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Production of the first prototypes set of the ER bundles

Production of the first prototypes set of the ER bundles. D. Giugni / INFN Milano. Plan. As soon as the MWS wires have been delivered the production of the prototype bundles has started. The design of the bundles is rather advanced but still there are uncertainties on

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Production of the first prototypes set of the ER bundles

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  1. Production of the first prototypes setof the ER bundles D. Giugni / INFN Milano 2011-06-9 nSQP's meeting

  2. Plan • As soon as the MWS wires have been delivered the production of the prototype bundles has started. • The design of the bundles is rather advanced but still there are uncertainties on • Type of shielding in the external part (outside the PST) • The assembling procedure (affected by the shielding type) • Planned to build: • a full set for the Top OSP (6 bundles) to be sent to SLAC • 2 bundles to keep at CERN. 2011-06-9 nSQP's meeting

  3. Which bundle type • The type of the bundles being produced depended upon the connector board type available first. • Since the B-connector board is already available all the bundles will be B-bundles: • 14 twp AWG 28 copper clad Alu • 14 twp AWG 36 solid copper • 1 twp AWG solid copper 2011-06-9 nSQP's meeting

  4. Documentation • The main production docs are the following: • Service Quarter Panel Electrical Readout Harness Assembly Specifications [ATL-IP-ES-0155] • nSQP's ER Connectivity Table V1.81 [ATL-IP-ES-0167] These docs provide the specs and the mapping to the interface boards (see next) 2011-06-9 nSQP's meeting

  5. Mapping Connector Board Cable Board 2011-06-9 nSQP's meeting

  6. Status • All the bundles have bee produced • Only one has the boards soldered • The tester interface cables are done • Today the resistance and connectivity test on the first bundle has started. Found some shorts and opens to be fixed • If the repairing will be ok, the SLAC set should be ready by the end of the next week. 2011-06-9 nSQP's meeting

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