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The GCA AS200 AutoStep is a 5x reduction, i-line, step-and-repeat exposure tool used for patterning photoresist
coated wafers. It can handle samples up to 150mm in diameter and can pattern feature sizes down to 0.5 microns. The light intensity for the GCA stepper is 300 mW/cm2 at 365 nm. See the Lithography Handbook
page for more information on lithography/exposure times.
Reticle Alignment Marksalignment marks