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Low-temperature direct and indirect bonding using plasma activation for 3D integration

  • Harbin Institute of Technology

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

Abstract

In this study, plasma activation is demonstrated as a surface activation method in SiCOI (SiC-on-insulator) substrate fabrication, silicon-based wafer bonding, and pressure-less Ag nanopaste sintering for 3D integration. Oxygen inductive coupled plasma (ICP) shows high efficiency in organic removal and surface activation, which not only achieves a tight and reliable direct bonding but also serves for pressure-less sintering of Ag nanopaste by pre-decomposing the organic components. The oxygen plasma activation has exerted its multi-functional nature and excellent performance in both direct and indirect bonding methods. We believe that the plasma activation has sufficient potential as a versatile and efficient approach for heterogeneous integration and high-density packaging.

Original languageEnglish
Title of host publicationProceedings of 2020 IEEE International Conference on Integrated Circuits, Technologies and Applications, ICTA 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages130-132
Number of pages3
ISBN (Electronic)9781728180328
DOIs
StatePublished - 23 Nov 2020
Event3rd IEEE International Conference on Integrated Circuits, Technologies and Applications, ICTA 2020 - Virtual, Nanjing, China
Duration: 23 Nov 202025 Nov 2020

Publication series

NameProceedings of 2020 IEEE International Conference on Integrated Circuits, Technologies and Applications, ICTA 2020

Conference

Conference3rd IEEE International Conference on Integrated Circuits, Technologies and Applications, ICTA 2020
Country/TerritoryChina
CityVirtual, Nanjing
Period23/11/2025/11/20

Keywords

  • 3D integration
  • Plasma activation
  • SiCOI fabrication
  • nanopaste
  • pressure-less sintering
  • wafer bonding

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