Publication

High resolution meandering metal patterns enabled by nano-bridge stencil

Giovanni Boero
2021
Talks

Abstract

We present a new strategy for the fabrication of long meander-like metallic patterns based on the use of nano-bridges to stabilize fragile SiN stencils. Continuous metal traces are obtained by taking advantage of a controllable blurring effect introduced by an appropriate gap between the stencil and the substrate. The SEM, AFM and electrical measurement results indicate that continuous, conductive metal traces are successfully produced. Our results are a case study on a SiN substrate that can be extended to other substrates, and thus represents an important enabling step towards high spatial resolution metal additive patterning on stretchable wearables.

Official source

https://infoscience.epfl.ch/entities/publication/134dc1cb-4807-473f-8c2d-2e2c32de455a

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Giovanni Boero
2021
Talks

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/134dc1cb-4807-473f-8c2d-2e2c32de455a

About this result

Related concepts (15)

Gas metal arc welding

Gas metal arc welding (GMAW), sometimes referred to by its subtypes metal inert gas (MIG) and metal active gas (MAG) is a welding process in which an electric arc forms between a consumable MIG wire electrode and the workpiece metal(s), which heats the workpiece metal(s), causing them to fuse (melt and join). Along with the wire electrode, a shielding gas feeds through the welding gun, which shields the process from atmospheric contamination. The process can be semi-automatic or automatic.

Metal

A metal (from Ancient Greek μέταλλον métallon 'mine, quarry, metal') is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well. Metals are typically ductile (can be drawn into wires) and malleable (they can be hammered into thin sheets). These properties are the result of the metallic bond between the atoms or molecules of the metal. A metal may be a chemical element such as iron; an alloy such as stainless steel; or a molecular compound such as polymeric sulfur nitride.

Noble metal

A noble metal is ordinarily regarded as a metallic chemical element that is generally resistant to corrosion and is usually found in nature in its raw form. Gold, platinum, and the other platinum group metals (ruthenium, rhodium, palladium, osmium, iridium) are most often so classified. Silver, copper and mercury are sometimes included as noble metals, however less often as each of these usually occurs in nature combined with sulfur. In more specialized fields of study and applications the number of elements counted as noble metals can be smaller or larger.

Related publications (1)

High resolution meandering metal patterns enabled by nano-bridge stencil

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