Measurement and Measurement Theory Metrology in general and measurement theory in particular, have grown from various roots into fields of great diversity in the natural and social sciences, engineering, commerce, and medicine. Informally, and in its...

Metrology (from Greek 'metron' (measure), and 'logos' (study of)) is the science of measurement. Metrology includes all theoretical and practical aspects of...

Coordinate metrology is the science of making measurements in three dimensions. Metrology systems gather information about sample part features, analyze it, and then create a geometric model that can be checked against design specifications. Video-based metrology systems excel at this. Video measurement...

In my last article, I pointed out that metrology is an activity that concentrates on details. Making measurements is pretty easy, but making accurate measurements requires knowing what quantities and factors will influence the process, quantifying those influences and ensuring that they are accounted...

No need for pencils or notepads for the tests that KLA-Tencor gives.The chip equipment maker specializes in chip test equipment. In recent years, metal lines on chips have gotten so thin that they are fewer than a couple hundred atoms wide. Without careful design and...