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The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
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The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:
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Meniscus-on-Demand Parallel 3D Nanoprinting.

Mojun Chen1, Zhaoyi Xu1, Jung Hyun Kim2,3

  • 1Department of Mechanical Engineering , The University of Hong Kong , Pokfulam Road , Hong Kong , China.

ACS Nano
|April 20, 2018
PubMed
Summary
This summary is machine-generated.

A new noncontact method reliably creates femtoliter liquid menisci for nanoscale 3D printing. This electrohydrodynamic dispensing technique enables parallel fabrication of freestanding polymer nanostructures and nanowires with precise placement.

Keywords:
3D printingelectrohydrodynamic dispensingfreestanding nanowiresmeniscus-guided fabricationmultibarrel nanopipetpolymers

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Area of Science:

  • Nanotechnology
  • Materials Science
  • Chemical Engineering

Background:

  • Femtoliter liquid menisci offer precise nanoscale control for mass transfer and chemical reactions.
  • Current meniscus formation techniques lack reliability, hindering practical applications in nanoscale fabrication.

Purpose of the Study:

  • To develop a noncontact, programmable method for reliable femtoliter liquid meniscus formation.
  • To utilize this method for parallel three-dimensional (3D) nanoprinting of nanostructures.

Main Methods:

  • Electrohydrodynamic dispensing to create an ink meniscus without physical contact or feedback.
  • Guiding the meniscus under rapid solvent evaporation in ambient air.
  • Utilizing a multibarrel nanopipet for parallel fabrication.

Main Results:

  • Successful fabrication of freestanding polymer 3D nanostructures.
  • Demonstration of parallel fabrication of clustered nanowires with precise placement.
  • Quantitative characterization of experimental conditions for reliable meniscus formation.

Conclusions:

  • The developed noncontact electrohydrodynamic dispensing method enhances the reliability of femtoliter liquid meniscus formation.
  • This technique enables parallel 3D nanoprinting, significantly advancing productivity in nanoscale fabrication.
  • The method holds promise for future applications in advanced materials and devices requiring precise nanoscale assembly.