# Presentation: 416267

## Schedule

_**Schedule**_

- In preparation

- Done

- Done

- Done

- Done

- Done

- Done

- Done

- Started

- Done

- Done

- Done

- Started

- Half done

- PMG, Aug 03, 2000

## Action Triggers

- Currently:
- 6 disks complete
- 3 barrels complete
- Produced 2 disks in the months of May, June and July
- Wedge production proceeding at significantly faster pace

- PMG, Aug 03, 2000

## Sensor Delivery 

- _Sensor Delivery _

- Axial detectors (3-chip):
- All sensors in hand
- 90o detectors, DSDM (6-chip):
- ~19 sensors still to be delivered
- July delivery: 28 sensors
- Complete order in August !
- Some sensors will be returned but will have no impact on availability of good devices for completion of detector
- 2o detectors (9-chip)
- Still to deliver 19 (lyr2) sensors
- Delivery should not be a problem
- If we need to call into effect fallback: ~10 sensors
- Fallback: Accept sensors which have higher Rbias , ~50 sensors have been identified
- F-Wedge sensors
- All sensors (Micron + Eurisys) in hand
- H-Wedge sensors
- All sensors in hand

- 

- 

- ()

- PMG, Aug 03, 2000

## High Density Interconnect Status

- 3-chip hdi’s
- done
- 6-chip hdi’s
- done (6 hdi’s to Promex for backup)
- 9-chip hdi’s
- 26 + 32 hdi’s processed at Promex
- ~12 sent to Promex. Last batch !
- F-wedge hdi’s
- 18 hdi’s processed at Promex
- 22 sent to Promex. Last batch !
- H-wedge hdi’s
- 20 at Silitronics. Last batch !

- Total to be stuffed:
- Promex: ~40
- Silitronics: ~20

- PMG, Aug 03, 2000

## Ladder and Wedge Production

- Axial detectors (3-chip):
- Ladder production continuing; 4-5 more ladders to go
- 2o detectors (9-chip):
- Production lagging due to availability of hdi’s
- Surface mount at Promex faster than anticipated
- First hdi’s from new batch received at Fermilab and burn-in and production started
- Hope to make up some of the lag incurred over the course of the last month
- 90o detectors (6-chip):
- Paced by Micron delivery, 136 ladders built so far, 107 A/B grade
- Enough ladders for barrel 4
- Ladder production should proceed adequately
- F Wedges (14-chip):
- Production proceeding at adequate pace
- Sensor and hdi availability not a problem
- Testing sensors is cumbersome
- H Wedges (6-chip):
- 192 half wedges produced to date, 115 A/B grade
- Half wedge production proceeding adequately
- Glued 64 full wedges of which 33 A/B grade
- Encapsulation is slow and tedious process
- Enough wedges for first two H disks, enough graded for first

- PMG, Aug 03, 2000

## Production Status and Projection

- _Production Status and Projection_

- Projected rates:			assumed yield	capacity
- 9-chip:     >12.0/week 	      80%		    15/wk
- 6-chip:     6.1/week	      85%		    10/wk
- H-wedge: 6.2 week	      85%		    10/wk
- F-wedge:  3.4/week	      90% 		    15/wk
- Slope for end game for 9-chip ladder production getting steeper !Nominal completion date for ladder production still early September

- Nov 1, 00

- Aug 28, 00

- today

- PMG, Aug 03, 2000

## Production Rate 

- PMG, Aug 03, 2000

## Production Schedule Summary 2nd half cylinder

- “short tails”

- Barrel assembly going to be driven by availability of 9-chip ladders
- Enough 6-chip ladders available for barrel 4; trying to improve overall quality of ladders
- 9-chip ladder production should pick up rapidly so no delay will be incurred

- PMG, Aug 03, 2000

## F Disk Status

- _The Point of No Return _

- Disks 10 and 12 assembled
- Disk 10 first to be dropped in fallback scenarios
- Disk 11 is being assembled; All 6 disks for first half cylinder completed
- Thus, it is implicit that there is no descoping of the silicon detector! Any remaining fallback is in scheduling

- PMG, Aug 03, 2000

## Barrel / Disk Assembly and Mounting

- Fixturing proceeding for barrel disk mounting and installation
- Barrel Removal Fixture, completed
- Barrel / Disk mating fixture, completed
- Barrel / Disk insertion fixture, behind schedule
- End Disk Assembly Insertion Fixture, behind schedule
- Silicon Support Cradle, “tumbler”, completed
- .........

- All barrels for first half cylinder done, but
- refitting of barrel 1 (grounding)
- final surveys of barrels
- F disks:
- Preparation of central ring of end assembly
- Radiation Monitors
- H disks
- CMM programming complete
- Ring assembly started. One side of first ring completed and ring flipped over
- Support cylinder
- ready

- PMG, Aug 03, 2000

## 10% Test

- Interface Board design nearly complete
- “Acceptable” solution for cross talk still gives glitches
- Need to implement ALTERA FPGA
- Still to be tested more thoroughly
- Design will then be frozen for first 2/15 production boards
- termination of bus lines decided
- Controls and Monitoring features of board have been verified
- Board submitted for bid; vendor visit this Friday
- Interlock and Cooling system setup
- Disk F14 installed and being exercised:
- run coolant at 55 oF
- downloading
- biasing
- readout
- L3 and examine
- Plan to shake out system with disk F14 and then move to barrel/disk readout

- PMG, Aug 03, 2000

## Low Mass Cables

- Delivery recently slowed down to 35/wk, whereas 56/wk needed, due to vacation and bereavement
- Keeping close watch on production
- Enough cables available for first half cylinder

- PMG, Aug 03, 2000