Matrix-controlled printhead for an electrochemical additive manufacturing system

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United States of America Patent

PATENT NO 12049703
APP PUB NO 20230079959A1
SERIAL NO

17993277

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Printhead for a 3D manufacturing system that uses metal electrodeposition to construct parts; embodiments utilize a grid of anodes to achieve high quality parts with features that may be small and detailed. To support grids with thousands or millions of anodes, the printhead may use matrix control with row and column drivers similar to display backplanes. Unlike display backplanes where the design goal is to display images using minimal current, the printhead may be optimized for high current density for fast electrodeposition, and for anode longevity. Current density may exceed 1000 mA per cm-squared, at least an order of magnitude greater than that of display backplanes. Anode longevity may be enhanced by using relatively large anodes compared to the grid pitch of the printhead, by lengthening the conductive paths through anodes, or both. Embodiments may be constructed by adding anode and insulation layers on top of matrix-controlled switching circuits.

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Patent Owner(s)

  • FABRIC8LABS, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Edmonds, Andrew Oceanside, US 31 113
Herman, Jeffrey Solana Beach, US 61 2175
Pain, David Carlsbad, US 42 160
Pateros, Charles Carlsbad, US 25 145
Shaik, Kareemullah San Diego, US 28 57
Wirth, David San Diego, US 10 49

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