Keywords: Precision Engineering Metrology of Small Holes (5940488905).jpg NIST researchers and collaborators have developed a new method for measuring the interior dimensions of small holes with an uncertainty of only 35 nanometers Here a glass probe is inserted into an optical ferrule a device for connecting optical fibers used in communications systems Courtesy of National Institute of Standards and Technology Disclaimer Any mention of commercial products within NIST web pages is for information only; it does not imply recommendation or endorsement by NIST Use of NIST Information These World Wide Web pages are provided as a public service by the National Institute of Standards and Technology NIST With the exception of material marked as copyrighted information presented on these pages is considered public information and may be distributed or copied Use of appropriate byline/photo/image credits is requested https //www flickr com/photos/usnistgov/5940488905/ Precision Engineering Metrology of Small Holes 2005-06-02 14 29 https //www flickr com/people/63059536 N06 National Institute of Standards and Technology PD-USGov National Institute of Standards and Technology https //flickr com/photos/63059536 N06/5940488905 2016-09-07 02 36 26 United States Government Work Uncategorized 2016 October 30 |