SEMI P18 : 1992(R2004)
Current
Current
The latest, up-to-date edition.
SPECIFICATION FOR OVERLAY CAPABILITIES OF WAFER STEPPERS
Published date
01-12-2013
Definitions for overlay capabilities of wafer steppers are established, consistent with the primary application of wafer stepper (i.e. manufacture of very large scale integrated circuits). Included also are definitions for associated parameters: exposure field, registration, alignment and good fields.
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