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Small. 2010 Apr 9;6(7):792-806. doi: 10.1002/smll.200901704.

Three-dimensional fabrication at small size scales.

Author information

1
Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, 3400 N Charles St., Baltimore, MD 21218, USA.

Erratum in

  • Small. 2010 May 7;6(9). doi:10.1002/smll.200901704.

Abstract

Despite the fact that we live in a 3D world and macroscale engineering is 3D, conventional submillimeter-scale engineering is inherently 2D. New fabrication and patterning strategies are needed to enable truly 3D-engineered structures at small size scales. Here, strategies that have been developed over the past two decades that seek to enable such millimeter to nanoscale 3D fabrication and patterning are reviewed. A focus is the strategy of self-assembly, specifically in a biologically inspired, more deterministic form, known as self-folding. Self-folding methods can leverage the strengths of lithography to enable the construction of precisely patterned 3D structures and "smart" components. This self-assembly approach is compared with other 3D fabrication paradigms, and its advantages and disadvantages are discussed.

PMID:
20349446
PMCID:
PMC3078552
DOI:
10.1002/smll.200901704
[Indexed for MEDLINE]
Free PMC Article

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