DOE/NSF Review of U.S. ATLAS May 21-23, 2003

CSC Mechanics and Electronics

Paul O’ConnorTom Muller

BNLMay 22, 2003

DOE/NSF Review of U.S. ATLAS May 21-23, 20032

CSCs are the forward precision muon system of ATLAS

32 four-layer chambers2.0 < || < 2.7|Z| ~ 7m, 1 < r < 2 m4 gas gaps per chamber31,000 channels

IP

DOE/NSF Review of U.S. ATLAS May 21-23, 20033

Mechanics: 32 chambers Gas system Electronics enclosure HV power

Electronics On-detector:

32 x 5 = 160 sets of ASM boards 160 x 3 = 480 optical links LV power & cooling Calibration system

Off-detector: 16 RODs TTC, trigger/DAQ interface Software

CSC Deliverables

BNL Physics Dept.

BNL Instrumentation Div.

UCI Physics Dept.

DOE/NSF Review of U.S. ATLAS May 21-23, 20034

Building 832 CSC Production Facility

Lab A (main clean room) configured for:      Panel epoxy operations. Gas Bar and Wire Fixation Bar epoxy installations. Tooling fabrications (epoxy steps). Wire Winding and Epoxy setting operations. Wire Spacing and Tension Tests. Panel Flatness Tests ( mechanical and electrical). Chamber Assembly and Electronic Flatness Tests. High Voltage Cable and Connector installations.

DOE/NSF Review of U.S. ATLAS May 21-23, 20035

Building 832 CSC Production Facility

Lab B ( multiple table stations ) configured for: Connector and part preparations. Soldering operations on Y-Y, X-X, and Y-

Cover Panels X-X Panel “later steps” Storage of all constructed Chambers

DOE/NSF Review of U.S. ATLAS May 21-23, 20036

Panel Travelers – Part A

DOE/NSF Review of U.S. ATLAS May 21-23, 20037

Panel Travelers – Part B

DOE/NSF Review of U.S. ATLAS May 21-23, 20038

X-X Panel Curing

DOE/NSF Review of U.S. ATLAS May 21-23, 20039

Soldering Connectors

DOE/NSF Review of U.S. ATLAS May 21-23, 200310

X-X Panel Wire Winding

DOE/NSF Review of U.S. ATLAS May 21-23, 200311

Electronic Flatness Testing

DOE/NSF Review of U.S. ATLAS May 21-23, 200312

L-2 Ch. 10 Gap 4

DOE/NSF Review of U.S. ATLAS May 21-23, 200313

Faraday Cage Prototype

DOE/NSF Review of U.S. ATLAS May 21-23, 200314

CSC Panel Production Rates

Tooling Capacity

65

80 S-1L-2

80

DOE/NSF Review of U.S. ATLAS May 21-23, 200315

CSC Parts LOBCathode Strip Chambers

L-2 Chamber Panel Assembly ProductionLine of Balance

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Required Cover-Y/X-XRequired Y-YActual Cover-YActual X-XActual Y-YActual X-X Wound

DOE/NSF Review of U.S. ATLAS May 21-23, 200316

CSC Chamber Production Plan

16 S-1L-2 34

DOE/NSF Review of U.S. ATLAS May 21-23, 200317

CSC On-detector Electronics

ASM1:Preamp/shaper

ASM2: Analog memory, ADC

& MUX

DOE/NSF Review of U.S. ATLAS May 21-23, 200318

Off detector electronics

RODprototype GPU

Crate

DOE/NSF Review of U.S. ATLAS May 21-23, 200319

Status of major deliverables On-detector

3 custom ASICs ready for production ASM1 board ready for production ASM2 board

Rad-soft proto beam-tested Aug. ’02 Rad-hard proto in design Production quantities of most components in hand

Cooling and calibration in design

DOE/NSF Review of U.S. ATLAS May 21-23, 200320

Deliverables con’t. Off-detector

ROD, GPU Prototypes assembled Most functions have been exercised and tested Design and layout seem suitable for production Production quantities of most components on hand Firmware development proceeds through 2003

Transition module First proto 3Q ’02 (not full density) Final version in design

Software in development Beam test/system test scheduled for 8/03

DOE/NSF Review of U.S. ATLAS May 21-23, 200321

On-detector electronics production

3 BNL-designed custom ICs•preamp/shaper (2560), digital mux (2560), clock buffer (160)•all Agilent 0.5um CMOS•prototyping & procurement through MOSIS•PRR June ’03•P/S, MUX shared reticle production•CK BUF – small quantity, cheapest to buy MPW overruns

2 other custom ASICs•SCA, Pos. VREG•tested and qualified elsewhere in ATLAS•shared procurement with other ATLAS subsystems - done

4 COTS components•opamp, ADC, PECL rcvr., G-link•tested and qualified elsewhere in ATLAS•shared procurement (opamp, ADC, PECL) with LArg – underway

preamp/shaper production test fixture

DOE/NSF Review of U.S. ATLAS May 21-23, 200322

MilestonesJune 03 Custom chips PRR & begin production

Aug 03 Rad-hard ASM2 protoSystem integration test

Oct 03 ASM boards PRR & begin productionCustom chips in hand

Nov 03 CSC chamber production completeROD PRR

Early 04 Assemble & test ASM boardsBegin installing electronics on chambers

Late 04 Certify CSCs, ship to CERN

DOE/NSF Review of U.S. ATLAS May 21-23, 200323

Radiation