Qualification Summary - Prague CU

March 31, 2004

Module	Result	Comments
20220990290385	PASS	9 additional bad channels
20220990290407	FAIL	27 additional bad channels, suspect IV, FullBypass Test FAIL, noise bumps
20220990290408	PASS	6 additional bad channels, BLG at SD fraction of 0.25, disappears at 0.40, difficult to cool
20220990290409	PASS	1 additional bad channel, no unbonded channels
20220990290410	PASS	12 additional bad channels

Module 20220990290385 - S001

Visual Inspection:

No defects

Comments:

PASS qualification conditions, 9 additional bad channels
IV after training not performed, module had to be shipped to Valencia for metrology crosscheck before it could be done
original sctdaq analysis showed 'partbonded' defects, due to too low noise below the original cut (800 e). New offline analysis results shown below

Electrical Tests

Test Name	Result	Comment
Long Term Test	PASS
FullBypassTest	PASS
RedundancyTest	PASS
Pipeline Test	PASS
StrobeDelay	PASS
ThreePointGain	FAIL	21 bad strips
TrimRangeScan	FAIL	17 bad strips
ResponseCurve	FAIL	21 bad strips
NO	PASS
TimeWalk	PASS
IV Curve	---

Defects Summary

Defect	Hybrid Results - Munich 20220990107675	Module Results - Munich	Module Results - Prague CU (added to hybrid)	Comment (according to MPI)
Unbonded		4	4 (add 4)
Low offset		0	1	add 69, before low gain
High offset	3	3	4	add 1468, before low gain
Low gain	2	4	6 (add 5)	vanish 3, 11, 69, 1468 add 108, 128, 247, 339, 615, 617 (gain in MPI was also lower compared to neighbouring strips, but inside limits)
High gain	2	2	2
Stuck	3	3	3
Dead	2	2	1	vanish 339, now low gain
Partbonded		19		due to range change
Trim defects	--		2	no trim results available for hybrid (no Freiburg data available)
Sum	12		21 + 2 (add 9)

Module 20220990290407 - S002

Visual Inspection:

broken sensor corner
bonding of channels that are classified as UNBONDED seems OK, suspect fan-in traces due to scratch

Comments:

FAIL due to:
27 additional bad channels
high leakage current, suspect IV (see IV and LTT)
FullBypass Test FAIL: already present in the hybrid at MPI (except for one measurement which passed), no Freiburg hybrid data available
noise bumps: independent on Strobe Delay, temperature or HV, but after long time biasing number dropped to 5 (compared to 7 in MPI), not classified as DEFECT

Electrical Tests

Test Name	Result	Comment
Long Term Test	PASS
FullBypassTest	FAIL	already on a hybrid
RedundancyTest	PASS
Pipeline Test	PASS
StrobeDelay	PASS
ThreePointGain	FAIL	33 bad strips
TrimRangeScan	FAIL	26 bad strips
ResponseCurve	FAIL	33 bad strips
NO	PASS
TimeWalk	PASS
IV Curve	PASS

Defects Summary

Defect	Hybrid Results - Munich 20220990107658	Module Results - Munich	Module Results - Prague CU (added to hybrid)	Comment (according to MPI hybrid results)
Unbonded		3	4 (add 4)
Low offset
High offset	1		2 (add 1)
Low gain			16 (add 16)
High gain	1			c. 39 - ok in module test
Stuck	2		5 (add 3)
Dead	2	24	3 (add 1)
Noisy		1	3 (add 3)
Trim defects	--	7	7	no trim results available for hybrid (no Freiburg hybrid data available)
Sum	6		33 + 7 (add 28, 1 disappeared)

Module 20220990290408 - S003

Visual Inspection:

bonding of channels that are classified as UNBONDED seems OK, suspect fan-in traces due to scratch

Comments:

PASS qualification conditions, 6 additional bad channels
BLG at SD fraction of 0.25, disappears at 0.40, or above T=25 deg C
difficult to cool (35 deg C difference between cooling point and thermistor), exchange of module box does not help
original N.O. at cold with 3 modules running shows tail (N.O.@ 1 fC still 1E-07), with optimized grounding nice S-curves achieved (N.O.@ 1 fC 3E-09)

Electrical Tests

Test Name	Result	Comment
Long Term Test	PASS
FullBypassTest	PASS
RedundancyTest	PASS
Pipeline Test	PASS
StrobeDelay	PASS
ThreePointGain	FAIL	17 bad strips
TrimRangeScan	PASS
ResponseCurve	FAIL	17 bad strips
NO	PASS
TimeWalk	PASS
IV Curve	PASS

Defects Summary

Defect	Hybrid Results - Freiburg (DB) 20220553220603	Module Results - Munich	Module Results - Prague CU (added to hybrid)	Comments
Unbonded		5	5 (add 5)
Low offset
High offset
Low gain
High gain
Stuck	4	4	4
Dead	8	8	8
Noisy		15
Trim defects	1		2 (add 1)
Sum	13		19 (add 6)

Module 20220990290409 - S004

Visual Inspection:

No defects

Comments:

PASS qualification conditions, 1 additional bad channel, 16 in total
no unbonded channel

Electrical Tests

Test Name	Result	Comment
Long Term Test	PASS
FullBypassTest	PASS
RedundancyTest	PASS
Pipeline Test	PASS
StrobeDelay	PASS
ThreePointGain	PASS
TrimRangeScan	PASS
ResponseCurve	PASS
NO	PASS
TimeWalk	PASS
IV Curve	PASS

Defects Summary

Defect	Hybrid Results - Freiburg (DB) 20220553220704	Module Results - Munich	Module Results - Prague CU (added to hybrid)	Comments
Unbonded
Low offset		1	1	1077 - Dead in hybrid test
High offset
Low gain	1	1	1
High gain
Stuck	3	3	3
Dead	8	7	7
Noisy		4	2 (add 2)	according to MPI vanish 768, 1535 (due to different range) both noisy channels are around the low gain channel (block of three bad channels)
Trim defects	3	---	2 (1disappeared)	vanish 1280
Sum	15		16 (add 2, 1 disappeared)

Module 20220990290410 - S005

Visual Inspection:

channels 334,354,504 (UNBONDED from SCTDAQ): missing bondwire (bondpad shows attempt to put bond), all lower bonds
channels 754,760,766 (UNBONDED from SCTDAQ): bent bonds, no discontinuity observed

Comments:

PASS qualification conditions, 12 additional bad channels
2 channels wrongly trimmed in trim file -1 (spoils N.O. shape)
N.O. with trim file 0 (2 problematic channels masked) is OK (see below)

Electrical Tests

Test Name	Result	Comment
Long Term Test	PASS
FullBypassTest	PASS
RedundancyTest	PASS
Pipeline Test	PASS
StrobeDelay	PASS
ThreePointGain	FAIL	25 bad strips
TrimRangeScan	FAIL	18 bad strips
ResponseCurve	FAIL	24 bad strips
NO	PASS
TimeWalk	PASS
IV Curve	PASS

Defects Summary

Defect	Hybrid Results - Freiburg (DB) 20220553220701	Module Results - Munich	Module Results - Prague CU (added to hybrid)	Comments
Unbonded		6	6 (add 6)
Low offset
High offset
Low gain	4		10 (add 5)	66 dead on hybrid add 915, 1362-1364, 1468
High gain
Stuck	2		2
Dead	7	14	6	MPI results: all defects from 3pg are summed here, added channel 0, missed 513, 915, 1468 (according to Prague)
Noisy		2		767-768 - OK in Freiburg and Prague results
Trim defects	1	--	2 (add 1)
Sum	14		26 (add 12)