22nd june, 2004new zealand - australia semiconductor instrum'n w'kshop1 leveraging hep...
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 1
Leveraging HEP Silicon Technology (Example: VA Chip Application to PET)
Geoffrey TaylorThe University of Melbourne
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 2
HEP micro-strip technology• (2-D detectors are still at cutting edge…)• 1-D detectors/readout well established.
– Single/double sided; various geometries; AC/DC coupled; …Single/double sided; various geometries; AC/DC coupled; …
• Silicon Strip Detectors are very mature technology – several manufacturers
• Readout Chips for Strip detectors mature technology, available, customized or off-the-shelf.– Many variants, much experienceMany variants, much experience..
• Applications of this technology are now widespread. – A lot can be done without in-house chip development.A lot can be done without in-house chip development.
• Participation in HEP detector development provides a great jumping off point for such applications, ( BUT not essential for getting value out of this spin-off.)
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 3
Belle SVD Ladder Assembly
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 4
ATLAS
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 5
The ATLAS Semiconductor The ATLAS Semiconductor TrackerTracker
Endcap
BarrelBarrel
Endcap
4088 Modules61.1 m2 Silicon15,392 Wafers
6.3 million Strips
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 6
SCT Forward Silicon Modules
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 7
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 8
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 9
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 10
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 11
H8 Setup – Barrel Sector
Morpurgo
magnet,
not used
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 12
Infrastructure and Expertise
• Probe Station, IV, CV, equipment.• Circuit design/prototype/construction.• Precision assembly, measurement• Wire Bonding Facilities• DAQ systems (VME)• Analysis• Clean Room, Services
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 13
Future Australian HEP Instrumentation Developments
• Continue with ATLAS/SCT production and installation.
• Participate in Super-Belle SVD upgrade.• Pixel detector development:
– Future Vertex/Tracking detectors:
• Super-Belle SVD; ATLAS tracker upgrade; Future LC
– Synchrotron Detector Development
– Other Imaging Applications (eg. PET)
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 14
VA Series Chips
• VA2 Chip (IDE As, Norway) – 128 Channels
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 15
VA Operation
• Typically 128 channels• Low noise, depending upon
shaping time• Serial readout: ~5MHz, 20-30usec
readout.• Timing?
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 16
VA-TA chips
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 17
VA-TA Option
• 75nsec fast shaper • Upper and lower
thresholds.• OR’ed output from entire
chip• Can trigger readout of
analog section.
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 18
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 19
Depth of interaction in PET resolution
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 20
PAD Array (Spa, Kiev)
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 21
Crystal Array
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 22
Test Module – MSc Project, Jo Culpepper
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 23
The Wollongong Gantry
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 24
• Backside Trigger using Amptek A250
A250 trigger signal
Pixel array signal uniformity
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 25
Future Projects with 1-D Silicon/Readout
• Mythen –
Mythen Project – SLS(B. Schmidt)
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22nd June, 2004 New Zealand - Australia Semiconductor Instrum'n W'kshop 26
Proposal for NZ-Australia Project
(In addition to high-tech pixel development for HEP and applications ….)
• PET detector collaboration???• Development of high performance powder
diffraction detector for the Australian Synchrotron???
… Fast path to silicon expertise/applications