Method for soldering, fusing or brazing
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United States of America
Stats
-
Sep 9, 1980
Grant Date -
N/A
app pub date -
Aug 19, 1977
filing date -
Aug 19, 1977
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
.[.Article.]. .Iadd.An article .Iaddend.to be soldered, fused or brazed is placed in hot saturated vapors generated by continuously boiling .Iadd.a .Iaddend.heat transfer liquid having selected properties including .Iadd.a .Iaddend.boiling point at least equal to, and preferably above, .Iadd.the .Iaddend.temperature required for .Iadd.such .Iaddend.operation. Vapors condense on .Iadd.the .Iaddend.article and give up latent heat of vaporization to heat .Iadd.the .Iaddend.article to .Iadd.the .Iaddend.temperature for soldering, fusing or brazing. .[.Heat.]. .Iadd.The heat .Iaddend.transfer liquid may be a fluorocarbon. Apparatus is shown for soldering, fusing or brazing a single article, a batch of articles, or a continuously moving line of articles. Specifically, mass reflow soldering and mass wave soldering operations are described. .Iadd.
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