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Optimization of Inkjet-Based Process Modules for Printed Transistor Circuits

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We report on the development of inkjet-based process modules for printed transistor-based circuits. The requirement for realization of printed transistor-based circuits is the capability to print consistent fine lines for transistor electrodes and uniform/conformal layers of insulators and semiconductor islands on top of the printed electrodes by optimizing the printing parameters and surface energy of the underlying layers. The baseline processes accomplished the above-mention requirement were developed. In addition, we demonstrate novel process modules such as self-alignment of transistor electrodes, printed self-aligned interconnect and printed local interconnect by simultaneous dissolving and connecting the underlying metal layers. Lastly, a printed inverter circuit utilizing the complete printing modules was demonstrated to illustrate the simplicity and the feasibility of the inkjet-based process modules towards the realization of low-cost printed electronics.
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Document Type: Research Article

Publication date: 01 January 2009

More about this publication?
  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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