EP/ED group meeting1 ALICE PIXELS DETECTOR
EP/ED group meeting2 SECTOR Pixel bus Pilot MCM
EP/ED group meeting3 SECTOR
EP/ED group meeting4 PIXEL_BUS & PILOT MCM (right side) PIXEL BUS MCM Signals Analogue power Analogue ground 300µ digital power Digital ground Pixel readout chip Pixel detector Detector bias
EP/ED group meeting5 Pixel bus (version B) cross section Glue 5µ Kapton 8µ 1) AGND 50µm 2) VDDA 30µm 3) Horizontal signals 10µm 4) Vertical signals 10µm 5) VDD 15µm 6) GND 50µm 7) TOP layer10µm Aluminium 0.3 Ni/Au 1µ Copper
EP/ED group meeting6 300µm AGND VVDA SIGNALS GND VDD PIXEL BUS PROTOTYPE
EP/ED group meeting7 PIXEL BUS PROTOTYPE
EP/ED group meeting8 1 2 READOUT CHIP PIXEL DETECTOR Aluminium Polyimide CARBON FIBER SUPPORT 1 GND 50µ 2 VDD 50µ 3 SIG 1 10µ 4 SIG 2 10µ 5 SIG 3+ smd pad 10µ Glue COOLING TUBE Note: the drawing is not to scale SMD COMPONENTS HALF STAVE CROSS SECTION
EP/ED group meeting9 PIXEL_BUS & PILOT MCM (right side) 8mm PIXEL BUS MCM 8 ANAPIL PILOT CHIP GOL 100mm LASER+2 PIN DIODE 15mm Bonding pads Kapton extender’s soldering pads
EP/ED group meeting10 PIXEL_BUS & PILOT MCM (left side) 8mm MCM ANAPIL PILOT CHIP GOL 100mm LASER+2 PIN DIODE PIXEL BUS Kapton extender’s soldering pads 15mm Bonding pads
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EP/ED group meeting12 ALUMIUM GND Al VDD Cu GND Cu VDD PIXEL_BUS PIXEL_EXTENDER PIXEL_BUS AND EXTENDERS CONNECTIONS
EP/ED group meeting13 Ceramic carrier chip CHIP PACKAGE 1.27mm
EP/ED group meeting14 MCM Ceramic carrier chip CHIP PACKAGE
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EP/ED group meeting20 Status: PIXEL BUS. Pixel bus mirror version: tested and approved.. Pixel bus prototype (Cu & Al): in production 09/2003. Pixel bus prototype (Al): start production 10/2003. Final production at CERN (150 pieces): start 01/2004 PILOT MCM. Fr4 prototype: tested and approved.. Ceramic prototype : in production 10/2003. Final production at Sensorex: start end 2003