講演名 | 1999/7/23 Fast EM Evaluation by Highly Accelerated Current Density , |
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抄録(英) | A conventional electromigration (EM) test takes considerably long time because of its limited accelerating condition. Moreover, a process feedback in response to change of integration process, such as the type of metallization stack or intermetallic dielectric (IMD) is rather slow. For the quick turnaround, we evaluated a FAST EM test in which high current density was applied to Al-Cu interconnects as an accelerating factor. From the trend of activation energy (Q), current density factor (n), joule heating, and failure behavior as a function of current density, the current densities lower than 10 MA/cm^2 were found to provide the same failure mechanism as that of a conventional test performed with a current density of ~2 MA/cm^2. For a general application of this fast EM test, the corresponding joule heating was chosen as a criterion of the limit of current density. The fast EM method with highly accelerated current densities was proved to be a powerful tool in evaluating EM quality in a relatively short time. |
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キーワード(英) | electromigration / joule heating / current density |
資料番号 | ICD99-99 |
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研究会 | ICD |
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開催期間 | 1999/7/23(から1日開催) |
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申込み研究会 | Integrated Circuits and Devices (ICD) |
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本文の言語 | ENG |
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タイトル(英) | Fast EM Evaluation by Highly Accelerated Current Density |
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キーワード(1)(和/英) | / electromigration |
第 1 著者 氏名(和/英) | / Dong-Chul Kwon |
第 1 著者 所属(和/英) | Semiconductor R&D Center, Samsung Electronics Co. LTD. |
発表年月日 | 1999/7/23 |
資料番号 | ICD99-99 |
巻番号(vol) | vol.99 |
号番号(no) | 234 |
ページ範囲 | pp.- |
ページ数 | 5 |
発行日 |