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En-Vision

En-Vision is a new generation inspection system specifically targeting quick and non-destructive detection of nm scale buried defects. Buried defects are located under the silicon surface, invisible to conventional inspection tools (Optical / SEM), and when occurring in the active areas impact device performance and yield.

Features and System specifications:

•Inspected area:

•Product wafers

•Measurement boxes

•In device

•Blanket and monitoring wafers

•Defects being detected: Buried extended defects (Dislocations, Oi precipitates, COP, Stacking faults and so on)

•Detection limit based on BMD detection of Oi precipitate defects

•Data Acquisition:  

•Image segmentation (measurement box and device area)

•Die to die inspection

•Image stitching (larger FOV)

•Data Analysis: 

•Statistical tools

•Defect classification

•Batch / Lot Reprocessing

•Data Output: SECS GEM, KLARF, Export