Caltech nanoscale 3D printing produces smallest metallic objects yet

Caltech nanoscale 3D printing produces smallest metallic objects yet

3D printed objects smaller than a human hair, and invisible to the naked eye are commonly produced using a process called two-photon lithography. This method has been used to develop innovative medical treatments , security features , and even castles on the tip of a pencil. In a new technique developed by the Greer Group at California Institute of Technology (Caltech) researchers have used two-photon lithography to 3D print metal structures. By producing dimensions no larger than 100 nanometeres, the Greer Group’s technique is capable of making metal features “an order of magnitude smaller” than any other metal 3D […]

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