The information on this page was generated on Tue Feb 10 14:22:53 2026 (probably UTC). You may click the button below to manually regenerate the content.
Basic Information for VPA38888-W02151
Brief description of DB components associated to this Module and associated tests
SensorIVSvc::read INFO Using measurement with voltage 700.000000 and current 0.554670 for current stability calculation
SensorIVSvc::read INFO Using measurement with voltage 700.020000 and current 0.553070 for current stability calculation
SensorIVSvc::read INFO Using measurement with voltage 700.020000 and current 0.550970 for current stability calculation
SensorIVSvc::read INFO Using measurement with voltage 700.020000 and current 0.548670 for current stability calculation
SensorIVSvc::CalculateVBD INFO Average voltage 4.970000, current 0.031020, dIdV 0.005493
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.880073 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 14.920000, current 0.072830, dIdV 0.002924
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.599013 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 24.930000, current 0.098420, dIdV 0.002190
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.554636 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 34.950001, current 0.118710, dIdV 0.001860
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.547694 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 44.970001, current 0.134700, dIdV 0.001331
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.444471 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 54.980000, current 0.146490, dIdV 0.001024
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.384323 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 64.980003, current 0.155430, dIdV 0.000764
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.319402 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 75.000000, current 0.162920, dIdV 0.000731
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.336550 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 84.909996, current 0.168815, dIdV 0.000455
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.228859 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 94.910004, current 0.172005, dIdV 0.000189
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.104202 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 105.029999, current 0.175490, dIdV 0.000503
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.301040 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 115.050003, current 0.180530, dIdV 0.000503
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.320553 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 125.059998, current 0.185470, dIdV 0.000484
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.326355 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 135.059998, current 0.189460, dIdV 0.000314
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.223841 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 145.050003, current 0.193950, dIdV 0.000585
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.437633 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 155.059998, current 0.199440, dIdV 0.000512
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.398031 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 165.100006, current 0.204775, dIdV 0.000551
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.444080 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 175.119995, current 0.210760, dIdV 0.000644
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.535098 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 185.110001, current 0.215205, dIdV 0.000245
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.211161 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 195.100006, current 0.220150, dIdV 0.000744
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.659343 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 205.110001, current 0.227135, dIdV 0.000652
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.588502 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 215.130005, current 0.232870, dIdV 0.000493
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.455456 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 225.149994, current 0.238410, dIdV 0.000613
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.578693 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 235.150009, current 0.246300, dIdV 0.000966
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.922204 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 245.160004, current 0.254290, dIdV 0.000631
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.608802 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 255.160004, current 0.260430, dIdV 0.000596
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.584317 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 265.149994, current 0.266520, dIdV 0.000623
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.619553 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 275.160004, current 0.271710, dIdV 0.000414
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.419257 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 285.149994, current 0.275850, dIdV 0.000415
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.428815 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 295.149994, current 0.281240, dIdV 0.000663
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.695450 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 305.029999, current 0.287385, dIdV 0.000580
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.615698 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 314.910004, current 0.293930, dIdV 0.000743
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.795514 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 324.910004, current 0.299470, dIdV 0.000365
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.395713 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 334.929993, current 0.304660, dIdV 0.000670
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.736547 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 344.940002, current 0.311550, dIdV 0.000707
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.782581 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 354.929993, current 0.317540, dIdV 0.000493
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.551066 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 364.940002, current 0.322180, dIdV 0.000434
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.491601 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 374.929993, current 0.328670, dIdV 0.000866
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.987582 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 384.929993, current 0.334910, dIdV 0.000383
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.440471 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 394.940002, current 0.340000, dIdV 0.000634
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.736447 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 404.950012, current 0.346790, dIdV 0.000723
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.843734 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 414.959991, current 0.353430, dIdV 0.000604
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.709153 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 424.959991, current 0.358920, dIdV 0.000494
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.584894 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 434.979980, current 0.364460, dIdV 0.000612
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.729884 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 444.940002, current 0.371155, dIdV 0.000734
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.879685 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 454.920013, current 0.376495, dIdV 0.000340
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.411159 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 464.959991, current 0.381380, dIdV 0.000634
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.772942 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 474.970001, current 0.386720, dIdV 0.000433
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.531975 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 484.989990, current 0.392010, dIdV 0.000623
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.770464 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 495.000000, current 0.398600, dIdV 0.000694
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.861841 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 505.010010, current 0.405440, dIdV 0.000673
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.837849 and VBD limit 5.550100
SensorIVSvc::CalculateVBD INFO Average voltage 515.029968, current 0.412230, dIdV 0.000683
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.852867 and VBD limit 5.650300
SensorIVSvc::CalculateVBD INFO Average voltage 525.020020, current 0.419120, dIdV 0.000697
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.872846 and VBD limit 5.750200
SensorIVSvc::CalculateVBD INFO Average voltage 535.000000, current 0.426210, dIdV 0.000724
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.908801 and VBD limit 5.850000
SensorIVSvc::CalculateVBD INFO Average voltage 544.989990, current 0.433800, dIdV 0.000796
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.999514 and VBD limit 5.949900
SensorIVSvc::CalculateVBD INFO Average voltage 554.989990, current 0.440590, dIdV 0.000563
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.709026 and VBD limit 6.049900
SensorIVSvc::CalculateVBD INFO Average voltage 564.989990, current 0.447480, dIdV 0.000816
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.029819 and VBD limit 6.149900
SensorIVSvc::CalculateVBD INFO Average voltage 574.979980, current 0.454270, dIdV 0.000544
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.688553 and VBD limit 6.249800
SensorIVSvc::CalculateVBD INFO Average voltage 584.979980, current 0.461110, dIdV 0.000824
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.045355 and VBD limit 6.349800
SensorIVSvc::CalculateVBD INFO Average voltage 594.969971, current 0.468900, dIdV 0.000735
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.933212 and VBD limit 6.449700
SensorIVSvc::CalculateVBD INFO Average voltage 604.970032, current 0.477540, dIdV 0.000992
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.256732 and VBD limit 6.549700
SensorIVSvc::CalculateVBD INFO Average voltage 614.979980, current 0.485730, dIdV 0.000644
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.815365 and VBD limit 6.649800
SensorIVSvc::CalculateVBD INFO Average voltage 624.969971, current 0.490370, dIdV 0.000285
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.362680 and VBD limit 6.749700
SensorIVSvc::CalculateVBD INFO Average voltage 634.979980, current 0.496860, dIdV 0.001010
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.290715 and VBD limit 6.849800
SensorIVSvc::CalculateVBD INFO Average voltage 645.000000, current 0.505400, dIdV 0.000694
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.885694 and VBD limit 6.950000
SensorIVSvc::CalculateVBD INFO Average voltage 655.010010, current 0.514040, dIdV 0.001032
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.314934 and VBD limit 7.050100
SensorIVSvc::CalculateVBD INFO Average voltage 665.010010, current 0.523130, dIdV 0.000786
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.998629 and VBD limit 7.150100
SensorIVSvc::CalculateVBD INFO Average voltage 675.000000, current 0.532420, dIdV 0.001074
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.361613 and VBD limit 7.250000
SensorIVSvc::CalculateVBD INFO Average voltage 685.000000, current 0.542660, dIdV 0.000974
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.229481 and VBD limit 7.350000
SensorIVSvc::CalculateVBD INFO Average voltage 695.000000, current 0.551100, dIdV 0.000714
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.900435 and VBD limit 7.450000
SensorIVSvc::CalculateVBD INFO Calculated VBD to be 690.000000
SensorIVSvc::read INFO Mean voltage for current stability 0.551845 calculated with 4 points
SensorIVSvc::read INFO RMS current stability 0.004085
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//VPA38888-W02151/1//VPA38888-02151_IV_001.dat
SensorIVSvc::getDate INFO Parsing date 2025-11-19T21:47:31.649+00:00...
SensorIVSvc::getDate INFO Year 2025
SensorIVSvc::getDate INFO Month 11
SensorIVSvc::getDate INFO Day 19
SensorIVSvc::getDate INFO Hour 21
SensorIVSvc::getDate INFO Minute 47
SensorIVSvc::getDate INFO Second 31
SensorIVSvc::getDate INFO Offset 0:0
SensorIVSvc::getDate INFO Converted month into string Nov
SensorIVSvc::getDate INFO FINALLY obtained 19 Nov 2025
IService::log INFO Logging status 0111 for component VPA38888-W02151
IService::install INFO Installing output directory to /home/data/modules/VPA38888-W02151/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 VPA38888-02151_IV_001.dat...
IService::install INFO Installed DB_READY_SENSOR_ATLAS18_IV_TEST_V1.json...
IService::install INFO Installed VPA38888-W02151.root...
IService::install INFO Installed status.json...
MetaData::readField INFO Reading file /home/data/upload//SensorIV_PreTabIV_PPB_v1//VPA38888-W02150-1.config
IService::next INFO Scheduling Data_VPA38888-W02150-1.txt file to run...
IService::next INFO Writing results to /home/data/output//SensorIV_PreTabIV_PPB_v1//VPA38888-W02150/1/
Metadata
Value
Component type
ATLAS18LS
Operator
LM
Date
2025-11-19T21:47:31.649+00:00
Institute
UCSC
Power supply
CAEN_DT1415ET
Temperarture [C]
19.8
Humidity
9.9
Current per area @500V
4.280
Breakdown voltage
690.000
Current stability (RMS@700V)
0.004
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