A United States Environmental Protection Agency (“EPA”) Administrative Law Judge Christine Donelian Coughlin (“ALJ”) interpreted the Resource Conservation and Recovery Act (“RCRA”) term “manufacturing ...
Even after 20 years or so, process control continues to be a confusing or misunderstood technology. A short description of process control is an accurate one—It’s a means of controlling manufacturing ...
If there is a consistent thread that runs through the history of manufacturing, it is this: A continuous and committed search for tools and techniques that facilitate greater automation, precision and ...
Overlay control based on DI metrology of optical targets has been the primary basis for run-to-run process control for many years. In previous work we described a scenario where optical overlay ...