Direct write# system

Details Direct write# system Direct write# system

2006-07-20

2010-02-09

Tadesse, Yewebdar T (Department: 1792)

Coating apparatus

Projection or spray type

Applying solid particulate material

C118S621000, C118S641000, C118S300000, C118S062000, C239S296000

Reexamination Certificate

active

07658163

ABSTRACT:
Methods and apparatus for the deposition of a source material (10) are disclosed. An atomizer (12) renders a supply of source material (10) into many discrete particles. A force applicator (14) propels the particles in continuous, parallel streams of discrete particles. A collimator (16) controls the direction of flight of the particles in the stream prior to their deposition on a substrate (18). In an alternative embodiment of the invention, the viscosity of the particles may be controlled to enable complex depositions of non-conformal or three-dimensional surfaces. The invention also includes a wide variety of substrate treatments which may occur before, during or after deposition. In yet another embodiment of the invention, a virtual or cascade impactor may be employed to remove selected particles from the deposition stream.

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