Electronics Forum | Fri Aug 04 22:19:19 EDT 2017 | dawson
Hi Adonys, Can you attach the photo for check?
Electronics Forum | Mon Feb 18 09:58:21 EST 2019 | SMTA-Joe
Thanks. Something to think about!
Electronics Forum | Sat Nov 12 12:11:22 EST 2022 | micropak
Thank you Stephen... I also mistaken it with Immersion Silver.
Electronics Forum | Thu Apr 27 11:36:53 EDT 2000 | PeterB
Russ, We also use 'immersion silver' and have not had any impact on our processes. In fact there are a number of benefits i.e very flat pads (as good as electroless nickel/immersion gold but much cheaper and less unfriendly to the environment), good
Electronics Forum | Thu Jan 12 17:35:34 EST 2006 | russ
We use immersion Silver for all of our lead free PCBs. They come in the "silver saver" paper you speak of and we have found that they will tarnish after 7 days in the open enviroment. Even with this tarnish we experienced no reflow problems. We are
Electronics Forum | Wed Jul 26 08:14:07 EDT 2006 | mmjm_1099
This is for all boards not just our immersion silver PCBS. We went out bought a shrink wrap and anytime they get open the stock people have to rewrap them. We had to do this in order to get a couple new customers a couple years ago and now its just a
Electronics Forum | Fri Aug 22 02:40:31 EDT 2008 | kelson
Hi All, I have question regarding the PCB. My PCB is immersion silver furnished. I found out that the board is darkening from immersion silver to yellownish colour after exposed to the environment. From my finding, i think it may be caused by the su
Electronics Forum | Fri Aug 22 10:01:52 EDT 2008 | robinj
I have seen this problem before. If the color is yellow usually it is caused by moisture left on the boards from poor drying after immersion silver. One of the ways to get rid of this is by dipping in acid cleaner solution. If the board supplier uses
Electronics Forum | Fri Sep 12 17:07:05 EDT 2008 | davef
While you're waiting for others to reply, check these recently posted threads on discolored immersion silver [IAg] here on SMTnet: * http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=56220 * http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Mes
Electronics Forum | Thu Sep 03 14:21:29 EDT 2009 | davef
Creeping corrosion occurs on bare metal. Most commonly, it is seen on boards with thin protective coatings [eg, bare copper, immersion silver, organic solderability preservative]. Look here: * enthone.com/docs/AlphaSTARCreeping.pdf * circuitree.com
