Segmenting conductive layers on a shared substrate enables multifrequency operation without increasing manufacturing complexity or device control circuits.
Impedance magnitude tracking maintains resonance locking in modified piezoelectric transducers with degraded phase response.
Multi-directional elastic member prevents block collisions to resolve the contradiction between spring elasticity and structural reliability.
Nesting a temperature sensor inside the piezoelectric element's through hole enables precise medium measurement without increasing device volume.
Integrated printed circuit replaces manual cabling to reduce assembly complexity and production costs for high-frequency acoustic antennas.
A controller compares distance information with road surface data to determine detection conditions for obstacles.
An oscillating moveable tip reduces tip resistance in sandy soils, enabling vibratory hammers to reach 40 meters without noise mitigation.
A CMUT fabrication method forms a second membrane while sealing an etching-hole in one operation to ensure uniform film thickness.
Supporting pillars reinforce piezoelectric composite films to prevent structural collapse during vacuum packaging processes.
A linear vibrator uses rubber elastic bodies to support oscillator movement and reduce frequency sensitivity.
Dielectric pedestals on CMUT bottom electrodes reduce contact area, minimizing stiction and charging accumulation during membrane oscillations.
Independent circuitry with resistive and capacitive elements dampens diaphragm motion, reducing quality factor to improve axial image resolution.
Segmented sonotrode generates uniform in-plane vibrations along a long edge.
A circumferential trench filled with a passivation layer guides epitaxial polysilicon growth to define precise transducer plate dimensions.
Electronic control unit replaces mechanical linkages in soil compaction machines to enable precise steering via digitized operating instructions.
A dual-frequency ultrasonic probe integrates high and low frequency elements on a single substrate to optimize signal driving.
Distributed vent holes in PMUT inactive regions dissipate external pressure bursts while maintaining ultrasonic acoustic output through spatial segmentation.
A piezoelectric element manufacturing method applies an electric field during a specific temperature range to induce phase transitions.
Capacitor and resistor network isolates CMUT bias voltage from TX/RX circuitry, preventing damage during device shorts.
A control circuit generates excitation signal sequences and monitoring periods for ultrasonic transducers using a single command.
A Pb-free piezoelectric device uses a multilayer structure combining KNN and BT materials to enhance performance.