首页|Glass Binder in Thick Film Metallization Paste for AIN
Glass Binder in Thick Film Metallization Paste for AIN
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NSTL
Trans Tech Publications Ltd
In this paper, the sol-gel process was used to synthesize a glass binder in thick-film paste for aluminum nitride (AlN) metallization. Some major factors that influenced the sol-gel process including PH value, quantity of water were discussed in detail. The xerogel was analyzed by means of TG-DSC in order to determine its optimum heat treatment process. Meanwhile, the sintering behavior of silver/glass composite thick film had been studied by varying the glass content. The results show that a glass powder of a low melting point and chemically compatible with AlN substrate can be obtained by sol-gel method when the composition (wt %) is CaO (40), B_2O_3(15), SiO_2 (35), BaO (10). During sintering, the glass becomes liquid and largely affects the microstructure development and square resistance of the thick film. When the glass content is optimum (10wt %), the film adhesion strength achieves maximum and the square resistance has a relatively low value.
sol-gelglassmetallization
Wang Lili、Wang Yu、Yang De-An
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Key Laboratory of Advanced Ceramics and Machining Technology (Tianjin University), Tianjin 300072, PR China
NETL
NSTL
Trans Tech Publications Ltd
