Chlorine etch-back and fluorine plasma conditioning lower ruthenium MEMS contact resistance while reducing stiction risk over device life.
An electroactive polymer interconnect shifts particle contact states to maintain conductivity and prevent switch glitches during thermal cycling.
Offset pull-down electrodes break the off-state capacitive path in MEMS switches, improving isolation and reducing electrical loss.
A two-stage electrostatic actuator bends a switch beam to cut closure oscillations and impact velocity, improving contact stability and lifespan.
Fringing-field actuation bends the switch beam with controlled electrostatic force to cut oscillations, lower contact speed, and extend switch life.
A second spring engages before contact closure to boost restoring force, speed switch-off, and reduce flashover in capacitive MEMS relays.
A prefabricated cavity and bonded cover hermetically protect a deflectable MEMS bending element, avoiding extra housing and silicon damage.
A ruthenium-TiN-ruthenium contact stack improves MEMS switch yield by keeping beam contact uniform in compact devices.
A micro-relay and bypass circuit harvest power from the controlled line, enabling self-powered switching with less load and circuit impact.
Injected-current resistance sensing verifies switch states after programming and triggers correction when PCM or MEMS switching is unreliable.
Shunt switches and isolation stubs reflect unwanted RF energy away from open MEMS paths, improving isolation and limiting insertion loss.
Buried conductive pathways and vias shield MEMS switch interconnects from corrosion and leakage, improving reliability and reducing signal loss.
A sealed alternative gas mixture protects liquid metal MEMS relay contacts from oxidation while providing dielectric strength to prevent arcing.
A breakaway conductive member cuts parasitic capacitance in a MEMS switch, keeping off-state isolation stable under high-frequency signals.
Electrically isolated bridge regions cut RF parasitic capacitance and inductance while distributing stress in movable MEMS switches.
Smaller PECVD-sealed holes near MEMS elements and larger APCVD-sealed holes farther away enable high cavity pressure without dielectric contamination.
Metamaterial contacts and defected ground structures cut stiction and actuation voltage while improving RF MEMS switch isolation and insertion loss.
Intermediary landing stacks let a biased MEMS beam touch stable support points before RF conductors, reducing contact force and defects.
Buried signal lines under the lower actuation electrode enlarge electrode area, cut electrostatic interference, and lower MEMS switch actuation voltage.
A high-permittivity dielectric and symmetric ground layout speed RF MEMS switching while preserving low loss, wideband operation, and power handling.
A superlubric sliding capacitor switch avoids contact damage and charge buildup while lowering drive voltage and extending RF MEMS service life.
A convex RF electrode surface matches the movable plate to eliminate inconsistent contact and achieve repeatable capacitance values.
Segmenting the structure into rigid and flexible substrates resolves substrate fragility while enabling compact, high-frequency switching.
Floating reference gating circuitry tracks varying beam voltages to prevent overvoltage damage in series-stacked MEMS switches.
A tuneable RF MEMS arrangement uses a reconfigurable coupling circuit to link multiple variable capacitors for flexible impedance control.
Series capacitor lowers electric field strength in dielectric layer to prevent breakdown and stiction in high power RF MEMS switches.
A microswitching element uses closed-end slits to isolate movable portions and suppress high-frequency signal leakage.
Couple a structural bump to the top actuation electrode in MEMS switches to eliminate dielectric charging and improve reliability.
Sandwiching the MEMS device between a base and circuit chip eliminates bond wires, reducing RF interference and overall footprint.
An insulator layer isolates the MEMS switch conductor from bonding material, reducing signal resistance and preventing short circuits.
A MEMS switch couples input pads to ground during electrostatic discharge events.
Single-step sacrificial layer deposition establishes a planar surface for capacitive MEMS transmission lines.
A waffle-type microstructure cantilever uses compound springs to enhance stiffness while maintaining low mass.
Segmenting electrodes into two cantilevers reduces switching voltage while hermetic sealing prevents arcing and dielectric breakdown.
A radiation detector uses a DC-to-DC converter with micro-electromechanical switches to apply controlled voltage across a semiconductor absorption layer.
Asymmetric conductive member design enables controlled breakdown, ensuring stable switching states under high-frequency signals.
Segmented legs match mechanical stiffness to eliminate switching voltage variations caused by deposition inconsistencies.
Landing posts create parallel current paths to reduce resistive heating, limiting temperature rise in high power RF MEMS switches.
A recta-coax MEMS switch uses an electrostatic actuator to move a suspended conductor between isolated and contact positions.