Material Analysis Using Sonic/Ultrasonic/Infrasonic Waves TRIZ Cases

See how an ultrasonic flow meter with integrated RGBW sensor reduces measurement deviation from

See how a movable support frame replaces fixed downstream guides to reduce system weight, impro

See how a robotic cleaner uses ringdown signal estimation and FFT comparison to discern surface

See how a single ultrasound element performs both transmission and reception to measure humidit

See how wireless temperature sensors and pattern analysis enable predictive maintenance in biom

See how blower speed adjustment compensates for air temperature changes to prevent false air fl

See how monitoring coffee bean volume change during roasting detects first cracking to control

See how monitoring coffee bean volume change during roasting enables feedback-based control to

See how wireless temperature sensors and cycle pattern analysis infer refrigeration efficiency

See how acoustic speed-of-sound and thermal conductivity measurement enable fast, on-site refri

A coil on one rod and a magnet on the other replace piezo transducers, simplifying vibrating fork sensing and lowering power use.

A resonant semiconductor sensor detects hydrogen leaks through frequency shifts, improving real-time gas density and viscosity monitoring in vehicles.

A glucose sensor converts analyte levels into RF resonance for wireless reading, removing onboard power and reducing monitoring cost and complexity.

Inserted between stator and rotor, a movable ultrasonic probe scans rotor wedges without disassembly, cutting stop time and repositioning.

A dual-flux lattice transducer turns sound into skull vibrations across 300-4000 Hz, aiding conductive hearing loss with less invasive hearing support.

Actuator-driven focal tracking keeps an ultrasonic transducer aligned on uneven surfaces, improving semiconductor inspection speed and accuracy.

Vertical integration of MEMS, analog CMOS, HPC, and DTC layers shrinks bulky CMUT hardware into a compact, lower-cost ultrasound module.

By sweeping ultrasonic frequency and imaging wire vibration, this case detects semiconductor wire defects faster and with fewer false calls.

Inserted into the rotor-stator gap, a movable probe inspects wedge cracks in place, avoiding rotor removal and shortening inspection time.

Pre-wetting bonded wafer edges with damped nozzle sprays improves couplant uniformity, reducing scan artifacts without adding significant scan time.

A porous gel layer lets gas vent through the chamber sensor, balancing pressure while supporting the cavity and reducing adhesive-related damage.

A passive on-body glucose sensor converts analyte levels into resonance frequency, cutting power and circuit complexity while enabling accurate wireless readout.

Vertical bonding of MEMS, analog CMOS, HPC, and DTC layers cuts bulky wired architecture, enabling compact lower-cost ultrasound hardware.

Acoustic attenuation tracking identifies the end of electrode slurry mixing in situ, improving homogeneity control and production scalability.

A higher-conductance heat spreader redistributes heat in a MEMS heater to suppress hotspots, reduce ohmic drift, and improve long-term stability.

A generator-charged capacitor and selective supply switching cut primary cell size while maintaining long-life fluid meter power.

A segmented mobile mass keeps a large optical interaction region while cutting moving mass to improve mass spectrometry resolution and detection accuracy.

Three articulated magnetic wheels maintain tangential contact on ferromagnetic pipes, enabling safer thickness inspection without scaffolding.

TSV-linked interposers and ceramic heat sinking package ultrasound-on-a-chip devices with better thermal control, PCB integration, and acoustic stability.

FFT-based frequency peak analysis isolates defective production factors in secondary battery equipment, improving quality diagnosis without slowing the process.

A generator-fed capacitor and backup battery switch by capacitor charge state to keep remote fluid meters running during intermittent flow.

Parallel optical fibers and couplers generate stable multi-wavelength radiation via stimulated Raman scattering with less optical complexity.

Actuatable pins and spring couplers lock a panel-mounted vehicle sensor to the body to limit displacement and preserve alignment.

Integrated fan-out packaging with interposer metal pillars cuts parasitic inductance and heating while improving ultrasound-on-a-chip reliability.

A rotating multi-holder support structure cuts wafer scan changeover by enabling parallel loading, unloading, and ultrasonic inspection.

Multiple independently controlled rotational vibrators and an accelerometer generate shear waves with selectable direction on standard ultrasound platforms.

Electrical readout from a piezoelectric sensing structure cuts biosensor cost and testing time for point-of-care bio-entity detection.

Ultrasonic echo analysis tracks hydrogen bubbles and precipitates in redox flow battery electrolyte to prevent buildup and capacity loss.

A wavelength-selective Brewster thin-film polarizer enables oscillation beyond peak gain, preserving laser output while limiting size and cost.

Mobile target and measuring vehicles capture and splice multi-range point cloud data to improve terrace surface accuracy and inspection efficiency.

A waveguide and diffraction grating inject light directly into a hollow cavity, reducing misalignment and enabling reproducible lab-on-chip photoacoustic sensing.

A high-permeability flux guide in lagging strengthens contactless ultrasonic pipe inspection and limits interference at narrow sensor spacing.

A preloaded piezoelectric ring actuator boosts low-frequency stroke and amplitude to transmit leak-detection acoustic waves farther in pipelines.

A larger second coil in parallel extends wireless ultrasound NDT range and coupling strength while preserving high-frequency resonance.

Alternating CMUT bias polarity and sensing capacitance drift helps limit dielectric charging, extend lifetime, and preserve ultrasound image quality.

Ultrasonic transducers and sonically enabled pads test upside-down ICs without electrical contacts, cutting rework and development cost.

RF energy is converted into acoustic phonons and then DC output, enabling ultra-low-power RF sensing and scavenging for IoT terminals.

A separated electrode layout protects the first conductive layer during etching, preserving drive voltage input and piezoelectric reliability.

Pre-wetting wafer edges with a multi-nozzle ring forms a water film that sustains ultrasonic coupling, cuts artifacts, and shortens scans.

Piezoelectric transmitters and receivers trace acoustic paths through bonded power modules to locate sub-surface cracks and delamination.

Optical and acoustic surface profiles guide stage displacement and dynamic focus to keep lithography exposure aligned despite substrate and resist variations.

Pressure-loss and pressure-control mechanisms stabilize sample gas flow despite line pressure variation, improving methane measurement accuracy.

A pivoting lifting arm plus a movable base support keeps sewer inspection cameras at precise height and focus during vertical positioning.

Removing slag and other weld-surface impurities before laser ultrasound inspection improves internal defect detection reliability.

Rotationally offset ultrasonic transducers and adjustable spacers keep a free-swimming pipeline inspector centered and reduce signal cross talk.

A controlled crack in hard-to-crack material improves NDE calibration by suppressing interface signals and preserving realistic defect response.

Retractable front and rear spacers keep pipeline inspection equipment centered through bends and valves, improving signal coverage and data completeness.

A damped sensor module and water-blocking gas-permeable cavity improve outdoor gas measurement accuracy under vibration.

Adjustable pitch-yaw wheel joints let a pipe inspection robot enter narrow headers, grip stably through bends and branches, and support ultrasonic checks.

Known contaminant layers embedded at a diffusion-bonded interface create practical reference standards for validating NDI of titanium MIM defects.

Fixed-delay pump pulses and one probe beam capture instantaneous signal differences for faster buried-structure detection.

Ultrasonic shear-horizontal waves travel through a waveguide segment away from the object, limiting leakage and supporting rapid surface-temperature calibration.