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Semiconductor metrology is a specialized branch of measurement science that ensures the accuracy and precision of semiconductor manufacturing processes. The evolution of semiconductor technology, from early microprocessors to today’s highly advanced integrated circuits (ICs), has been driven by the demand for smaller, faster, and more efficient electronic devices. As semiconductor ...
One tool that can be used with high confidence is a 3D non-contact optical profiler such as the ZYGO Nexview, NewView, or ZeGage. These instruments utilize coherence scanning interferometry (CSI), which is ideal for quickly evaluating a three-dimensional region without damaging the surface. ...
This mobile sampling approach maximizes the use of each particle counter, and provides particle contamination information in real-time for improved process tool utilization. Unlike traditional surface scan test wafers, ISPMs characterize contamination in the individual baths being maintained. ...
Checking for the 2d barcode may be as simple as a visual check or as sophisticated as utilizing a device to scan the 2d barcode. The benefit of using a scanner over a visual check is that it leaves less room for error. ...
Existing analytical instruments and analytical techniques for evaluating nanoparticle concentrations cannot simultaneously provide morphology, state of agglomeration, surface area, mass, size distribution and chemical composition data critical to making occupational health assessments. This research utilized scanning electron microscopy and thermogravimetric ...