Comparative Seminar on Module Sintering vs. Soldering: Evaluating the Optimal Performance and Cost Efficiency
The EV engineering industry is set to witness an exciting comparison between module sintering and soldering at the Virtual Conference on EV Engineering, taking place from September 15 to 18, 2025. This event, which covers the entire EV engineering supply chain and ecosystem, promises to be a hub of innovation and knowledge-sharing.
One of the key presentations at the conference will be by Heraeus, a leading company in the field. Heraeus will compare Innolot preforms, a cost-effective solution for high power modules, with sintering using their silver sinter paste PE360P, designed for printing applications.
Innolot preforms, which have revolutionised the performance of power modules and surrounding packaging technologies, offer several advantages. They have a lower cost and can be applied simply via a pick and place process from a waffle pack, pre-cut to match the substrate design. Moreover, chips are no longer soldered but sintered, and die top connections are no longer Aluminum wires but Cu wires on die top systems or Cu clips.
Innolot preforms exhibit excellent reliability for thermal cycling from -40°C to +125°C, with less than 3% degradation after 2000 cycles compared to over 15% for SAC. However, it's worth noting that Innolot preforms show substantial delamination after 500 cycles for thermal shock testing from -50°C to +150°C.
On the other hand, large-area sintering shows a lower thermal resistance (200 W/mK) compared to solder materials (< 65 W/mK), which may make it a better choice for high power modules. Unfortunately, no specific information about the performance, reliability, or thermal resistance of PE360P was provided in the context of this comparison.
The conference sessions cover a wide range of topics, including motor and power electronics design and manufacturing, cell development, battery systems, testing, powertrains, thermal management, circuit protection, wire and cable, EMI/EMC, and more. The conference content is live and free to register, and the session list can be found online. Additionally, the conference is broadcast live, making it accessible to a global audience.
Attendees of the Virtual Conference on EV Engineering will have the opportunity to learn about the latest advancements in the field, network with industry professionals, and gain insights into the future of EV engineering. Don't miss out on this exciting event!
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