Piezoelectric PVDF-TrFE Film Ultrasound Transducer 25 mm x 25 mm with gold electrode

Poled PVDF-TrFE Copolymer piezoelectric film with 100 nm thick gold electrode fully covered both surfaces.

Composition: VDF/TrFE (VF3) = 80/20 mol, 75/25 mol, 70/30 mol [Other compositions can be special produced, 65/35, 55/45, and 50/50)

Can be used for Ultrasound Fingerprint Sensor

Thickness: 3 um to 100 um, other thickness can be produced based on request. Size 25 mm x 25 mm

d33 >20 pC/N.

d31=d32 ~ 8 pC/N

Dielectric Constant: ~8.0-8.5

Coupling Factor: >0.30

Poisson's ratio: ~0.225

Density: 1.80 g/cc

Resonance Frequency: thickness related

Curie Transition (80/20 mol): >130 C

Operation: <120 C

Curie Transition (75/25 mol): >110 C

Operation: <100 C

Curie Transition (70/30 mol): >90 C

Operation: <80 C

For piezo sensors. ultrashound transducers.

With 100 nm gold electrode both surfaces.

Each order is for 25 mm x 25 mm size

Larger area of 210 mm x 250 mm can be produced at higher cost

For R&D, non-refundable

PVDF-TrFE piezo film with gold electrode (25 mm x 25 mm size), 3 um to 100 um