Electronics Forum: plating (Page 11 of 252)

Long term effect of lead free solder on plating

Electronics Forum | Mon Feb 27 06:42:37 EST 2006 | Slaine

What are the long term issues with high tin content solders on parts plated with silver over copper? Is it possible that the silver will be absorbed by the solder then over a long period of time the tin will react with the copper causing it to part

Suppplier of Immersion Tin plating solution in North America

Electronics Forum | Thu Aug 03 07:47:38 EDT 2017 | mgsmtnet1210

Hello Everyone, Does any one know supplier of Immersion Tin plating solution in North America? Thank you in advance.

Suppplier of Immersion Tin plating solution in North America

Electronics Forum | Thu Aug 03 12:51:07 EDT 2017 | mgsmtnet1210

Thank you so much.

Re: Inprocess Cu plating measurement tools/machine for Flex.

Electronics Forum | Tue Feb 01 12:00:01 EST 2000 | K. Ckak

Hi Folks, I am looking for some info. and possibly a source on measuring inprocess copper plating thickness for Flex PCB manufacturing facilities. I have tried XRF, E-Current method but the supplier told us that it wont work with Flex material - th

Using parts with Tin Bismuth plating in tin lead soldering

Electronics Forum | Mon Dec 12 14:04:33 EST 2005 | craigj

Hi All was wondering is there anything I should be aware of or look out for if using parts with SnBi (Pb free) lead plating with Sn/Pb/Ag solder paste? I was always lead to believe that mixng lead and bismuth caused problems or are the bismuth levels

Long term effect of lead free solder on plating

Electronics Forum | Mon Feb 27 09:31:10 EST 2006 | Slaine

on sections ive looked at with 7 microns of silver and 4microns of copper, the silver had been totally absorbed into the solder in most places and a large amount in some places all the copper as well, so i think the answer is that to provide long ter

Printing problem, water soluble paste with gold plating PCB..

Electronics Forum | Sun Jul 29 08:36:39 EDT 2001 | davef

You have provided very little information. Two similar possibilites come to mind: poor pad solderability protection and old boards. POOR SOLDERABILITY PROTECTION: Maybe the nickel plating under the gold is oxidized, contaminated, or otherwise very

Long term effect of lead free solder on plating

Electronics Forum | Mon Feb 27 09:09:36 EST 2006 | davef

Silver on your copper or brass part is a solderability protection. The silver diffuses into the solder and you solder to the base metal, either the copper or brass in your case. Soldering to copper is well known. The issues are soldering to brass

Printing problem, water soluble paste with gold plating PCB..

Electronics Forum | Sat Jul 28 03:05:35 EDT 2001 | Frank

Hi guy Does anyone have experiance with printing problem between solder paste water soluble 62/36/2 and gold plating PCB? I do have problem about insufficient solder after printing although I used the same printing parameter as when I print with ano

Printing problem, water soluble paste with gold plating PCB..

Electronics Forum | Tue Jul 31 13:46:17 EDT 2001 | Hussman

How fast is your print head speed? I've found that I had to decrease my print head speed to get the paste to stick to gold pads. Not exactly sure why - but the ol' instincts worked well.


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