Impedence Networks TRIZ Cases

A five-element Sn-Sb-Ag-Cu-In alloy seals surface mount devices in vacuum environments.

Suspended lithium-based thin film resonators utilize inter-digital electrodes to achieve high electromechanical coupling and quality factor.

A Pt-based first electrode layer and Cu-based second electrode layer structure widens fractional bandwidth in elastic wave devices.

Stop-layers protect electrodes during dielectric planarization, enabling precise thickness control for frequency selectivity.

A front end module diplexer uses a notch filter and extractor path to separate frequency ranges.

A hybrid piezoelectric microresonator uses separate ferroelectric and non-ferroelectric layers for actuation and sensing.

Flat top surfaces prevent temperature gradients that cause uneven etching and short circuits between input and output electrodes.

A single crystalline piezoelectric thin film enhances electro-mechanical coupling in bulk acoustic wave resonators.

Segmenting the device with a low resistivity intermediary grounding layer suppresses spurious responses caused by high substrate resistance at high frequencies.

Higher resistance through electrodes isolate analog oscillation circuits from noise transmission, suppressing phase noise.

Pillar walls and a thin film sealing layer isolate bulk acoustic wave resonators from molding compounds, resolving reliability versus packaging complexity.

A PLZT ferroelectric thin film uses a thickness-dependent additive concentration to achieve high piezoelectric properties.

Segmented surface intervals on the support substrate reduce spurious emissions for acoustic wave devices with different resonant frequencies.

Protrusions on the vibrating body contact the package surface to maintain a constant distance, stabilizing capacitances despite adhesive thickness variations.

A shape control layer with tensile stress prevents contact between the resonating part and substrate in bulk acoustic wave resonators.

Arranging the earthing conductor partially on the resistor layer reduces electrical interference while maximizing the soldering surface area.

A quasi-single-crystalline titanium film serves as a diffusion barrier between platinum and aluminum layers in interdigital transducer electrodes.

A filter arrangement uses a series inductor to ground the metal film covering, diverting signals away from bulk acoustic wave resonators.

Integrating capacity element with parallel resonator reduces frequency difference, enhancing attenuation steepness while minimizing device complexity.

A bulk-acoustic wave filter device uses a stepped flow suppressing part to block melted bonding material from entering the ground section.

A communication module uses thinner outermost insulation layers on substrates to reduce electromagnetic coupling between electric lines.

Arcuate tuning rods adjust cavity resonance via a single motor, replacing complex multi-device selection systems.

Segmenting the piezoelectric transition with a planarization layer eliminates cracks and voids, increasing breakdown voltage.

An elastic wave device uses an insulating film to define identification markings that prevent parasitic capacitance between the marking and interdigital transducer electrode.

A composite AlCu and high-density metal electrode resolves the trade-off between bandwidth ratio and frequency-temperature characteristics.

A vibration element uses segmented extraction electrodes to maintain electrical connectivity while preventing overlapping areas between excitation electrodes.

Integrating a phononic bandgap structure into encapsulation material reduces manufacturing complexity while enabling ultrasonic device functionality.