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.