Simulation of the influence of TiAl 3 layers on the thermal-electrical and mechanical behaviour of Al metallizations

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OriginalspracheEnglisch
Seiten (von - bis)1987-1992
Seitenumfang6
FachzeitschriftMicroelectronics reliability
Jahrgang52
Ausgabenummer9-10
PublikationsstatusVeröffentlicht - Sept. 2012

Abstract

Al/Ti/TiN metallizations form TiAl 3 layers during the annealing process. The influence of TiAl 3 layers on the thermal-electrical- mechanical behaviour is investigated here. For high temperature automotive and industrial applications in a 0.35 μm CMOS process the test structures have to be approved. The thermal-electrical-mechanical behaviour of the test structures is calculated by simulations. Two aluminium deposition temperatures of 250 °C and 470 °C were considered. The Ti-based layer thicknesses forming the TiAl 3 as well as the whole metallization thickness were investigated. The simulations show a good correlation with measurements.

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Simulation of the influence of TiAl 3 layers on the thermal-electrical and mechanical behaviour of Al metallizations. / Kludt, J.; Weide-Zaage, K.; Ackermann, M. et al.
in: Microelectronics reliability, Jahrgang 52, Nr. 9-10, 09.2012, S. 1987-1992.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

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abstract = "Al/Ti/TiN metallizations form TiAl 3 layers during the annealing process. The influence of TiAl 3 layers on the thermal-electrical- mechanical behaviour is investigated here. For high temperature automotive and industrial applications in a 0.35 μm CMOS process the test structures have to be approved. The thermal-electrical-mechanical behaviour of the test structures is calculated by simulations. Two aluminium deposition temperatures of 250 °C and 470 °C were considered. The Ti-based layer thicknesses forming the TiAl 3 as well as the whole metallization thickness were investigated. The simulations show a good correlation with measurements.",
author = "J. Kludt and K. Weide-Zaage and M. Ackermann and V. Hein",
note = "Funding Information: This collaboration was supported by RELY – Design for RELIABILITY (01M3091). A part of the European CATRENE programme for research and development. Copyright: Copyright 2012 Elsevier B.V., All rights reserved.",
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AU - Kludt, J.

AU - Weide-Zaage, K.

AU - Ackermann, M.

AU - Hein, V.

N1 - Funding Information: This collaboration was supported by RELY – Design for RELIABILITY (01M3091). A part of the European CATRENE programme for research and development. Copyright: Copyright 2012 Elsevier B.V., All rights reserved.

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AB - Al/Ti/TiN metallizations form TiAl 3 layers during the annealing process. The influence of TiAl 3 layers on the thermal-electrical- mechanical behaviour is investigated here. For high temperature automotive and industrial applications in a 0.35 μm CMOS process the test structures have to be approved. The thermal-electrical-mechanical behaviour of the test structures is calculated by simulations. Two aluminium deposition temperatures of 250 °C and 470 °C were considered. The Ti-based layer thicknesses forming the TiAl 3 as well as the whole metallization thickness were investigated. The simulations show a good correlation with measurements.

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VL - 52

SP - 1987

EP - 1992

JO - Microelectronics reliability

JF - Microelectronics reliability

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