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Aqueous Processing of Mullite‐Containing Green Sheets
Author(s) -
Ushifusa Nobuyuki,
Cima Michael J.
Publication year - 1991
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1991.tb06782.x
Subject(s) - materials science , slurry , composite material , tape casting , aqueous solution , electrokinetic phenomena , rheology , viscosity , lamination , deformation (meteorology) , mullite , dispersion (optics) , casting , ceramic , layer (electronics) , chemistry , nanotechnology , physics , optics
An aqueous‐based slurry for tape‐casting mullite sheets was studied that is suitable for electronic packaging. A latex binder was used to attain the necessary organic content in the tape while maintaining a low slurry viscosity. The colloidal stability of these complex slurries was characterized by electrokinetic sonic amplitude (ESA) measurements and sedimentation experiments. Control of dispersion stability required the addition of a polyelectrolyte. Suitability of the aqueous‐based tapes for multilayer packaging was evaluated by measuring deformation during lamination and by optimizing conditions such that binder loading and total deformation were minimized.

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