A light-emitting support behind a transparent sample holder boosts edge contrast, helping detect photovoltaic cell defects more accurately.
SEM-GDS image alignment, filtering, and genetic contour verification improve OPC model accuracy and reduce lithography pattern distortion.
Backside transmission light boosts edge contrast in photoluminescence measurement, enabling precise photovoltaic cell edge and defect detection.
Dual-source pump-probe SHG separates interface excitation from probing to distinguish defects and charge dynamics with lower optical damage.
Controlling airborne ions and organics in SPV testing stabilizes diffusion length and improves low-Fe measurement accuracy in p-type silicon wafers.
Laser scattering enables non-destructive evaluation of subsurface damaged layers and strain distribution in semiconductor substrates.
Simulation-based comparison of actual and varied scans pinpoints structural causes of semiconductor measurement deviations without destructive TEM.
Sequential oxidation and etching create surface haze patterns on silicon wafers for visual defect region identification.
A photoluminescence method uses an active base with a peripheral section to identify photovoltaic cell edges.
Optical system uses ultraviolet excitation and dichroic beam splitting to separate fluorescent signals from metallic layers for automated candidate defect identification.