Additive manufacturing in metals with a fiber array laser source and adaptive multi-beam shaping

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United States of America Patent

PATENT NO 11731213
SERIAL NO

17575370

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Abstract

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A system that uses a scalable array of individually controllable laser beams that are generated by a fiber array system to process materials into an object. The adaptive control of individual beams may include beam power, focal spot width, centroid position, scanning orientation, amplitude and frequency, of individual beams. Laser beam micro scanner modules (MSMs) are arranged into 2D arrays or matrices. During operation of the MSMs, a fiber tip that projects the laser beam is displaced along the x and y-axis in order to scan the focal spot. Each MSM within a matrix can process a corresponding cell (e.g., one square centimeter) during focal spot scanning, and the plurality of MSMs may be operated in parallel to process a plurality of corresponding cells (e.g., with a 10×10 matrix of MSM, 100 cm2) without rastering or otherwise repositioning the assembly over the build surface.

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Patent Owner(s)

Patent OwnerAddress
II-VI DELAWARE INC1105 NORTH MARKET STREET SUITE 1300 WILMINGTON DE 19801

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ataei, Abtin Oakwood, US 23 94
Vorontsov, Mikhail A Dayton, US 23 233

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