Cofiring kinetics and mechanisms of an Ag‐based ceramic‐filled glass packaging system have been investigated. Boundary diffusion controlled solid‐state sintering is identified as the controlling densification mechanism of the Ag film. For ceramic‐filled glass tape, which is a mixture of glass and ceramic powders, the sintering kinetics are controlled by the viscous flow of low‐softening‐point glass. With the densification results of Ag film and ceramic‐filled glass tape, the camber development during cofiring of a two‐layerd structure of Ag film/ceramic‐filled glass tape can be theoretically predicted by viscous analysis, which also agrees well with experimental observations.
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Jean et al. (1997) studied this question.
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