Using Optical Means TRIZ Cases
- Position Measuring Device Free-Space Optical Coupling
Free-space optical coupling eliminates mechanical waveguide connections in a position measuring device, reducing tilting errors and structural size.
- Lithography Mask Inspection System Edge Detection
Separate optical units detect mask edges through the placement table, resolving depth of field issues for accurate inspection.
- Movable Sensor Positioning for Accurate Object Capture
A movable sensor captures objects by determining precise position values at specific capturing time points.
- Triangulation Profilometry Defocusing Pixel Discretization
Defocused imaging spreads luminous lines across multiple pixels, reducing non-physical artifacts in surface profiles without compromising lateral resolution.
- Handheld Laser Distance Meter with Dynamic Deflection Unit
A handheld laser distance meter uses a deflection unit to pivot the measurement axis for precise targeting.
- Self-Leveling Road Sensor Using Plastic Compression
Plastic compression adjusts the sensor depth to avoid pavement damage while maintaining measurement precision.
- Hybrid Telecommunication Cable Segmented Sensing Core
Segmenting sensing fibers from the data core resolves bandwidth reduction caused by distributed acoustic sensing techniques.
- Glass Plate Shape Prediction Using Universal Inspection Stand
Computer program predicts glass plate shape on four-point stands from three-point universal inspection data using weight distribution patterns.
- Full-Field OCT Imaging of Moving Samples via Motion-Induced Phase Shifts
A full-field OCT system acquires temporal interferometric signals to construct 3D images from moving in vivo samples.
- Semifinished Prism Orientation Measurement Using Large-Angle Specular Reflection
A measuring device directs a test beam onto an unpolished prism face to capture the reflected image for orientation analysis.
- Coordinate Measuring Machine Calibration Using Semiconductor Masks
Using a semiconductor mask on a three-point support eliminates costly special calibration plates and reduces device complexity for precise measurements.
- Optical Metrology Parameter Constraint for Small Measurement Box
Constraining illumination wavelength and incidence angles reduces diffraction effects, enabling sub-30 μm measurement boxes in semiconductor manufacturing.
- 3D Measurement Camera with Self-Identifiable Marks for Image Coverage
A single camera photographs objects using self-identifiable marks to group and count image coverage for three-dimensional measurement.
- Film Thickness Measurement via Wavelength Domain FFT
A wavelength domain spectrum converts to an optical path difference spectrum using fast Fourier transform for film thickness detection.
- Handheld 3D Scanner Using Uncoded Infrared Pattern and Stationary Reference
A handheld scanner uses uncoded infrared light and a stationary reference pattern to determine three-dimensional coordinates.
- Diffractive Optical Elements for Structured Light Intensity Accuracy
Two-dimensional diffractive optical elements generate one-dimensional light patterns to form aggregate structured illumination.