| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Mäkelä, Tapio
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2022Giant magnetoresistance response in Sr 2 FeMoO 6 based organic spin valvescitations
- 2022Optical properties of an organic-inorganic hybrid film made of regenerated cellulose doped with light-scattering TiO2 particlescitations
- 2022Giant magnetoresistance response in Sr2FeMoO6 based organic spin valvescitations
- 2018Systematic Design of Printable Metasurfacescitations
- 2018Systematic Design of Printable Metasurfaces: Validation Through Reverse-offset Printed Millimeter-wave Absorberscitations
- 2016Towards printed millimeter-wave components:Material characterizationcitations
- 2016Towards printed millimeter-wave componentscitations
- 2016Towards printed millimeter-wave components: Material characterizationcitations
- 2014Nanometer to micrometer scale patterning by thermal roll to roll NIL
- 2012Roll-to-roll pilot nanoimprinting process for backlight devicescitations
- 2012IR-sintering of ink-jet printed metal-nanoparticles on papercitations
- 2011Pilot scale roll to roll nanoimprint process for backlight devices
- 2010Backlight device fabricated by roll-to-roll nanoimprinting
- 2010Rotation controlled imprinting
- 2008Towards printed electronic devices. Large-scale processing methods for conducting polyaniline
- 2008Continuous Double-Sided Roll-to-Roll Imprinting of Polymer Filmcitations
- 2008Roll-to-Roll Fabrication of Bulk Heterojunction plastic solar cells using the reverse gravure coating techniquecitations
- 2008Roll-to-roll fabrication of bulk heterojunction plastic solar cells using the reverse gravure coating techniquecitations
- 2007Continuous 2-sided roll to roll nanopatterning of a polymer filmcitations
- 2001Self-organization of nitrogen-containing polymeric supramolecules in thin filmscitations
- 2001Imprinted electrically conductive patterns from a polyaniline blendcitations
Places of action
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document
Backlight device fabricated by roll-to-roll nanoimprinting
Abstract
In the high volume manufacturing long term stability of process the parameters is essential. In this work we demonstrate the fabrication of backlight device on 50 mm wide and 95 micron thick cellulose acetate (CA) web (from Clarifoil). Optical binary grating design and Ni-mold were produced by Modines Ltd. The fabrication process for flexible Ni-master is shown e.g. in ref. The size of backlight structure is 30 mm x 60 mm consisting a blocks of 5 micron wide cavities as shown in Fig. 1. More than 500 devices was printed on CA-film in continuous roll-to-roll process. Printing speed was varied from 0.1 to 1.0 m/min when temperature was maximized at 118 oC, which is close to the glass transition temperature (125 oC) of CA film. Pressure of ca. 20 MPa was applied in the process. These parameters were optimized for continuous printing process. Higher temperatures or pressures can lead to a break of the web, which prevents continuous processing. In this process we have used a custom made nanoimprinter device.