Patent ID: 11904547
Assignee: SEURAT TECHNOLOGIES, INC.
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  Y | IPC B

Claim 0:
1. A system for performing additive manufacturing, the system comprising:
a powder bed;
one or more light sources configured to emit a laser beam;
a light valve configured to apply a pattern to the laser beam; and
a computerized controller coupled to the one or more light sources and the light valve, the computerized controller configured to:
perform a preliminary halo test with respect to the one or more light sources;
perform a calibration step including adjusting at least one of a laser beam energy, pulse width, or area of the one or more light sources in response to a detected area of a halo formed by the preliminary halo test;
direct the laser beam having a flux greater than 20 kW/cm2 at a defined two-dimensional region of the powder bed; and
melting and fusing powder within the defined two-dimensional region.