piezoelectric detector

piezoelectric detector

[pē¦ā·zō·ə′lek·trik di′tek·tər]
(engineering)
A seismic detector constructed from a stack of piezoelectric crystals with an inertial mass mounted on top and intervening metal foil to collect the charges produced on the crystal faces when the crystals are strained.
References in periodicals archive ?
These large-area thermal sensors should generate far fewer image artefacts than conventional piezoelectric detectors, which are sensitive to the phase of the arriving ultrasound waves.