Beryllium Window Assemblies
Description of Beryllium Window Assemblies
Mounting bare beryllium foil in‑house brings real risks: poor bonding, hidden vacuum leaks, and misalignment that spoil X‑ray data and trigger costly instrument downtime. Our pre‑fabricated beryllium window assemblies combine high‑purity beryllium foil with precision‑matched flanges, fully leak‑checked before shipment. Each assembly undergoes helium leak testing and surface inspection to catch micro‑defects at our facility, so your team avoids tricky on‑site bonding work. Built for synchrotron beamlines, X‑ray tubes and analytical detectors, they maintain strong X‑ray transmission while sustaining stable pressure differentials. Custom flange sizes are available for new builds or equipment upgrades. These assemblies hold up well under thermal cycling in demanding lab environments. Please follow standard beryllium safety guidelines for installation and maintenance. If you want to cut assembly‑related headaches and unreliable vacuum performance, our ready‑to‑fit units deliver consistent optical results for your critical systems.
Features of Beryllium Window Assemblies
1. Complete beryllium window mounting assemblies
2. Pre-sealed units for vacuum compatibility
3. O-ring or conflat flange options
4. Ready-to-install with leak test certificate
5. Wide aperture for high photon flux
6. Custom flange sizes for beamline fit
7. Helium leak rated at 10⁻⁹ mbar·L/s
8. Low outgassing for UHV environments
9. Includes protective transport covers
Applications of Beryllium Window Assemblies
Synchrotron radiation and free electron lasers: Act as X-ray exit windows in back-end vacuum pipelines, enduring high power beam currents and preserving beamline ultra-vacuum conditions.
Semiconductor inspection equipment: Act as vacuum chamber windows for X-ray lithography (EUV/XRL), permitting precision alignment and defect identification.
Neutron scattering devices: Serve as neutron guide end windows and detector entrance windows, providing low absorption and high voltage resistance.
Electron beam/ion beam systems: Serve as observation windows and beam diagnostic windows in high vacuum chambers to shield from magnetic fields.
Specifications of Beryllium Window Assemblies
Grade | Be1 |
Size | Accept Custom |
Purity | Be≥98.5% |
Diameter | 20-150mm |
Thickness | 0.02mm |
Density | 1.85 g/cm3 |
Shape | Round, Disc and Custom |
Surface | Polished, Black, Pickled, Bright |
Delivery Time | 15-20 days |
Standard | ASTM,GB |
Certification | ISO9001 |



