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Effect of repeated firing on the resistance of screen-printed thick film conductors

Title data

Ortolino, Dominique ; Engelbrecht, Andreas ; Lauterbach, Holger ; Bräu, Markus ; Kita, Jaroslaw ; Moos, Ralf:
Effect of repeated firing on the resistance of screen-printed thick film conductors.
In: Journal of Ceramic Science and Technology. Vol. 5 (2014) Issue 4 . - pp. 317-326.
ISSN 2190-9385
DOI: https://doi.org/10.4416/JCST2014-00029

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
No informationAZ-770-07

Project financing: Andere
Bayerische Forschungsstiftung

Abstract in another language

In this paper, the effect of repeated sintering cycles on the resistance of four different thick-film conductor pastes was investigated. Silver, gold, silver-platinum and silver-palladium pastes are widely used in thick-film technology. Their electrical resistance (R) and their temperature coefficient of resistance (TCR) are important material properties. Screen-printed metallization layers were fired repeatedly and their electrical resistance was measured simultaneously during heating and cooling. It was found that the resistances change with increasing number of firing steps and that they run asymptotically to a final value. Light-optical and SEM-EDX analyses explained this behavior. Inorganic compounds of the paste diffuse into the ceramic substrate. The diffusion follows a parabolic diffusion law. A strong correlation between material diffusion and resistance change is found.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Profile Fields
Profile Fields > Advanced Fields
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 02 Feb 2015 14:57
Last Modified: 03 Feb 2022 13:34
URI: https://eref.uni-bayreuth.de/id/eprint/4959