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 > > > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please contact helpdesk at x2960 or [log in to unmask] > ______________________________________________________________________ > > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please contact helpdesk at x2960 or [log in to unmask] > ______________________________________________________________________ > ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________