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High-Uniformity Core-Shell Nanofibers for Semiconductor Packaging: Process Optimization and Performance Study of

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Airflow-assisted coaxial electrospinning improves core-shell nanofiber uniformity for semiconductor applications. This method overcomes limitations of traditional techniques, enabling stable production of highly uniform nanofibers.

Keywords:
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Area of Science:

  • Materials Science
  • Nanotechnology
  • Electrical Engineering

Background:

  • Semiconductor miniaturization requires enhanced material uniformity.
  • Core-shell nanofibers are promising for semiconductor packaging and flexible circuits.
  • Traditional electrospinning methods struggle with uniformity and processing challenging solutions.

Purpose of the Study:

  • To develop a stable method for producing highly uniform core-shell nanofibers.
  • To overcome the limitations of traditional coaxial electrospinning for semiconductor applications.
  • To optimize airflow-assisted coaxial electrospinning for enhanced fiber morphology.

Main Methods:

  • Airflow-assisted coaxial electrospinning was employed, leveraging airflow-electric field synergy.
  • COMSOL Multiphysics 6.4 simulated airflow dynamics within the electrospinning setup.
  • The response surface method was utilized for parameter optimization.

Main Results:

  • Optimized parameters (10 kPa air pressure, 16.71 kV voltage, 3.42 mm gas nozzle inner diameter) yielded regular nanofiber morphology.
  • The diameter coefficient of variation was reduced to as low as 9.2%.
  • The airflow-electric field synergy effectively enhanced fiber stretching and uniformity.

Conclusions:

  • Stable preparation of highly uniform core-shell nanofibers is achievable with the optimized airflow-assisted method.
  • This technique provides crucial process support for large-scale semiconductor applications.
  • The findings advance the development of flexible electronics and photodetection technologies.