A surface acoustic wave device uses a resin contact region surrounding interdigital transducers to enhance adhesion between the piezoelectric substrate and the resin member.
Electrolytic barrel plating covers sealing portions on diced substrates, preventing terminal misalignment and damage during handling.
Sputtered piezoelectric material templates epitaxial growth to merge III-N transistors with RF resonators, reducing off-chip routing losses.
Asymmetric bonding member arrangement reduces stress sensitivity in quartz crystal resonator devices.
Via electrodes conduct heat away from semiconductor devices in composite silicon substrates, preventing acoustic wave device degradation.
A depletion mode field effect transistor limits capacitive current spikes during triac switching, preventing dimmer degradation.
Bonded electronic components create parallel heat dissipation paths across mount boards, resolving thermal accumulation in multi-layer assemblies.
An elliptically-shaped magnetoelastic resonator converts magnetic energy into mechanical oscillations to extend detection range.
Laser-formed Li2CO3 layers prevent substrate charging and cracking, replacing vacuum sputtering to boost acoustic wave device productivity.
A wiring layer protruding portion deforms elastically to absorb external stress in electronic component modules.
Resonant pillars bridge co-planar waveguides to solve three-dimensional interconnection complexity while maintaining impedance matching.
A piezoelectric resonator integrates a silicon-oxygen compensation layer to adjust the temperature coefficient of sound velocity.
A piezoelectric laminate uses potassium sodium niobate to enhance crystal orientation and stability.
A radio frequency module stacks transmission filters with non-overlapping functional electrodes to reduce footprint.
A quartz crystal resonator element with optimized base portion thickness and coupling width ratios for enhanced vibration characteristics.
Extended symmetrical terminal electrodes redistribute thermal stress to prevent solder cracks in automotive packages.
A switchable surface acoustic wave filter uses electrostatic actuators to move ground electrodes for frequency tuning.
Direct wiring layer bonding eliminates bumps to reduce acoustic wave device size while maintaining bondability.
Graded aluminum nitride composition in the piezoelectric film optimizes electromechanical coupling while maintaining high Q-value.
A bulk acoustic wave resonator uses a titanium-copper alloy sealing layer to block moisture ingress through bonding agent micropores.
Bonding thin piezoelectric layers to support substrates creates visible interference fringes for direct thickness observation.
Direct bonding of acoustic resonators to low-resistivity circuit layers eliminates interconnect lead length, reducing signal loss and noise.
A surface acoustic wave device uses a high acoustic velocity film to confine Sezawa waves within a scandium-containing aluminum nitride layer.
Segmenting the dielectric layer into high and low acoustic velocity films resolves propagation loss by confining main mode energy and leaking high-order modes.
An inverse radiation structure counters differential mode LC tank emissions, resolving inductance mismatch interference without impacting operating efficiency.
A multiplexer design cancels imaginary impedance components across multiple filters to maintain electrical characteristics.
Cutaway support segments in a tuning fork crystal blank reduce bending vibration interference, maintaining frequency stability and electrical characteristics.
A common mode filter uses asymmetric winding layers to balance capacitance and improve high-frequency performance.
Dual insulating bonding layers join between a lid and substrate to prevent gaps caused by sealant expansion during heating, ensuring high bonding strength.
Rotated side surfaces intersecting the Z-axis minimize unwanted vibrations while resolving fabrication precision constraints.
A sintered die-attach metallization structure enhances thermal conductivity in high-power acoustic devices.
Applying selective DC bias voltage shifts bulk acoustic resonator frequencies toward the band center, reducing insertion loss at channel edges.
Reduced connection electrode thickness preserves frame symmetry to minimize resonance energy loss and improve quality factor.
A quartz MEMS resonator fabrication method using a hard mask and temporary adhesive for precise substrate handling.
A layered elastic wave device uses a high-density medium layer to achieve higher frequencies.
Segmented via formation and SOI bonding integrate MEMS with ICs while maintaining manufacturing precision.
A vibrating angular velocity sensor uses electrostatic forces to stabilize drive piece position.
Amorphous layers confine surface acoustic waves in piezoelectric substrates, reducing bulk wave excitation and spurious signals.
Single-crystal piezoelectric film transfer via sacrificial substrates maintains high quality factors below 0.5 um thickness for 5G band n79 applications.
A brazing structure with a sloping metallized layer expands the joint area to secure hermetic sealing in compact electronic component housings.
A dual sealing resin approach protects hollow components and fills narrow electrode pitches in electronic modules.
Epitaxial piezoelectric films and a two-dimensional electron gas bottom electrode improve crystallographic quality and Q-factor in high-frequency RF filters.
Inner and outer electrode segmentation reduces interconnect trace resistance, maintaining high quality factor Q despite complex device structures.
Smaller metal cover corner radii and extended straight portions resolve insufficient jointing at outer circumference corners during seam welding.
A stacked ceramic resonator filter reduces width by arranging coaxial units vertically on a printed circuit board.
Segmented thick sections reduce tip mass to minimize frequency deviations under acceleration while maintaining rigidity.
Defocused photoresist exposure generates sloped masks that etch titanium tungsten layers with angles under 32 degrees, preventing cracks and seams.
Vertical alignment of a BEOL capacitor and inductor conserves chip area while the capacitor acts as a Faraday shield for substrate isolation.
Layered aluminum nitride and zinc oxide enhance energy conversion in a laterally vibrating MEMS resonator, enabling wideband filter applications.
Connection electrode width variation slows heat arrival at the IC chip, reducing frequency drift and stabilizing temperature correction.