German scientists have developed erasable Magic 3D printing ink

Recently, researchers at the Karlsruhe Institute of Technology (Kit) in Germany developed an erasable 3D printing ink This ink is mainly used for direct laser writing, a additive manufacturing process for the production of nanostructures According to the developers, they can now repeatedly erase and rewrite micro structures up to 100 nanometers Relevant research results are published in angelwandte chemistry The direct laser writing technology mainly revolves around a highly focused laser beam controlled by a computer, which will generate a structure in a photosensitive material By immersing the printed structure with new ink in a chemical solvent, the material is erased and the new structure can be rewritten There is no limit to the number of erasures, which means that the print structure can now be repeatedly modified According to the introduction, the new ink can be used in a variety of applications and is expected to be particularly valuable in the field of biology and materials science, where it can open up numerous new possibilities The structure made of this new erasable ink can be integrated into the structure made of 3D printing of other materials Now, kit researchers have been testing their new innovations in biological labs Especially with the development of 3D Designer culture dish, cell culture can achieve three-dimensional growth on the scale of laboratory To study how cells respond to changes in the environment, parts of the 3D micro scaffold can be removed again According to the kit team, future applications may include the production of reversible wire bonding from erasable conductive structures A printed material may also be made with more or less porosity, for example, by mixing a permanent ink with a non permanent ink, which is just the tip of an iceberg Paper link: http://onlinelibrary.wiley.com/doi/10.1002/anie.201701593/abstract