Teeny Tweezers Could Make Micro-Machines
Researchers have created new “microtweezers” capable of manipulating objects to build tiny structures, print coatings to make advanced sensors and grab and position live stem cell spheres for research. The microtweezers might be used to assemble structures in microelectromechanical systems, or MEMS, which contain tiny moving parts. MEMS accelerometers and gyroscopes currently are being used in commercial products. A wider variety of MEMS devices, however, could be produced through a manufacturing technology that assembles components like microscopic Lego pieces moved individually into place with microtweezers, says Cagri Savran, an associate professor of mechanical engineering at Purdue Univ.
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