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Proceedings Paper

A self-aligned approach to printed circuits (Conference Presentation)
Author(s): C. Daniel Frisbie
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Paper Abstract

Printed electronics has a number of significant challenges, including spatial resolution, pattern registration, and printed circuit performance. In this talk, I will describe a multi-pronged approach to address these challenges that may bring roll-to-roll printed electronics closer to reality. To begin, I will show that innovations in materials allow the fabrication of printable, low voltage thin film transistors (TFTs), the key building blocks of flexible circuits, and that these can be incorporated into simple printed circuit demonstrations involving two dozen TFTs and an equivalent number of printed resistors and capacitors. The second half of the talk will describe a novel liquid-based fabrication approach that we term SCALE, or Self-Aligned Capillarity-Assisted Lithography for Electronics. The SCALE process employs a combination of digital printing and in-substrate capillary flow to produce self-aligned devices with feature sizes that are currently as small as 1 micron. The talk will finish with a discussion of the new opportunities in flexible microelectronics afforded by liquid-based processing.

Paper Details

Date Published: 7 November 2016
PDF: 1 pages
Proc. SPIE 9945, Printed Memory and Circuits II, 99450I (7 November 2016); doi: 10.1117/12.2238852
Show Author Affiliations
C. Daniel Frisbie, Univ. of Minnesota, Twin Cities (United States)


Published in SPIE Proceedings Vol. 9945:
Printed Memory and Circuits II
Emil J. W. List-Kratochvil, Editor(s)

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