Piezoelectric effect

principle · 1880 · Electric age

A crystal under pressure produces a voltage and vice versa (the Curie brothers).

Authors: Пьер Кюри, Jacques Curie.

Where it is used

• Quartz clock — is used in. The quartz resonator vibrates thanks to the piezoelectric effect.
• Microphone — is used in. Piezo microphones turn sound pressure into voltage.
• Inkjet printer — is used in. Piezo heads eject droplets.
• Sonar — is used in. Langevin’s transducer is piezoelectric quartz.
• Lighter — is used in. Piezo lighters.
• Ultrasound scanner — is used in. A piezo transducer.
• Hydrophone — is used in. A piezo element.

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