Three-dimensional layer-by-layer production process with...

Details Three-dimensional layer-by-layer production process with... Three-dimensional layer-by-layer production process with...

2011-08-02

2011-08-02

Johnson, Christina (Department: 1742)

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Using laser sintering of particulate material to build...

C264S482000, C264S109000

Reexamination Certificate

active

07988906

ABSTRACT:
A process for the production of moldings via a layer-by-layer process by selectively melting regions of one or more powder layers that contain cyclic oligomers and have a median grain diameter determined by laser diffraction of between 25 and 150 μm via input of electromagnetic energy, and permitting the layers to solidify to provide a solid mass, where selectivity is achieved by applying one or more aids amongst the group of susceptors, inhibitors, absorbers, masks, and focusing of a laser beam.

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