Electronics Forum | Wed Sep 27 23:52:28 EDT 2006 | fctassembly
Hello Steve, Yes, there are differences in the various alloys and I have described briefly below these differences: SN100- a common name for 100% tin that is used to increase the tin content in 63/37. SN100C-Name for Tin/Copper/Nickel/Germanium all
Electronics Forum | Mon Oct 20 14:17:35 EDT 2008 | robinj
The discoloration/shadow appearance is a clear sign of black pad which is from nickel corrosion in the gold bath.
Electronics Forum | Tue May 12 22:54:46 EDT 2009 | davef
Did the board fabricator forget to apply the nickel undercoat?
Electronics Forum | Tue May 12 22:57:30 EDT 2009 | davef
Polyimide bare board with tin over nickel solderability protection.
Electronics Forum | Tue Aug 25 10:56:36 EDT 2009 | ghepo
Eric, the problem is a crack of the nickel PAD, or is a PILLOW defect ? See the photos annexed.
Electronics Forum | Sat Feb 25 12:00:24 EST 2012 | davef
50 to 75 insertions * 50 uin gold => 300 insertions
Electronics Forum | Tue Feb 21 01:32:49 EST 2017 | soldertraining
Looking for advice on soldering lead free paste to a board with very heavy gold plating, In my opinion, Gold contact surfaces are often used on circuit boards with membrane switches which is a choice of technology for industrial, commercial and consu
Electronics Forum | Thu Nov 22 07:21:36 EST 2018 | mermarinc
Hey!Thanks for sharing.
Electronics Forum | Wed Feb 13 13:55:10 EST 2019 | jimpat
Out of curiosity is it actual silver or silver colored - ie. Nickel? Are you out of NJ by any chance?
Electronics Forum | Tue Apr 27 21:24:14 EDT 2021 | kwalker
No, you're correct. Nickel oxidation can be difficult to remove
