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Cobalt/copper composite interconnects for line resistance reduction in both fine and wide lines

Authors :
J. Maniscalco
James J. Kelly
Huai Huang
James Chingwei Li
Hosadurga Shobha
G. Lian
R. Hengstebeck
P. McLaughlin
Prasad Bhosale
Raghuveer R. Patlolla
Theodorus E. Standaert
James J. Demarest
Takeshi Nogami
Daniel C. Edelstein
B. Peethala
Donald F. Canaperi
Benjamin D. Briggs
Son Nguyen
X. Zhang
Vamsi Paruchuri
Source :
2017 IEEE International Interconnect Technology Conference (IITC).
Publication Year :
2017
Publisher :
IEEE, 2017.

Abstract

Co/Cu composite interconnect systems were studied. Since wide Cu lines require a diffusion barrier which is simultaneously applied also to fine Co lines to reduce Co volume fraction, through-Cobalt Self-Formed-Barrier (tCoSFB) was employed to thin down TaN barrier to

Details

Database :
OpenAIRE
Journal :
2017 IEEE International Interconnect Technology Conference (IITC)
Accession number :
edsair.doi...........bee45ddd3e678c8a6dca939c6a6b11e4
Full Text :
https://doi.org/10.1109/iitc-amc.2017.7968961