Method of manufacturing a plasma torch eletrode
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United States of America Patent
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Jan 12, 1999
Grant Date -
N/A
app pub date -
Oct 28, 1996
filing date -
Oct 28, 1996
priority date (Note) -
Expired
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Abstract
A method of manufacturing an electrode to be used in a plasma torch includes the steps of providing an insert formed from an electrically-conductive, heat-resistant material, depositing a metal by physical vapor deposition to form a coating on the insert, the metal selected from the group consisting of silver, silver alloy, gold, and gold alloy, providing a holder having a surface with a recess formed therein to receive the insert, placing the insert into the recess, and securing the insert to the holder.
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