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System for controlling an overlay, method for controlling overlay, and method for manufacturing a semiconductor device
System for controlling an overlay, method for controlling overlay, and method for manufacturing a semiconductor device
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机译:用于控制覆盖物的系统,用于控制覆盖物的方法以及用于制造半导体器件的方法
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摘要
A system for controlling an overlay includes a processing data receiving module receiving a processing data string describing a name of an exposure process for a target layer and an original control set value of overlays between the target layer and underlying layers below the target layer; an inspection data receiving module receiving inspection data strings describing names of inspection processes and inspection values determined by the inspection processes inspecting respective overlays between the target layer and the underlying layers; a data combining module combining the processing data string and each of the inspection data strings using a combining condition table so as to create a correction data table; and a control set value calculation module calculating a corrected control set value based on the inspection values of the correction data table.
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