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Self‐Constrained Sintering of Mixed Low‐Temperature‐Cofired Ceramic Laminates
Author(s) -
Chang JuiChuan,
Jean JauHo
Publication year - 2006
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.1551-2916.2005.00820.x
Subject(s) - materials science , cofiring , sintering , composite material , shrinkage , ceramic , atmospheric temperature range , chemistry , physics , organic chemistry , meteorology , combustion
A self‐constrained low‐temperature‐cofired ceramic (LTCC) system, composed of a low‐fire La 2 O 3 –B 2 O 3 –CaO–Al 2 O 3 ‐based glass (LBG)+alumina (LBGA) and high‐fire BaO–B 2 O 3 –SiO 2 ‐based glass (BBSG)+alumina (BBSGA), has been developed. As the densification temperature range required for the LBGA is lower than that for the BBSGA, both systems densify and constrain alternatively during cofiring of a multilayer LBGA/BBSGA laminate. This results in the linear shrinkage of multilayer LBGA/BBSGA laminate taking place only in the Z direction with little shrinkage in the X – Y directions, exhibiting promising characteristics of self‐constrained densification.