Vessel dimensions GTK assembly carrier Electrical connections Cooling pipes integration Vessel...
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Transcript of Vessel dimensions GTK assembly carrier Electrical connections Cooling pipes integration Vessel...
![Page 1: Vessel dimensions GTK assembly carrier Electrical connections Cooling pipes integration Vessel alignment with the beam Next steps Conclusion 3/10/20102.](https://reader035.fdocuments.us/reader035/viewer/2022070415/5697c02b1a28abf838cd8b06/html5/thumbnails/1.jpg)
3rd meeting on GTK electro-mechanical
integration
![Page 2: Vessel dimensions GTK assembly carrier Electrical connections Cooling pipes integration Vessel alignment with the beam Next steps Conclusion 3/10/20102.](https://reader035.fdocuments.us/reader035/viewer/2022070415/5697c02b1a28abf838cd8b06/html5/thumbnails/2.jpg)
3rd meeting on electro-mechanical integration M.Morel
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OUTLINE• Vessel dimensions• GTK assembly carrier• Electrical connections• Cooling pipes integration• Vessel alignment with the beam • Next steps• Conclusion
3/10/2010
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Vacuum Vessel
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Vacuum Vessel
Vessel 3D (GTK 1+2) drawing .
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GTK assembly carrier
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Integration of 10 Readout chips + Sensor with the Cooling Wafer
Cooling Wafer
SensorReadoutchip
First bond pad of 2 Readout chip could be used as references to precisely glue the sensor assembly on the cooling wafer.
Reference #1
Reference #2
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Sensor
Readout chip
Gluing Readout chips on the cooling Wafer
Cooling Wafer
Special attention has to be taken to avoid an overflowing of glue to the readout chips pad and bump bonds.
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GTK assembly carrier
Top view
Bottom view
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3rd meeting on electro-mechanical integration M.Morel
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Vessel & Carrier board outside View
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O-ring emplacement
The aluminium support will be glued on the carrier board.Vacuum tightness will be assure with an o-ring joint.
CARRIER BOARD SUPPORT
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Mechanical guides used duringGTK carrier insertion in the Vessel.
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Mechanical guides
2 other rails will guide the GTK carrier inside the vessel.
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Electrical connections to the GTK carrier
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!! High frequency lines between The readout chips and optical transmitter modules.
µ via technology board is foreseen.
High current in the power supplies (25A)
GTK carrier specifications
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Cross section representation
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GND
1V2
2V5
Signals Layer
2V5A
Bonding representation between GTK carrier and a Readout chip
Fist possibility:This staircase carrier allows full planes for the power supplies.
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Bonding representation between GTK carrier and a Readout chip
Second possibility:Pin to pin bonding
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Bonding representation between GTK carrier and a Readout chip
Third possibility:Power supplies on bus
GND
1V22V5
Signals
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Cooling pipe integration
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Nano port
First possibility: Integration of the cooling pipe in the GTK carrier board
Cooling Wafer
Cooling pipe input connector
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Second possibility: using the Aluminium support with a pressure-tight connector
Cooling pipe input connector
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GTK Vessel&
BeamPositioning
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GTK Vessel and XZ table
Connections with the beam pipe could be made using a bellows (Tombac) to insure enough length and low stress.
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• Design & construct vessel prototype• Study, design & construction of assembly carrier prototype (PCB)
• Mechanical dimensions• Signal integrity (6 Gbit/s per chip)• Signal length• Routing density• Wire bonding optimization
• Straight wire bonds•Vacuum tightness
• Start study to make design compatible with vessel cooling option
Next steps
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Conclusion• Definition of specification started
• GTK3 needs more definition• Integration proposal worked out• Prototyping research & design can start
3/10/2010