Unexpected failures due to dynamic avalanching caused by bipolar ESD stress
نویسندگان
چکیده
The bipolar nature of ESD pulses such as MM introduces failure mechanisms that cannot be reproduced by TLP/HBM. A lowered breakdown voltage due to dynamic avalanching was observed. The key issue is that carriers injected during the first swing remain in the device after the current switches polarity. A case study for high-voltage diodes is presented.
منابع مشابه
Differences in HBM and MM test results
HBM and MM are important standards for ESD testing and typically correlate well. In some notable cases however, MM shows much lower failure levels than HBM. One of the most important physical mechanisms responsible for this is dynamic avalanching. This paper provides an example of such a dynamic avalanching failure, and includes a description of the physics involved. The correlation between HBM...
متن کاملOn-chip measurement to analyze failure mechanisms of ICs under system level ESD stress
Electro Static Discharge (ESD) is one of the major causes of electronic system failures. Reliability of ICs within the applications is strongly related to the on-chip propagated waveform of the ESD stress on the power supplies, the substrate and through the protections. This paper presents an onchip oscilloscope developed for in-situ measurement of real ESD event in 65 nm CMOS technology. Dynam...
متن کاملFatigue Analysis and Optimization of Crankshaft of V8 Diesel Engine
The crankshaft is one of the most critically loaded components as it experiences cyclic loads in the form of bending and torsion during its service life. Its failure will cause serious damage to the engine so it’s important at the time of design to verify fatigue strength. More challenges in crankshaft design due to increasing vehicle payloads, lower weight requirement, higher efficiency and lo...
متن کاملA novel gel immersion technique using a bipolar needle-knife in endoscopic submucosal dissection for superficial gastrointestinal neoplasms
We previously developed a water immersion (“underwater”) technique for endoscopic submucosal dissection (ESD) to reduce adverse events [1,2]. We herein present a novel method of gel immersion ESD with the advantages of underwater ESD. We used a gel-type oral rehydration solution (OS-1 Jelly; Otsuka Pharmaceutical Factory, Tokushima, Japan) with balanced electrolytes and carbohydrates. Bipolar e...
متن کاملFailure Analysis of Electrostatic Discharge and Electrical Overstress Failures of GaAs MMIC
Failure mode and effect analysis , visual inspection, electrical tests, X-ray observation, optical microscopy and scanning electron microscopy were performed on failed linear GaAs MMIC voltage variable absorptive attenuators. Human body model electrostatic discharge tests and electrical overstress tests were performed to replicate the failures. The studies showed that the failure locations and ...
متن کامل