Problem svgcoat SNF 2011-09-25 17:49:04: Poor uniformity of 7 um SPR220-7
vilanova at snf.stanford.edu
vilanova at snf.stanford.edu
Mon Sep 26 08:43:38 PDT 2011
Found all the dummy wafers Full of thick resist residues , cleaned them up, and cleaned nozzle, Cleaned up catch cup,. and run + Cycled
Thick Resists Programs , All of m ywafers Came out Fine, Uniformity
Looks Fine, All Operations Are ok, Ready to use.
IF USERS KEEP RUNNING THE SAME DIRTY WAFERS OVER AND
OVER AGAIN THE UNIFORMITY RESULT ( ON THE DUMMY WAFERS)
WILL LOOK AWFUL. .
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