1. RINDEL Emmanuel – IPNO – Detector Dpt. – 19/10/2011APRIME HPS collaboration meeting 1/9 Ecal and vacuum chamber design Unité mixte de recherche CNRS-IN2P3 Université Paris-Sud 11 91406 Orsay cedex Tél. : +33 1 69 15 73 40 Fax : +33 1 69 15 64 70 http://ipnweb.in2p3.fr

2. RINDEL Emmanuel – IPNO – Detector Dpt. – 19/10/2011APRIME HPS collaboration meeting 2/9 Top crystals block Bottom crystals block 4 assembly 46 crystals frame on each bloc 1 assembly 24 crystals frame on each bloc 1 assembly 13 crystals frame on each bloc Steel sheet glued on aluminum frames Support crystals Frame design

3. RINDEL Emmanuel – IPNO – Detector Dpt. – 19/10/2011APRIME HPS collaboration meeting 3/9 Reinforcement beam Screws for rigidity Positionning pinsExternal Support parts Screws that link aluminum support plate and the crystals frames Detail of Top assembly frame

4. RINDEL Emmanuel – IPNO – Detector Dpt. – 19/10/2011APRIME HPS collaboration meeting 4/9 Copper plate and its cooling tube Connector for APD wires Mother board Connection board Preamplifier and its flexible kapton Cut view of crystals + PCB Connection board outlet Rails for pramplifiers sliding PCB and preamplifier mecanic design

5. RINDEL Emmanuel – IPNO – Detector Dpt. – 19/10/2011APRIME HPS collaboration meeting 5/9 Copper plate with tube d8xd6 Aluminum plate with aluminum tubes in front of the crystals Brass tubes d4 x d3.2 between vacuum chamber and crystals Copper plate and cooling tubes between crystals and electronic Cooling system

6. RINDEL Emmanuel – IPNO – Detector Dpt. – 19/10/2011APRIME HPS collaboration meeting 6/9 Conventions of colors: Red =copper; pink=insulation foam; blue =PVC frame beije=pvc plates (except the chamber) ;dark grey = Aluminum ) Cut view of the assembly The box is composed of 3 layers : 1 )Copper plates + tubes for cooling system 2 ) Foam for heating insulation 3 ) PVC +Kapton for Nitrogen sealing (avoid dew point)

7. RINDEL Emmanuel – IPNO – Detector Dpt. – 19/10/2011APRIME HPS collaboration meeting 7/9 Optic fibers Part for intermediate copper plate and PCB fixation (only top part represented) Vacuum chamber Sheet of Kapton glued on pvc frame for gaz sealing at the font of the Ecal and in front of the vacuum chamber to minimize the Gap Cut view of the assembly

8. RINDEL Emmanuel – IPNO – Detector Dpt. – 19/10/2011APRIME HPS collaboration meeting 8/9 Support 4 support parts adjustable for each block 3 targets for survey on each bloc Cable tray ? Cooling and gas lines ? Supporting and independant adjustment of Top and bottom Ecal

9. RINDEL Emmanuel – IPNO – Detector Dpt. – 19/10/2011APRIME HPS collaboration meeting 9/9 welding Front flange Back flange Chamber Aluminum honeycomb pillar Vacuum chamber Details to discuss with Mike Zarecky