Impedence Networks TRIZ Cases
- MEMS Resonator Base Portion Holes for DLD Improvement
Through-holes in the base portion alleviate distortion concentrations to improve drive level dependency while maintaining manufacturing precision.
- AlN Piezoelectric Film Lattice Control for Acoustic Wave Bandwidth
Aluminum nitride piezoelectric film with controlled lattice ratio enhances electromechanical coupling in acoustic wave devices.
- Resilient Gasket Mounting for Small Cell Filter Enclosures
Integrating sealing and mounting functions into a single gasket eliminates screw holes, reducing the footprint of small cell filter assemblies.
- Piezoelectric Substrate Thickness Control via Laser Ablation
Laser ablation and grinding adjust piezoelectric layer thickness variability, resolving the trade-off between manufacturing precision and cost.
- Acoustic Wave Filter Apodization for Transverse Mode Suppression
A longitudinally coupled resonator acoustic wave filter uses apodization weights to vary electrode finger overlap widths.
- Unreleased PAW Resonators with Acoustic Reflectors
Unreleased plane acoustic wave resonators use integrated acoustic reflectors to confine energy while attached to the substrate.
- Acoustic Resonator Seed Layer for Crystal Orientation
Seed layer aligns piezoelectric crystals perpendicular to the surface, fixing random orientation issues in acoustic transducers.
- Quartz Resonator Notch Design for Impact Resistance
A quartz crystal resonator element uses a notched base with specific X-axis geometry to form a tuning fork structure.
- Acoustic Wave Device and Varactor Integration on Compound Semiconductor
An integrated structure of acoustic wave devices and varactors on a compound semiconductor substrate.
- Acoustic Wave Device with Dielectric Film for Mode Suppression
Varying dielectric film thickness suppresses high-order transverse mode waves without requiring special IDT electrode finger shapes.
- Gyro Element Manufacturing via Dry and Wet Etching Segmentation
Segmenting quartz crystal substrate processing into dry and wet etching steps prevents material deposition inside recessed areas, improving yield rates.
- Piezoelectric Thin Film Resonator Acoustic Leakage Suppression
An inserted film within a piezoelectric thin film resonator acts as a fixed end to constrain oscillating waves.
- Imbalanced Oxide Raised Frame for Bulk Acoustic Wave Resonator
Asymmetric oxide raised frames surround the central active region of a bulk acoustic wave resonator to optimize acoustic impedance interfaces.
- FinBAR Resonator Array for Continuous UHF SHF Filtering
Fin bulk acoustic resonator arrays overcome single-frequency limitations by varying fin dimensions to achieve continuous tuning across UHF and SHF bands.
- Piezoelectric MEMS Resonator with Phase Change Material Switches
A piezoelectric MEMS resonator integrates phase change material switches to enable dynamic frequency reconfiguration.
- Semiconductor Circuit Layout for Interference Suppression
Non-overlapping connection wires suppress interference with digital circuit blocks, enabling larger memory areas on smaller substrates.
- MEMS Tuning Fork Arms with SiO2 Layer for TCF Reduction
Laminating a silicon oxide layer on degenerate semiconductor tuning fork arms reduces the temperature coefficient of resonant frequency to within ±5 ppm/°C.
- Piezoelectric E-Liquid Pumping for Stable Electronic Cigarette Atomization
Surface acoustic waves from piezoelectric transducers pump e-liquid uniformly, resolving nonuniform atomization and harmful byproduct formation.