Berkeley Update

Oswald Siegmund & Jason McPhateLAPP Weekly Telecon

11 January 2011

J. McPhate – LAPP Weekly Telecon 2

8” x 8” MCP Electroding

11 January 2011

•1 of 2 remaining large MCPs electroded (Inconel 600) on both sides•This is the one with the now longer crackOther plate will be coated this week

J. McPhate – LAPP Weekly Telecon 3

8” x 8” MCP Electroding (cont)

11 January 2011

•Multiple instances of large inter-multi gaps

•Like those noted by Anil for 33mm MCP #131 with outlier resistance value

J. McPhate – LAPP Weekly Telecon 4

200 mm Test Detector

11 January 2011

•Fabrication of large 8.66” cross-delay line anode complete

•Fabrication matches designs

•Bench-top electrical (pulsing) is under way to verify electrical properties

•Should allow <200 µm spatial resolution using existing electronics

•Other piece parts continue to arrive from the shop

J. McPhate – LAPP Weekly Telecon 5

Cathodes

• Antimony beads arrived from Bob - thanks- and we have loaded one of these, and one of ours into the next cathode shoot

• New ones are about 20% the size of ours, so it will only last for one of our cathode shots

• Next cathode shot has two sample holders, each with – 1X B33-bare– 2X B33 with ITO– 1X B33 with ITO and MgO

11 January 2011