From Event: SPIE Organic Photonics + Electronics, 2016
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.
C. Daniel Frisbie, "A self-aligned approach to printed circuits
(Conference Presentation)," Proc. SPIE 9945, Printed Memory and Circuits II, 99450I (Presented at SPIE Organic Photonics + Electronics: September 01, 2016; Published: 7 November 2016); https://doi.org/10.1117/12.2238852.5169177899001.
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