Electrostatic Motors TRIZ Cases

Stacked electrowetting droplets and electrodes create 3D microactuation that boosts torque at low voltage for compact microsystems.

Micro spring structures between interposed MEMS arm arrays absorb vibration and impact energy to protect fragile actuator arms from damage.

High-density weighted comb fingers boost MEMS actuator inertia and vibration stability to reduce image blur during extreme camera motion.

Interleaved electrostatic comb drives expand MEMS travel range and motion control while lowering power use for rotational, tilting, and linear actuation.

A non-zero bias voltage compensates temperature, vibration, wavelength, and process variation to keep MEMS mirror positioning stable and images cleaner.

Using multiphase AC on both rotor and stator avoids high-DC material degradation while maintaining torque across operating speeds.

Electrostatic stacked electrodes with elastic nodules and insulating binding edges improve durability, scalability, and spark-free layer isolation.

Temporary locking structures compress conductive flexures to rigidize MEMS parts, improving alignment and assembly efficiency.

Perforated hinge plates create fringing fields that extend MEMS actuator travel beyond the 1/3 gap limit while avoiding pull-in and high bias voltage.

Elastic nodules and insulated electrode layers enable stacked electrostatic actuation while preventing sparks, lateral shift, and poor scalability.

A perforated hinge plate creates fringing fields that extend mirror travel beyond pull-in, increasing optical bandwidth at practical bias voltages.

A monolithic micromirror and TMOS detector with sealed chambers improves near-infrared orientation and detection accuracy while shrinking 3D sensing hardware.

A hinged comb stator self-aligns with the rotor to minimize finger gap variation, boosting electrostatic drive force without contact.

Two springs in different planes form a parallelogram guide that limits MEMS actuator tilting while preserving precise positioning in dense arrays.

A pre-stretched, UV-cross-linked liquid crystal elastomer enables freestanding soft actuation at under 300 V without rigid frames.

A latching mechanism lets MEMS comb fingers start with etchable spacing, then engage more closely to boost electrostatic drive force.

Electrostatically actuated MEMS Z-positioning boosts STM bandwidth while preserving tip isolation, motion range, and batch fabrication.

Comb-shaped lateral stacking cuts dielectric elastomer actuator voltage while keeping high force in a thin, flexible film for curved surfaces.

Phase-shifted dual MEMS transducers improve bending linearity, dynamic range, and frequency response while reducing harmonic distortion.

A rotating frame, platform, and staggered combs decouple MEMS micromirror dual-axis motion to prevent crosstalk and improve torque stability.

A dual-hinge MEMS mirror uses twisting and serpentine hinges to resist misalignment forces and vibration, helping maintain deflection angles.

A hinged plate self-aligns the comb stator with the rotor, enabling small finger gaps, stronger electrostatic drive, and simpler fabrication.

Directly coupled X, Y, and Z actuators give a motion platform six-DOF control with higher accuracy and faster response for MEMS uses.

Indented electrode lines filled by an insulator isolate stacked actuator layers, preventing sparks while improving durability and scalability.

A folded single-substrate electrode stack replaces through-holes with edge connections, enabling scalable low-complexity actuation and sensing.

Electrowetting droplets between stacked layers boost micro-actuator torque at low voltage, overcoming planar MEMS force limits.

A surface elastic wave generator uses a depletion capacitance region to produce electrostatic force for wave generation.

Electrostatic attraction between conductors pressurizes dielectric fluid to expand an elastic membrane.

A micromechanical assembly uses a spring to connect a displaceable component to an actuator electrode comb for perpendicular motion.

Segmented fixed electrodes energize a rotor to generate reliable starting torque in compact electrostatic motors.

Thin electrodes on dielectric sleeves reduce rotor mass while enhancing tangential electric field strength for efficient torque generation.

A hybrid electrostatic actuator displaces fluid between a substrate and segmented conductor using variable force.

Self-aligned etching defines interdigitated rotor and stator fingers in a single wafer layer for precise comb drive alignment.

Iron oxide mixed in silicone creates a composite actuator driven by electrostatic attraction, improving thermal stability and mechanical performance.

A variable stiffening device uses electrostatic attraction to pinched electrode extensions within cavities for structural support.

A centipede actuator motion stage uses electrostatic flaps to drive a lens mount via flexures.

Compliant spacer enables electron transfer without physical separation, reducing device footprint and enhancing mechanical robustness.

Non-parallel comb fingers linearize capacitance to prevent lock-in conditions during arcuate motion, eliminating complex deployment structures.

A microelectromechanical component uses vertical electrodes extending through a conductive substrate to drive an elastically deflectable actuator device.

Recesses in high aspect ratio members balance the center of mass, reducing noise from offset centroids in MEMS devices.

High impedance node domains increase electrostatic sensitivity while shim cells tune stiffness to zero.

Asymmetric rotor finger placement reduces in-plane rotation sensitivity without requiring higher manufacturing precision for micromirror arrays.

Electrostatic actuation tilts a stepper plate to achieve multi-step displacement without snap-down or high driving voltage.

Multiple-plane comb electrodes enable bidirectional rotation for large optical scanning angles without requiring complex multi-layer staggered structures.

Segmented insulator grooves prevent creeping discharge in a vacuum electrostatic motor, enabling sufficient driving force without spark hazards.

A 4-DOF piston-tube electrostatic actuator generates large forces through direct force transmission and decoupling between motion axes.

Varying beam width along its length decouples actuation voltage from restoring force, reducing adhesion susceptibility in MEMS switches.

A soft hydraulic actuator uses a reversible seal to trap dielectric fluid in an edge region, maintaining position without continuous power.