MicroMegas Mechanical Meeting --- Cern April 2014 Fabien Jeanneau

Goals and recommendations Goals of this meeting: Proposals and options for each step of the construction process Save time for discussions Decisions Recommendations: Reduced time for “news from the labs” Targeted information from the task groups Short presentations oriented for decision process Key points reminder by Mauro at the beginning of each session

Session schedule Panel construction Mesh stretching scenarios Components and construction Al foam studies Mesh fixation Gas distribution Mesh stretching scenarios PCB alignment and interfaces Detector assembly, deformations, interconnections Infrastructure and readiness status Layout and drawings Timeline to module-0 Components procurement 14 april 15 april * Decision needed: PCB layout deadline  end of april 2014

End of 2014 February March April May June July August Sept October Thermo-mechanical Simulations and Tests (Freiburg Measurements) Aluminium Foam Studies PCB Alignment Scheme Tests Panels Construction Full size prototypes Detector Assembly End of 2014 Mesh Type and tension Mesh fixation and deformations Gas Induced deformations PCB delivery On-chamber gas distrib. Cooling system Construction manual Design for large panels Drawings of FE boards Final Design Review Constraints from Alignment Final PCB layout Construction sites readiness review Start tendering process MODULE- 0 Construction Toolings Infrastuctures