1. ITS-week CERN December 3, 2001 Michel Morel CERN EP/ED

3. PIXEL CARRIER & EXTENDERS (top view) ± 193 mm ladder1ladder2 70.72 mm Power supplies connector 1000mm Flexible Extender Data Controls Clk 12 mm Note: the drawing is not to scale Cu extender 1 Al pixel carrier CC 13 Pixel chipPixel detector R VTT Bias 1 13.9 15.5 Cu extender 2 Michel Morel EP/ED 03/01 Pilot MCM Bias 2

4. 1 2 3 4 5 6 READOUT CHIP PIXEL DETECTOR Aluminium Polyimide CARBON FIBER SUPPORT PIXEL BUS + DETECTOR AND READOUT CHIP CROSS SECTION 1 ANALOG_GND 25µ 2 ANALOG_ POWER 25µ 3 HORIZONTAL LINES 10µ 4 VERTICAL LINES 5µ 5 DIGITAL_POWER 25µ 6 DIGITAL_GND 25µ 7 RES + CAPA PADS 15µ 1 2 5 6 Glue COOLING TUBE 11mm 2mm 1.7mm Michel Morel EP/ED 05/2001 PIXEL_BUS 7777 SMD component Note: the drawing is not to scale

9. PIXEL_ CHIP_0 LADDER_0 COOLING TUBE PIXEL_BUS CARBON FIBER SUPPORT OPTICAL LINK X 3 PIXEL_CARRIER / PILOT / EXTENDERS DETAILS ASSEMBLING ( LONGITUDINAL CROSS SECTION VIEW ) CAPACITOR GOL Digital PILOT Analogue PILOT Laser Receiver + diodes EXTENDERS _CHIP_1 Michel Morel EP/ED 12/01

14. conclusions Prototype version A fonctionnel. Série de 200 pixel_carriers est réalisable au CERN. Prototype version B sera produite lan prochain.