you mean InAu?
          jk
> And don't forget about the potential for nasty InCu intermetallics! If you
> go with indium, nickel plate everything first.
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Mike Fenner
> Sent: Wednesday, June 03, 2015 4:41 PM
> To: [log in to unmask]
> Subject: Re: [TN] Solder Alloy SnIn - Working Environmental Conditions:
> -100°C to +100°C
>
> In/Sn solidus of 118C is almost certainly too low for 100C working
> environment and there is not much benefit in ductility from this alloy at
> the other end.
> Probably Sn63 might cope in fact, but if you have large TEC mismatch, or
> multiple cycles and other it depends stuff you might wish to look at an
> In/Pb alloy. These are good for cryogenic apps so plenty in hand and you
> have choice of MPs at other end of use scale.
> No benefit is without a cost though so you may have some surface finish
> issues. To quote myself" it's never just the melting point" when it comes
> to
> alloy choice. Discuss with your specialist supplier.
>
> --
> Regards
>
> Mike Fenner
> BS&P
> M: +44 [0] 7810 526 317
> T: +44 [0] 1865 522 663
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Ricardo Moncaglieri
> Sent: Tuesday, June 02, 2015 10:18 PM
> To: [log in to unmask]
> Subject: [TN] Solder Alloy SnIn - Working Environmental Conditions: -100°C
> to +100°C
>
> Dear Colleagues,
> Have to deploy a process and its qualification in order to perform
> electrical connections which will be working under temperature variations
> in
> the range of -100°C to +100°C (space application).
> We are pointing to SnIn solder alloy.
> We are just now starting  our investigation in our first steps.
> Will be invaluable some advise as per your background so as directing me
> to
> some std and/or paper about best applicable solder alloy and its
> qualification method.
> Being grateful in advance.
> brgds, Ricardo Moncaglieri
>
>
>
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