Impedence Networks TRIZ Cases

Bonding a thinned bulk piezoelectric layer to a high-rigidity ceramic plate prevents cracking and tipping during mounting, improving device reliability.

A piezoelectric acoustic wave element uses crossed bus bar electrodes to cancel distorted currents generated by interdigital transducers.

Inclined electrode surfaces distribute stress to prevent breakage and improve hermetic sealing reliability in thin-film packages.

A notch resonator with a transverse layer overlapping multiple elements enhances filter rejection characteristics, solving narrow-band and rejection trade-offs.

Integrating a thermistor and resistance layer on the board lower surface reduces resonance frequency variations across wide temperature ranges.

Titanium nitride and chromium base layers prevent void generation in interdigital transducers, reducing power resistance and stabilizing resonance frequencies.

Release holes in sacrificial films allow etchant escape, preventing surface tension induced sticking while enabling narrow gap formation for high sensitivity.

Air gap between metal layers in bulk acoustic wave resonators increases electrode conductivity while terminating acoustic waves to reduce resistive loss.

A crystal oscillator package uses a front-surface metal layer and electrode pads positioned in the same plane as a cavity opening.

Projecting portions on the piezoelectric vibrating piece prevent crystal element contact with the container bottom, maintaining vibration stability.

A piezoelectric acoustic wave resonator uses a polycrystalline support substrate to confine surface acoustic waves and reduce spurious signals.

A coaxial electronic component uses a conductive pillar surrounded by an intermediate insulating layer and conductor layer.

A self-shielded die integrates an electromagnetic interference shield directly onto the substrate surfaces and sides to create a Faraday cage.

Segmented periodic anchors create forbidden frequency bands that block acoustic leakage, improving quality factors and reducing dynamic consumption.

A bulk acoustic wave resonator uses a ring structure to confine acoustic energy and minimize series resistance.

A silicon reinforcing plate prevents deformation of the hollowed space in electronic components during module resin sealing.

Replacing glass plates with a metal plate and insulating layer improves the Q value and displacement amount while maintaining electrical insulation.

Laser-formed altered domains in supporting substrates enable precise groove-aligned cutting of piezoelectric acoustic wave devices.

A two-dimensional mode resonator displaces in lateral and thickness directions using piezoelectric material between metallic gratings.

A two-stage mesa substrate with optimized thickness ratios confines vibration energy to reduce crystal impedance in piezoelectric resonators.

An alloy layer joins a solder bump to an electrically conductive layer, blocking moisture ingress through gaps between the resin film and electrodes.

A container with projections supports a piezoelectric vibration element at multiple locations to prevent electrode contact.

Cushion-shaped insert presses multi-part damping element against housing to ensure gap-free enclosure around electrical conductor.

Seed layers template scandium-doped aluminum nitride growth for selective C-axis orientation, enabling compact resonators without mechanical stability loss.

Resonant cavities reflect and absorb high-frequency noise, preventing electromagnetic interference in communication systems.

Harmonic trap circuits ground a metallic ring at specific locations, minimizing destructive resonances and preserving radiation characteristics.

A silicon nitride layer with a controlled composition ratio confines elastic wave energy in an interdigital transducer electrode structure.

Protruding ring-shaped metal layer anchors protective film to substrate, resolving weak adhesion that causes peeling and sealer exposure.

An extended cavity beneath the connecting strip confines acoustic energy within a bulk acoustic wave resonator stack.

A mass-adding film overlaps gap regions between electrode fingers to establish a piston mode.

A vibrator device uses a second relay substrate to isolate the element from mechanical stress during package mounting.

A selectable coil array dynamically energizes specific elements to provide spatial freedom for device placement.

Optical actuation eliminates Joule heating in the suspension beams, allowing broader material choices and precise particle mass detection.

A passive wireless switch circuit generates constant voltages from RF signals to control multiple microelectromechanical systems switches.

Segmented thick sections reduce mass at the leading end, stabilizing vibration characteristics against external acceleration.

Segmented trenches distribute thermal expansion forces, maintaining resonance stability without cracking piezoelectric layers.

A thin-film piezoelectric device uses a single-crystal PZT film oriented within ±11.5° of the <100> direction to drive in-plane displacement.

A MEMS vibrating device uses a degenerate semiconductor silicon layer to stabilize resonant frequency against thermal variations.

Hermetically sealed cavity packages containing patterned metal inductors isolate components from lossy substrate materials to improve quality factors.

Borosilicate glass compensation layers counteract piezoelectric thermal drift, maintaining resonant frequency stability over extended operating ranges.

A second dielectric layer covers the aluminum conductive film to prevent flux exposure during soldering.

Single crystal BST piezoelectric films enable compact FBAR filters with high quality factors and reduced power consumption.

A band elimination filter with a bulk wave element sits between an antenna and multiplexer to remove unwanted frequency signals.

Attaching a cavity support wafer before thinning prevents warping and cracking of the BAW filter substrate, ensuring mechanical integrity.

A coil component design featuring a bridge conductor layer between insulated coil layers.

A MEMS resonator uses silicon and SiO2 portions with opposite temperature coefficients to stabilize frequency.

Positioning a high-order mode resonant frequency below the reception pass band reduces insertion loss in elastic wave filters.

An elastic wave device uses a layered acoustic reflection structure to confine mechanical waves within the piezoelectric layer.