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Author Evans, J R G. Institution Brunel Univ, Middlesex, Engl
Source Industrial Ceramics. v 20 n 2 May 2000. p 99-102.
Abstract Powder manufacturing operations can be classified by dimensional order. In injection moulding, artefacts are assembled by volume; in paint deposition, lithography and screen printing by plane; in circuit printing and extrusion freeforming by line and in jet printing by point. This paper describes freeform microengineering methods in which components are assembled from droplets of well-dispersed suspension. These include multiple layer paint deposition, continuous and drop-on-demand jet printing and, for extreme resolution, the electrostatic deposition of 2-3 mu m droplets in cone-jet mode. These lower order operations may be slower but they open up possibilities for computer controlled microstructure such as functional gradients and for miniaturisation. (Auth abstract) [References: 11] XX