Title :
RoHS-conform thick-film resistors on LTCC- and alumina substrates
Author :
Hrovat, Marko ; Belavic, Darko ; Makarovic, Kostja
Author_Institution :
Jozef Stefan Inst., Ljubljana, Slovenia
Abstract :
Commercial lead-free thick-film resistors Du Pont CF-041, Ferro FX-87-B and Heraeus R-2141 with nominal sheet resistivities 10 kohm/sq. were printed and fired on alumina and LTCC substrates. The conductive phase - RuO2 - in resistors was determined by X-ray powder diffraction analysis (XRD). Electrical characteristics, i.e., sheet resistivities, noise and gauge factors were measured. The microstructures and chemical composition of fired resistors were investigated by SEM and EDS.
Keywords :
RoHS compliance; X-ray chemical analysis; X-ray diffraction; ceramic packaging; crystal microstructure; ruthenium compounds; scanning electron microscopy; thick film resistors; Al2O3; Du Pont CF-041; EDS; Ferro FX-87-B; Heraeus R-2141; LTCC-substrates; RoHS-conform thick-film resistors; RuO2; SEM; X-ray powder diffraction analysis; XRD; alumina substrates; chemical composition; commercial lead-free thick-film resistors; conductive phase; electrical characteristics; fired resistors; microstructures; nominal sheet resistivity; Conductivity; Glass; Lead; Noise; Resistors; Substrates; Thick films;
Conference_Titel :
Electronics Technology (ISSE), 2013 36th International Spring Seminar on
Conference_Location :
Alba Iulia
DOI :
10.1109/ISSE.2013.6648259