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August 16th, 2004
Direct writing in three dimensions
The ability to pattern materials in three dimensions is critical for several emerging technologies, including photonics, microfluidics, microelectromechanical systems, and biomaterials. Direct-write assembly allows one to design and rapidly fabricate materials in complex three-dimensional shapes without the need for expensive tooling, dies, or lithographic masks. Here, recent advances in ink and laser writing techniques are reviewed with an emphasis on the push toward finer feature sizes.
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