Difference between revisions of "JEF meeting, August 30, 2019"
From GlueXWiki
(Created page with "Meeting time and location= 1:00 pm EST (JLab time) F228 =Connection instructions= <div class="toccolours mw-collapsible mw-collapsed"> We are using [https://cc.jlab.org/blue...") |
m (→Minutes) |
||
| (One intermediate revision by the same user not shown) | |||
| Line 22: | Line 22: | ||
=Agenda= | =Agenda= | ||
China trip report (Sasha) | China trip report (Sasha) | ||
| + | |||
| + | =Minutes= | ||
| + | Attendees: Sasha, Josh, Liping, Simon | ||
| + | * Sasha, Liping and Zhenyu (Jane) visited the Shanghai Ceramic Institute | ||
| + | ** Institute looks good visually | ||
| + | ** The institute has 2 rooms for growing crystals | ||
| + | *** Can grow 2 at time, takes about 3 weeks to grow 30 crystals | ||
| + | *** Will operate 4 ovens for our job | ||
| + | *** On schedule to deliver first crystals in November | ||
| + | ** Institute has test facility for light transmission and light yield with radioactive source | ||
| + | *** Will compare our measurement to theirs | ||
| + | ** Plan is for Jane to work on QA (visual inspection,...) with the institute | ||
| + | *** Working on plan with Rolf and Eugene for paying Wuhan -- service contract? | ||
| + | * Need 2-3 FTEs for assembly,etc. of crystals -- potential for manpower from Yerevan? | ||
| + | * Frame design for FCAL-II underway, progress on insert in global design, plan to stay with existing FCAL frame | ||
| + | ** Plan to meet with Tim in next 1-2 weeks | ||
| + | * Small scale prototype for stacking and other tests | ||
| + | ** Josh is working on design for single-crystal assembly that will allow placing a set of 12 in a box for study with beam using the pair spectrometer | ||
| + | ** Some details still need to worked out | ||
| + | *** Brass straps need to be thicker (25 micron -> 50 micron) or maybe make from stainless steel? | ||
| + | *** Stress analysis, tests | ||
| + | *** Light guide dimensions | ||
| + | *** Cookies for crystal-light guide connection -- how much pressure is needed? what material? | ||
| + | *** To glue or not to glue LG to PMT? Probably glue. | ||
| + | ** Need to build more modules, but Josh first wants to bring first module "best guess design" to completion | ||
Latest revision as of 16:05, 2 September 2019
Meeting time and location= 1:00 pm EST (JLab time) F228
Connection instructions
We are using BlueJeans Video/Audio conferencing. Our meeting ID number is 992533564. Click "Expand" for more details.
- Make sure you have created a BlueJeans account via your JLab CUE account using this link:
- http://jlab.bluejeans.com (You should only need to do this once)
- If connecting via Web Browser: click this link (no passcode is needed):
- If connecting via Phone: Dial one of the following numbers and then enter the meeting ID above and hit "#" or "##"
- Dial: 1 888 240 2560 (US or Canada only)
- or, List of International Numbers
- If connecting via Polycom unit:
- Dial 199.48.152.152 or bjn.vc
- Enter meeting ID above
Agenda
China trip report (Sasha)
Minutes
Attendees: Sasha, Josh, Liping, Simon
- Sasha, Liping and Zhenyu (Jane) visited the Shanghai Ceramic Institute
- Institute looks good visually
- The institute has 2 rooms for growing crystals
- Can grow 2 at time, takes about 3 weeks to grow 30 crystals
- Will operate 4 ovens for our job
- On schedule to deliver first crystals in November
- Institute has test facility for light transmission and light yield with radioactive source
- Will compare our measurement to theirs
- Plan is for Jane to work on QA (visual inspection,...) with the institute
- Working on plan with Rolf and Eugene for paying Wuhan -- service contract?
- Need 2-3 FTEs for assembly,etc. of crystals -- potential for manpower from Yerevan?
- Frame design for FCAL-II underway, progress on insert in global design, plan to stay with existing FCAL frame
- Plan to meet with Tim in next 1-2 weeks
- Small scale prototype for stacking and other tests
- Josh is working on design for single-crystal assembly that will allow placing a set of 12 in a box for study with beam using the pair spectrometer
- Some details still need to worked out
- Brass straps need to be thicker (25 micron -> 50 micron) or maybe make from stainless steel?
- Stress analysis, tests
- Light guide dimensions
- Cookies for crystal-light guide connection -- how much pressure is needed? what material?
- To glue or not to glue LG to PMT? Probably glue.
- Need to build more modules, but Josh first wants to bring first module "best guess design" to completion
