First 12 Wafers – Different

First 12 Wafers – Different

First 12 Wafers – Different

HALF WAFERS DEFECT - Semiiconductor Wafer Macro Defect Image - 1

Occasionally half of the semiconductor wafers in a lot that are inspected are a different color. Note in the example above, the semiconductor wafers in slot 1-12 were flagged as being different from the remaining semiconductors wafers.