The 1 cm squared microchip used for NIST’s Johnson Noise Thermometry work, fabricated at the Boulder, Colo., campus.
NIST has recently made substantial improvements to its Johnson-noise thermometry system, which is playing a vital role in the worldwide effort to determine the value of a key physical constant in time for the impending redefinition of the International System of Units (SI) in 2018. The system is now capable of yielding statistical uncertainties 10 times smaller than its
Silicon Valley-based test equipment specialist will offer more inventory and services with world-class customer support Hayward, CA: 18th October 2011: MetricTest has been acquired by Microlease, the leading test equipment rental and asset management organization […]
PTB-News 1.2024 – Following a successful pilot phase, accredited calibration laboratories will be able to apply for the digital calibration symbol starting in late March 2024 and thus provide digital proof that they are accredited. […]
PTBnews 03.2021 — In collaboration with an industrial partner, PTB has developed and assessed a very compact wavelength standard. This standard is based on a diode laser whose frequency is stabilized to transitions of the […]
