On Fri, 29 Jul 2005 21:31:53 -0400, "BoborAnn"
wrote:

I realize this night be OT but I recently got some Indium Tin Solder and was
hoping somebody could tell me what it was used for . this is a 52/48 alloy
in the form on .020 wire. The manufactured Arconium has been bought out and
no longer makes the wire

It's a lead free replacement for solder. However, it has some severe
limitations. For example, it can't be used to solder copper because
it alloys with the copper forming a brittle mess. Some techy details
from the Indium Corp at:
http://www.indium.com/techlibrary/applicationnotes.php
One of the major applications of indium is gold soldering. The
addition of indium reduces the tendency for gold to disolve into the
joint. Some other indium applications are listed at:
http://www.indium.com/products/indiummetal.php
Its ability to bond glass, quartz, and ceramics make it useful for RF
semiconductors, hybrids, and ceramic substrate soldering.


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