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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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Blasco, Eva
Heidelberg University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2024Two-photon laser printing of 3D multicolor emissive polymer microstructurescitations
- 2023Deconstructing 3D Structured Materials by Modern Ultramicrotomy for Multimodal Imaging and Volume Analysis across Length Scalescitations
- 2023Deconstructing 3D Structured Materials by Modern Ultramicrotomy for Multimodal Imaging and Volume Analysis across Length Scales
- 2023Laser printed microelectronicscitations
- 2023Increasing the Efficiency of Thermoresponsive Actuation at the Microscale by Direct Laser Writing of pNIPAMcitations
- 20233D Printing Hierarchically Nano‐Ordered Structures
- 20233D Printing Hierarchically Nano‐Ordered Structurescitations
- 2023Covalent Adaptable Microstructures via Combining Two‐Photon Laser Printing and Alkoxyamine Chemistry: Toward Living 3D Microstructures
- 2022Increasing the Efficiency of Thermoresponsive Actuation at the Microscale by Direct Laser Writing of pNIPAM
- 2022Covalent Adaptable Microstructures via Combining Two‐Photon Laser Printing and Alkoxyamine Chemistry: Toward Living 3D Microstructurescitations
- 2021Enzyme-degradable 3D multi-material microstructurescitations
- 2021Emissive semi-interpenetrating polymer networks for ink-jet printed multilayer OLEDscitations
- 2021Multi-material multi-photon 3D laser micro- and nanoprinting
- 2020Rapid Assembly of Small Materials Building Blocks (Voxels) into Large Functional 3D Metamaterialscitations
- 2019Controlling the shape of 3D microstructures by temperature and lightcitations
- 2019Two in one: Light as a tool for 3D printing and erasing at the microscalecitations
- 2019Tailoring the mechanical properties of 3D microstructures using visible light post-manufacturingcitations
- 2018A subtractive photoresist platform for micro- and macroscopic 3D printed structurescitations
- 2016Fabrication of conductive 3D gold-containing microstructures via direct laser writingcitations
- 2015Designing pi-Conjugated Polymeric Nano- and Microstructures via Light Induced Chemistrycitations
- 2013Photochemical generation of light responsive surfacescitations
Places of action
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article
Two in one: Light as a tool for 3D printing and erasing at the microscale
Abstract
<p>The ability to selectively remove sections from 3D-printed structures with high resolution remains a current challenge in 3D laser lithography. A novel photoresist is introduced to enable the additive fabrication of 3D microstructures at one wavelength and subsequent spatially controlled cleavage of the printed resist at another wavelength. The photoresist is composed of a difunctional acrylate cross-linker containing a photolabile o-nitrobenzyl ether moiety. 3D microstructures are written by photoinduced radical polymerization of acrylates using Ivocerin as photoinitiator upon exposure to 900 nm laser light. Subsequent scanning using a laser at 700 nm wavelength allows for the selective removal of the resist by photocleaving the o-nitrobenzyl group. Both steps rely on two-photon absorption. The fabricated and erased features are imaged using scanning electron microscopy (SEM) and laser scanning microscopy (LSM). In addition, a single wire bond is successfully eliminated from an array, proving the possibility of complete or partial removal of structures on demand.</p>