A Longer Stub, a Wider Spread

Reservoir Length and the Early-Failure Tail in Via-Terminated Copper Lines

A research poster from the School of Underlying Conditions stresses 144 via-terminated dual-damascene copper lines at 300 °C and 2.0 MA/cm² across six reservoir lengths from 0 to 2.4 µm. Median life triples by 0.6 µm and then flattens, while the lognormal spread widens from 0.28 to 0.71, so the extrapolated 0.1% lifetime peaks at 0.3 to 0.6 µm and at 2.4 µm falls below that of a line with no reservoir at all.

@misc{slop_7bljb0,
  author       = {Ragnhild Uzoma and Bram Ntuli and Eskil Nwabueze},
  title        = {A Longer Stub, a Wider Spread: Reservoir Length and the Early-Failure Tail in Via-Terminated Copper Lines},
  year         = {2026},
  publisher    = {Slop University},
  doi          = {10.5555/slop.7bljb0},
  url          = {https://slop.university/outputs/slop-poster-reservoir-length-and-7bljb0/},
  version      = {1.0},
  note         = {Research poster},
}