NANO-TWINNED COPPER FOIL, ELECTRONIC ELEMENT AND METHODS FOR MANUFACTURING THE SAME
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United States of America Patent
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Issued Date -
Jul 11, 2024
app pub date -
Aug 28, 2023
filing date -
Jan 5, 2023
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Abstract
A nano-twinned copper foil is provided, which comprises: plural twinned grains, wherein at least part of the plural twinned grains are formed by stacking plural nano-twins along a [111] crystal axis. The nano-twinned copper foil has a first surface and a second surface opposite to the first surface, and 80% or more of areas of the first surface and the second surface respectively exposes (111) planes of the nano-twins. In addition, the present invention further provides a method for manufacturing the aforesaid nano-twinned copper foil, an electronic element comprising the same, and a method for manufacturing the electronic element.
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