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Feng Zhang
at National Institute of Metrology
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Publications (2)
Proceedings Article | 15 November 2017 Paper
Optical measuring system for the geometrical parameters of Rockwell and Vickers diamond hardness indenters
Liqiong Zhang, Yuanyuan Cui, Feng Zhang
Proceedings Volume 10605, 106054D (2017) https://doi.org/10.1117/12.2296350
KEYWORDS: Diamond, Calibration, Microscopes, Beam splitters, Interferometry, Geometrical optics, Standards development, Objectives, Spherical lenses, Projection systems
Proceedings Article | 16 November 2011 Paper
The Rockwell hardness primary national machine according to the new international definition
Li He, Feng Zhang
Proceedings Volume 8321, 83211I (2011) https://doi.org/10.1117/12.904619
KEYWORDS: Standards development, Metrology, Beam splitters, Switches, Servomechanisms, Control systems, Sensors, Control systems design, Laser systems engineering, Photonic integrated circuits
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