ITS-weekCERN December 3, 2001
Michel Morel CERN EP/ED
PIXEL CARRIER & EXTENDERS (top view)± 193 mm
ladder1ladder2
70.72 mm70.72 mm
Power supplies connector
1000mm
Flexible Extender
Data
Controls
Clk
12 m
m
Note: the drawing is not to scale
Cu extender 1
Al pixel carrier
CC
13
Pixel chip Pixel detector
R
VTT
Bias 1
13
.91
5.5
Cu extender 2 Michel Morel EP/ED 03/01
Pilot MCM
Bias 2
1
2
3
4
5
6
READOUT CHIP
PIXEL DETECTORAluminiumPolyimide
CARBON FIBER SUPPORT
PIXEL BUS + DETECTOR AND READOUT CHIPCROSS SECTION
1 ANALOG_GND 25µ2 ANALOG_ POWER 25µ3 HORIZONTAL LINES 10µ4 VERTICAL LINES 5µ5 DIGITAL_POWER 25µ6 DIGITAL_GND 25µ7 RES + CAPA PADS 15µ
1
2
5
6
Glue
COOLING TUBE
11mm2mm
1.7mm
Michel Morel EP/ED 05/2001
PIXEL_BUS
7 77 7
SMD component
Note: the drawing is not to scale
12
Analogue ground plane (AGND)
Analogue power plane (VDDA)
Vertical Signal plane
Digital power plane (VDD)
Analogue ground plane (AGND)
Analogue power plane (VDDA)
Vertical Signal plane
Digital power plane (VDD)
Digital ground plane (GND)
These layers have been cut chemically
Connections to interface
13
Bonding connections of a PI XEL chip
4
Copper
Kapton1(top)
PIXEL__EXTENDERS
Michel Morel EP/ED 11/01Note: the drawing is not to scale
Cross section
Cover-lay
50µm
70µm
~50µm
Top view0.2m 1m
MCM_D
S1VDD
MCMA VTT GND AGND
Kapton2 (bottom)
AGNDBI AS
Pixel_carrier
B1VTTA AGNDGND AGND
GND VDDA AGND
GND
VDD
AGND
VDDAGNDVDD
B2
12m
m
VDDA
S2
S1 S2 S1 S2 S1 S2 S1 S2
S1 S2
PIXEL_ CHIP_0
LADDER_0
COOLING TUBE
PIXEL_BUS
CARBON FIBER SUPPORT
OPTICAL LINK X 3
PIXEL_CARRIER / PILOT / EXTENDERSDETAILS ASSEMBLING
( LONGITUDINAL CROSS SECTION VIEW )
CAPACITOR
GOLDigitalPILOT
AnaloguePILOT
LaserReceiver
+diodes
EXTENDERS
_CHIP_1
Michel Morel EP/ED 12/01
conclusions
• Prototype version A fonctionnel.• Série de 200 pixel_carriers est réalisable au CERN.• Prototype version B sera produite l’an prochain.