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A Sprayable Electrically Conductive Edible Coating for Piezoresistive Strain Sensing

Dario Floreano, Bokeon Kwak, Pietro Rossi

Edible electronics leverages the electronic properties of food-derived materials to deliver safer technologies that can be degraded (or digested) in the environment (or body) at the end-of-life. Sensors will be central to future smart edible robots, and ed ...

2024

Additive manufacturing inks or resins and additive manufactured structures

Esther Amstad, Matteo Hirsch, Alvaro Lino Boris Charlet

The invention relates to additive manufacturing inks and resins; methods of using said inks and resins in additive manufacturing; and additive manufactured articles made using said inks and resins. ...

2022

Functional Ink Formulation for Printing and Coating of Graphene and Other 2D Materials: Challenges and Solutions

Frank Nüesch, Jakob Heier, Sina Abdolhosseinzadeh, Mohammad Jafarpour

The properties of 2D materials are unparalleled when compared to their 3D counterparts; many of these properties are a consequence of their size reduction to only a couple of atomic layers. Metallic, semiconducting, and insulating types can be found and fo ...

WILEY2022

2D Material Based Inks For Room Temperature Printed Electronics

Sina Abdolhosseinzadeh

Functional printing is a versatile mass production method that has gained considerable scientific and industrial attention in the past few years. A wide range of electronics from passive circuit components (e.g., resistors and interconnects) to high-perfor ...

EPFL2021

Inkjet-printed polymer composites for the detection of volatile organic compounds

Mohammadmahdi Kiaee

Sensors capable of detecting and classifying volatile organic compounds (VOC) have been gaining more attention by the advent of internet-of-things (IoT) enabled devices and integration of various sensing elements into hand-held and portable devices. The re ...

EPFL2021

3D Printing of Strong and Tough Double Network Granular Hydrogels

Esther Amstad, Matteo Hirsch, Alvaro Lino Boris Charlet

Many soft natural tissues display a fascinating set of mechanical properties that remains unmatched by manmade counterparts. These unprecedented mechanical properties are achieved through an intricate interplay between the structure and locally varying the ...

2020

Method and apparatus for generating three-dimensional patterned soft structures and uses thereof

Christophe Moser, Paul Delrot, Sylvain Paul Hauser, Jan Krizek

A method for generating a three-dimensional patterned soft structure, including the steps of providing a soft supporting substrate, providing a drop-on-demand system with a device for varying the velocity of the jetted droplets, providing a liquid ink, jet ...

2018

Virtual reading of a large ancient handwritten science book

Giorgio Margaritondo, Frédéric Kaplan, Alessandra Patera, Fauzia Albertin, Marco Stampanoni

We present a fundamental development step of a new technique to read and digitize ancient handwritten documents. Chemical analysis by x-ray fluorescence and x-ray tomography enabled us to decipher words and drawings from inside a closed, 200-pages 18 th ce ...

Elsevier2016

Analyzing halftone dot blurring by extended spectral prediction models

Roger Hersch, Mathieu Hébert

Spectral prediction models for halftone prints generally assume homogeneously thick and sharply edged ink dots, i.e., bilevel halftones. In real prints, the ink thickness often decreases at the boundaries of the ink dots, thereby forming continuous-level h ...

2010

Deducing Ink Thickness Variations by a Spectral Prediction Model

Roger Hersch, Thomas Bugnon, Mathieu Brichon, Peter Amrhyn, Safer Mourad, Frédérique Crété

Most existing techniques for regulating the ink flow in offset presses rely oil density measurements carried out oil specially printed patches. In the present contribution. we develop a methodology to deduce ink thickness variations from spectral measureme ...

Wiley-Blackwell2009

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