CMS Cathode Strip Chambers

1
CMS Cathode Strip Chambers

• Status Report
• and
• Schedule Update
• as of
• 6/22/99
• by N. Chester

2
ME234/2

• Design Changed due to low resistance measurements
  found on Aging Chamber
• - Deleted Isolation Strip, replaced with 200
  micron wire, Redesigned Spacer Bars.
• - Frame Drawings in process Drawing updates
  for design changes to follow.
• P2(ME234/2 pre-production)Panel Production in
  Progress
• - Cathode panels glued and ready for component
  assembly
• - Anode panel gluing to start 6/22/99
• - Frame available from Wisc. to be delivered
  this week
• - Hope to complete assembly mid July, schedule
  is tight.
• Production Status
• - Panels 1428 panels received 200 yet due
  from initial production order Expect about 28
  per week to come in. Order for balance (1800)
  of panels in process.
• - Lab 8 Some problem obtaining accuracy
  between Axxiom and Gerber Machines on initial 14
  panels. Improved registration process on Gerber
  to be tried on next 28 panels beginning 6/22/99.
• -MP9 Production planned to start in October
  Clean room being assembled Vacuum and Gas
  supply system to follow Most tooling is
  available.

3
ME1/2, ME1/3, ME2/1, ME3/1

• ME1/2
• - Chamber Design in final stages To complete
  by 7/1/99.
• - P4 prototype to be built by October, 1999.
• ME2/1
• - P3 and P3 - Design drawings complete
  Drawings presently being converted to Production
  Drawings Some changes to be made based on Aging
  chamber experience.
• - P3 prototype being readied to send to UCLA for
  testing Crate is now available.
• P3 Chamber Kit parts and Tooling are on order
  and being accumulated Expect to have all
  available and ready for shipment to PNPI by
  September, 1999.
• ME1/3 ME3/1
• - Designs previously started and set aside each
  about 50 complete Will be revisited once above
  designs completed. Expect to finish designs by
  October, 1999

4
Prototype Schedule

• 01 Nov. 98 Aging CSC Dwgs. Comp Parts Ordered
• 20 Nov. 98 P2 Proto. Assembled (ME2/2)
• 20 Dec. 98 ME 2, 3 /2 Chamber Design Complete
• 01 Jan. 99 P3 Proto. Assembled _at_ FNAL (ME2/1)
• 15 Jan. 99 ME 2, 3 /2 Chamber Design Review
• 01 Feb. 99 Aging CSC Proto. Assembled
• 01 Feb. 99 ME 2, 3/2 All Drawings Released
• 01 Mar. 99 P2 All Parts Ordered (ME 2, 3 /2)
• 15 Mar. 99 Panel Production Site Readiness
  Review
• 01 Apr. 99 7/1 P4 Proto. Drawings Complete
  (ME 1/2)
• 01 Jun. 99 7/15 P2 Proto. Assembled (ME2/2)
• 01 Jul. 99 9/99 P3 Proto. Sent to PNPI
  w/Tooling (ME 2/1)
• 15 Sep. 99 Chamber Assembly Site Readiness
  Review
• 01 Oct. 99 P5 Proto. Drawings Complete (ME
  3/1) P6 Proto. Drawings Complete (ME 1/3)
• P4 Proto. Assembled _at_ FNAL (ME 1/2)
• 01/07/00 P4 Proto. Sent to IHEP w/Tooling (ME
  1/2)
• 01/09/00 P5 Proto. Sent to PNPI w/Tooling (ME
  3/1)
• P6 Proto. Sent to IHEP w/Tooling (ME 1/3)

5
Production Milestones

• April, 1999 - ME2, 3 / 2 Design
  Finalized Panel Production Begins
• October, 1999 - Production of ME 2,
  3/2
• Chambers
  begin
• October, 2000 - Complete Assembly and
  Test of 23 Chambers -
  Begin Production of Smaller
  Panels forForeign Site
  Assembly
• January, 2001 - Begin Chamber
  Production
• at
  Foreign Sites
• October, 2003 - All 148 ME2, 3 / 2
  Chambers Assembled and Tested
  All Parts Kits Shipped