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Updated: Jun 12, 2026

High-resolution Patterning Using Two Modes of Electrohydrodynamic Jet: Drop on Demand and Near-field Electrospinning

High-resolution Patterning Using Two Modes of Electrohydrodynamic Jet: Drop on Demand and Near-field Electrospinning

Published on: July 10, 2018

Rapid electrohydrodynamic lithography using low-viscosity polymers.

Pola Goldberg-Oppenheimer¹, Ullrich Steiner

¹Cavendish Laboratory Department of Physics University of Cambridge J. J. Thomson Avenue, Cambridge CB3 0HE, UK.

Small (Weinheim an Der Bergstrasse, Germany)

|May 21, 2010

Summary

This summary is machine-generated.

Low-viscosity polymers enable faster electrohydrodynamic (EHD) lithography patterning, achieving high-fidelity results in under 10 seconds. Monitoring leakage current helps track EHD pattern formation progress during rapid fabrication.

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Area of Science:

Materials Science
Nanotechnology
Polymer Science

Background:

Electrohydrodynamic (EHD) lithography offers high-resolution patterning capabilities.
Previous EHD lithography methods faced limitations in patterning speed.
Developing faster, high-fidelity patterning techniques is crucial for advanced manufacturing.

Purpose of the Study:

To evaluate low-viscosity, glass-forming polymers for high-speed EHD lithography.
To establish a method for monitoring pattern formation in rapid EHD processes.
To correlate device performance with polymer properties in EHD applications.

Main Methods:

Screening of various low-viscosity glass-forming polymers.
Fabrication of polymer films for EHD lithography.
Monitoring of leakage current during EHD pattern formation.
Analysis of current-time curves to identify pattern completion stages.

Main Results:

Low-viscosity polymers significantly reduced patterning time to below 10 seconds.
High fidelity of replicated structures was maintained despite increased speed.
A sigmoidal leakage current curve was identified as an indicator of EHD pattern formation.
The leakage current monitoring method effectively correlates with pattern development stages.

Conclusions:

Low-viscosity polymers are suitable for high-speed, high-fidelity EHD lithography.
Leakage current monitoring provides a real-time metric for EHD pattern formation.
This approach accelerates the EHD lithography process for practical applications.