Printing of three-dimensional metal structures with a sacrificial support
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United States of America Patent
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Apr 28, 2020
Grant Date -
Dec 21, 2017
app pub date -
Jan 14, 2016
filing date -
Jan 19, 2015
priority date (Note) -
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Abstract
A method for 3D printing includes printing a first metallic material on a substrate as a support structure (48). A second metallic material, which is less anodic than the first metallic material, is printed on the substrate as a target structure (46), in contact with the support structure. The support structure is chemically removed from the target structure by applying a galvanic effect to selectively corrode the first metallic material.
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