Difference: EndcapLayout (5 vs. 6)

Revision 62013-02-21 - JoleenPater

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META TOPICPARENT	name="Tasks"

Pixel Endcaps in the LoI (Cartigny) Layout

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The closest match to the requested dimensions are illustrated in the drawings above. These disks use 'quad' modules (modules built on 4 FEI4 chips in a 2x2 grid placement) and 'hex' modules (built on 6 chips in a 2x3 grid). Disks 1-4 would have the 'QHH' geometry shown in the leftmost picture ('QHH' for Quad-Hex-Hex as the innermost ring is made of quad modules and the middle and outer rings are made of hex modules). Disk 5 is QQH and Disk 6 is QH. This results in the dimensions shown in the table below:

Deleted:

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z (mm)	Rinner (active) (mm)	Router (active) (mm)
822	150.1	315.0
960	150.1	315.0
1140	150.1	315.0
1360	150.1	315.0
1600	170.6	315.0
1890	212.4	315.0

Changed:

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Module Dimensions assumed: (to add)

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Dimensions assumed:

0.45mm gap between adjacent FEI4s in a module
sensor dead edge 0.2mm radially
a hex module is 61.3mm long radially
a quad module is 40.85mm long radially
>0.2mm gap required between adjacent modules on a disk, to isolate HV

LoI backup document

The pixel disk backup document for the Phase-II Letter of Intent can be found here: http://cds.cern.ch/record/1515010/files/ATL-UPGRADE-PUB-2013-004.pdf

Line: 32 to 36

Single-row Halfdisk Prototype

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Conceptual drawings:

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general outline and face sheet
curved cooling pipe

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Engineering drawings:

general outline / Cfibre face sheet
cooling pipe

Construction photographs:

vacuum jig
one foam wedge
wedges glued to facesheet
cooling pipe sample

Stepped Geometry Disk Sector

Peter Sutcliffe's drawings for a sector of a stepped-geometry disk:

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META FILEATTACHMENT	attachment="Disk0-3_QHH_Halfdisk.jpg" attr="" comment="Quad-Hex-Hex (QHH) Halfdisk" date="1361377048" name="Disk0-3_QHH_Halfdisk.jpg" path="Disk0-3_QHH_Halfdisk.jpg" size="178779" stream="Disk0-3_QHH_Halfdisk.jpg" tmpFilename="/usr/tmp/CGItemp28473" user="JoleenPater" version="1"
META FILEATTACHMENT	attachment="Disk4_MixedSizes.jpg" attr="" comment="Quad-Quad-Hex (QQH) disk" date="1361377278" name="Disk4_MixedSizes.jpg" path="Disk4_MixedSizes.jpg" size="159283" stream="Disk4_MixedSizes.jpg" tmpFilename="/usr/tmp/CGItemp28453" user="JoleenPater" version="1"
META FILEATTACHMENT	attachment="Disk5_MixedSizes.jpg" attr="" comment="Quad-Hex (QH) disk" date="1361377311" name="Disk5_MixedSizes.jpg" path="Disk5_MixedSizes.jpg" size="140751" stream="Disk5_MixedSizes.jpg" tmpFilename="/usr/tmp/CGItemp28568" user="JoleenPater" version="1"

Added:

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META FILEATTACHMENT	attachment="Prototype-sandwich.jpg" attr="" comment="" date="1361460836" name="Prototype-sandwich.jpg" path="Prototype-sandwich.jpg" size="648940" stream="Prototype-sandwich.jpg" tmpFilename="/usr/tmp/CGItemp28534" user="JoleenPater" version="1"
META FILEATTACHMENT	attachment="ATLAS_Pixel_Single_-_Row_Half_Disk.jpg" attr="" comment="single-row half-disk cooling pipe" date="1361460901" name="ATLAS_Pixel_Single_-_Row_Half_Disk.jpg" path="ATLAS Pixel Single - Row Half Disk.jpg" size="82391" stream="ATLAS Pixel Single - Row Half Disk.jpg" tmpFilename="/usr/tmp/CGItemp28365" user="JoleenPater" version="1"
META FILEATTACHMENT	attachment="GluingJig.jpg" attr="" comment="single-row half-disk cooling pipe" date="1361460990" name="GluingJig.jpg" path="GluingJig.jpg" size="154503" stream="GluingJig.jpg" tmpFilename="/usr/tmp/CGItemp28562" user="JoleenPater" version="1"
META FILEATTACHMENT	attachment="OneFoamWedge.jpg" attr="" comment="single-row half-disk cooling pipe" date="1361461000" name="OneFoamWedge.jpg" path="OneFoamWedge.jpg" size="1038221" stream="OneFoamWedge.jpg" tmpFilename="/usr/tmp/CGItemp28673" user="JoleenPater" version="1"
META FILEATTACHMENT	attachment="PrototypePipes.jpg" attr="" comment="single-row half-disk cooling pipe" date="1361461014" name="PrototypePipes.jpg" path="PrototypePipes.jpg" size="771748" stream="PrototypePipes.jpg" tmpFilename="/usr/tmp/CGItemp28643" user="JoleenPater" version="1"
META FILEATTACHMENT	attachment="MP12003_00_A2.jpg" attr="" comment="single-row half-disk cooling pipe" date="1361461245" name="MP12003_00_A2.jpg" path="MP12003_00 A2.jpg" size="271673" stream="MP12003_00 A2.jpg" tmpFilename="/usr/tmp/CGItemp28517" user="JoleenPater" version="1"

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