2017 is bound to be a key year for the development of 3D printing. Looking back on 2016, what progress has been made in technological breakthroughs in various countries to meet the market opportunities in 2017?
Top 10 international innovations in 3D printing
1. Swiss scientists 3D printing gold and silver nanowalls can make higher performance touch screens
The touch screen is an indispensable product in our lives, and the touch screen technology is realized by the miniature conductive electrodes sprayed on the surface of the device. The electrode, which is barely visible to the naked eye, is composed of a nanowall made of conductive material, and the most commonly used material is indium tin oxide. It has high transparency, but poor conductivity.
The Federal Institute of Technology Zurich (ETH) uses "nanodrop" 3D printing for innovative manufacturing. This method can use gold and silver nanoparticles as raw materials to 3D print ultra-thin "nanowalls", which has never been made before. The transparent conductive electrode finally creates a touch screen with better picture quality and more accurate response.
At present, researchers have successfully used this technology to 3D print out ultra-thin electrode layers with a thickness of 80-500 nm.
2. From resin to ceramics, California high-temperature ceramics 3D printing technology
The HRL laboratory in Malibu, California, invented a resin formulation compatible with light curing / 3D printing, consisting of silicon, nitrogen and oxygen, and irradiating this resin with a beam of ultraviolet rays in a 3D printer will make it hard To produce dense ceramic parts.
This is an amazing breakthrough, because it enables the production of arbitrary polygonal ceramic parts, strong and temperature-free elasticity, no processing on the ceramic surface, no casting or embedding, this density foam ceramic can be used to promote parts, thermal protection systems , Porous burners, micro-electromechanical systems and electronic equipment have been applied.
3. MIT makes lidar chips, 3D scanning history will be completely rewritten
Most lidar systems on the market today (including those installed in autonomous vehicles) use discrete free-space optical components, including lasers, lenses, and external receivers. In these hardware combinations, the laser rotates while oscillating, which limits its scanning range and complexity. And the cost ranges from $ 1,000 to $ 70,000.
Researchers from the Massachusetts Institute of Technology are producing lidar chips on 300-mm wafers at a cost of less than $ 10. Most importantly, the non-mechanical beam steering in this device is 1,000 times faster than the mechanical lidar system currently implemented.
4. MIT Dr. 3D printing Cilllia hair will have a huge impact on intelligent design
This time MIT invented the Cilllia hair design platform, which is as sensitive as nerves, inspired by the hair of animals and humans in nature.
Cilllia hair is printed by the technology of photosensitive resin curing. By controlling the precision of 3D printing to a very fine level, these hairs are "programmable" in microstructure, so that the hair shows a pressure like nerve And sensitivity to sound, and bending changes with external stimuli.
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