Dimensional nanometrology at the National Physical Laboratory
2008
The growth in nanotechnology has led to an increased requirement for traceable dimensional measurements of
nanometre-sized objects and micrometre-sized objects with nanometre tolerances. To meet this challenge NPL has
developed both purpose built instrumentation and added metrology to commercially available equipment. This paper
describes the development and use of a selection of these instruments that include: atomic force microscopy, x-ray
interferometry, a low force balance, a micro coordinate measuring machine and an areal surface texture measuring
instrument.
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