Piezoelectric/Electrostrictive Device Details TRIZ Cases
- Laminated piezoelectric element
A covered resistance layer discharges pyroelectric charges in laminated piezoelectric elements to maintain polarization and prevent migration.
- Piezoelectric Drive Circuit Residual Current Management
A piezoelectric drive circuit uses separate voltage and discharge paths to remove residual current from the element.
- Multilayer Piezoelectric Element Insulating Resistance Layer Design
Segmented exterior layers isolate the active area from a resistance layer, preventing short circuits and polarization degradation.
- Piezoelectric Element Voltage Control for Tactile Feedback
Control unit applies driving signals to piezoelectric elements with positive electrode voltage equal to or greater than negative electrode voltage.
- Piezoelectric Actuator Sealing Plate Deformation Adjustment
Adjusting sealing plate deformation per nozzle suppresses discharge characteristic dispersion caused by piezoelectric element variations.
- Piezoelectric Device Diaphragm Crystal Orientation Strain
A piezoelectric device aligns element placement with silicon crystal orientation to optimize diaphragm displacement efficiency.
- Inkjet Drive Circuit Segmentation for Voltage and Current Scaling
A drive circuit segments current paths into parallel switches to distribute voltages across piezoelectric loads.
- Piezoelectric Element Polarity Reversal for Oxygen Deficiency
Alternating polarity driving waveform prevents oxygen deficiency buildup in piezoelectric layers, extending element lifespan.