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The lead-free thick-film resistors with different ratios of conductive and glass phases were investigated. Four resistor materials with nominal sheet resistivities from 50 ohm/sq. to 50 kohm/sq. were prepared with different combinations of two lead-free glasses with reflow temperatures at 940°C and 1240°C, respectively, and two RuO2 powders (fine grained and coarse grained RuO2). Thick-film resistors...
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