Monitor Etch Defects on Dies in the Outer Regions Of The Wafer Using ISR


A technical paper titled "Detection of defective chips from nanostructures with a high-aspect ratio using hyperspectral imaging and deep learning" was published by researchers at Samsung Electronics. Abstract: "We have developed an imaging spectroscopic reflectometry (ISR) method based on hyperspectral imaging and deep learning to detect defects in the bottom region of high-aspect-ratio nan... » read more

High-throughput LHSI Reflectometry Technique For ICU and IWU Measurements of Semiconductor Devices


New technical paper titled "Toward realization of high-throughput hyperspectral imaging technique for semiconductor device metrology," from researchers at Samsung Electronics Co. Abstract "Background: High-throughput three-dimensional metrology techniques for monitoring in-wafer uniformity (IWU) and in-cell uniformity (ICU) are critical for enhancing the yield of modern semiconductor manu... » read more