not so NEW anymore
2008-12-02 production
Add the Laser Fibre Feedthrough as provided by Victora
As see in the (right)figure, the light stick should be translated, away from the endplate horizontal-center-line, by 0.24mm.
The (right)figure is available in pdf in the drawing of the field cage termination, 6080-130, sheet 2, which is available on the drawing page.
2008-09-24 production
6080-104 Backframes
..... 6 "3GEMG" arrived in Bonn 2008-09-08
..... 3 "Micromegas" arrived in Saclay 2008-09-08
..... I have, at Cornell, (3) "3GEMG" and (1) Micromegas that have passed inspection.
..... (14) parts have been returned to the vendor for corrections.
.............. Today, I expect to go to the vendor to inspect the first corrected part.
6080-127 Victoria Light insert
.....
arrived 2008-09-09 must inspect,
..... decreased o-ring groove depth
6080-128 laser access cover
.....
arrived 2008-09-19, must inspect,
..... decreased o-ring groove depth
6080-140, 141 dowel pins
.....
arrived 2008-09-09 (complete),
..... inspection started, Maybe I will "clean" in citric acid, to remove 0.0002 inch (5 micron).
..... There are 6 sizes: (unit=mm)
3/3, 3/2.98, 3/2.96,
3/3.2, 3/3.18, 3/3.16 .
6080-142 Field cage termination standoffs
..... revised o-ring diameter
..... ordered 2008-09-22,(after revising the tolerances) in aluminum and PEEK (unfilled)
2008-04-09 What was ordered?
Endplates .................. (2)
Mounting Brackets ... (16), enough for both endplates, plus spares.
Field Cage Termination assemblies: (2)
BackFrames
"3GEMG" ................(20), 6 for active modules, 14 dummies to be constructed at Bonn
.........................................plus, there were 2 delivered to Saga 2008-02-28
"Micromegas" ........... (6), all for active modules
.........................................plus, there were 2 delivered to Saclay
2008-02-28
"3GEM No Gate" ..... (1)
"Pixel GEM" ............. (0)
.........................................there were 2 delivered to Bonn 2008-02-28
2008-09-24 status of the drawings
.......
go to the page of current drawings
for all current drawings, including Endplate, Back-Frame and Mounting Bracket,
.......
go to the page of model figures
for several recent model figures
Modifications since 2008-08-27
2008-08-29, 6080-127 Blank-off ( Victoria Light Insert) revised o-ring groove depth
2008-08-29, 6080-128 Laser Access Cover revised o-ring groove depth
2008-08-21, 6080-140,141 dowel pins (for locating mounting Bracket and Back Frame)
2008-09-12, 6080-142 revised Field Cage Termination Standoff
(DESY-FLC-TPC)