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Abstract: This paper presents the ultrasonic welding technique for the copper terminals of large current, high reliability IGBT modules. Investigated topics are the strength of the bonding inferred ...
High-SPL Air-Coupled Piezoelectric Micromachined Ultrasonic Transducers Based on 36% ScAlN Thin-Film
Abstract: In this paper, air-coupled piezoelectric micromachined ultrasonic transducers (PMUTs) using 36% scandiumdoped aluminum nitride (ScAlN) thin-film are presented. ScAlN is known to exhibit ...
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