# Presentation: 672675

## CMS Cathode Strip Chambers

_**Status Report**_
_**and**_
_**Schedule Update**_
_**as of **_
_**6/22/99**_
**by:  N. Chester**

## 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: ****14+28 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.**

- by N. Chester, 6/22/99

## 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**

- by N. Chester, 6/22/99

## 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 @ 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 @ 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)**

- by N. Chester, 6/22/99

## 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**

- by N. Chester, 6/22/99