XMM Users' Handbook

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EPIC pn chip geometry

The pn chip array is a camera based on a single wafer with 12 CCD chips on it. The pn chip array numbering scheme, the individual chip coordinate frames and the directions of the detector coordinates are displayed in Fig. 17.


  
Figure 17: Sketch of the numbering and coordinate system definitions within the EPIC pn camera.
\begin{figure} \begin{center} \leavevmode \epsfig{width=0.9\hsize, file=figs/plane2ccd.pn.eps} \end{center} \end{figure}


European Space Agency - XMM Science Operations Centre