Platinum-based material thin wire and method for manufacturing the same
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United States of America Patent
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Nov 30, 2021
Grant Date -
Dec 10, 2020
app pub date -
Jan 17, 2019
filing date -
Jan 18, 2018
priority date (Note) -
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Abstract
A platinum-based material element wire is coated with gold or gold alloy, and drawing-processed with a carbon-containing die. The thin wire manufactured in this manner is covered with gold or gold alloy, and the coverage of gold or gold alloy is 40% or more on an area basis. The thin wire formed of a platinum-based material is manufactured in a state of suppressing breakage in a drawing processing step, and has favorable performance in electric properties and the like. In addition, this manufacturing process is capable of efficiently manufacturing a platinum-based material thin wire while suppressing breakage when the thin wire is manufactured by drawing processing.
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