Piezoelectric/Electrostrictive Devices TRIZ Cases

See how a piezoelectric element embedded in the driving screw generates ultrasonic vibrations t

Nested MEMS structures decouple x, y, z, and tilt motion, enabling autofocus, image stabilization, and super resolution in miniature cameras.

Metal-bonded transfer with a sacrificial layer integrates perovskite epitaxial oxide films on silicon while preserving crystal orientation and low defect density.

Stretchable charge distribution layers smooth electrode-edge fields in multilayer DEAs, raising voltage withstand, strain, and reliability.

Aligned drive and detection piezo bodies on a metal substrate reduce phase error and improve movable-part operation sensing.

A low-TTV support substrate and bonding layer create an even baseline for ultra-thin wafer grinding and polishing with better thickness uniformity.

A hermetic multi-cell electrostatic MEMS actuator replaces cantilevers to enable higher-frequency AFM scanning with less liquid damping.

Independently driven comb electrodes create discrete MEMS deflection steps with large range, uniform gradation, and low pixel crosstalk.

A locking mechanism lets comb fingers start with manufacturable spacing, then lock closer together to raise electrostatic driving power.

Segmented stator and rotor regions extend MEMS actuator stroke while balancing electrostatic forces to avoid pull-in instability.

Localized fluid confinement under MEMS winglets boosts viscoelastic damping to suppress resonance and shock response with minimal stiffness impact.

A softening member in the swing path absorbs stress and offsets coupling hardening, preserving deflection control and reliability.

A multi-layer PZT suspension assembly boosts gimbal torsion mode and stroke to improve head positioning precision and servo bandwidth.

A spring-spanning stopper limits rotor-stator contact in MEMS, cutting impact force, particle release, and surface-area penalty.

Localized viscoelastic fluid confined by sharp-edged MEMS structures boosts damping, reducing shock, vibration, and resonance susceptibility.

Piezoelectric Fabry-Pérot filter arrays tune optical path length to separate wavelength channels without slit losses, improving throughput and compactness.

A softening member in the MEMS swing path absorbs stress, countering coupling hardening to protect deflection control and reliability.

Integrated semiconductor chamber formation removes chip-stacking misalignment and depth errors, improving fluid transport efficiency.

Removing selected substrate regions creates rigid and deformable piezo zones, enabling compact low-power actuation with efficient motion conversion.

Sequential seed and intermediate layer deposition cuts surface cone defects in scandium AlN piezoelectric films while improving crystallinity.

Localized viscoelastic fluid confined near MEMS flexures boosts damping, reducing shock and vibration sensitivity without raising stiffness.

Serial cantilevered fluid interaction elements boost MEMS air displacement and sound pressure without enlarging the device footprint.

Tuned natural frequencies and connection portions increase deflection angle ratio while suppressing unwanted resonance for stable actuator operation.

Alternating holes and slits compensate temperature gradient offset while limiting damping and preserving sensor signal-to-noise.

A flexible shock absorber and fixed stopper limit out-of-plane rotor travel in MEMS, reducing hard impact, damage, and particle release.

Closed-end slits in light deflector torsion bars spread stress, enabling wider scan angles with lower harmonics and better drive efficiency.

A torsionally flexible MEMS motion limiter makes early out-of-plane contact to soften rotor impact and reduce damage and particle release.

Piezoelectric elements placed in the torsion bar support region tune resonance frequency while avoiding film peeling, wiring breakage, and image seams.

Prestressed bimorph electrostatic actuators enable large out-of-plane MEMS micromirror deflection while preserving high fill-factor for beam steering.

An asymmetrical piezoelectric MEMS mirror layout cuts footprint while preventing light beam clipping and preserving low-power beam steering.

A meandering MEMS mirror support uses segmented beam rigidity to keep resonance frequency high while enabling a large scan angle.

Serial cantilevered fluid interaction elements use out-of-plane motion to boost fluid displacement in compact microspeakers and micropumps.

Selective matte finishing on a metal optical unit suppresses stray light while preserving piezoelectric bonding and optical performance.

A heavy-mass and four lightweight-mass layout cuts lateral cross-sensitivity and thermal noise in capacitive three-axis acceleration sensing.

A spaced pendulum electrode rotates a MEMS mirror electrostatically without contact, preventing stiction and enabling smaller pixels.

A cat's-eye array built into each MEMS SLM pixel adds passive tilt compensation and continuous phase modulation for near-ideal wavefront reversal.

Elongated vias increase spacing between MEMS layers and components, enabling smaller display pixels without added fabrication difficulty.

A one-piece MEMS spring combines torsional and linear motion to save space, reduce process fluctuation, and preserve maximum deflection.

Openings and bridge elements add thermal resistance in a bending MEMS resonator, cutting heat flow and raising quality factor.

A tub-shaped buried and lateral insulating structure keeps a MEMS pressure diaphragm fully isolated, reducing short-circuit risk and yield loss.

Anti-phase coupled proof masses and directional springs separate rotation from acceleration to improve MEMS gyroscope accuracy.

Electrostatic hinge extensions move across electrode gaps without contact, avoiding MEMS stiction and improving actuation consistency and durability.

A segmented backplate with central and ring electrodes helps unstick a MEMS diaphragm with lower voltage, cutting start-up delay and parasitic noise.

A two-stage stopper layout raises spring stiffness at set thresholds to absorb severe shocks and prevent MEMS mass contact damage.

Openings in the resonating MEMS central region raise thermal resistance, cut heat flow, and improve oscillator quality factor.

Orthogonal compliant springs in a MEMS anchor absorb package shear and shock, keeping the proof mass aligned with electrodes for accurate sensing.

A single-supply drive signal controls connected piezo actuators in a MEMS mirror, simplifying electronics and cutting power and cost.

Electrostatic actuation shifts waveguide-resonator spacing to switch optical coupling without thermal tuning, cutting energy use and complexity.

A stepped micromirror transition spreads dynamic loading across two edges, reducing peak strain and enabling larger displacement angles.

Replacing metal eutectic bonds with dielectric mechanical links eliminates non-linear false signals from external loads.