Technical specifications
Angular range
Up to 360 degrees (support columns will block some angles)
Aperture size
Customized
Angle between foils
From 0.25 degrees to several degrees
Foils
80-125 µm thick Gadolinium Oxide or Boron-10 coated PETP or Kapton Foil
Spacers
Aluminum with thickness determined by collimation requirements
Covers
Open apertures are delivered with thin protective aluminum covers
Common options
Coatings can be various alternative materials
The frame may be coated with absorbing material
Vacuum compatible parts and coatings can be furnished
Extra dense foil coatings may be furnished for lower resolution collimators to limit cross-talk.
Non-magnetic materials
Fixtures and lifting positions