Material Analysis Using Sonic/Ultrasonic/Infrasonic Waves TRIZ Cases

Direct laser pulses at high acoustic impedance materials to create tension waves that evaluate bond strength without destructive physical testing.

Statistical process control manages magnetostrictive oscillator probe surface roughness to minimize liquid water retention.

A piezoelectric analysis device uses a groove electrode to increase adsorption area for liquid substance detection.

A cover reflecting visible light creates a mirror image for marking suspicious areas, resolving alignment issues and privacy concerns without extra cameras.

A rotating probe applies defined penetration force to tissue samples while a vibration sensor records acoustic signals generated during relative movement.

Horizontal array detects acoustic interference patterns to estimate plume physical characteristics.

A scanner system detects substrate surfaces using a picker tip and deflection detector feedback loop to resolve stiffness variations.

Asymmetric magnetic fields generate bending vibrations in rod members using electromagnetic acoustic transducers.

Dynamic beam steering captures multi-point surface velocities to resolve cross-sectional average flow errors in open channels.

A stress relaxation layer buffers mechanical stress from a light reflection layer on a vibration film, preventing noise while maintaining sensitivity.

A nulling circuit matches wire resistance to isolate motional electromotive force from resistive voltage drops in downhole fluid analysis.

Central and peripheral cavity formation with localized etching of peripheral membranes improves quality factor and reduces frequency dispersion in gas sensors.

Integrated sensors capture ultrasonic and positional data simultaneously, eliminating manual tracking errors during complex structure inspections.

An ultrasonic sensor uses an inclined acoustic matching layer to align wave transmission with the vehicle longitudinal axis.

A composite wrinkle reference standard enables non-destructive inspection of sub-surface irregularities in aerospace components.

Snake cameras and crawler robots penetrate sealed balcony spaces via drilled access points to detect internal wood rot and metal rust without structural damage.

A probe with non-uniform transmission sound pressure stabilizes acoustic waveforms across conversion elements.

Thin-film acoustic resonators operate at gigahertz frequencies to detect small analyte quantities, while differential measurements subtract environmental noise.

An absorbing layer and time-gated detection suppress reflected measuring light interference, improving signal-to-noise ratio in photo-acoustic measurements.