SPECS 2D-CCD, User Manual

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Manual V2.docx | Status 10.12.2015 | Version 1
2.2 Degassing the Ferrum detector
Degas the evaporator and the scattering crystal as described in the Focus Ferrum Detector
manual.
2.3 Fitting the CCD camera
The CCD camera is mounted in a camera holder that clips onto the viewport on the detector. The
camera is aligned at the factory before installation, and only small adjustments need to be
performed. "Camera Alignment" in the Appendix describes the complete alignment procedure,
including how to perform any fine adjustments that may be necessary.
Fitting the alignment camera 2.4
The alignment camera is mounted in a camera holder that clips onto the viewport on the
base flange of the CCD/deflector/rotator part.
Degassing the detector 2.5
For degassing the electron multiplier in the spin detector, please refer to the Focus Ferrum Spin
Detector manual. The following describes the procedure for degassing the CCD detector.
The CCD detector contains micro-channel plates (MCPs) that need to be slowly ramped up to their
operating voltages. You can do this with SpecsLab Prodigy. This procedure should be performed
after you have vented and baked the detector.
Caution!
If there are sudden flashes with unexpected structures, there may be a malfunction. In this case,
abort the degas procedure and contact SPECS service.
Caution!
The MCP will be damaged by excessive voltage.
See the test report for the maximum allowable voltage on the MCP (Udet)!
Note
During the first few days of operation of a new detector, it is recommended that high output
currents are avoided (i.e. inputs above 1 Mcps). Taking this initial burn-in precaution can prevent
premature failure.
To degas the detector: