Material Analysis Using Sonic/Ultrasonic/Infrasonic Waves TRIZ Cases

Ultrasound imaging generates 3D tissue maps to guide non-destructive sampling, preventing loss of spatial information during pathology analysis.

A second parallel film restricts bowing from stress and temperature changes, maintaining switching stability.

Delayed drive converges ultrasonic waves onto a small aperture, preventing object wrinkling while maintaining detection intensity.

Mesoporous transition metal oxide films adsorb nitrogen oxides to resolve sensor durability and low ppm sensitivity constraints.

Automated image capture on rotating blades eliminates manual borescope operation and compressor disassembly while maintaining component integrity.

An optical test apparatus uses pump and probe beams to irradiate semiconductor surfaces.

A pot-shaped ultrasonic sensor membrane uses a soft elastic decoupling ring to isolate vibrations from the vehicle bumper structure.

A machine learning engine filters environmental noise from ultrasonic gas sensors using pre- and post-measurement control data to compensate for drift.

A mixture ratio calculation device determines fluid component ratios by measuring thermal property values at two distinct temperatures.

A self-cleaning piezoelectric microbalance sensor measures mineral scaling rates in aqueous cooling systems.

Elongated threaded inserts enhance vibration force transmission up to 120 Gs RMS while providing air circulation for improved temperature uniformity.

Electromagnetic actuation of a tensioned wire determines local fluid viscosity via damping characteristics, resolving multi-phase flow measurement errors.

Diffractive optical elements adjust spot sizes and scan lengths to prevent overlapping beams, eliminating optical crosstalk in semiconductor inspection.

Dual pitch channels in a staggered transducer array resolve the trade-off between lateral resolution and proportional distortion.

Fan propulsion replaces friction drive on wet surfaces, enabling reliable scanner motion without complex mechanical traction systems.

A vertically arranged ultrasonic fill level sensor uses dual reference surfaces to determine propagation speed for accurate liquid measurement.

A wedge with an inclined surface directs ultrasonic waves obliquely into pipelines, improving measurement accuracy in corroded sections.

Surface irregularities on the through hole inner wall restrain wiring movement, reducing thin film stress and enabling higher integration density.

A filter element isolates atomic hydrogen from interfering ions and electrons, enabling accurate concentration measurement during active lithography production.

A surface acoustic wave biosensor uses an oxide and hydrophobic film on interdigitated transducer electrodes to block corrosive ions.

Square ultrasonic transducers extend the focal zone by 50% to resolve coverage limitations of circular sensors across varying pipe diameters.

Ultrasonic transmission sensors detect window presence and integrity by analyzing acoustic properties across specific test areas.

A transducer position guide uses a sliding rail and vacuum attachment to secure ultrasonic probes on gas turbine airfoils.

Ultrasound flow measurement units calculate the CO2 emission factor by measuring speed of sound, avoiding optical contamination and high costs.

Dual sensor units inside vacuum chambers detect particle absorption and pressure changes.

Photo-acoustic feedback terminates laser ablation upon detecting viable tissue, preventing collateral damage and eliminating pain during drug delivery.

Inclined ultrasonic transmission and parallel reception units detect sheet multi-feed in compact conveyance paths.

Acoustic transducers measure fluid velocity changes within a wellbore sample to determine physical properties in situ.

Embedded ultrasound signal markers enable absolute time-of-flight measurement via period duration analysis.

Segmented magnetostrictive sensors separate axisymmetric and flexural wave modes to locate circumferential defects.

Asymmetric triangular lattice eliminates non-uniform boundary conditions, reducing unnecessary signals and enhancing acoustic sensitivity.

A nanophotonic circuit integrates optical waveguides and acoustic sensors on a single chip to enable portable gas detection.

Modified epoxy resins bond acoustic stack components, reducing cycle time and defects from high viscosity adhesives.

Multi-plane ultrasonic transducer array resolves inhomogeneous flow conditions by ensuring complete acoustic exposure across distinct measurement sections.

Inferring speed of sound from measured density compensates for pressure and temperature variations to reduce supercritical fluid measurement errors.

Open dome ice protector prevents bubble interference and protects sensors from freezing liquid expansion.

Ultrasound system uses Doppler-detected blood flow regions as seed points for automatic vessel segmentation in B-mode frames, eliminating manual placement.

An automated device selects representative pulse cycles using spectral characteristics and quality metrics.

A subdermal imaging system uses segmented range gates to focus ultrasonic detection at specific tissue depths.

Autonomous mobile platform with spark-neutralizing enclosures performs tank inspections.

Correlating phase signals with variable flow rates determines non-condensable gas content, resolving accuracy issues caused by fluctuating steam conditions.

An underwater spark discharge generates compression waves to inspect bonded structures, eliminating expensive laser equipment and reducing system complexity.

A MEMS infrared emitter package uses a rigid LCP wall and filter lid to constrain radiation.

Segmented power box and speaker system enable in-situ calibration while seal detection prevents damage during flush-mount operations.

A solderless stack bonding method aligns flexible circuit pins with piezoelectric ceramic conductive elements using epoxy adhesive and mechanical pressure.

A dynamic moisture permeability evaluation apparatus separates measurement spaces to analyze water vapor concentration shifts across sample layers.

An NA controlling unit dynamically adjusts aperture size and focal length to maintain horizontal resolution while extending depth of focus.

Piezoelectric transducer harvests mechanical strain to power floating gate memory, enabling long-term fatigue monitoring without external batteries.