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Jürgen Brugger

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Related publications (329)

Single-Cell 3D Bio-Mems Environment With Engineered Geometry And Physiologically Relevant Stiffnesses

Giovanni Boero, Jürgen Brugger, Mattia Marelli

We present a three dimensional (3D) microenvironment for on-chip cell culture, with engineered geometrical and mechanical properties. The device, named mu-flower, is based on micorfabricated cantilever beams bent out of plane by the intrinsic stresses of a ...

Ieee2014

Direct imprinting of organic-inorganic hybrid materials into high aspect ratio sub-100 nm structures

Jürgen Brugger, Thomas Kiefer, Victor Javier Cadarso Busto, Vaida Auzelyte

The challenging fabrication of sub-100-nm structures with high aspect ratio by UV-nanoimprint lithography (NIL) is addressed in this work. Thermal shrinkage is induced by cooling the structures below room temperature to avoid the issues commonly arising du ...

Springer Verlag2014

Polymeric variable optical attenuators based on magnetic sensitive stimuli materials

Jürgen Brugger, Victor Javier Cadarso Busto

Magnetically-actuable, polymer-based variable optical attenuators (VOA) are presented in this paper. The design comprises a cantilever which also plays the role of a waveguide and the input/output alignment elements for simple alignment, yet still renderin ...

Institute of Physics2014

Microdrop generation and deposition of ionic liquids

Jürgen Brugger, Victor Javier Cadarso Busto

This work describes the use of a piezo-actuated inkjet print head with a nozzle aperture of 50 mu m to obtain picoliter drops of different model ionic liquids (ILs). A theoretical analysis of the microdrop generation of three model ILs is confirmed by expe ...

Materials Research Society2014

Curved Transflective Holographic Screens for Head-Mounted Display

Arnaud Mader, Jürgen Brugger, Jonas Grossenbacher, Victor Javier Cadarso Busto, Seyedpayam Vahdati, Christophe Moser, Eric Tremblay

A volume hologram recorded with a lens array is proposed as a transflective screen for Head Worn Display (HWD) systems. Design, fabrication as well as proof of concept are reported. Light from a projection system, with similar properties to one mounted on ...

Spie-Int Soc Optical Engineering2013

When nothing is constant but change: Adaptive and sensorial materials and their impact on product design

Paul Muralt, Jürgen Brugger, Nikhil Gupta

This article is the preface to the Special Issue of the Journal of Intelligent Material Systems and Structures on occasion of the Symposium A53 MEMS/NEMS for Sensorial and Actorial Materials' held at the Euromat 2011 Conference, Montpellier, France, Septem ...

Sage Publications Ltd2013

Dynamics of capillary self-alignment for mesoscopic foil devices

Jürgen Brugger, Massimo Mastrangeli

We report experimental evidence for three sequential, distinct dynamic regimes in the capillary self-alignment of centimeter-sized foil dies released at large uniaxial offsets from equilibrium. We show that the initial transient wetting regime, along with ...

American Institute of Physics2013

Simple and easily controllable parabolic-shaped microlenses printed on polymeric mesas

Jürgen Brugger, Joo Yeon Kim, Cristina Martin Olmos

A simple and easy shape-controllable approach is demonstrated for the fabrication of parabolic-shaped polymer microlenses (mu-lenses), which are widely used in bio-imaging systems such as microfluidic and lab-on-a-chip systems for improving the image quali ...

Royal Society of Chemistry2013

Stencil-Nanopatterned Back Reflectors for Thin-Film Amorphous Silicon n-i-p Solar Cells

Christophe Ballif, Céline Pahud, Jürgen Brugger, Oscar Vazquez Mena, Andreea Veronica Savu, Mona Julia Katharina Klein, Franz-Josef Haug

We fabricated amorphous silicon n-i-p solar cells with two types of nanopatterned back reflectors using stencil lithography. One reflector type has a plasmonic grating that is embedded in the ZnO layer; the other one has a metallic grating patterned on top ...

Ieee-Inst Electrical Electronics Engineers Inc2013

Cell shape-dependent early responses of fibroblasts to cyclic strain

Jürgen Brugger, Mattia Marelli

Randomly spread fibroblasts on fibronectin-coated elastomeric membranes respond to cyclic strain by a varying degree of focal adhesion assembly and actin reorganization. We speculated that the individual shape of the cells, which is linked to cytoskeletal ...

Elsevier2013

Preface: Special Issue: Euromat 2011-European Congress and Exhibition on Advanced Materials and Processes: Symposium A53 MEMS/NEMS for Sensorial and Actorial Materials

Paul Muralt, Jürgen Brugger, Nikhil Gupta

SAGE Publications2013

In-liquid MEMS assembly by optical trapping

Jürgen Brugger, Loïc Jacot-Descombes, Rosario Maurizio Gullo

This paper presents a novel in-liquid method to manipulate and micro-assemble MEMS in 3D by means of holographic optical trapping and hydrophobic interaction. Up to eight traps can be simultaneously generated with a trapping stiffness of 5 pN/mu m each. SU ...

IEEE2013

Inkjet-printed SU-8 Hemispherical Microcapsules and Silicon chip Embedding

Jürgen Brugger, Loïc Jacot-Descombes, Victor Javier Cadarso Busto, Rosario Maurizio Gullo, Massimo Mastrangeli

Planar lithography techniques are not effective for precise fabrication of microdevices with hemispherical shapes. Drop-on-demand (DOD) inkjet printing (IJP) of photo-curable ink is a more appropriate fabrication approach as it takes advantage of the surfa ...

2013

Simulation of Electrical Discharge Initiated by a Nanometer-Sized Probe in Atmospheric Conditions

Jürgen Brugger, Yuan Ma

In this paper, a two-dimensional nanometer scale tip-plate discharge model has been employed to study nanoscale electrical discharge in atmospheric conditions. The field strength distributions in a nanometer scale tip-to-plate electrode arrangement were ca ...

Iop Publishing Ltd2013

High aspect ratio etching of nanopores in PECVD SiC through AAO mask

Jürgen Brugger, Vaida Auzelyte, Songmei Wu, Wei Tang

We present in this work the fabrication of high aspect ratio nanopores in 500 nm PECVD SiC films through AAO (anodic aluminum oxide) mask. The initial AAO thin film is 180 nm thick and the diameter of nanopores is 33 ± 7 nm. We have used three plasma chemi ...

IEEE2013

Structural and optical properties of the Cu2ZnSnSe4 thin films grown by nano-ink coating and selenization

Jürgen Brugger, Ying Liu

Quaternary semiconductor Cu2ZnSnSe4 (CZTSe) is a very promising alternative to semiconductors based on indium (In) and gallium (Ga) as solar absorber material due to its direct band gap, inherent high absorption coefficient (> 10(4) cm(-1)) and abundance o ...

Springer Verlag2013

High-resolution 1D moirés as counterfeit security features

Roger Hersch, Sylvain Chosson, Jürgen Brugger, Katrin Sidler Arnet, Victor Javier Cadarso Busto

A moire is an interference pattern that appears when two different periodic structures are overlaid. The image created is extremely sensitive to small variations in the original layers and is thus very interesting for anti-counterfeit protection. We presen ...

Nature Publishing Group2013

Large-Area Gold/Parylene Plasmonic Nanostructures Fabricated by Direct Nanocutting

Christian Santschi, Jürgen Brugger, Olivier Martin, Benjamin Gallinet, Valentin Flauraud, Shourya Dutta Gupta, Vaida Auzelyte

Wiley-V C H Verlag Gmbh2013

Fluid-mediated parallel self-assembly of polymeric micro-capsules for liquid encapsulation and release

Alcherio Martinoli, Jürgen Brugger, Grégory Mermoud, Loïc Jacot-Descombes, Luis Guillermo Villanueva Torrijo, Cristina Martin Olmos, Victor Javier Cadarso Busto, Rosario Maurizio Gullo, Massimo Mastrangeli

Fluid-mediated self-assembly is one of the most promising routes for assembling and packaging smart microsystems in a scalable and cost-efficient way. In this work the pairwise fluidic self-assembly of 100 μm-sized SU-8 cylinders is studied with respect to ...

2013

Room temperature strong coupling between a microwave oscillator and an ensemble of electron spins

Giovanni Boero, Jürgen Brugger, Jens Anders, Radoslaw Lisowski, Gabriele Gualco, David Michael Suter

We demonstrate theoretically and experimentally the possibility to achieve the strong coupling regime at room temperature with a microwave electronic oscillator coupled with an ensemble of electron spins. The coupled system shows bistable behaviour, with a ...

Academic Press Inc - Elsevier Science2013

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