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[Data] Piezo Film ● Various Physical Property Data ●

諸物性表紙.png

[Data] Piezo Film ● Various Physical Property Data ●

諸物性表紙.png
諸物性表紙.png

A document summarizing various physical property data of piezo films (PVDF polymer piezoelectric films) has been released!

Piezo films generate electric charge when stimulated mechanically or thermally; they are <polymer piezoelectric films>. What kind of material properties do they have? Please check the materials for detailed information. [Contents] - Piezoelectric constant - Pyroelectric coefficient - Relative permittivity - Elastic modulus - Specific heat capacity at constant volume

basic information

Piezo film is a polymer piezoelectric and pyroelectric film developed using KF polymer, a polyvinylidene fluoride resin, by Kureha Corporation. Its features are: 1. Being a polymer film, it is thin, lightweight, and flexible. ⇒ Available in four thicknesses: 28μm, 40μm, 80μm, and 110μm. 2. Compared to inorganic piezoelectric materials, it has a low relative permittivity (ε’=13), demonstrating a high piezoelectric g constant (g31= 0.22 Vm/N). ⇒ Suitable for sensor applications. 3. The acoustic impedance is close to that of water. ⇒ Suitable for hydrophones and ultrasonic probes. 4. It does not exhibit strong resonance, meaning it has a low Q value, resulting in a wide response frequency range. ⇒ Suitable for applications where signal waveform is important, such as acoustic sensors. For more detailed information, please download the related materials or contact us.

Price range

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Applications/Examples of results

Pressure sensor Accelerometer Strain sensor Instrument pickup Ultrasonic probe Speaker

catalog（7）

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[Data] Properties of PVDF Piezoelectric Film

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[Data] PVDF Piezo Sensor Electrical Characteristics Graph

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[Data] Example of PVDF Piezo Sensor Head Amplifier Circuit

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