11

Update on HBD @ SBUpdate on HBD @ SB

The Stony Brook CrewThe Stony Brook Crew

22

QE Reproducible in Addn’l TestQE Reproducible in Addn’l Test

Excellent QE again (basically identical).Excellent QE again (basically identical). Era of good QE production as the principal concern Era of good QE production as the principal concern

still over.still over. Working focus is maintaining QE after production.Working focus is maintaining QE after production.

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Coping with Glove Box CostsCoping with Glove Box Costs Initial Glove Box Quotes too high.Initial Glove Box Quotes too high. Change to purged air-lock.Change to purged air-lock. Adapt Protocol for smaller box. Adapt Protocol for smaller box.

Change 1:Change 1: GEMSGEMSVacuum after testing.Vacuum after testing. After enough good GEMs made, After enough good GEMs made, retaskretask the the

glove box to installation.glove box to installation.

Change 2:Change 2: Laminar hood for GEMLaminar hood for GEMEvap BoxEvap Box Removes this task from Glove Box.Removes this task from Glove Box.

New bids match $53k quote on New bids match $53k quote on smaller/purged air-lock box.smaller/purged air-lock box.

44

$$$ redux.$$$ redux. Craig Woody & Co. have redesigned Craig Woody & Co. have redesigned

transparency monitor saving costs (see transparency monitor saving costs (see Craig’s talk).Craig’s talk). Socoro placing order with sole source letter.Socoro placing order with sole source letter. Advice: Stress compatibility and inter-Advice: Stress compatibility and inter-

changeable parts with existing spectrometer,changeable parts with existing spectrometer, Overall reconsideration of costs in MRIOverall reconsideration of costs in MRI

Should allow $53k box to be purchased within Should allow $53k box to be purchased within existing funds.existing funds.

Still we’ll live lean after purchase.Still we’ll live lean after purchase. New Bid process was out the door Tuesday New Bid process was out the door Tuesday

this week.this week.

55

INFN Glove Box (failsafe plan)INFN Glove Box (failsafe plan) Failsafe only (hopefully don’t need).Failsafe only (hopefully don’t need). The gloves are home made design.The gloves are home made design.

Suggestion from local company:Suggestion from local company:““If you buy our smallest diameter 36” long glove If you buy our smallest diameter 36” long glove and cut it to 20” long, to fit mounts you have.”and cut it to 20” long, to fit mounts you have.”

Leak tests (Vlad) show that the leaks Leak tests (Vlad) show that the leaks are primarily bad design:are primarily bad design: Threads on most all bolts leak.Threads on most all bolts leak. One bolt missing One bolt missing (leaks like wind).(leaks like wind). Possible to seal with Vacuum grease?Possible to seal with Vacuum grease?

Not the favorite option:Not the favorite option: Could be sealed.Could be sealed. No air-lock.No air-lock. Mechanical changes to swap gloves.Mechanical changes to swap gloves.

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Laminar Table InstalledLaminar Table Installed Tested and works!Tested and works! Moved from “Room 7” to tent.Moved from “Room 7” to tent. Just big enough for Evap Box.Just big enough for Evap Box. Dramatically increased dexterity Dramatically increased dexterity

for handling GEMs prior to CsI for handling GEMs prior to CsI deposition.deposition.

Costs for new filters slightly Costs for new filters slightly below our estimates in new below our estimates in new budget (~80% of estimate).budget (~80% of estimate).

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Vacuum Storage BoxVacuum Storage Box New flanges for ends made.New flanges for ends made. Came in at estimated cost.Came in at estimated cost. Still needs flange for turbo.Still needs flange for turbo. We’ll get pump (free) in a couple We’ll get pump (free) in a couple

of weeks when Pietralla no of weeks when Pietralla no longer needs one of the multiple longer needs one of the multiple beam lines he’s using.beam lines he’s using.

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Local MiscellanyLocal Miscellany Procedures:Procedures:

Updated, well understood.Updated, well understood. GEM plate for Evap Box:GEM plate for Evap Box:

Design finishedDesign finished In the shop (CNC).In the shop (CNC).

Lift table for handling Evap Box.Lift table for handling Evap Box. SB Railroad (concept done).SB Railroad (concept done). Bids resubmitted (WILL fit).Bids resubmitted (WILL fit).