Method for manufacturing aluminum plate and apparatus for manufacturing aluminum plate
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United States of America Patent
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Nov 24, 2020
Grant Date -
Jan 3, 2019
app pub date -
Sep 7, 2018
filing date -
Mar 25, 2016
priority date (Note) -
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Abstract
An object is to provide a method for manufacturing an aluminum plate having a plurality of through-holes in a thickness direction in which the locations of the through-holes are controlled and a manufacturing apparatus that is used in the method for manufacturing the aluminum plate. A method for manufacturing an aluminum plate of the present invention is a method for manufacturing an aluminum plate having a plurality of through-holes in a thickness direction, the method including a coating-forming step of forming a coating of an aluminum compound on a surface of an aluminum substrate having a thickness of 5 to 1,000 μm, a partial coating removal step of removing, out of the coating, the coating present on portions in which the through-holes need to be formed, and a through-hole-forming step of forming the through-holes in the aluminum substrate by carrying out an electrochemical melting treatment on the aluminum substrate after the partial coating removal step.
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