Here's how one reference describes the advantage of silver:
*60/40 and 63/37 Solders*
These solders are used in the stained glass industry and also for
electronic component such as computers and communications equipment
where a minimum of heat can be used to make the connection. For the
electronics industry, silver is added to tin/lead solders to reduce
the dissolution of silver from silver alloy coatings. Silver may
also be added to improve creep resistance.
http://www.frymetals.com/products/tinleadsolder.html?product=tinlead
You may also recall the old Tektronix vacuum tube oscilloscopes built
with ceramic strips. The notches were metalized with a silver-bearing
compound and the scopes had a short length of silver bearing solder
included with each scope. (I think that might have been 4% silver, but
it's been a long time.)
Jack K8ZOA
Fred Jensen wrote:
Jack Smith wrote:
There is also a larger diameter 62/36/2, think it is 0.022" PN
64-013, on a 1.5 oz spool.
There's probably a better source for 62/36/2 solder than RS, but it's
decent stuff, unlike a lot of the things one finds there.
What's the advantage of 2% Ag over plain 63/37 Pb/Sn eutectic?
73,
Fred K6DGW
- Northern California Contest Club
- CU in the 2007 CQP Oct 6-7
- www.cqp.org
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