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Ag sintering has been widely studied as a lead-free die attach solution for power electronics. A soak time of a dozen minutes at the sintering temperature is necessary to establish strong bond strength by the conventional heating method. Chemical bonding can be achieved by various parameters associated with the metallurgical bond of the adjacent surfaces. In this study, attaching technology between...
Lead-free solder alloys for high temperature applications is required to meet increasing demands for reliable replacements for lead-based alloys. Especially, high temperature solder is required for bonding in power electronics packages where first bonding on a lead-frame is performed at a temperature of about 330 °C. In this study, the SiC based TO-220 power package was developed by applying high...
Cyanate ester resin-based composite materials have been proposed as potential encapsulants for high-temperature applications. The objective of this study is to develop a cyanate ester-based encapsulant, which can also serve as a flip-chip underfill as well as for traditional encapsulation. Two different materials, quartz and alumina fillers, have been studied. The impact of shapes and sizes of the...
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