Difference between revisions of "Minutes-11-10-2011"

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# Other
 
# Other
  
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= Minutes =
 
= Minutes =
  
Participants: Bill, Dave, Vladimir, Beni, Mark, and Lubomir.   
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Participants: Eugene, Bill, Dave, Chris, Simon, Vladimir, Beni, and Lubomir.   
  
 
== Production ==
 
== Production ==
  
- Dave on production (see the link above for details): Six cathodes for package#2 ready. Scanning of wire positions: the hardware problem we have with the controller (ADC from the sensor gives numbers in 2V range instead of 10V) was "fixed" by reducing the threshold to 1.8V in the software. Surprisingly now we almost never miss wires; before we had ~10% of filed wires missed. Still, Dave will write a report about the problem that will be sent to Parker (with Larry's help) till the controller is still has warranty. Unfortunately, it may take several weeks to fix the problem and we don't want to do this now.
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- Dave on second package production: first cell was installed, all the elements for the second cell are ready except to populate the wire boards (Chris will do it tomorrow).
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- Dave: yesterday we lost one phase at Blue Crab that affected the HVAC system for 2 hours. The particle counts went up to 41,000, but then dropped down to standard (~400) in few hours after the power came back. Bill suspects some dust accumulated in the returned ducks went into the clean room. Ron Bartek is aware of the problem. Fortunately only HVAC was affected and we could finish the electroplating that started before the outage, but we decided to install UPS system to be used for such critical operations. Mark offered a UPS and help to install it at Blue Crab. The UPS will be installed outside the clean room with extension cords going inside.   
 
- Dave: yesterday we lost one phase at Blue Crab that affected the HVAC system for 2 hours. The particle counts went up to 41,000, but then dropped down to standard (~400) in few hours after the power came back. Bill suspects some dust accumulated in the returned ducks went into the clean room. Ron Bartek is aware of the problem. Fortunately only HVAC was affected and we could finish the electroplating that started before the outage, but we decided to install UPS system to be used for such critical operations. Mark offered a UPS and help to install it at Blue Crab. The UPS will be installed outside the clean room with extension cords going inside.   

Revision as of 18:07, 10 November 2011

November 10, 2011 FDC meeting

Agenda

  1. Production Construction Tracking (Dave)
    • Production update
    • Second package tests (Lubomir)
  2. Engineering update (Bill)
  3. Electronics update (Chris)
  4. Test set-up at EEL126 (Beni)
  5. TDR (Lubomir)
  6. Other


Minutes

Participants: Eugene, Bill, Dave, Chris, Simon, Vladimir, Beni, and Lubomir.

Production

- Dave on second package production: first cell was installed, all the elements for the second cell are ready except to populate the wire boards (Chris will do it tomorrow).