The influence of the SiN cap process on the electromigration and stressvoiding performance of dual damascene Cu interconnects

A Von Glasow, AH Fischer, D Bunel… - … , 2003. 41st Annual., 2003 - ieeexplore.ieee.org
The influence of the SiN cap-layer deposition process including different pre-clean
treatments on the electromigration (EM) and stressvoiding (SV) behavior of copper dual …

Direct evidence of Cu/cap/liner edge being the dominant electromigration path in dual damascene Cu interconnects

W Shao, SG Mhaisalkar, T Sritharan… - Applied physics …, 2007 - pubs.aip.org
In this investigation, Cu/dielectric-cap interface and Cu/cap/liner edge were studied in detail
to identify the dominant path in electromigration stressed via-fed test structures that …

Reliability of dual damascene Cu metallization

MH Tsai, WJ Tsai, SL Shue, CH Yu… - Proceedings of the …, 2000 - ieeexplore.ieee.org
The electromigration (EM) and bias temperature stress (BTS) performances of Cu
metallization in dual damascene structure were examined. The experimental results show …

A copper-dielectric cap interface with high resistance to electromigration for high performance semiconductor devices

J Hohage, MU Lehr, V Kahlert - Microelectronic engineering, 2009 - Elsevier
In highly integrated semiconductor devices the time to failure of copper interconnects
strongly depends on the properties of the copper-dielectric cap interface. In this work a …

Trade-off between reliability and post-CMP defects during recrystallization anneal for copper damascene interconnects

GB Alers, D Dornisch, J Siri, K Kattige… - … . 39th Annual (Cat …, 2001 - ieeexplore.ieee.org
Thermal treatments of electroplated copper films before CMP can increase grain size and
therefore reduce resistance and improve electromigration reliability. However, high …

Influence of incorporated non-metallic impurities on electromigration in copper damascene interconnect lines

M Stangl, M Lipták, J Acker, V Hoffmann, S Baunack… - Thin Solid Films, 2009 - Elsevier
Low electromigration in Cu interconnect lines represents one of the major challenges for a
good performance of semiconductor devices. Referring to this, experiments were carried out …

Electromigration in copper damascene interconnects: reservoir effects and failure analysis

W Shao, AV Vairagar, CH Tung, ZL Xie… - Surface and Coatings …, 2005 - Elsevier
Electromigration in dual damascene copper interconnects was investigated using package
level electromigration tests and failure analysis techniques. Interface diffusion along …

Cu interconnect width effect, mechanism and resolution on down-stream stress electromigration

YL Cheng, BL Lin, SY Lee, CC Chiu… - 2007 IEEE International …, 2007 - ieeexplore.ieee.org
Sub-micron Cu damascene interconnect, electromigration is mainly due to the diffusion at
the interfaces of Cu with liner or dielectric capping layer. Many reports have pointed out the …

Electromigration improvement with PDL TiN (Si) barrier in copper dual damascene structures

GB Alers, A Vijayendran, P Gillespie… - … , 2003. 41st Annual., 2003 - ieeexplore.ieee.org
A significant improvement in electromigration performance for copper dual damascene
structures was observed with the use of Pulsed Deposition Layer (PDL) TiN (Si) as a copper …

Electromigration-resistance enhancement with CoWP or CuMn for advanced Cu interconnects

C Christiansen, B Li, M Angyal, T Kane… - 2011 International …, 2011 - ieeexplore.ieee.org
Suppressing Cu diffusion along the Cu/Cap interface has proven to be one of the most
effective ways to enhance the electromigration (EM) resistance of advanced Cu …