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Proposal for Microstation Prototype

This proposal outlines the design constraints, state of play, concept, deployment, and roadmap for the Microstation prototype at CERN. It also includes the project team, steps, and budget for the development of the prototype.

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Proposal for Microstation Prototype

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  1. Proposal for Microstation Prototype Jaak Lippmaa CERN 2005

  2. Microstation Advantage • Lightweight design • Directly mounted on beam pipe • Detectors can be positioned close to beam • Dynamic alignment of detector planes • Redundancy provided by clustering • No heat dissipation

  3. Design Constraints (ATLAS) • Outer dimensions max. diam. 190 mm • Weight M < 1 200 g • Transparency to particles materials selected for minimum radiation/absorption • Magnetic field 0.2 T < B < 0.4 T • Vacuum: 10-11 atm, dynamic vacuum preservation • RF-impedance < 30 mW/microstation • Max. temp during bake-out mS chamber 200oC, detector 150oC • Radiation environment < 10 Mrad/year

  4. Microstation State of Play • Vacuum chamber development completed • Heat exchanger development completed • Three modes of operation • Detector positioning mechanics design • Position feedback monitor not completed • Detector & readout not completed • R&D stopped (lack of funding)

  5. Microstation Concept

  6. Microstation Mounting

  7. Microstation Cluster

  8. Microstation Mechanics

  9. Microstation Secondary Vacuum Option Support Detector bellows rf fitting Detector Detector frame Detector frame cavity • Motor holder • -stiff contact with motor • stiff contact with support • loose contact with secondary vacuum wall Secondary vacuum wall

  10. Microstation Deployment • Proof of concept • Assembly of working prototype • Develop MS technology suitable for many environments • Extend MS technology to general detection platform

  11. To Do List • Selection of testing environment for the prototype • Selection of detectors • Selection of readout electronics • Selection of mounting • Free on beam pipe • Separate stand

  12. Roadmap to Überstation MSP Mark I • Proof of concept at Fermilab • Beam tests finished by May 2006 MSP Mark II • Real detectors and readout integrated • Beam tests Q1, 2007 (Fermilab/LHC) MSP Final • Assembled μS-s ready for FP420 deployment in 2008

  13. Project Team Needs Expansion • Finnish team (vacuum, cryo, positioning) • Jaak Lippmaa • Timo Luntama • Juha Kalliopuska • Detectors • Open for partners... • Readout • Machine specific (time constraint)

  14. Project Steps 1. Fix the physical design of the working prototype according to machine parameters. Preparation of the technical drawings, etc. (FT) 2. Vacuum chamber with feed throughs and emergency actuator for vacuum tests (FT) 3. Study of thermal issues of the detector frame connections (FT) 4. Component subprojects (FT) 4.1. Heat exchanger 4.2. Position detector 4.3. Rf-interference analysis (FP & machine) 4.4. Radiation & vacuum hard insulator and support for detector power cables (FP & machine) 4.5. Sensor assembly and testing 5. Assembly of a technically fully functioning prototype (FT) 6. Laboratory tests (FT, Kumpula and on test site) 6.1 Outgassing 6.2 Vacuum tests 6.3. RF impedance and pick-up tests 7. Development of electronics (To Be Decided) 7.1. Detector 7.2. Hybrid 7.3. E to light converter (According to Roman Pot design) 8. Development of internal NEG vacuum pump 9. Machine interface - beam tests 10. Microstation / cluster alignment vs beam position

  15. Budget • Personnel cost ??? • Travel ??? • Components ??? • Manufacturing items ??? • Laboratory costs ??? • On-site costs ???

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