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The new standard kilogram – A JOINT RESEARCH PROJECT FROM PTB AND HAUSER

In 2015 one of the biggest challenges in the history of HAUSER OPTIK and also an extremely exciting project started: The PHYSICALLY - TECHNICAL FEDERAL INSTITUTE (PTB), Braunschweig, has been developing the new Standard Kilogram, which shall replace the actual one, stored in Paris since 1889. The demands on the new Standard Kilogram, which will be manufactured from pure silicon, are extremely challenging, especially concerning the roundness (< 20nm) and the surface roughness (Ra < 0,1nm). HAUSER OPTIK is the only partner from PTB worldwide, which is involved in this project concerning the production of this silicon sphere.

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Exhibitor: J. Hauser GmbH & Co. KG

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