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Related Experiment Videos

Microfabrication techniques using focused ion beams and emergent applications.

M J Vasile1, R Nassar, J Xie

  • 1Institute for Micromanufacturing, Louisiana Tech University, Ruston 71272, USA. mjv@coes.latech.edu

Micron (Oxford, England : 1993)
|July 27, 1999
PubMed
Summary

Focused ion beam (FIB) machining enables advanced microstructure fabrication for tools and manipulators. Mathematical modeling accurately guides ion milling for precise 3D cavity creation, advancing micro-fabrication technologies.

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Area of Science:

  • Materials Science and Engineering
  • Nanotechnology
  • Mechanical Engineering

Background:

  • Focused Ion Beam (FIB) machining is an advanced technique for precise material removal at the micro- and nanoscale.
  • Traditional methods for microstructure fabrication face limitations in precision and complexity.
  • Emerging applications require highly specialized micro-tools and manipulators.

Purpose of the Study:

  • To present the application of FIB machining for microstructure fabrication.
  • To demonstrate the production of micromilling and microsurgical tools using FIB.
  • To discuss the transition of laboratory FIB fabrication to a routine production process.

Main Methods:

  • Utilized focused ion beam (FIB) machining for microstructure fabrication.

Related Experiment Videos

  • Developed and applied a mathematical model for precise control of FIB deflection.
  • Demonstrated ion milling of three-dimensional cavities with specific cross-sectional shapes.

    • Main Results:

    • Successfully produced micromilling tools for metal machining and microsurgical tools.
    • Showcased microsurgical manipulators for applications like circulatory system measurements.
    • Achieved accurate ion milling of 3D cavities, validating the mathematical model for parabolic and cosine cross-sections.

    Conclusions:

    • FIB machining is a viable technology for producing advanced microstructures and tools.
    • Mathematical modeling provides precise control over FIB processes for complex geometries.
    • The transition from lab-scale to production-scale FIB fabrication is feasible for these applications.