Concept

Électrophotographie

Publications associées (18)

Addressable Acoustic Actuation of 3D Printed Soft Robotic Microsystems

Mahmut Selman Sakar, Murat Kaynak, Pietro Luciano Jakobus Dirix

A design, manufacturing, and control methodology is presented for the transduction of ultrasound into frequency-selective actuation of multibody hydrogel mechanical systems. The modular design of compliant mechanisms is compatible with direct laser writing ...

2020

On Advanced Large-Field Photolithography

Raoul Kirner

The information age we live in today relies on highly integrated devices. They are fabricated with the help of photolithography, the patterning technique at the heart of their production. With the continuous demand for higher integration density to achieve ...

EPFL2019

Fast turnaround fabrication of silicon point-contact quantum-dot transistors using combined thermal scanning probe lithography and laser writing

Matthieu Jean Michel Rüegg, Cheng Wang, Nolan Lassaline

The fabrication of high-performance solid-state silicon quantum-devices requires high resolution patterning with minimal substrate damage. We have fabricated room temperature (RT) single-electron transistors (SETs) based on point-contact tunnel junctions u ...

2018

Intensity and phase fields behind Phase Shifting Masks studied with High Resolution Interference Microscopy

Hans Peter Herzig, Toralf Scharf, Krishnaparvathy Puthankovilakam

The proximity printing industry is in real need of high resolution results and it can be done using Phase Shift Mask (PSM) or by applying Optical Proximity Correction (OPC). In our research we are trying to find out details of how light fields behind the s ...

Spie-Int Soc Optical Engineering2015

A Polyvinylidene fluoride (PVDF) based bimorph actuator for high speed laser beam manipulation

Hannes Bleuler, Reymond Clavel, Ricardo Pérez Suárez

High-speed laser manipulation is a key technology in applications such as fast optical switches for coupling light into optical fibres, 2D beam steering for optical scanners, laser printers or 2D sensors. A novel design of a Polyvinylidene Fluoride (PVDF) ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2011

Direct writing laser of high aspect ratio epoxy microstructures

Jürgen Brugger, Georges-André Racine, Victor Javier Cadarso Busto, Jean-Baptiste Bureau

The development of high aspect ratio (AR) structures is of great interest in several ﬁelds such as micro-electro-mechanical systems or microﬂuidics. In this note we present a new processing method of epoxy materials based on direct write laser (DWL) scanni ...

Institute of Physics2010

Electrical Properties and Photoconductivity of Stacked-Graphene Carbon Nanotubes

Klaus Kern, Marko Burghard, Eduardo Jian Hua Lee

Stacked-graphene carbon nanotubes (SG-CNTs) obtained via pyrolysis of columnar superstructures of polycyclic aromatic hydrocarbons are studied by electrical transport measurements and scanning photocurrent microscopy. The charge transport in individual SG- ...

2010

3D Structuration Techniques of LTCC for Microsystems Applications

Yannick Sébastien Fournier

This thesis aimed at developing new 3D structuration techniques for a relatively recent new ceramic technology called LTCC, which stands for Low Temperature, Co-fired Ceramic. It is a material originally developed for the microelectronic packaging industry ...

EPFL2010

Simplified Ink Spreading Equations for CMYK Halftone Prints

Roger Hersch, Thomas Bugnon, Mathieu Brichon

The Yule-Nielsen modified spectral Neugebauer model enables predicting reflectance spectra from surface coverages. In order to provide high prediction accuracy, this model is enhanced with an ink spreading model accounting for physical dot gain. Traditiona ...

2008

Method and apparatus for generating halftone images by evolutionary screen dot contours

Roger Hersch

The present invention is related to the synthesis, display and printing of halftone images. The invention comprises a method capable of generating screen elements with sophisticated screen dot shapes such as artistic shapes, microletters and ideograms. The ...

2004

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