> I always understood that you had to use a paste with 2% silver if you
>  were using components
> with terminations containing Palladium. The 2% silver is also supposed to
>  five you a shinier
> finished solder joint.
>
> Steve.
>
> Larry Koens wrote:
>
> > Got a question for everyone,
> >
> > I just switched companies and the new company that I'm with now uses a
> > 62/36/2 solder paste. I've always used the 63/37 formula. The guys who
> > decided to use the 2% silver are no longer with the company. My
>  question
> > to you is, why would they want the 2% silver in the paste? They know
> > something I don't?!
> >

The silver should give the alloy higher strength, better creep resistance
and a higher melting point. Perhaps your application benefits from one of
these differences?

Regards,



Eric Christison

---------------------------------------------------------------------------------
Technet Mail List provided as a free service by IPC using LISTSERV 1.8d
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt delivery of Technet send the following message: SET Technet NOMAIL
Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
---------------------------------------------------------------------------------