Electronics Forum: electroless nickel conductivity (Page 1 of 15)

nickel corrosion

Electronics Forum | Thu Jul 15 13:27:42 EDT 2010 | xps

Thanks... anyway I confirm, the nickel disappear (verified by cross section)and a strange substance greyish above gold, covering the tabs after test. I don't know the reason for this phenomenon. I don't believe that with proper electrolytic nickel fi

Soldering with Electroless nickel

Electronics Forum | Wed Nov 30 06:23:32 EST 2005 | wmeyers

Thanks Dave! Bill

Soldering with Electroless nickel

Electronics Forum | Tue Nov 29 21:51:37 EST 2005 | wmeyers

I have a pin and sleeve assembly that utilizes a fusible link type of solder, Bi, Cd, Pb and Sn alloy. The pin is gold plated, the sleeve is copper alloy 725. I have had sporadic success with wetting of the sleeve during the reflow process. To improv

Soldering with Electroless nickel

Electronics Forum | Tue Nov 29 22:32:51 EST 2005 | davef

The dissolution rate of nickel into tin is a lot slower than that of copper [into tin]. This results in a nickel-tin (Ni3Sn4) intermetallic that is only 0.25-0.75�m thin after a normal soldering process. The Ni-Sn intermetallic compound tends to be m

Soldering to a nickel plated battery terminal

Electronics Forum | Tue Apr 22 08:55:54 EDT 2014 | davef

I assume that you're talking about wanting to solder to metal tabs that are spot welded to the battery terminal. These tabs are not meant to be soldered. The metal was special selected for welding. In the old days, you could buy plumbing flux at th

Sulfamate Nickel Finish

Electronics Forum | Wed Apr 21 17:08:32 EDT 2004 | dave

Congratulations on your new customer. This could be a keeper. Here's what you're familiar with: Electroless Nickel - per MIL-C-26074 and ASTM-B733. Electroless nickel describes the plating of nickel deposits, which may contain phosphorus and boro

Electroless Nickel without gold immersion

Electronics Forum | Tue Aug 20 14:55:33 EDT 2002 | markhoch

Has anybody expierianced solderability issues on electroless nickel boards that do not have gold immersion? We recently tried to process boards of this type, and I may as well have been trying to reflow on plastic. Any ideas?

Does this forum covers BGA's

Electronics Forum | Tue Feb 22 09:01:50 EST 2005 | davef

It could be that you're starting with hyper corroded nickel, before you even begin work. With electroless nickel, everybody looks at the nickel, but the cause turns out to be the immersion gold is too aggressive [during fabrication]. Immersion gold

Electroless Nickel without gold immersion

Electronics Forum | Wed Aug 21 17:43:12 EDT 2002 | davef

Your flux supplier will have good suggestions.

aluminium wire bonding on Electroless Nickel + Immersion gold

Electronics Forum | Fri Aug 17 11:55:31 EDT 2001 | davef

5uin. Your nickel thickness is fine. Although if you wanted to trade costs, consider giving-up nickel to 150uin thickness, while increasing the gold thickness. Gold over electroless nickel creates brittle joints because of phosphorous in the nicke

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