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Figure 3
A simplified CAD model of the OPIS device. A 0.7 m-long CF 150 tube constitutes the body of the μ-metal vacuum chamber (green) of the instrument. Four CF 63 vacuum ports at angles of 54.7° with respect to the horizontal plane as well as one vertical CF 63 port contain the electron and ion time-of-flight spectrometers. Additional ports are provided for gas inlet tubes and pressure gauges. The system is pumped by a turbomolecular pump with a pumping speed of 300 l s−1 attached to the end of the chamber.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 23| Part 1| January 2016| Pages 10-20
doi:10.1107/S1600577515022675
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