Lecce status Marco Panareo 9172020 Lecce 27062013 1

Lecce status Marco Panareo 9/17/2020 Lecce – 27/06/2013 1

Wiring robot parts procurements o Recycling parts from Mu 2 e prototype wiring robot: rotating axis, translation axis, torquemeter, e. m. friction, e. m. brake, digital microscope, monitoring system → done o New parts: winding drum → ordered o Wire trays transport system → design in progress o New mechanical supports → to be designed and machined 9/17/2020 2

Upgraded wiring robot microscope Wire spool Torque meter nose Torque meter Moving cart 9/17/2020 3

Wires o o Order placed: n 6000 m Al-Ag plated n 1500 m W-Au plated Ø Ø Ø 40µm (0. 0016”) 50µm (0. 0020”) 20µm (0. 008”) Delivery: End of September (unfortunately partial delivery not allowed) 9/17/2020 4

Mu 2 e prototype o o o Wiring: → completed Front-end and HV cards supports: → completed Gas envelope box: → in progress 9/17/2020 5

FE LE/BIMP o 2 stage gain FE n n o Distrete – Integrated Full Integrated o Used on all the prototypes (Pi, Le, Rm) L’impiego di un ulteriore stadio di guadagno è in fase di valutazione 9/17/2020 6

Mu 2 e prototype Front. End Cabling Sense wires alternatively : HRS FX 2 Series Twisted flat cable 68 contacts (signals/power) power Wire 9/17/2020 signals/power distribution Signals/gnd 7

Options for final DC FE o Differenti soluzioni per l’implementazione del FE sulla camera finale sono sotto studio n n o Kapton vs. FR 4 substrate Flat output cable vs. HDMI output cable FE/HV card for both sides reading Booster location La decisione sulla configurazione finale avverrà entro la fine dell’anno anche sulla base delle valutazioni fatte attraverso il prototipo FL 9/17/2020 8

Full length prototype o o System design: → in progress Wire board anchoring system: → conceptual design done Wire boards: → to be designed Spacers: → to be designed side B 9/17/2020 top view side A 165 240 9

Drift velocity, diffusion and ionization yield measurements o o o o Uniform E field (>1. 2 k. V/cm) between plates N 2 laser generate a single electron between plates Arrival times give precise determination of vdrift Variance gives longitudinal diffusion After that: Lateral diffusion, primary ionization Gas leakage tests and HV test are in progress Full working 9/17/2020 joulmeter optics target N 2 laser Fast trigger PMT xy table control 10

Impegnato 2013 o o Meccanica n Fili per prototipo n Motore passo n Tubo centrifugato n Carropattino n Tavolo per assemblaggio n Torsiometro, frizione, freno 34. 7 k 17. 4 k 2. 5 k 1. 8 k 2. 9 k 2. 0 k 8. 1 k Elettronica n Pcb prototipi n Componenti/cavi 3. 4 k 1. 6 k 1. 8 k 9/17/2020 11

Richieste 2013 - Wires o 40 μm Al wire: 2. 66 US$/m n o 50 μm Al wire: 3. 50 US$/m n o (1920 cells × 1 wire/cell+ 768 guard wires) × 2 m/wire + 30% = 7, 000 m or 24 spools × 300 m or 25, 200 US$ 20 μm W wire: 0. 88 US$/m n o (1920 cells × 4 wires/cell) × 2 m/wire + 30% = 20, 000 m or 60 spools × 333 m or 53, 150 US$ 1920 wires × 2 m/wire + 30% = 5, 000 m or 17 spools × 300 m or 4, 500 US$ Total: 82, 800 US$ × 0. 8 €/US$ × 1. 21 (IVA) + custom clearance and transportation (several partial deliveries) = 84 K€ 9/17/2020 12

The End 9/17/2020 13