Surface Science 8822 UHV Electron Multiplier and 2502 Detector - Broken plates

Surface Science 8822 UHV Microchannel Electron Multiplier Sensor - Broken plates.

This is an electron multiplier for an X-ray electron spectrometer For SSX XPS System.

High vacuum flange is 4.5 inches, comes with the bronze gasket included.

Semiconductor plate is broken, would need a replacement. Otherwise it is in good condition.

Condition is For parts or not working.