Qualitative Simulation of the Growth of Electrolessly Deposited Cu Thin Films
Author(s) -
HsiuChuan Wei
Publication year - 2011
Publication title -
mathematical problems in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.262
H-Index - 62
eISSN - 1026-7077
pISSN - 1024-123X
DOI - 10.1155/2011/528351
Subject(s) - discretization , deposition (geology) , trench , solver , diffusion , finite difference method , materials science , copper , diffusion barrier , mathematics , nanotechnology , mathematical analysis , thermodynamics , metallurgy , physics , mathematical optimization , layer (electronics) , paleontology , sediment , biology
Electroless deposition for fabricating copper (Cu) interconnects of integratedcircuits has drawn attention due to its low processing temperature,high deposition selectivity, and high coverage. In this paper, three-dimensionalcomputer simulations of the qualitative growth properties of Cuparticles and two-dimensional simulations of the trench-filling properties areconducted. The mathematical model employed in the study is a reaction-diffusionequation. An implicit finite difference discretization with a red-blackGauss-Seidel method as a solver is proposed for solving the reaction-diffusionequation. The simulated deposition properties agree with thoseobserved in experimentation. Alternatives to improve the deposition propertiesare also discussed
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