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首页> 外文期刊>Microelectronic Engineering >Effect of layout on electromigration characteristics in copper dual damascene interconnects
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Effect of layout on electromigration characteristics in copper dual damascene interconnects

机译:布局对铜双镶嵌互连中电迁移特性的影响

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摘要

This study demonstrates that the electromigration (EM) behavior of dual damascene Cu lines is strongly affected by the layout which surrounded the tested EM lines, especially for Cu line below 0.10 μm used for 40 nm or below technologies. The Cu EM lifetime declines as the number of local dummy lines increase, and the global dummy line density increases with the width of the Cu line below 0.063 μm. This work presents mechanisms of layout effects that explain the EM characteristics and can be exploited to improve the layout effect. Therefore, not only the stressed Cu line structures, but also the surrounding layouts must to be considered in assessing EM reliability of a real IC circuit in 40 nm or below technology.
机译:这项研究表明,双镶嵌铜线的电迁移(EM)行为受测试的EM线周围的布局的影响很大,特别是对于40 nm或以下技术使用的0.10μm以下的Cu线。 Cu EM寿命随着局部虚设线数的增加而下降,并且整体虚设线密度随着Cu线的宽度低于0.063μm而增加。这项工作提出了布局效果的机制,这些机理解释了EM特性,可以用来改善布局效果。因此,在评估40 nm以下的真实IC电路的EM可靠性时,不仅应考虑受应力的铜线结构,还应考虑周围的布局。

著录项

  • 来源
    《Microelectronic Engineering》 |2014年第10期|19-23|共5页
  • 作者单位

    Department of Electrical Engineering, National Chi-Nan University, Nan-Tou, Taiwan, ROC;

    Department of Material Science and Engineering, National Chiao-Tung University, Hsin-Chu, Taiwan, ROC;

    Department of Material Science and Engineering, National Chiao-Tung University, Hsin-Chu, Taiwan, ROC;

    Department of Electrical Engineering, National Chi-Nan University, Nan-Tou, Taiwan, ROC;

    Department of Electrical Engineering, National Chi-Nan University, Nan-Tou, Taiwan, ROC;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Electromigration; Interconnects; Copper; Layout;

    机译:电迁移;互连;铜;布局;

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