Difference between revisions of "Minutes-7-15-2010"
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| − | Participants: Fernando, | + | Participants: Eugene, Fernando, Glenn, Roger, Mark, Casey, Beni, Simon, and Lubomir. |
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== Production == | == Production == | ||
| − | - | + | - The PR for the clean room is signed and out for bid. Ron Bartek is working on the HVAC, estimating to have it by early September. For our planning we assume we will have the clean room at the beginning of October. |
| − | - | + | - Lubomir included in the Fast Track file, the production of the one-layer prototype which will take 2.5 weeks if having 8 technicians. This includes one wire and two cathode layers. Suppose we start on Oct.4 we will be ready with the prototype on Oct.20. Then, we can start with the mass production at the beginning of November. This answers Fernando's questions when we will need the PCBs. Fernando also asked if we have the 8 technicians needed for the job. Eugene answered, we would have to hire new techs. It will be difficult because the term will be only for one year, but probably we will need some of them for the constructions in the hall. This will be synchronized later when it will be clear when we will have the clean room. |
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| − | - Bill | + | - Nothing new from Bill about the design of the wire stringing fixtures. He wanted to use the strongbacks that are at IUCF: Lubomir tried to contact Keith Solberg from IUCF, without success so far. In this line, the system for wire position measurements was recovered at UVA, they are testing it right now at UVA. We will have to find a way to bring it here. |
| − | + | They plan also to improve their system for tension measurements, based on exciting the wires by induction from an electrode and looking for the resonance frequency. Glenn suggested to talk to Mac Mestayer from Hall B about their system. Fernando said that the problem with the Hall B system is that you need to make connections to both ends of the wire. In our case this will be difficult especially for the field wires. | |
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| − | - the templates for the rohacell arcs | + | - the templates for the rohacell arcs are ready. The two Liping's students that were supposed to work on this project are working in the moment on the PRIMEX experiment. However, Lubomir talked to Ashot: we may use the students when they are not busy, will be discussed again tomorrow. We will need also a gluing template, Bill will get it made by the machine shop. |
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== Electronics == | == Electronics == | ||
| − | - Fernando: | + | - Fernando: we expect the first PCBs next week. It turned out that the HV capacitors (rated for 4kV) are not available in the moment |
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- Lubomir looked with the differential probe at the output (with 18m cable) of the new anode and cathode cards. The dynamic range of the anode cards is | - Lubomir looked with the differential probe at the output (with 18m cable) of the new anode and cathode cards. The dynamic range of the anode cards is | ||
Revision as of 16:52, 15 July 2010
July 15, 2010 FDC meeting
Tentative Agenda
- Production
- 727 B.C. status
- production planning
- wire stringing design
- rohacell ring production
- Electronics: update (Fernando)
- Engineering
- Cathode foil: update (Roger)
- Cathode frame prototyping
- Full-scale prototype tests
- cosmic test results (Beni) FDC Log Book, pages 505
- oxygen contamination measurements Beni's scheme
- Other
