Optically Investigating Flaws/Contamination TRIZ Cases

Removing anti-blooming allows charge overflow to extend the defect sizing range by analyzing signals across multiple pixels.

Four optical blocks with mirror assemblies capture eight simultaneous views to detect marks on containers regardless of orientation.

Drive optics modify the point spread function to shift plasma emission from ultraviolet into a desired wavelength band, reducing component solarization.

Coplanar sensor and emitter surfaces enable visual focus checking via a reference figure, eliminating complex equipment and reducing installation time.

Acquisition circuit captures position and wavelength data from laser reflections on stationary structures to identify abnormal locations.

A laser detection device calculates surface inclination from reflected light to identify substrate defects.

Segmented light sources and a universal detector identify foreign body layers within displays, resolving precision versus complexity trade-offs.

Integrating an IR reference spectrum over a specific range determines surface impairment indicators, eliminating complex multi-step cleaning schedules.

Pulsed ultraviolet illumination synchronizes with detection thresholds to distinguish fluorescing waste from ambient light, reducing false positives.

Oblique front lighting suppresses glare and edge shadows to measure opacity and detect decoration defects on transparent media.

An adaptive inspection apparatus selects optimal imaging conditions dynamically to detect surface anomalies without manual setup.

Fluorescence spectroscopy identifies aromatic hydrocarbons in groundwater without chemical reagents, eliminating complex sample pretreatment procedures.

Spatially sensitive fibers determine the real-time location of visual inspection devices, resolving inconsistent diagnoses caused by subjective human analysis.

A camera calibration system positions an optical target within a viewing area using a drive mechanism.

Automated optical inspection replaces manual visual checks with image processing algorithms to detect scratches, cracks, and stains on mobile phone displays.

An inspecting device prevents false debris detection on glass substrates by absorbing penetrating laser beams through a specialized platform coating.

A terahertz system detects metallic particles in polymer sheets with high resolution.

A defect inspection apparatus uses a segmented single image sensor to capture parallel images from multiple light sources.

A wafer inspection system uses multiple measurement volumes with distinct interfringe distances to determine defect sizes via cross-checked visibility values.

Constant-frequency vibration shifts focal plane to resolve friction-induced deformation limits while expanding inspection range.

A multi-scale spectral imaging apparatus combines line-scan and angle-resolved optical systems to measure semiconductor targets.

Light diffusion analysis detects non-welded portions and insufficient width in packaging seams without physical contact.

Automated imaging device detects contaminants in the optical path and executes cleaning protocols, minimizing disruption to the imaging process.

An intermediary optical element corrects refractive index mismatch between the silicon carbide lens and silicon substrate, enabling high-resolution observation.

Multi-angle laser inspection differentiates deposits from convex defects, resolving precision complexity trade-offs in wafer evaluation.

A rotating facet mirror images object carriers onto an inspection device via coordinated opposite rotation.

A projection device expands light irradiation width across optical films using a reflection unit and image capturing unit.

A plasma light source uses laser ignition and electromagnetic coupling to generate high-brightness illumination without physical electrodes.

Heated control gas reveals hidden structural damage through thermal contrast, ensuring objective quality assessment without material harm.

A convex lens reflects visible light while transmitting laser beams to align optical paths on a single axis.

A hypercentric perspective projection system positions an aperture between the objective focal point and tube lens to extend depth of field.

Simultaneous field and pupil signal detection estimates structural parameters in semiconductor metrology.

A lithographic metrology method determines correction factors using shifted periodic structure measurements to compensate for field location dependence.

Magnets mounted on the track member restrain cutter knives against centrifugal forces, preventing premature ejection and reducing mechanical wear.

Near-infrared interferometry measures thermoplastic container wall thickness without precise axial positioning, enabling detection through dyed materials.

A counting disc device uses a linear illumination section and imaging path to detect sheet codes.

A convex parabolic and concave elliptical cylindrical mirror system reflects light beams to define coincident focal lines for oblique illumination.

Automated vision inspection detects door surface defects, preventing bad quality units from entering the assembly line.

Periodic driving of the liquid crystal panel enables automated defect detection by distinguishing internal defects from external foreign substances.

A microsphere condenses light onto a semiconductor substrate, enabling precise focal point adjustment that overcomes Rayleigh limits in spectral measurement.

A tyre inspection system uses elastic deformation and dual light sources to capture inner and outer surface images for defect detection.

A film inspection device uses a reflecting roller to support the film and stabilize its position during defect detection.

Asymmetric illumination angles enhance defect visibility by capturing scattered light, reducing optical noise to improve measurement precision.

Rotating PET preforms before high-speed cameras achieves all-round defect detection without reducing processing speed.

Backlit vision inspection detects residual tax stamps on spent carrier webs, preventing misapplied labels and avoiding regulatory fines.

An optical inspection system applies light at varying focus positions to capture intensity distributions for accurate defect shape discrimination.

A hybrid metrology apparatus combines EUV and longer-wavelength radiation to measure semiconductor structures with enhanced precision.

Telecentric illumination paths maximize light utilization, resolving contradictions between inspection quality and device complexity.