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Basic Information for VPA38887-W02079
Brief description of DB components associated to this Module and associated tests
SensorIVSvc::read INFO Using measurement with voltage 700.520000 and current 0.124710 for current stability calculation
SensorIVSvc::read INFO Using measurement with voltage 700.520000 and current 0.122810 for current stability calculation
SensorIVSvc::read INFO Using measurement with voltage 700.520000 and current 0.122810 for current stability calculation
SensorIVSvc::read INFO Using measurement with voltage 700.520000 and current 0.122610 for current stability calculation
SensorIVSvc::CalculateVBD INFO Average voltage 5.040000, current 0.020455, dIdV 0.003457
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.851828 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 15.030001, current 0.043215, dIdV 0.001088
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.378237 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 25.010000, current 0.052225, dIdV 0.000720
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.344590 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 35.049999, current 0.057635, dIdV 0.000359
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.218228 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 45.060001, current 0.061200, dIdV 0.000353
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.260209 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 55.060001, current 0.065565, dIdV 0.000519
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.435781 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 65.080002, current 0.069775, dIdV 0.000321
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.299401 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 75.099998, current 0.072235, dIdV 0.000170
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.177074 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 85.139999, current 0.072295, dIdV -0.000158
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.186504 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 95.130005, current 0.072305, dIdV 0.000162
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.213103 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 105.099998, current 0.074120, dIdV 0.000202
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.286430 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 115.129997, current 0.075830, dIdV 0.000139
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.211289 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 125.139999, current 0.077240, dIdV 0.000143
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.230985 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 135.139999, current 0.077155, dIdV -0.000158
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.277385 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 145.169998, current 0.077065, dIdV 0.000141
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.265076 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 155.169998, current 0.078825, dIdV 0.000211
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.416194 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 165.160004, current 0.080135, dIdV 0.000051
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.105112 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 175.199997, current 0.079995, dIdV -0.000078
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.171648 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 185.250000, current 0.080805, dIdV 0.000241
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.551403 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 195.250000, current 0.082870, dIdV 0.000172
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.406061 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 205.270004, current 0.085830, dIdV 0.000417
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.998476 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 215.270004, current 0.090190, dIdV 0.000455
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.085368 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 225.279999, current 0.092855, dIdV 0.000080
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.194958 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 235.300003, current 0.094215, dIdV 0.000192
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.478934 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 245.319992, current 0.096075, dIdV 0.000180
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.458501 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 255.330002, current 0.097685, dIdV 0.000142
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.370772 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 265.309998, current 0.099300, dIdV 0.000182
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.485298 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 275.320007, current 0.100315, dIdV 0.000021
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.057636 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 285.330017, current 0.101075, dIdV 0.000131
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.369069 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 295.350006, current 0.101035, dIdV -0.000139
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.405520 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 305.380005, current 0.100895, dIdV 0.000111
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.334626 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 315.399994, current 0.100655, dIdV -0.000159
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.498223 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 325.419983, current 0.102065, dIdV 0.000439
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.400465 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 335.279999, current 0.104385, dIdV 0.000024
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.076317 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 345.109985, current 0.104605, dIdV 0.000021
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.069421 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 355.119995, current 0.105715, dIdV 0.000200
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.672513 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 365.130005, current 0.105880, dIdV -0.000168
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.580514 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 375.149994, current 0.106895, dIdV 0.000369
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.294266 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 385.169983, current 0.109655, dIdV 0.000181
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.637048 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 395.170013, current 0.109965, dIdV -0.000119
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.426785 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 405.179993, current 0.109625, dIdV 0.000051
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.188499 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 415.179993, current 0.110685, dIdV 0.000161
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.603912 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 425.169983, current 0.111150, dIdV -0.000068
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.260634 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 435.170013, current 0.110815, dIdV 0.000001
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.003919 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 445.169983, current 0.111025, dIdV 0.000041
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.164725 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 455.179993, current 0.110735, dIdV -0.000099
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.405322 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 465.209991, current 0.110595, dIdV 0.000071
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.298060 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 475.230011, current 0.111605, dIdV 0.000131
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.556703 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 485.239990, current 0.110865, dIdV -0.000279
SensorIVSvc::CalculateVBD INFO V_avg_BD -1.221142 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 495.250000, current 0.109525, dIdV 0.000011
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.049641 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 505.279999, current 0.110285, dIdV 0.000140
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.643430 and VBD limit 5.552800
SensorIVSvc::CalculateVBD INFO Average voltage 515.270020, current 0.112400, dIdV 0.000284
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.300563 and VBD limit 5.652700
SensorIVSvc::CalculateVBD INFO Average voltage 525.289978, current 0.113815, dIdV 0.000001
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.004570 and VBD limit 5.752900
SensorIVSvc::CalculateVBD INFO Average voltage 535.330017, current 0.114175, dIdV 0.000071
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.333563 and VBD limit 5.853300
SensorIVSvc::CalculateVBD INFO Average voltage 545.349976, current 0.115635, dIdV 0.000220
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.036049 and VBD limit 5.953500
SensorIVSvc::CalculateVBD INFO Average voltage 555.340027, current 0.116095, dIdV -0.000130
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.622047 and VBD limit 6.053400
SensorIVSvc::CalculateVBD INFO Average voltage 565.320007, current 0.115805, dIdV 0.000071
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.345217 and VBD limit 6.153200
SensorIVSvc::CalculateVBD INFO Average voltage 575.330017, current 0.115620, dIdV -0.000108
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.538490 and VBD limit 6.253300
SensorIVSvc::CalculateVBD INFO Average voltage 585.340027, current 0.115985, dIdV 0.000180
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.909811 and VBD limit 6.353400
SensorIVSvc::CalculateVBD INFO Average voltage 595.359985, current 0.116745, dIdV -0.000029
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.147890 and VBD limit 6.453600
SensorIVSvc::CalculateVBD INFO Average voltage 605.380005, current 0.116755, dIdV 0.000031
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.160096 and VBD limit 6.553800
SensorIVSvc::CalculateVBD INFO Average voltage 615.410034, current 0.117665, dIdV 0.000151
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.788182 and VBD limit 6.654100
SensorIVSvc::CalculateVBD INFO Average voltage 625.409973, current 0.119175, dIdV 0.000151
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.794010 and VBD limit 6.754100
SensorIVSvc::CalculateVBD INFO Average voltage 635.419983, current 0.120085, dIdV 0.000031
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.163380 and VBD limit 6.854200
SensorIVSvc::CalculateVBD INFO Average voltage 645.450012, current 0.120195, dIdV -0.000009
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.048234 and VBD limit 6.954500
SensorIVSvc::CalculateVBD INFO Average voltage 655.460022, current 0.120205, dIdV 0.000011
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.059981 and VBD limit 7.054600
SensorIVSvc::CalculateVBD INFO Average voltage 665.460022, current 0.119920, dIdV -0.000068
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.377346 and VBD limit 7.154600
SensorIVSvc::CalculateVBD INFO Average voltage 675.479980, current 0.120735, dIdV 0.000230
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.287234 and VBD limit 7.254800
SensorIVSvc::CalculateVBD INFO Average voltage 685.500000, current 0.122495, dIdV 0.000121
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.677134 and VBD limit 7.355000
SensorIVSvc::CalculateVBD INFO Average voltage 695.510010, current 0.123905, dIdV 0.000161
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.901930 and VBD limit 7.455100
SensorIVSvc::CalculateVBD INFO Calculated VBD to be 690.500000
SensorIVSvc::read INFO Mean voltage for current stability 0.123235 calculated with 4 points
SensorIVSvc::read INFO RMS current stability 0.006942
IService::UPLOADDB INFO Working on test code ATLAS18_IV_TEST_V1
SensorIVSvc::uploadDB INFO Formatting database upload for ATLAS18_IV_TEST_V1 and run number 1
SensorIVSvc::writeOutput INFO Writing results output file /home/data/output//SensorIV_PreTabIV_PPB_v1//VPA38887-W02079/1//VPA38887-02079_IV_001.dat
SensorIVSvc::getDate INFO Parsing date 2026-05-28T18:47:46.437+00:00...
SensorIVSvc::getDate INFO Year 2026
SensorIVSvc::getDate INFO Month 5
SensorIVSvc::getDate INFO Day 28
SensorIVSvc::getDate INFO Hour 18
SensorIVSvc::getDate INFO Minute 47
SensorIVSvc::getDate INFO Second 46
SensorIVSvc::getDate INFO Offset 0:0
SensorIVSvc::getDate INFO Converted month into string May
SensorIVSvc::getDate INFO FINALLY obtained 28 May 2026
IService::log INFO Logging status 0111 for component VPA38887-W02079
IService::install INFO Installing output directory to /home/data/modules/VPA38887-W02079/SensorIV_PreTabIV_PPB_v1-1/
IService::install INFO Installed warningLog.txt...
IService::install INFO Installed errorLog.txt...
IService::install INFO Installed infoLog.txt...
IService::install INFO Installed IVCurve.pdf...
IService::install INFO Installed VPA38887-02079_IV_001.dat...
IService::install INFO Installed DB_READY_SENSOR_ATLAS18_IV_TEST_V1.json...
IService::install INFO Installed VPA38887-W02079.root...
IService::install INFO Installed status.json...
MetaData::readField INFO Reading file /home/data/upload//SensorIV_PreTabIV_PPB_v1//VPA38887-W02078-1.config
IService::next INFO Scheduling Data_VPA38887-W02078-1.txt file to run...
IService::next INFO Writing results to /home/data/output//SensorIV_PreTabIV_PPB_v1//VPA38887-W02078/1/
Metadata
Value
Component type
ATLAS18LS
Operator
AS
Date
2026-05-28T18:47:46.437+00:00
Institute
UCSC
Power supply
CAEN_DT1415ET
Temperarture [C]
22.4
Humidity
10.0
Current per area @500V
0.928
Breakdown voltage
690.500
Current stability (RMS@700V)
0.007
The current measurements are calibrated to a common temperature using the following relationship:
$$I_{temp}^{SF} = \left ( \frac{T_{ref}}{T_{meas}} \right )^{2} \times e^{eE_{g}^{Si} \frac{T_{ref}-T_{meas}}{2 k_{B} T_{ref} T_{meas} }} $$
where \( T_{ref} \) is the reference temperature,
\( T_{meas} \) is the temperatured measured during the test,
\( e \) is the electric charge,
\( E_{g}^{Si} \) is the band gap energy of silicon, and
\( k_{B} \) is the Boltzman constant