MATRIX-CONTROLLED PRINTHEAD FOR AN ELECTROCHEMICAL ADDITIVE MANUFACTURING SYSTEM
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Dec 17, 2024
filing date -
Dec 17, 2024
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Abstract
An electrochemical-deposition printhead assembly includes a substrate made of an insulating material and including openings that extend from a top surface to a bottom surface of the substrate. The electrochemical-deposition printhead assembly also includes deposition anodes that include conductive material that fills the openings. The electrochemical-deposition printhead assembly additionally includes a backplane that is coupled to the substrate. The backplane includes a grid control circuit, which includes an array of row traces, an array of column traces, a row driver circuit, electrically coupled to the row traces, and a column driver circuit, electrically coupled to the column traces. The backplane also includes a power distribution circuit and deposition-control circuits aligned with a deposition grid. Each one of the deposition-control circuits is electrically coupled to the power distribution circuit, an associated one of the row traces, and an associated one of the column traces.
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