JM GAUTIER WG8 FAZIA-DAYS 3-4-5 October 2007 Page 1

LPCLaboratoire de Physique Corpusculaire

CAEN

Points to discuss

DESIGN

JM GAUTIER WG8 FAZIA-DAYS 3-4-5 October 2007 Page 2

LPCLaboratoire de Physique Corpusculaire

CAEN

Isolating part (16)

MODIFICATION of the PROTOTYPES (LNL/GANIL)

JM GAUTIER WG8 FAZIA-DAYS 3-4-5 October 2007 Page 3

LPCLaboratoire de Physique Corpusculaire

CAEN

C4B806

C4A876

C34568

C22384

C11340

22*22

44*44

95% 97% 98% 95% 93%

22*22(89%)

44*44(94%)

85%

89%

86%

91%

87%

92%

85%

89%

83%

87%

44*44 ~ 90%

Overall detection solid angle

Gap between telescopes

Dead zones around Si0.6mm

Taking into account

22*22 ~ 86%

JM GAUTIER WG8 FAZIA-DAYS 3-4-5 October 2007 Page 4

LPCLaboratoire de Physique Corpusculaire

CAEN

C1

C2C3

C4AC4B

Gap between Telescopes

TELESCOPES arrangement

JM GAUTIER WG8 FAZIA-DAYS 3-4-5 October 2007 Page 5

LPCLaboratoire de Physique Corpusculaire

CAENBonding

Flexible Kapton

Tunnel 0.5

Forward SiBackward Si

Possible mounting 40*40

Dead Zone

JM GAUTIER WG8 FAZIA-DAYS 3-4-5 October 2007 Page 6

LPCLaboratoire de Physique Corpusculaire

CAEN

Preamplifiers

1m long

Question:Could we separate the electronics board?

JM GAUTIER WG8 FAZIA-DAYS 3-4-5 October 2007 Page 7

LPCLaboratoire de Physique Corpusculaire

CAEN

Bonding wires on 0.5mm section

? WG5

Dimensions telescopes ? WG7

Electronics board Specifications ? WG3

Physics specifications ? WG2

SPECIFICATIONS

JM GAUTIER WG8 FAZIA-DAYS 3-4-5 October 2007 Page 8

LPCLaboratoire de Physique Corpusculaire

CAEN

OVERALL ELECTRONICS BOARDS

JM GAUTIER WG8 FAZIA-DAYS 3-4-5 October 2007 Page 9

LPCLaboratoire de Physique Corpusculaire

CAEN

BASIC BLOCK

Cooling ring

Backwards dismantling

SUGGESTION:Make a complete basic block

JM GAUTIER WG8 FAZIA-DAYS 3-4-5 October 2007 Page 10

LPCLaboratoire de Physique Corpusculaire

CAENAluminium λ=120W/m.K

Cu λ=400 W/m.K

Epoxy FR4 λ=0.3 W/m.K

Thermal load on the 2 faces of each electronics board.(Simulation of theAluminium drain)

Heat Convection 15°C

THERMAL CALCULATION