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Hybrid & Module Testing Status
Week of 4/11-4/15
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UCSB Hybrid Testing Status
Weekly Cumulative Pass Fail % Pass L12pd 0.00% L34p 40 1 254 3 98.83% L56p 46 344 8 97.73% R5N 65 2 97.01% R5S 100.00% R6 87 98.86% R7 Total 796 14 98.27% Failing Hybrids Over-counted
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UCSB Hybrid Testing Failures
This Week 1 with short in PA Cumulative 6 with Shorts in PA Repairable 1 Major Scratch in PA 1 Smashed APV-PA Bonds 2 Failed Inspection Never should have sent 1 Broken Ceramic 1 Bad Bond Feet 1 Weak Wirebonds 1 with unknown failure
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UCSB Hybrid Testing Issues
Need to finish validation of new software Bruno contacted about bugs/features Need to add automatic upload of data to new software Hybrids with shorts need repairing Once repaired need to keep bookkeeping straight
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UCSB ARCS Testing Status
Weekly Cumulative A B F % A or B L12pu 0.00% L12pd L12su L12sd L34p 85 1 2 97.73% L56p 49 194 98.98% R5N 6 32 97.06% R5S R6 3 9 100.00% R7 Total 58 320 5 98.48%
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UCSB ARCS Testing Failures
This Week 1 with >20 mA Bias Current Scratched sensor Cumulative 1 with >2% Bad Channels Debris on sensor 1 Bad DCU 1 HV Shorted to CF Frame 2 with >20 mA Bias Current 1 leaky pinhole 1 scratched sensor
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UCSB ARCS Testing Issues
Need to confirm cuts on TEC modules Getting some confusion between 1SO/2SO Have not produced TEC R6 modules in a year Still need to validate ARCS 8.0 Currently using ARCS 7.2bugfix
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UCSB Module Quality On 328 modules using HPK modules:
18 pinholes 47 shorts 45 noisy channels 86 opens Percentage of bad channels: 0.09%
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UCSB LT Testing Status Weekly Cumulative Pass Fail % Pass L12pu 0.00%
Pass Fail % Pass L12pu 0.00% L12pd L12su L12sd L34p 84 100.00% L56p 47 185 R5N 15 27 R5S R6 6 R7 Total 62 302
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UCSB LT Testing Issues We are seeing a low level problem with low noise/mis-initialization of modules Found that there is usually a resistive connection between extender and backplane Reseating extender always fixes problem Will need to watch to see if problem is worsening with time
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