Test gas-box for Micromegas panels and changes in mechanics

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Presentation transcript:

Test gas-box for Micromegas panels and changes in mechanics P. Colas, M. Riallot, F. Sénée CEA DAPNIA Saclay October 21, 2007 LC-TPC Meeting, Fermilab

Cover for the test chamber (Cornell version)

Cover for the test chamber (Saclay version)

‘Le joint français’ (so-called French-O-ring) or Hutchinson O-ring Recommended by the specialists of O-rings

This edge straight

Conclusions 3 small modifications would make much easier the machining of the panels, the web and the test boxes. An elegant, simple and robust solution is proposed for the O-rings.