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We present differences in the ESD failure mechanisms, intrinsic behavior and various phases of filamentation of STI type DeNMOS and DePMOS devices using detailed 3D TCAD simulations, TLP and TIM experiments. The impact of localized base-push-out, power dissipation because of space charge build-up, regenerative bipolar triggering and various events during the current filamentation are compared. Measurements...
We present filament behavior of STI type DeNMOS devices using detailed Transient Interferometric Mapping experiments and 3D TCAD simulations. Device behavior at different TLP currents is discussed. The impact of localized base-push-out, power dissipation because of space charge build-up, regenerative NPN action and various events during the current filamentation are explored. By uniform turn-on of...
We present experimental and simulation studies of STI type DeNMOS devices under ESD conditions. The impact of base-push-out, power dissipation because of space charge build-up and, regenerative NPN action, on the various phases of filamentation and the final thermal runaway is discussed. A modification of the device layout is proposed to achieve an improvement (~2X) in failure threshold (IT2).
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