Impedence Networks TRIZ Cases

Multiple micro through holes and redistribution lines cut parasitic inductance in RF filters, improving edge roll-off and out-of-band suppression.

Geometry rules and material figures of merit guide piezoelectric resonator selection to raise power density and efficiency in converters.

A resin-covered component and overlying metal electrode layer increase contact area to dissipate heat while suppressing RF noise.

Tailored CVD precursors and a nucleation layer form ScAlN films with uniform wurtzite structure, low segregation, and low impurities.

Asymmetric resonator conductors increase cross-sectional area while preserving magnetic flux space, raising Q value in compact laminated components.

A series shunt resistor-inductor path helps an acoustic-wave ladder filter cut insertion loss and improve diplexer frequency response.

A central resonator surrounded by lossless resonators boosts sound amplification, enabling compact and cost-efficient acoustic energy harvesting.

A periodic multi-material interlayer in a hybrid SAW stack suppresses spurious reflections while improving temperature-driven frequency stability.

Through-substrate vias and embedded passive conductors on both sides cut package size while improving layer planarity, coupling, and reliability.

A cavity below the back electrode or IDT reduces acoustic loss in a bonded SAW filter, improving Q and electromechanical coupling.

A resin-layer groove blocks heat transfer from the power amplifier to nearby components, improving thermal insulation in high-frequency modules.

A solder-sealed flip-chip cavity isolates stress-sensitive die components from mold compound stress, improving electrical consistency.

Integrated MIM capacitors and inductors shorten conductive paths in acoustic wave filters, cutting size while improving tuning and thermal behavior.

Tapered through holes and recessed regions keep the organic insulating layer thicker at corners, reducing leakage and improving electrode reliability.

DC-field tuning of ScAlN permittivity enables compact varactors and resonators on one die, reducing RF circuit size and fabrication complexity.

A recessed housing surface blocks vibration and stress from reaching metal bump joints, improving oscillator frequency stability and bonding reliability.

A surrounding noise removal portion forms closed-loop inductive coupling to suppress RF noise while passing DC and low-frequency signals.

A recessed flexible stopper absorbs mechanical forces in a piezoelectric MEMS diaphragm, improving shock resistance and motion reliability.

A protective etch-stop layer enables capacitor integration beside an acoustic device, reducing intermodulation distortion while preventing etch damage.

A center support divides the MEMS cavity and anchors the overhanging resonator to suppress unwanted modes while enabling lower-cost integration.

A Bragg reflector in an SMR magnetoelectric antenna confines acoustic energy, reducing leakage while improving mechanical robustness.

UV-cured adhesive and a dielectric layer bond rough piezoelectric substrates at room temperature, reducing curvature, cost, and polishing steps.

By exposing a projecting component above the sealing resin, this module improves heat radiation while preserving lateral sealing protection.

Direct deep-UV marking on the piezoelectric substrate removes the need for a marking film, cutting SAW package height without harming integrity.

A metal-sheet amplifying unit converts in-plane piezoelectric strain into perpendicular motion for compact size, fast response, and tunable resonance.

A vertical stack of AWR dies, active dies, and package passives shrinks RF FEM footprint while integrating multi-frequency filters.

Embedded passive conductors on both substrate sides use through-vias and dielectric layers to cut package size while improving coupling and reliability.

Surface acoustic waves generate alternating fields to power LEDs without contacts, avoiding spark risks where wiring is hazardous.

Selective temperature-compensating layers on key resonators stabilize RF frequency response while keeping filter modules compact.

A stepped substrate support and direct heater wiring limit heat loss to the ceramic package, enabling smaller OCXOs with steadier internal temperature.

A barrier-metal through electrode blocks solder corrosion and spread in piezoelectric resonators, preserving low-resistance external conduction.

A 3D bonding wall and cover plate expand fan-out space for MEMS, preserving bonding force as chip size and I/O demands increase.