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Nanoscale Analysis of Breakdown Induced Crack Propagation in DTSCR Devices

  • Xinqian Chen
  • , Fei Hou
  • , Zuoyuan Dong
  • , Yuxin Zhang
  • , Chaolun Wang
  • , Fang Liang
  • , Feibo Du
  • , Zhiwei Liu
  • , Xing Wu
  • East China Normal University
  • University of Electronic Science and Technology of China
  • Chengdu University

科研成果: 书/报告/会议事项章节 › 会议稿件 › 同行评审

摘要

In the advanced technology process, owing to the low and tunable trigger voltage, diode-triggered SCRs (DTSCRs) are widely used in low-voltage applications with extremely narrow electrostatic discharge (ESD) design margins. The breakdown of DTSCRs ESD structure with abnormal leakage current under transmission line pulsing stressing was studied in this work. The physical origins of DTSCRs have been established through failure analysis (FA). The mismatch of the thermal expansion coefficient of local materials results in redundant stress. Such redundant stress induce the structure dislocations and cracks were captured by transmission electron microscopy at atomic scale. A multi-physical simulation is conducted to scrutinize the breakdown transient process.

源语言英语
主期刊名2022 IEEE International Reliability Physics Symposium, IRPS 2022 - Proceedings
出版商Institute of Electrical and Electronics Engineers Inc.
页P481-P485
ISBN(电子版)9781665479509
DOI
出版状态已出版 - 2022
活动2022 IEEE International Reliability Physics Symposium, IRPS 2022 - Dallas, 美国
期限: 27 3月 2022 → 31 3月 2022

丛书

姓名IEEE International Reliability Physics Symposium Proceedings
卷2022-March
ISSN(印刷版)1541-7026

会议

会议2022 IEEE International Reliability Physics Symposium, IRPS 2022
国家/地区美国
市Dallas
时期27/03/22 → 31/03/22

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