LPBF of Sn-Ag Thermal Interfaces on Si substrate for High-Performance Electronic Cooling

  • Andrea Mistrini*
  • , Amin Hodaei
  • , Martina Meisnar
  • , Davoud Jafari
  • , Riccardo Casati
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1 Citation (Scopus)

Abstract

The continuous miniaturization of electronic components and the increasing power density in microprocessors require advanced thermal management solutions. In this study, we explore the use of Laser Powder Bed Fusion (LPBF) for fabricating Sn-Ag solder alloy as a thermal interface material (TIM) directly onto silicon wafers. By fine-tuning LPBF parameters, we demonstrate control over the microstructure and composition of the additively manufactured TIM, crucial for optimizing thermal conductivity and mechanical reliability. Our results highlight the potential of LPBF Sn-Ag layers as a high-performance alternative to conventional TIMs in high-power electronics, offering improved thermal dissipation and reliability. Key processing parameters, microstructural characteristics and their correlation with thermal performance are discussed in detail.

Original languageEnglish
Title of host publicationPCIM Conference 2025
Subtitle of host publicationInternational Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management 6–8 Mai 2025, Nuremberg
PublisherMesago PCIM GmbH
Pages411-417
Number of pages7
ISBN (Print)978-3-8007-6541-6
DOIs
Publication statusPublished - 2025
EventInternational Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, PCIM Europe 2025 - Nuremberg, Germany
Duration: 6 May 20258 May 2025

Publication series

NamePCIM Europe Conference Proceedings
PublisherVDE Verlag
Volume2025
ISSN (Electronic)2191-3358

Conference

ConferenceInternational Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, PCIM Europe 2025
Abbreviated titlePCIM Europe 2025
Country/TerritoryGermany
CityNuremberg
Period6/05/258/05/25

Keywords

  • NLA

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