Use of oxygen-free copper deoxidized by boron or lithium as material for hollow sections
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United States of America Patent
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Mar 21, 1989
Issued Date -
N/A
app pub date -
Sep 17, 1987
filing date -
Jul 21, 1984
priority date (Note) -
Expired
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Abstract
In a hollow section of oxygen-free copper deoxidized with boron or lithium, which is to be pressed over a bridge tool, the percentage of the deoxidizing agent, boron or lithium, in the finished product is 0.01% to 0.05%. The electrical conductivity of the finished section is at least 95% IACS.
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