Paper Title:

Si Wafer Bonding: Structural Features of the Interface

Periodical Solid State Phenomena (Volumes 156 - 158)
Main Theme Gettering and Defect Engineering in Semiconductor Technology XIII
Edited by M. Kittler and H. Richter
Pages 85-90
DOI 10.4028/www.scientific.net/SSP.156-158.85
Citation V.I. Vdovin et al., 2009, Solid State Phenomena, 156-158, 85
Online since October, 2009
Authors V.I. Vdovin, N.D. Zakharov, Eckhard Pippel, P. Werner, M.G. Milvidskii, M. Ries, M. Seacrist, Robert J. Falster
Keywords Dislocation, Oxide Layer Dissolution, Si Wafer Bonding
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Abstract

Kinetics of oxide layer dissolution and atomic structure of Si-Si interface in Si wafer bonded structures have been investigated by transmission electron microscopy. Samples of Si(001)/SiO2/Si(001) and Si(110)/SiO2/Si(001) structures were fabricated by direct hydrophilic wafer bonding of 200 mm wafers followed by high temperature annealing. It is found that the decomposition rate of oxide layer and formation of Si-Si bonded interface depends very much on lattice mismatch and twist angle.