Electronics Forum: silver palladium leaching (Page 1 of 13)

Palladium silver surface finish

Electronics Forum | Fri Aug 13 16:54:20 EDT 2004 | davef

If the terminations on your components are not barrier plated, you must be very careful about the amount of time you stay above liquidous. As you'd expect, longer is not better. The longer you stay at liquidous, the more of the component terminatio

Solder Paste with/without silver

Electronics Forum | Thu Oct 18 18:39:15 EDT 2001 | davef

Responding to your questions ... RELIABILITY OF 1% SILVER SOLDER PASTE: It�s as good as the next solder paste, all other things the same. Look at your back articles by Jennie Hang in SMT magazine. I want to say she wrote an article on the topic i

imm. silver

Electronics Forum | Thu Aug 29 17:51:43 EDT 2002 | nifhail

I have seen several Imm Ag pad on the assembled board which have a copper colorleaching through the silver plating This happened on the pad which was not deposited with paste during the assembly process. Don't know if it is a problem, but we only h

Immersion silver leaching.

Electronics Forum | Fri Apr 09 20:28:14 EDT 2004 | Ken

I have experience in this. My company offers Lead free SMT and Wave soldering. I have processed ImSn, ImAg, Enig, OSP in both smt and wave. Yes, silver leaching will occur. Yes, copper leaching will occur. High tin content solders disolve everyt

Palladium silver surface finish

Electronics Forum | Thu Aug 12 20:32:44 EDT 2004 | usdigital

Indy, We use Palladium silver surface finish parts for silver epoxy attached parts only. It is our understanding that this finish is not for solder, but only silver epoxy attach. I expect that is you problem. Dave

Immersion silver leaching.

Electronics Forum | Wed Apr 07 09:23:20 EDT 2004 | davef

In addition to your concerns about leaching, why aren't you concerned about: * Tin whiskers * Total absence of in use reliability information about no-lead, especially given that creep is significantly different between SnPb and no-leads. While they

Palladium silver surface finish

Electronics Forum | Sun Jul 04 19:49:05 EDT 2004 | indy

Hello Everyone, We are having some problem with Palladium-Silver surface finish. We have ceramic components with the above surface finish. When we try to assemble these on Sn/Pb solder, we are observing open joints. If we reflow the compt for more t

Immersion silver leaching.

Electronics Forum | Tue Apr 13 07:48:00 EDT 2004 | Dougie

Hi Ken, Our product is consumer, although our product is sold on it's reliability. We run a low volume high mix throughput. Any ideas on timescale for the Ag leaching? Sounds like it could be a safer bet to use Imm Sn boards with the Sn/Cu/Ni bar w

Immersion silver leaching.

Electronics Forum | Wed Apr 07 08:28:41 EDT 2004 | Dougie

Hi, We are Scottish manufacturing company considering a move to Immersion Silver finished PWB's from HASL. The driver behind it being the RoHS and WEEE legislation in Europe at present. My question is... We plan on using a Sn/Cu/Ni solder bar in o

Immersion silver leaching.

Electronics Forum | Wed Apr 07 08:30:22 EDT 2004 | Dougie

Hi, We are Scottish manufacturing company considering a move to Immersion Silver finished PWB's from HASL. The driver behind it being the RoHS and WEEE legislation in Europe at present. My question is... We plan on using a Sn/Cu/Ni solder bar in o

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