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Background of Piezoelectric Sensors
2002Piezoelectricity is understood as a linear electromechanical interaction between the mechanical and the electrical state in crystals without a center of symmetry. The direct piezoelectric effect is present when a mechanical deformation of the piezoelectric material produces a proportional change in the electric polarization of that material, i.e ...
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Piezoelectric Sensor Terminology
2002The field of measuring — like all types of technical activities — calls for well and clearly defined terms. Only if specifications are given in an universally understandable way, leaving no ambiguities whatsoever about their meanings and implications can misunderstandings and misinterpretations be avoided.
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Piezoelectric Materials for Sensors
2002Out of the increasing number of piezoelectric materials only a rather restricted number have been proven suitable for transduction elements in piezoelectric sensors. Basically, natural and synthetic single crystals, piezoelectric ceramics, textures and thin films can be used.
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Amplifiers for Piezoelectric Sensors
2002The output of piezoelectric sensors is electric charge. The unit for electric charge in the SI (Systeme International) is the “Coulomb” (C), defined as 1 C= 1 A • s. The quantity of electric charge yielded by piezoelectric sensors is usually in the order of pC only, which is the reason why in practice the “pC” has become the commonly accepted working ...
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Improvement of the Relative Sensitivity for Obtaining a High Performance Piezoelectric Sensor
IEEE Instrumentation and Measurement Magazine, 2023Zine Ghemari, Salah Saad
exaly