Menu
The calotest, also called ball crater method, is a simple, though destructive technique, to measure the thickness of a single or several layers on a substrate in the 100 nm - 50 µm range, with a ± 5% tolerance. The technique can be applied to planar, spherical and cylindrical samples.
Disclosure obligations for public disbursements: State aid and de minimis aid received by our company are contained in the National Register of State aid pursuant to art. 52 of Law 234/2012 to which reference is made and which can be consulted at the following link: link
