November 24th, 2005 OPERA General meeting 1

CS facility

A. Ariga, M. Kazuyama, S. Hiramatsu

Nagoya University

OverviewIntroduction of components

November 24th, 2005 OPERA General meeting 2

CS barrack in Hall B

November 24th, 2005 OPERA General meeting 3

CS facility

Refresh

Packing

Clinching

top floor : CS production facilitybottom floor : CS development facility

Loading to CS box

November 24th, 2005 OPERA General meeting 4

CS Facility status• Refresh Chamber HIRAMATSU

– COMPLETED in underground in July

• Packing machine KAZUYAMA– 3/3 system COMPLETED in lab– Demonstrated in Nagoya emulsion workshop

• Clinching equipment HIRAMATSU– 2/2 COMPLETED in lab– Demonstrated in Nagoya emulsion workshop…

• Emulsion film (conventional gels)– first batch film was shipped from Tono on Sep 22nd.

November 24th, 2005 OPERA General meeting 5

CS Facility ScheduleNov 18th 28th～

all equipment shipping to LNGSStart to construction

Dec construction & test 　　　 emulsion shipment 25%

Jan test operation & feedbackFeb operation start

emulsion shipment 25%Mar

Production capacity 2800 CS / day (1 CS refresh) 1400 CS / day (2 CS refresh)

today

November 24th, 2005 OPERA General meeting 6

Refresh & chamber construction

S. Hiramatsu, A. Ariga

November 24th, 2005 OPERA General meeting 7

Barrack drawings

Refresh Room Completed

Packing room

Clinching roomtop floor : CS production facilitybottom floor : CS development facility

Packing system construction will startfrom next week.

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Chamber construction 22/07/05

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Chamber construction 22/07/05

November 24th, 2005 OPERA General meeting 10

Refresh Chamber in CS Barrack

Heater

humidifier humidifier

Chamber1 Chamber2

Electric fan

Sensor(temperature,humidity)

outlet

November 24th, 2005 OPERA General meeting 11

Good collaboration in 1st construction ,July

• Japan

– Nagoya Ariga, Hiramatsu

• Italy

– Salerno Chiara,Fulvio

– Rome G.Rosa(Barrack) Romolo, Paola

– Bari Vito

– Bologna Emilia, Claudia, Luigi

• Turkey

– Ankara Murat

Many country collaborators contributed!!Thanks a lot !

November 24th, 2005 OPERA General meeting 12

Test Running• 30 films inside chamber.• Temperature : 27℃• Humidity : more than 98%• Sensitivity GD (8/16 Okazaki UVSOR electron beam ~100MeV)

– Ch1 35.2 +- 0.9 grains / 100 micron– Ch2 36.2 +- 0.9– reference 35.4+- 1.2

• Fog Density– Ch1 2.3 +-0.2 grains / 1000μm3

– Ch2 2.2 +-0.2– reference 1.7 +- 0.3

• No damage from GS environment.

November 24th, 2005 OPERA General meeting 13

Packing system

M.Kazuyama

November 24th, 2005 OPERA General meeting 14

Packing system

Air Bag(press sealer)

Sealer

1.Insert CS doublet to support

2. Close

Vacuum

Seal3. FINISH!

Seal here

Support(Hold CS doublet)

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Into CS doublet

Laminated pack

sealed

150mm

140mm

110mm

…Production by company

November 24th, 2005 OPERA General meeting 16

CS doublet in laminated pack

And set into Packing system

Close

Vacuum

Seal

Leak

Open

Next step to clinching

Auto sequence

~15 sec

Manual sequence

Manual sequence

Sequence of Packing system

November 24th, 2005 OPERA General meeting 17

Clinching system

S. Hiramatsu

November 24th, 2005 OPERA General meeting 18

Longitudinal-clinchingLateral side-clinching

Clinching system

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Clinching equipment 1

2 3

set CS

heaterclinching and heat

November 24th, 2005 OPERA General meeting 20

Clinching system

• Last page photo is prototype.

• I can success to put into CS box with prototype.

• Real machines are more durable system.

• 3 lateral, 3 longitudinal machines were made.

• Last Friday, sent from Nagoya to here.

November 24th, 2005 OPERA General meeting 21

Emulsion shipment

November 24th, 2005 OPERA General meeting 22

CS Film Shipping

25 non refreshed film Boxeswere Shipped, Sep 22nd

= 25 box × 2000 films= 50000 film= 25 %

In the future, we will send films for CSat the same timing of refreshed filmsshipment from Tono mine.

November 24th, 2005 OPERA General meeting 23

Summary

• 1st construction (July) finished successfully.

• Start to 2nd construction from next week.

• We can provide refreshed film from the middle of December.

• Mass production can start from February.

November 24th, 2005 OPERA General meeting 24

November 24th, 2005 OPERA General meeting 25

November 24th, 2005 OPERA General meeting 26

Fog up check by heatingx ： 12V 35A ～ 1secy: 8.4V 44A ～ 0.5sec

2.1±0.3(reference)1.9±0.3

2.1±0.3 2.2±0.3 2.3±0.3

2.3±0.3

Non effect by heating!

November 24th, 2005 OPERA General meeting 27

CS doublet connectionshift value CS(U) to CS(D)

CS

Cosmic ray

Exposed Time

Shift in X

Shift in Y

Method

by

CS1 1min -40 64 Drill

CS2 5min -108 -186 Drill

CS3 20min -147 -281 tracks

CS4 1min -161 -198 Drill

CS5 5min -40 -80 tracks

CS6 8h35min 227 -92 tracks

Mechanical ShiftBetween doublet wasAround 0.1-0.3mmBy realistic packing machine

Feeling is well less than 0.5mm

Unit in micron