Optically Investigating Flaws/Contamination TRIZ Cases

Multiple angled sensor units capture non-smooth surface features within cylindrical cavities, ensuring accurate geometric data collection.

Multi-parameter cluster analysis identifies distinct anomaly signatures across wafer maps without manual labeling.

Partition semiconductor wafers into zones to assign higher measurement point density in areas with greater process fluctuations, reducing production rejects.

Complementary wavelength filtering distinguishes micron-sized surface unevenness, resolving measurement precision limits in non-contact inspection.

A substrate inspection apparatus combines ultraviolet fluorescence imaging with optical coherence tomography to derive precise film thickness data.

A dome-shaped inspection device captures multiple images under varied illumination to detect surface defects on metal parts.

Through-focus scanning optical microscopy with second harmonic generation enables precise nanoscale imaging of buried semiconductor structures.

Dual sensors detect patch markings to resolve orientation detection precision issues, enabling accurate wooden workpiece repair.

Spatially separated intensity distributions resolve beam overlap conflicts, enabling accurate focus control and measurement without interference.

Phase modulation creates a flat-top beam profile at oblique incidence, resolving edge intensity fall-off that limits defect detection sensitivity.

Computational analysis replaces compressible gel packs, reducing costs while improving measurement accuracy.

A sensor system obtains datasets from planar materials moving along a manufacturing line to identify subtle variations in real time.

A telecentric lens and detector assembly illuminates multiple exterior side surfaces of parts to form optical images.

Dual-function wafer handling apparatus integrates an optical defect inspection unit to capture images of the wafer edge during rotation.

A system compares circuit board images from different production stages to identify unauthorized changes or damage.

A coaxial lighting unit illuminates bottle shoulders through a circular diaphragm to capture clear plan view images.

A pivotable tunnel reflector directs diffuse light onto a line scan camera observation field, preventing direct reflection from glossy substrates.

A board inspection machine lifts individual boards sequentially for flatness measurement.

An inspection device uses an oblique mirror to reflect light from the optical ferrule mating surface, detecting scratches and dust that cause angular errors.

A rotational defect inspection apparatus uses coordinate transformation and signal filtering to separate pattern noise from actual defects.

A rotating inspection machine uses a movable support plate to hold containers during optical analysis.

A double-plus chain conveyor automates panel-bonding semi-finished product transport through synchronized test stations.

Depositing an opaque reference film eliminates underlying pattern interference, resolving unreliable defect detection in optical metrology.

An optical filter module isolates surface haze scattering signals from photoluminescence interference during material inspection.

Automated optical measurement of mixed fastener geometry replaces manual inspection, reducing waste by recertifying parts with acceptable dimensions.

Time-delayed illumination segments broadband radiation to resolve multi-layer structures, overcoming spectral resolution limits in small metrology targets.

Parallel slits in an elliptical mirror concentrator collect scattered light to detect 50 nm defects on both wafer faces within 30 seconds.