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Next FDC group meeting





Folks,

Our next FDC group meeting is scheduled for tomorrow afternoon
at 1:30 p.m. in F228.  The agenda for the meeting is included
below.  Let me know if there is anything else to add to the
agenda.


				Regards,

					Daniel

*********************************************************************
FDC Weekly Meeting Agenda
Mar. 13, 2008
-----------------------------

1. Full-scale prototype update.
    - procurement update (2nd construction station, PCBs, cathodes,
      cathode daughter boards, rails/rail assemblies)
    - long term cathode board storage (oxidation concerns, surface finish spec)
    - Loss of CCT for cathodes -- what to do?
    - clean room space request
2. Wire winding planning.
    - contract status
    - electroplating tests
    - epoxy sample
    - drawing/info to reflect where plane support can be attached
3. Composite cathode prototype construction update.
    - sandwich completion
    - gas port attachment
    - vibration calculations (Ed Daly)
    - sealing of Rohacell
4. Ground connection scheme.
    - Overview writeup (Fernando)
5. Gas volume definition.
    - impedance/flow calculations (Dave Meekings)
    - definitions of holes in cathodes and foam
    - can/should holes in cathode boards be made by board house?
6. Cathode board discussion.
    - contact with board house:
       - flatness specs and handling requirements
       - cathode defects document
    - minimum copper thickness
    - QA procedures for boards at board house
    - document for QA/stuffing/cleaning cathodes (Roger)
    - document for QA/stuffing/cleaning cathode daughter boards (Roger)
    - design update to reduce clearance issues and remove extra holes
    - allowed board distortions
    - cathode stretching measurements
7. Cathode daughter board update.
    - final design status
    - 10th cathode daughter/ground board status and placement
8. STB/HVTB design update.
    - document for QA procedures of boards upon delivery (Kim)
    - document for board stuffing and cleaning procedures (Fernando)
    - document/instruction for board stuffing (Kim)
    - modifications to construction jig for component clearance
9. Plans for cathode flatness measurements.
    - discussion of plans for measurements in N.C.
    - decision on developing/procuring system at JLab
    - programming issues
10. +/-75 deg. cathodes.
    - status of mounting
    - plans for installation into small-scale prototype
    - discussion of electrical test plan
11. Wire quality studies with SEM.
12. Cooling system test update.
13. Design of LV/HV systems for FDC.
14. Dry air flow system design.
15. Design of gas handling system.
16. Planning for March DC review.
    - TDR update
    - Design drawings on web

**********************************************************************
*                                                                    *
* Dr. Daniel S. Carman                   e-mail : carman@jlab.org    *
* Staff Scientist                        office : (757)-269-5586     *
* Jefferson Laboratory                   web: www.jlab.org/~carman   *
*                                                                    *
**********************************************************************