Multi-coated anodized wire and method of making same
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United States of America Patent
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Nov 14, 2017
Grant Date -
Apr 24, 2014
app pub date -
Oct 18, 2012
filing date -
Oct 18, 2012
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Abstract
An insulated electric conductor having a copper core, a layer of aluminum formed on the copper core, and a second layer of aluminum in the form of high-purity aluminum is disclosed. The copper core may be a solid core or may be formed from a plurality of copper strands. The layer of aluminum formed over the copper core is at least partially anodized to form an aluminum oxide dielectric layer. The layer of high-purity aluminum may be formed by evaporation deposition, sputter deposition, or co-extrusion. Once the layer of high-purity aluminum is formed, it is anodized. More than two layers of aluminum may be formed over the copper core.
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