ADC produces beryllium window assemblies that incorporate state-of-the-art bonding of beryllium to OFHC copper. These assemblies typically include TIG-welded lengths of stainless steel pipe and vacuum flanges.
Better beryllium foil surface finish and/or customization is available upon request.
Standard Surface Finish: is ~ 1.0 micrometer Ra
Vacuum Tested: Better than 5 x 10 –10 torr
Leak Rate: Less than 2 x 10 –10 mbar-l / Sec
Beryllium windows can be ordered with different configurations.
Available Window Sizes:
4", 6," 8", 10"
Duracoat, Boron Nitride, or no coating
Customer specifies window opening length and width in millimeters (mm), as well as beryllium thickness in microns (um).
See example below:
To order a 10 Inch Beryllium window, with an opening length of 10mm, an opening width of 40mm with a beryllium thickness of 250 microns, and a baron nitride coating, the part number would be: