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Publikováno v:
Metrology, Inspection, and Process Control for Microlithography XXXIV.
On product overlay (OPO) shrink is a key enabler to achieve high yield in integrated circuit manufacturing. One of the key factors to enable accurate measurement on grid (target) is the use of optimized overlay (OVL) mark design to achieve low OPO. T
Autor:
Ira Naot, Daniel R. Lewin
Publikováno v:
IFAC Proceedings Volumes. 28:203-208
A short-cut method for generating approximate plant-wide dynamic models using flowsheeting data is used in the diagnosis of potential control problems in a reactor-seperator-recycle process. Simplified analysis enables the positive feedback problem a