Gi-Tae Lim

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Cu pillar bumps with eutectic SnPb solder were annealed and their microstructures were investigated. Linear relationship was observed between thickness of intermetallic compounds (IMCs: Cu<sub>6</sub>Sn<sub>5</sub>, Cu<sub>3</sub>Sn) and square root of time at 120 and 150degC. Kirkendall voids, formed by the diffusivity differences between Cu and Sn, were(More)
  • Abergel, A Arab, +88 authors A Zavagno
  • 2012
Context. In photodissociation regions (PDRs), the physical conditions and the excitation evolve on short spatial scales as a function of depth within the cloud, providing a unique opportunity to study how the dust and gas populations evolve with the excitation and physical conditions. The mapping of the PDRs in NGC 7023 performed during the science(More)
  • Abergel, A Arab, +88 authors A Zavagno
  • 2016
Context. In photodissociation regions (PDRs), the physical conditions and the excitation evolve on short spatial scales as a function of depth within the cloud, providing a unique opportunity to study how the dust and gas populations evolve with the excitation and physical conditions. The mapping of the PDRs in NGC 7023 performed during the science(More)
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