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Conference paper
Nano electro-machining (nano-EM): A novel method for sculpting nano vias (< 20 nm) for nanoscale packaging
Abstract
There is a great need to produce nanoscale features on diverse and sometimes difficult-to-machine materials for electronic and bio-medical applications. This paper describes an electro-machining (EM) process at nanoscale, implemented using a scanning probe platinum-iridium (Pt-Ir) electrode tool (15-20 nm radius) in dielectric oil. The experiments were conducted by maintaining a gap of 2 nm between the tool and the work-piece. These experiments have successfully demonstrated that controlled and consistent machined features, as small as 10 nm in diameter, on atomically flat gold can be obtained. It is suggested that resonant tunnelling through dielectric oil molecules causes the removal of material.
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Conference paper