SRON, the Principal Investigator institute for the RGS, is responsible for
the procurement and
testing of the RGS CCDs, for the RGS Analogue Electronics (RAE), the instrument
Ground Support Equipment (EGSE), the RGS system engineering and the overall
instrument assembly, integration and verification.
The picture below is a top-view of the Engineering-Qualification Model of the RGS Focal Camera (RFC), showing the entrance slit, its door and opening mechanism (picture courtesy of SRON; see also the page describing Switzerland's contribution to the RGS).
Shown below is the interior of the RFC, displaying the CCD mountings (picture courtesy of SRON).
For further information and pictures of the RGS, see the SRON
XMM-Newton page