Kathleene Derrig- Palumbo, Ph.D., MFT Lisa M. Bevington, M.S. MFT February 29, 2008.
MFT Progress Report Ginés Martínez García for the MFT project ALICE mini-week, Sep 1 st -5 th...
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Transcript of MFT Progress Report Ginés Martínez García for the MFT project ALICE mini-week, Sep 1 st -5 th...
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MFT Progress Report
Ginés Martínez García for the MFT project
ALICE mini-week, Sep 1st-5th 2014
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Outlook
TDR Status (sensor parameters, TDR configuration)
Read-out CoolingServices Automatic Assembly SystemOrganization, Institutes
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CERN svn alicemft / TDR / trunk
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MFT TDR (75-82 pages)1. Introduction (4 pages)2. Pixel Sensor (2 pages)3. Ladder and Disk Structure (16-19 pages)4. Global support structures, thermal studies … (17-19
pages)5. Read-out electronics (7-8 pages)6. Performances (15-17 pages)7. Organization, cost and planning (10 pages)A. Detector Parameters (2 pages)• Bibliography (2-3 pages)
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Detector Parameters
• ITS TDR CERN-LHCC-2013-024 (https://cds.cern.ch/record/1625842?ln=fr)
• ITS TDR addendum (UGC document)• We need to discuss with ITS which parts of the ITS
TDR need to be upgraded for the MFT TDR. New reference and justification will be needed. As an example: Inner layer max power consumption 300 mW/cm2 in the TDR. Shall we keep this conservative value? Other examples : dead areas, pads for parallel 320 MB/s RO.
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MFT TDR configuration• 5 Detection Disks, 2 planes each (decided).• Ladder Overlap: proposal to be compatible with a
FPC 17 mm width (under discussion). • 5 types of FPC: 1, 2 ,3 ,4 and 5 sensors (decided).
First draft of the TDR configuration.Raphael & Franck WG3, Aug 28th 2014
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MFT TDR configuration
First draft of the TDR configuration.Raphael & Franck WG3, Aug 28th 2014
Ongoing discussion
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MFT read-out (I)LoI: Standard ALICE upgrade read-out: GBT + CRU
Maximum data flow 320 MB/s : several links per sensor, depending on its size.
GBT
Sensor Sensor Sensor
Sensor
Sensor Sensor Sensor
Sensor Sensor Sensor SensorGBT
GBT
Sensor Sensor Sensor Sensor
Sensor Sensor Sensor
Sensor Sensor Sensor
Sensor Sensor
Sensor
CRU
CRU
Optical
FPC, AlSensor Sensor
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Defining TDR MFT Read-OutRead-out mapping MFT TDR
configuration being studied.GBT option imposes several e-
links per sensor (3 or 4).ITS foresees 1 e-link per sensor
via a 1 GB/s copper 4m length line.
Critical issue for the MFT project.This requires further discussions in
the next months.Hopefully we will find a common
ITS/MFT solution.
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MFT TDR readout
• Baseline– Pixel sensor with 3 outputs, 320 MB/s each to be
compatible with GBT.– GBT + and optical transceivers in the MFT cone.– CRU read-out out of ALICE.
• Back-up– One 1 GB/s per pixel sensor (as ITS inner barrel)– Data concentration done in the MFT cone (~50 kRad
dose).– More manpower has to be identified to develop this
option.
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MFT Flex Printed Circuit
• Designing a FPC compatible with 3 read-outputs per pixel sensor.
• FPC width 16.8 mm• Finalizing design using same FPC “frame” (positioning holes)
as ITS inner barrel.• Decision on the FPC length and connector integration to be
taken soon.
Preliminary MFT FPC designChristophe R.
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TDR MFT Cooling • Baseline:– Air cooling as in the MFT LoI.– Pixel group reported last MFT/ITS
meeting lower power consumption than that of LoI.
– Re-do thermal studies for air cooling with the new configuration (ongoing).
– Water cooling of the PCB (namely for DC-DC converters).
• Backup:– Water cooling in the MFT accep.– Mechanical design of the disk spacer
with water cooling.
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Services
• Discussion with ITS service group needed.• Interface of service between ITS and MFT
barrel.• Common DCS, ensuring good modularity
between ITS and MFT.
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Automatic Assembly System
• Including MFT requirements in the document prepared by ITS.
• Most issues have been addressed (shorter FPC, 1-5 pixel sensors, connector, perhaps different pad for RO).
• Providing a working table for MFT HIC.Fabienne and Stéphane for the MFT.
Thanks to Antonello
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Organisation
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MFT Institutes
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MFT sharing responsibilities Working on a new version of the PBS, WBS and
planning.Discussion on the laboratory responsibilities with their
direction.MFT project approved in India. They will contribute to
the ladder assembly at CERN and read-out units (CRU).Discussion with new laboratories ongoing :• Pusan Korea (pixel sensor serie test),• Nakhon Thailand (thinning and Dicing),• WUT Poland (read-out), • CCNU Chine (read-out),• IFIC Spain (assembly and read-out).
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Conclusions TDR MFT configuration to be ready soon. Upgrade of parameters wrt ITS TDR could be needed. Decisions on two critical issues: read-out and cooling, have
been presented. Read-out is a critical issue: new outputs in the pixel sensor
OR new common RO for ITS & MFT. FPC with 3 RO output per pixel sensor is possible. MFT requirements being included in the TS of the AAS
document. Discussing WBS with the laboratories. Green-light for for
MFT in India. In contact with new groups. We have to converge quickly.
The finalization of the TDR middle October is our main objective.