TY - JOUR
T1 - Investigations Into Unintended ESD Generator Artifacts
T2 - Prepulse and Postpulse
AU - Zhou, Jianchi
AU - Wei, Pengyu
AU - Shen, Li
AU - Yan, Xin
AU - Maghlakelidze, Giorgi
AU - Notermans, Guido
AU - Bub, Sergej
AU - Holland, Steffen
AU - Pommerenke, David
PY - 2021/12/1
Y1 - 2021/12/1
N2 - An electrostatic discharge (ESD) generator may create pre- and postpulses in addition to the main pulse. These artifacts can cause additional device under test (DUT) failures. The origin and magnitude of these pulses were investigated in four commercial generators using measurements and simulation. Two types of unwanted pulses were identified. One is caused by the reignition of the spark, and the other relates to the relay contacting for charging the main capacitor. These pulses cause strong high-frequency signals, partially surpassing the radio frequency content of the main pulse. The spectrum of the pre- and postpulses varies greatly between different generators. These differences and the fact that some DUTs may react to the pre- or postpulse instead of the main pulse lead to repeatability problems between test sites. The other artifact that has been investigated is the leakage current in contact discharge mode. The charge accumulated on the gun tip by the leakage current can contribute to a short (few nanoseconds) fast-rising pulse (<500 ps) that occurs the moment the tip is contacted, thus, before the main pulse in contact mode.
AB - An electrostatic discharge (ESD) generator may create pre- and postpulses in addition to the main pulse. These artifacts can cause additional device under test (DUT) failures. The origin and magnitude of these pulses were investigated in four commercial generators using measurements and simulation. Two types of unwanted pulses were identified. One is caused by the reignition of the spark, and the other relates to the relay contacting for charging the main capacitor. These pulses cause strong high-frequency signals, partially surpassing the radio frequency content of the main pulse. The spectrum of the pre- and postpulses varies greatly between different generators. These differences and the fact that some DUTs may react to the pre- or postpulse instead of the main pulse lead to repeatability problems between test sites. The other artifact that has been investigated is the leakage current in contact discharge mode. The charge accumulated on the gun tip by the leakage current can contribute to a short (few nanoseconds) fast-rising pulse (<500 ps) that occurs the moment the tip is contacted, thus, before the main pulse in contact mode.
KW - Discharges (electric)
KW - electromagnetic (EM) noise
KW - Electrostatic discharge
KW - Electrostatic discharges
KW - Generators
KW - leakage current
KW - Leakage currents
KW - measurements
KW - Relays
KW - Shape
KW - Testing
UR - http://www.scopus.com/inward/record.url?scp=85112190149&partnerID=8YFLogxK
U2 - 10.1109/TEMC.2021.3079899
DO - 10.1109/TEMC.2021.3079899
M3 - Article
AN - SCOPUS:85112190149
SN - 0018-9375
VL - 63
SP - 1791
EP - 1798
JO - IEEE Transactions on Electromagnetic Compatibility
JF - IEEE Transactions on Electromagnetic Compatibility
IS - 6
ER -