MIT Lincoln Laboratory developed a breakthrough low-temperature 3D printing technique for glass structures that requires only 250°C heat treatment instead of the typical 1,000°C+ processing. The method uses direct ink writing with custom silicate-based inks containing inorganic nanoparticles, enabling room-temperature printing followed by mineral oil bath curing. This approach produces high-resolution glass structures with thermal stability and minimal shrinkage, opening possibilities for microfluidic systems, optical components, and high-temperature electronics while making glass 3D printing more accessible and cost-effective.
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