Keywords: Original chip holder and waveguide (5940495983).jpg 1989 Original chip holder and waveguide that delivered microwave power to early 10-volt standard chips From the History of NIST Quantum Voltage Standards Credit Hamilton and Benz/NIST 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/5940495983/ Original chip holder and waveguide 2005-08-05 00 55 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 N06/5940495983 2016-09-07 02 36 14 United States Government Work Uncategorized 2016 September 28 |