Lets talk about crystal microphones
- Thread starter myparents
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up-fiddler
Taming the World--for now
punkin
Univalve & Avatar Speaks
Crystal tweakers! Cool little devices.
Piezoelectricity
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Piezoelectricity is the ability of certain crystals to generate a voltage in response to applied mechanical stress. The word is derived from the Greek piezein, which means to squeeze or press. The piezoelectric effect is reversible in that piezoelectric crystals, when subjected to an externally applied voltage, can change shape by a small amount. The deformation, about 0.1% of the original dimension in PZT, is of the order of nanometers, but nevertheless finds useful applications such as the production and detection of sound, generation of high voltages, electronic frequency generation, microbalance, and ultrafine focusing of optical assemblies.
Piezoelectricity
From Wikipedia, the free encyclopedia
Jump to: navigation, search
Piezoelectricity is the ability of certain crystals to generate a voltage in response to applied mechanical stress. The word is derived from the Greek piezein, which means to squeeze or press. The piezoelectric effect is reversible in that piezoelectric crystals, when subjected to an externally applied voltage, can change shape by a small amount. The deformation, about 0.1% of the original dimension in PZT, is of the order of nanometers, but nevertheless finds useful applications such as the production and detection of sound, generation of high voltages, electronic frequency generation, microbalance, and ultrafine focusing of optical assemblies.
