[Innovation] – Codex International fully committed to « Lead free materials”
24 novembre 2022
The RoHS concept (Restriction of the use of certain Hazardous Substances) since 2006, requires that many electrical and electronic equipment must no longer contain a concentration by atomic weight of more than 0.1% of Pb, Me, Cr (hexavalent) etc…
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[Ultra High Vacuum] – The importance of a Sapphire viewport in a HV or UHV
23 février 2020
It is vital for the procedure in-situ to be observed in many high vacuum and ultra-high vacuum (HV/UHV) processes. The challenge is that any optical component must penetrate the hermetically sealed chamber but not compromise the quality of the vacuum.
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