mtd-b0 2 in-depth: btl sipms - indico-fnal (indico)...the btl reference design has 165,888 lyso...
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MTD-B02In-depth:BTLSiPMs402.8.3.2MitchWayneHL-LHCCMSUpgradeCD-1Director’sReview20March2019
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§ MitchWayne,Professor,UniversityofNotreDame
§ WithinMTDInternaLonal,headoftheNotreDameMTDgroup,Level4managertaskedwithleadingtheSiPMR&DandsubsequentQA/QCoftheproducLonSiPMs
§ WithinUSMTD,Level4manageroftheBTLSiPMproject§ Co-leaderoftheHB/HEFrontEndPhaseIupgradeeffortforinternaLonalCMS.USCMSLevel4manageroftheSiPMandODUprojectsfortheHCALPhaseIupgrades.LedteamthatcarriedouttheR&DandthensuccessfultesLngandcharacterizaLonof25kchannelsofSiPMforHEandHB–installaLonsin2017and2019,respecLvely.
Brief Biographical Introduc3on
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§ ScopeandDeliverablesofBTLSiPMs§ ConceptualDesign§ CostandSchedule§ ContribuLngInsLtuLons§ ResourceOpLmizaLon§ ES&H§ QA/QC§ Summary
Outline
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§ TheBTLreferencedesignhas165,888LYSObars,readoutbytwoSiPMS,oneateachend§ TotalchannelSiPMchannelcountis331,776§ With5%sparesthetotalnumberofSiPMis348,365
§ TheUSMTDprojectisresponsibleforthepurchaseof34%oftheSiPMs,andthetesLngandcharacterizaLonof50%oftheSiPMs.ThepackagingoftheSiPMsinto16-channelarrayswillbecarriedoutbythevendor.§ USMTDwillpurchase118,750channelsofSiPM§ USMTDwilltestandcharacterize174,183channels§ USMTDwilldeveloppackagingfortheSiPMs
Scope and Deliverables for 402.8.3.2
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Conceptual Design
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Design Considera3ons for 402.8.3.2
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Charge#1,2§ SiliconPhotomulLpliers(SiPM)arethephotodetectorsofchoicefortheBTL.FeaturesofSiPMsinclude:
§ Compactsize,3mmx3mmfortheBTL§ Smallpixels(15micronorless)provideextendedlineardynamicrangeandkeepdarkcountmanageable
§ HighphotondetecLonefficiency(PDE)of>20%for15micronpixels§ FastrecoveryLmeof<10ns§ InsensiLvitytomagneLcfields§ LowpowerconsumpLon§ Gooduniformityoverlargenumbersofchannels§ RelaLveeaseofoperaLon§ SufficientlyradiaLonresistantforuseintheBTLàsLllperformantatendoflifeofthedetector
§ Giventheconstraintsfromthedetectordesignandthefeatureslistedabove,SiPMsaretheonlyreasonableopLonfortheBTL
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§ TheHE/HBSiPMfromHamamatsuhasbeentestedextensivelyandiswellunderstood
§ StudiesshowthatthisSiPMcouldmeettheLmingrequirementsfortheBTL,buttherewouldbelimlemarginforerror,sowehavebeenacLvelyworkingwithtwovendors(HamamatsuandFBK)toimproveuponthisdevice’sperformance
§ TheSiPMR&Dhasthreemainareasoffocus§ ImprovePDEasmuchaspossibleforpixelsizeof15microns
§ ImproveradiaLonresistancetoreducedarkcountrate§ DesignacosteffecLvepackagethatposiLonstheSiPMontheLYSOcrystal,bringsinbiasvoltageandbringsoutsignal,andtransfersheatawayfromtheSiPM
R&D Achieved
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§ HPKhasdevelopedapromisingnewSiPMwithhigherPDEthantheHE/HBdevice
R&D Achieved
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New15micronSiPMfromHamamatsu(redpoints)withsignificantincreaseinPDEcomparedwithHBSiPM(bluepoints)
TypicaloperaLngvoltage
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§ WehavedoneextensivestudiesofradiaLondamage,includingtemperatureeffectsandannealing
R&D Achieved
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IncreaseddarkcurrentwithdoseReducLonofdarkcurrentwithlowertemperatureImprovedS/Nwithlowertemperature
SiPMsafter5E13n/cm2
1000
100
10
1
0.10 1 2 3 4
V-VB[V]
T=-20.0CT=-25.0CT=-30.0CT=-35.0CT=-40.0C
SiPMsafter5E13n/cm214
12
10
8
6
4
2
00 1 2 3 4
V-VB[V]
T=-20.0CT=-25.0CT=-30.0CT=-35.0CT=-40.0C
S/Nra
tio
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§ AnewroundofirradiaLonswerecarriedoutattheLjubljanareactorinearly2019.WearedoingdetailedcomparisonsofSiPMcandidatesfromHPKandFBKtodeterminewhichonewillprovidethebestLmingresoluLonoverthelifeLmeoftheBTL.
§ Example:darkcurrentat-30oC,doseof2E14(endoflifeforBTL)§ Hamamatsu–HDR2SiPM
§ Keypoints:§ SiPMsLllworksaoerthisdose§ Darkcurrentsareconsistentwithpredictedvalues
R&D needed before produc3on
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§ Preliminarydesignof16channel,ceramicpackage
R&D needed before produc3on
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PhaseIHE/HBCeramicPackage
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Schedule and Cost
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7
7
US-MTD Schedule in P6
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FY26FY25FY24FY23FY22FY21FY20FY19
Prototype Pre-producLon ProducLon
ProducLon
Prototype ProducLon
Prototype
LYSO
CC
Assembly
I&C
PrototypeSystemTes@ng
BTL
ETLPrototypeLGAD
PrototypeASIC
PrototypeAssembly
I&C
UsingprototypecomponentsSystemTes@ng
Prototype Pre-producLon ProducLon
Pre-producLon ProducLon
Pre-producLon
Usingpre-producLoncomponents
ProducLon
ProducLoncomponents
oKKP:I&Ccontrib
8.7mos
Pre-producLon
Pre-producLon
Pre-prodcomponents
ProducLon
ProducLon
ProducLon 9.8mos
ProducLoncomponents
oKPP:I&CcontribuLons
SiPMs
iMTDDOE
CMSrequest-by
CMSneed-by
tKPPcomplete
CMSrequest-by
CMSneed-by
tKPPcomplete
CMSneed-by
FEboardsavailable
CD-2/3CD-1
MTDTDRsubmiTed BTLEDR
CMSneed-by
ASICsavailable
ETLEDR
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§ ThesekeydatesareconsistentwithMTDmilestones(seeCMS-doc-13321)
SiPM Schedule Overview
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Ac@vi@es Dates KeyDates
R&DonSiPMprototypes,radiaLontesLng,developpackage,choosepreproducLondesigns
Now–November2019
Designandproduceteststandsforpre-andfullproducLontesLng,developsooware
April2019–October2019
Nov.2019:ReadinessreviewNov.2019:PreproducLonP.O.
ThoroughtesLngofpreproducLonSiPMsonthebenchandinbeams,choosefinalSiPMandpackagingdesignsforfullproducLon
May2020–October2020
May2020:PreproducLonSiPMsdeliveredtoCERN
PreparePOforfullproducLon,readinessreview September2020–October2020
Oct.2020:ReadinessreviewOct.2020:P.O.forproducLon
SiPMproducLonatvendor October2020–October2022
Oct.2020:BeginSiPMfullproducLon
TesLngandcharacterizaLonoffirst50%ofproducLonSiPMs
April2021–December2021
Apr.2021:1stSiPMsatCERNDec.2021:QC50%complete
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Timing Layer Cost Es3mates to L4
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§ Twomaincostdrivers:
§ SiPMpurchase–basedonrecentvendorquote§ SiPMlabor–basedonpreviousexperiencewithHCALupgrade
BTL SiPM Cost Drivers
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§ ProblemswithSiPMVendor
§ IfproducLonSiPMsdon’tmeetspecs,esLmatea6monthdelay§ IfothervendorproblemsslowproducLon,esLmate2-8monthdelay
§ MiLgatebydoingapreproducLonrun,andpossiblybyspliqngtheorderbetweentwovendorsifquality/pricearecomparable
BTL SiPM Risks
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Contribu3ng Ins3tu3ons and Resource Op3miza3on
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§ UniversityofNotreDame§ Pastexperience:SuccessfullycarriedouttheSiPMR&D,producLonandQA/QCfortheHEandHBPhaseIupgrades
§ KeyPersonnel§ ArjanHeering:ExtensiveexperiencewithSiPMsandassociatedreadoutelectronicssincetheearlydaysofCMSHCAL.DevelopedthepackagingfortheHE/HBSiPMs.
§ YuriMusienko:Expertinphotodetectors,manyyearsofexperiencewithinCMS,firstwithECALandthenwiththePhaseIHCALupgrades.DevelopedtheteststandsandQA/QCproceduresfortheHE/HBSiPMprojects.
Contribu3ng Ins3tu3ons
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§ BasedonourexperiencewiththeHCALPhaseIupgrade,theproducLonQA/QCplansareasfollows:
§ Foreverychannel(~175k)wewillmeasure:§ IVcurveswithandwithoutilluminaLon§ Forwardresistance
§ For2%ofthechannelsineachbatchwewillmeasure§ Capacitance§ Pulseshape
§ For1%ofthechannelsineachbatchwewillperformdestrucLvetests,including§ RadiaLonstudies§ Longtermagingstudies§ Environmentalstudies(temp.cycling,humidity,etc)
§ SeeCMS-doc-13093
Quality Assurance and Quality Control
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Summary
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§ AnexperiencedteamisinplacetocarryouttheR&D,preproducLonand50%oftheproducLonSiPMQA/QCfortheBarrelTimingLayer(BTL)
§ ThereisanacLveR&DprogramunderwaytodeterminetheopLmalcandidateSiPMfortheBTL
§ ExisLngfaciliLesandteststaLonswillbemodifiedforthepreproducLonandfullproducLontesLng
§ AreasonableandachievableschedulehasbeendevelopedforthiseffortthatmatchestheneedsandexpectaLonsoftheoverallBTLproject
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Backup
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§ AllES&HaspectsoftheHLLHCCMSDetectorUpgradeProjectwillbehandledinaccordancewiththeFermilabIntegratedSafetyManagementapproach,andtherulesandprocedureslaidoutintheFermilabES&HManual(FESHM)
§ WearefollowingourIntegratedSafetyManagementPlan(cms-doc-13395)andhavedocumentedourhazardsinthepreliminaryHazardAwarenessReport(cms-doc-13394)
§ InGeneralSafetyisachievedthroughstandardLab/InsLtutepracLces§ NoconstrucLon,acceleratoroperaLon,orexoLcfabricaLon§ NoimminentperilsituaLonsorunusualhazards§ ItemscomplywithlocalsafetystandardsinsiteoffabricaLonandoperaLon
§ SiteSafetyofficersatInsLtutesidenLfiedintheSOW§ TherearenoSpecificHazardsfor402.3.8.2
§ OurR&DandQA/QCeffortswilltakeplaceinlabseqngsthatfollowstandardsafetyprocedures.
ES&H
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§ TheextensiveexperiencewiththeHCALPhaseIupgradesandwithotherCMSprojectsmakestheNotreDameSiPMgroupthenaturalchoicetocarryoutthiseffortfortheBTL§ ThetesLngandcharacterizaLonoftheSiPMswillbecarriedoutatCERN,inthesamelabsusedforHCALPhaseI
§ ExisLngteststaLonscanbemodifiedandusedfortheBTL§ Equipmentexistsforlongtermagingandenvironmentalstudies
§ WehavemulLpleopLonsforirradiaLngSiPMs–Ljubljanareactor,Dubna,CHARM,IRRAD
§ Wehavealong,posiLveworkingrelaLonshipwithbothSiPMvendorsunderconsideraLon
§ TheSiPMswillbefabricatedandpackagedatthevendor,whowillalsocarryoursomepreliminarytesLng
Resource Op3miza3on
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