Influence of processing and conduction materials on properties of co-fired resistors in LTCC structures

The motivation of this study is the need for fundamental understanding of the effects of processing conditions on the electrical properties of low- temperature co-fired ceramic (LTCC) tapes, those screen printed with commercial thick-film pastes of electronic components for increased reliability. The method of the study is realized by analyzing the physical and chemical effects of mono/multilayer firing and firing temperatures on the temperature coefficient of resistance (TCR) and sheet resistance (SR) values of the positive temperature coefficient (PTC) resistors screen-printed on LTCC tapes. The results are discussed with respect to the information obtained by the scanning electron microscopy (SEM), electro dispersive X-ray analysis (EDXS), X-ray and dilatometry analysis. It is shown that the content of pastes combined with varying processing conditions result in deviation from expected TCR and SR values due to the chemical and/or mechanical reactions.


Published in:
Journal of the European Ceramic Society, 26, 1937-1941
Year:
2006
Keywords:
Note:
©2006 Elsevier Compatibilité de ESL 2612-I avec LTCC en co-cuit & enterré, avec DP 9473 (AgPd) et 5744 (Au) comme conducteurs. Co-cuit : l’or fonctionne bien, alors que l’AgPd va aussi, mais donne des effets de terminaison. Enterré : les deux ont des problèmes - Au donne un gonflement. A voir si va mieux avec un autre Au... http://www.elsevier.com/wps/find/homepage.cws_home
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 Record created 2006-06-27, last modified 2018-01-27

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