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High-temperature laser profilometry for ceramic tapes

  • Advanced ceramics are promising key components for microsystems engineering, communication Technology and medical engineering. Driven by steadiiy increasing demands on dimensional accuracy of components and Integration density, sintering has to be controlled at an unprecedented degree of precision. Being most crucial for components of complex shape, graded or heterogeneous-composed parts like LTCC multilayers for microsystems, precise control of sintering has a decisive influence on the dimensional accuracy, mechanical integrity and reliability of sintered components. Thus, permanent or temporary shape distortions or warping during sintering may result from spatially heterogeneous microstructure and temperature distribution, e.g. during the co-firing process of green multilayer Stacks printed with metallization and other functional pastes. Whereas permanent warping can be easily measured after sintering, temporary warping during firing is more difficult to measure.Advanced ceramics are promising key components for microsystems engineering, communication Technology and medical engineering. Driven by steadiiy increasing demands on dimensional accuracy of components and Integration density, sintering has to be controlled at an unprecedented degree of precision. Being most crucial for components of complex shape, graded or heterogeneous-composed parts like LTCC multilayers for microsystems, precise control of sintering has a decisive influence on the dimensional accuracy, mechanical integrity and reliability of sintered components. Thus, permanent or temporary shape distortions or warping during sintering may result from spatially heterogeneous microstructure and temperature distribution, e.g. during the co-firing process of green multilayer Stacks printed with metallization and other functional pastes. Whereas permanent warping can be easily measured after sintering, temporary warping during firing is more difficult to measure. Nonetheless, this effect may cause latent failures later, which often limit the applicability of ceramic components.zeige mehrzeige weniger

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Autor*innen:Ulrich Marzok, Ralf Müller, Reinhard Schadrack, M. Krauhausen, F. Burgstedt, W. Brode, R. Reetz
Dokumenttyp:Zeitschriftenartikel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Ceramic Forum International : cfi
Jahr der Erstveröffentlichung:2013
Herausgeber (Institution):Deutsche Keramische Gesellschaft
Verlag:Göller
Verlagsort:Baden-Baden
Jahrgang/Band:90
Ausgabe/Heft:4
Erste Seite:E35
Letzte Seite:E40
ISSN:0173-9913
ISSN:0196-6219
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:20.02.2016
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:23.05.2013
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