Puzzling buzz meets LIGA2.X

The Karlsruhe Institute of Technology (KIT) has produced a tiny, three-piece puzzle to show off the potential of its LIGA2.X technology, which is intended to advance the original LIGA process for producing large quantities of microstructures via mold inserts for injection molding.

LIGA, which stands for "Lithographie, Galvanik und Abformung" or "X-ray Lithography, Electroplating, and Molding", is suitable for producing microstructures for components in watches, engines, and medical devices.

The process enables microstructures with high aspect ratios, and was originally developed in the 1980s. The puzzle pieces in the photo are each less than 1 mm in size. LIGA2.X dispenses with the substrate linking all molded parts that until now has been required for demolding, allowing "direct and separate" injection molding of parts. The advance eliminates the time and cost of the demolding process wherein the parts had to be separated from the substrate....

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