digitizer | Electronic pen input |
Ultrasonic transducer | Fluid level sensing, process flow meter, medical imaging, subsea acoustic camera, non-destructive testing |
Specification Detailed sizes
30um | 160x140mm |
50um | 160x140mm |
50um | 200x140mm |
100um | 200x140mm |
200um | 200x140mm |
500um | 250x130mm |
500um | 260x130mm |

Item | Indicators |
Piezoelectric constant d 33 | 18-32 PC/N |
Of dielectric constant ε / ε 0 | 9-13 (IKHZ) |
Velocity C | 2000 m / s |
Electromechanical coupling coefficient k 33 | 10-14 % - |
Volume resistivity p | - 10 13 Ω.cm |
Pyroelectric coefficient p | 40 c/cm 2 .k |
Detection sensitivity (4HZ) | 10 11 m.HZ 1/2 /W |
Temperature T | -40 80°C 80 °C |
Type | Properties | Applications |
Audio transducer | Using PVDF piezoelectric film of the lateral piezoelectric | Microphone, muffler noise microphone, telephone microphone, bimorph transducers, headphones, speakers, accelerometers, and medical sensors |
Electrical transducers and devices | Using PVDF piezoelectric film of the lateral piezoelectric | Phonograph pickup, non-contact switch, telephone set, a typewriter and computer keyboard, blood pressure monitors, optical shutters, optical switch, zoom lens, and tactile sensors, displays, displacement sensor |
Ultrasonic and underwater transducers | PVDF membrane using the longitudinal piezoelectric piezoelectricity at room temperature, 500MHz frequency within the useful signal can be generated | Send and receive ultrasound, and non-destructive testing transducers, imaging arrays, hydrophones, and delay lines, optical modulator, variable focus transducer, ultrasonic microscope, ultrasonic diagnostic apparatus |
Infrared and optical devices | Using PVDF piezoelectric film pyroelectricity | Infrared detectors, camera, infrared visible light converter, a photocopying machine, reverse detector, excitation optical power meter, fire detectors, burglar alarm |
Package : Plastic bag &carton . Customized is acceptable



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