Method of manufacturing a metal column
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United States of America Patent
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Sep 27, 2022
Grant Date -
Dec 2, 2021
app pub date -
Jul 6, 2020
filing date -
May 29, 2020
priority date (Note) -
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Abstract
Embodiments of the present disclosure provide a method of manufacturing a metal column using 3D printing technology. The method of manufacturing a metal column includes steps of: creasing a 3D-CAD design for printing the metal column; printing the metal column; pretreating the inner surface of a channel inside the metal column at low temperature; and coating the inner surface of the channel with a stationary phase so that the metal column is capable of separating a gas mixture into components.
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