Wafer Edge Discoloration

EDGE Discoloration - Semiconductor Wafer Macro Defect Image - 1
EAGLEview image of a semiconductor wafer with a discoloration macro defect on the edge of the wafer

Above is an example of a semiconductor wafer macro defect detected near the edge of wafer identified as discoloration.

EDGE Discoloration - Semiconductor Wafer Macro Defect Image - 2
Image taken by EAGLEvview of a large discoloration macro defect on the edge of the semiconductor wafer

EAGLEview detects a variety of macro defects near the edge of the semiconductor wafer including discoloration.