What is Notch?
A small cut in a wafer's edge that indicates its crystal orientation. Used on 200 mm and larger wafers; smaller wafers used an orientation flat (a straight edge) instead.
Field: Silicon wafers
Notch in the explanations
A notch is a V-shaped cut about 1 mm deep on the wafer edge marking the crystal orientation (for example, the <110> direction).
What is the main role of the notch (small cutout) on the ed…
Questions that mention Notch (1)
Related terms
Crystal orientation Mobility Czochralski (CZ) method DZ (denuded zone) FZ method (float zone) Gettering Ingot MCZ method (magnetic-field-applied CZ) Monitor wafer Necking