Aerosol Jet Printing of Thin Film Transistor Circuits

Dr Mike J Renn, Senior Scientist
Optomec Inc, United States
Dec 04, 2008.


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Presentation Summary

  • Conductor, semiconductor, dielectric, and resistor materials printed with Aerosol-Jet
  • Sub-micron layer thickness, 10 um feature size, and 5 um registration achieved
  • TFT devices with high drain current (mA), high on-off ratio (10^5), and low operation voltage (1V) printed on plastic
  • Multiple TFTs printed to form logic gates and ring oscillators

Speaker Biography (Mike J Renn)

Dr. Michael Renn is the Director of the M3D Applications Laboratory at Optomec, Inc.. He holds a B.A. degree from Lawrence University in physics and mathematics and a Ph.D. from the University of Virginia in physics. Dr. Renn was a postdoctoral fellow at the University of Colorado's JILA institute and a faculty member at Michigan Technological University prior to joining Optomec. Dr. Renn initially joined as the principle investigator on a DARPA MICE project that launched the Aerosol-Jet technology. Since then he has been directing the Optomec M3D applications laboratory in St. Paul, MN. Dr. Renn holds more than 20 issued and pending patents related to M3D and other members of his team hold core expertise in material science, optics, and systems engineering.

Company Profile (Optomec)

Optomec® is the world-leading provider of additive manufacturing systems for high-performance applications in the Electronics, Photovoltaic, and Aerospace & Defense markets. Optomec's Aerosol Jet ® Deposition System (formerly known as M3D) is a breakthrough additive technology enabling finer feature sizes than traditional ink-jetting and screen printing processes. The Aerosol Jet system utilizes an innovative aerodynamic focusing technology that produces electronic and physical structures with feature sizes down to 10 microns. The Aerosol Jet system supports a wide variety of materials including nanoparticle inks and screen-printing pastes, conductive polymers, insulators, adhesives, and even biological matter that can be accurately deposited onto non-planar substrates.
Aerosol Jet is a registered trademark of Optomec, Inc.