The information on this page was generated on Fri May 22 06:28:09 2026 (America/Los_Angeles). You may click the button below to manually regenerate the content.
Basic Information for VPA38700-W01623
Brief description of DB components associated to this Module and associated tests
SensorIVSvc::read INFO Using measurement with voltage 700.420000 and current 0.654790 for current stability calculation
SensorIVSvc::read INFO Using measurement with voltage 700.420000 and current 0.625190 for current stability calculation
SensorIVSvc::read INFO Using measurement with voltage 700.420000 and current 0.619790 for current stability calculation
SensorIVSvc::read INFO Using measurement with voltage 700.440000 and current 0.589390 for current stability calculation
SensorIVSvc::CalculateVBD INFO Average voltage 5.090000, current 0.012755, dIdV 0.002184
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.871374 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 15.030001, current 0.028365, dIdV 0.000967
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.512427 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 25.050001, current 0.035610, dIdV 0.000479
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.336984 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 35.070000, current 0.039255, dIdV 0.000249
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.222010 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 45.090000, current 0.039500, dIdV -0.000200
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.227848 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 55.099998, current 0.039850, dIdV 0.000270
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.373325 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 65.120003, current 0.041045, dIdV -0.000031
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.048987 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 75.129997, current 0.041090, dIdV 0.000040
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.073284 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 85.120003, current 0.042390, dIdV 0.000220
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.441765 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 95.130005, current 0.043485, dIdV -0.000001
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.002183 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 105.150002, current 0.043380, dIdV -0.000020
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.048382 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 115.160004, current 0.042330, dIdV -0.000190
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.516901 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 125.169998, current 0.041525, dIdV 0.000029
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.087241 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 135.179993, current 0.042120, dIdV 0.000090
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.288846 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 145.190002, current 0.042320, dIdV -0.000050
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.171196 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 155.199997, current 0.041665, dIdV -0.000081
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.301721 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 165.199997, current 0.043410, dIdV 0.000430
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.636397 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 175.220001, current 0.046060, dIdV 0.000100
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.378901 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 185.240005, current 0.046505, dIdV -0.000011
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.043816 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 195.250000, current 0.045200, dIdV -0.000250
SensorIVSvc::CalculateVBD INFO V_avg_BD -1.077767 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 205.270004, current 0.044700, dIdV 0.000150
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.687451 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 215.300003, current 0.046395, dIdV 0.000188
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.873576 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 225.300003, current 0.047090, dIdV -0.000050
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.240184 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 235.300003, current 0.048340, dIdV 0.000299
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.454463 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 245.339996, current 0.050235, dIdV 0.000079
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.384287 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 255.350006, current 0.051830, dIdV 0.000240
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.184774 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 265.350006, current 0.053325, dIdV 0.000059
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.293003 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 275.380005, current 0.054370, dIdV 0.000149
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.756712 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 285.399994, current 0.054720, dIdV -0.000080
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.417251 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 295.279999, current 0.055620, dIdV 0.000266
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.414251 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 305.179993, current 0.056770, dIdV -0.000030
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.160629 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 315.179993, current 0.056720, dIdV 0.000020
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.111582 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 325.160004, current 0.056915, dIdV 0.000019
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.108549 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 335.170013, current 0.058060, dIdV 0.000210
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.209873 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 345.169983, current 0.059110, dIdV 0.000000
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.000000 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 355.170013, current 0.059805, dIdV 0.000139
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.823846 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 365.220001, current 0.060150, dIdV -0.000069
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.421654 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 375.230011, current 0.061500, dIdV 0.000342
SensorIVSvc::CalculateVBD INFO V_avg_BD 2.086964 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 385.209991, current 0.064045, dIdV 0.000169
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.014452 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 395.220001, current 0.065090, dIdV 0.000040
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.242876 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 405.220001, current 0.065140, dIdV -0.000030
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.186623 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 415.230011, current 0.064935, dIdV -0.000011
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.070200 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 425.239990, current 0.065580, dIdV 0.000140
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.907801 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 435.229980, current 0.067030, dIdV 0.000150
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.975911 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 445.239990, current 0.067275, dIdV -0.000101
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.665776 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 455.239990, current 0.067720, dIdV 0.000191
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.282383 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 465.230011, current 0.069520, dIdV 0.000170
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.135375 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 475.229980, current 0.070320, dIdV -0.000010
SensorIVSvc::CalculateVBD INFO V_avg_BD -0.067716 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 485.239990, current 0.071915, dIdV 0.000328
SensorIVSvc::CalculateVBD INFO V_avg_BD 2.211054 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 495.260010, current 0.074560, dIdV 0.000200
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.328487 and VBD limit 5.500000
SensorIVSvc::CalculateVBD INFO Average voltage 505.260010, current 0.075760, dIdV 0.000040
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.266769 and VBD limit 5.552600
SensorIVSvc::CalculateVBD INFO Average voltage 515.280029, current 0.076355, dIdV 0.000079
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.531006 and VBD limit 5.652800
SensorIVSvc::CalculateVBD INFO Average voltage 525.279968, current 0.077900, dIdV 0.000231
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.557119 and VBD limit 5.752800
SensorIVSvc::CalculateVBD INFO Average voltage 535.270020, current 0.080150, dIdV 0.000220
SensorIVSvc::CalculateVBD INFO V_avg_BD 1.466305 and VBD limit 5.852700
SensorIVSvc::CalculateVBD INFO Average voltage 545.280029, current 0.083195, dIdV 0.000389
SensorIVSvc::CalculateVBD INFO V_avg_BD 2.549599 and VBD limit 5.952800
SensorIVSvc::CalculateVBD INFO Average voltage 555.280029, current 0.085240, dIdV 0.000020
SensorIVSvc::CalculateVBD INFO V_avg_BD 0.130286 and VBD limit 6.052800
SensorIVSvc::CalculateVBD INFO Average voltage 565.290039, current 0.087440, dIdV 0.000419
SensorIVSvc::CalculateVBD INFO V_avg_BD 2.709835 and VBD limit 6.152900
SensorIVSvc::CalculateVBD INFO Average voltage 575.309998, current 0.094085, dIdV 0.000907
SensorIVSvc::CalculateVBD INFO V_avg_BD 5.547250 and VBD limit 6.253100
SensorIVSvc::CalculateVBD INFO Average voltage 585.320007, current 0.103230, dIdV 0.000920
SensorIVSvc::CalculateVBD INFO V_avg_BD 5.216453 and VBD limit 6.353200
SensorIVSvc::CalculateVBD INFO Average voltage 595.330017, current 0.115730, dIdV 0.001577
SensorIVSvc::CalculateVBD INFO V_avg_BD 8.111500 and VBD limit 6.453300
SensorIVSvc::CalculateVBD INFO Average voltage 605.350037, current 0.132975, dIdV 0.001865
SensorIVSvc::CalculateVBD INFO V_avg_BD 8.491378 and VBD limit 6.553500
SensorIVSvc::CalculateVBD INFO Average voltage 615.349976, current 0.153320, dIdV 0.002204
SensorIVSvc::CalculateVBD INFO V_avg_BD 8.847397 and VBD limit 6.653500
SensorIVSvc::CalculateVBD INFO Average voltage 625.359985, current 0.184370, dIdV 0.003994
SensorIVSvc::CalculateVBD INFO V_avg_BD 13.547230 and VBD limit 6.753600
SensorIVSvc::CalculateVBD INFO Average voltage 635.369995, current 0.221365, dIdV 0.003396
SensorIVSvc::CalculateVBD INFO V_avg_BD 9.746726 and VBD limit 6.853700
SensorIVSvc::CalculateVBD INFO Average voltage 645.349976, current 0.265560, dIdV 0.005461
SensorIVSvc::CalculateVBD INFO V_avg_BD 13.270845 and VBD limit 6.953500
SensorIVSvc::CalculateVBD INFO Average voltage 655.350037, current 0.319560, dIdV 0.005339
SensorIVSvc::CalculateVBD INFO V_avg_BD 10.949820 and VBD limit 7.053500
SensorIVSvc::CalculateVBD INFO Average voltage 665.380005, current 0.384805, dIdV 0.007668
SensorIVSvc::CalculateVBD INFO V_avg_BD 13.259576 and VBD limit 7.153800
SensorIVSvc::CalculateVBD INFO Average voltage 675.390015, current 0.460900, dIdV 0.007535
SensorIVSvc::CalculateVBD INFO V_avg_BD 11.041682 and VBD limit 7.253900
SensorIVSvc::CalculateVBD INFO Average voltage 685.390015, current 0.540050, dIdV 0.008293
SensorIVSvc::CalculateVBD INFO V_avg_BD 10.525364 and VBD limit 7.353900
SensorIVSvc::CalculateVBD INFO Average voltage 695.410034, current 0.618195, dIdV 0.007304
SensorIVSvc::CalculateVBD INFO V_avg_BD 8.216739 and VBD limit 7.454100
SensorIVSvc::CalculateVBD INFO Microdischarge detected at 595.330017 V
SensorIVSvc::CalculateVBD INFO Listing other values found ...
SensorIVSvc::CalculateVBD INFO ----> 595.330017
SensorIVSvc::CalculateVBD INFO ----> 605.350037
SensorIVSvc::CalculateVBD INFO ----> 615.349976
SensorIVSvc::CalculateVBD INFO ----> 625.359985
SensorIVSvc::CalculateVBD INFO ----> 635.369995
SensorIVSvc::CalculateVBD INFO ----> 645.349976
SensorIVSvc::CalculateVBD INFO ----> 655.350037
SensorIVSvc::CalculateVBD INFO ----> 665.380005
SensorIVSvc::CalculateVBD INFO ----> 675.390015
SensorIVSvc::CalculateVBD INFO ----> 685.390015
SensorIVSvc::CalculateVBD INFO ----> 695.410034
SensorIVSvc::CalculateVBD INFO Calculated VBD to be 595.330017
SensorIVSvc::read INFO Mean voltage for current stability 0.622290 calculated with 4 points
SensorIVSvc::read INFO RMS current stability 0.037285
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//VPA38700-W01623/1//VPA38700-01623_IV_001.dat
SensorIVSvc::getDate INFO Parsing date 2025-10-17T18:42:15.059+00:00...
SensorIVSvc::getDate INFO Year 2025
SensorIVSvc::getDate INFO Month 10
SensorIVSvc::getDate INFO Day 17
SensorIVSvc::getDate INFO Hour 18
SensorIVSvc::getDate INFO Minute 42
SensorIVSvc::getDate INFO Second 15
SensorIVSvc::getDate INFO Offset -1607646959:32544
SensorIVSvc::getDate INFO Converted month into string Oct
SensorIVSvc::getDate INFO FINALLY obtained 17 Oct 2025
IService::log INFO Logging status 0111 for component VPA38700-W01623
IService::install INFO Installing output directory to /home/data/modules/VPA38700-W01623/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 VPA38700-01623_IV_001.dat...
IService::install INFO Installed DB_READY_SENSOR_ATLAS18_IV_TEST_V1.json...
IService::install INFO Installed VPA38700-W01623.root...
IService::install INFO Installed status.json...
MetaData::readField INFO Reading file /home/data/upload//SensorIV_PreTabIV_PPB_v1//VPA38700-W01622-1.config
IService::next INFO Scheduling Data_VPA38700-W01622-1.txt file to run...
IService::next INFO Writing results to /home/data/output//SensorIV_PreTabIV_PPB_v1//VPA38700-W01622/1/
Metadata
Value
Component type
ATLAS18LS
Operator
LM
Date
2025-10-17T18:42:15.059+00:00
Institute
UCSC
Power supply
CAEN_DT1415ET
Temperarture [C]
19.0
Humidity
2.9
Current per area @500V
0.863
Breakdown voltage
595.330
Current stability (RMS@700V)
0.037
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