Electronics Forum: surface finish (Page 1 of 58)

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

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

trace surface finish

Electronics Forum | Fri Sep 06 17:21:24 EDT 2013 | rodcr

Why do PCB traces need a surface finish? On microstrip (top/bottom) the solder mask does not help

HASL surface finish

Electronics Forum | Fri Jun 12 21:36:04 EDT 2020 | SMTA-Josh

Has anyone had an issue with changing from a HASL surface finish to a LF HASL finish if it is still being used in a leaded process? Also we are having issues with the planarity on the fiducials with the HASL finish. Are there any suggestions or ch

trace surface finish

Electronics Forum | Mon Sep 09 21:54:01 EDT 2013 | mandysmile

Hi, rod, The exposed copper area you could do with ENIG. It is with good solderability.

Palladium Silver surface finish

Electronics Forum | Tue Aug 24 13:45:17 EDT 2004 | Indy

Hi, I am trying to assemble a LTCC component with Pd/Ag surface finish on to Sn/Pb/Ag solder and Sn/Ag/Cu solder. I am passing it through a reflow. I have observed poor wettability at the solder-pad joint. Does anyone have information regarding th

Palladium Silver surface finish

Electronics Forum | Tue Aug 24 13:47:14 EDT 2004 | Indy

Hi, I am trying to assemble a LTCC component with Pd/Ag surface finish on to Sn/Pb/Ag solder and Sn/Ag/Cu solder. I am passing it through a reflow. I have observed poor wettability at the solder-pad joint. Does anyone have information regarding th

Palladium Silver surface finish

Electronics Forum | Tue Aug 24 13:47:16 EDT 2004 | Indy

Hi, I am trying to assemble a LTCC component with Pd/Ag surface finish on to Sn/Pb/Ag solder and Sn/Ag/Cu solder. I am passing it through a reflow. I have observed poor wettability at the solder-pad joint. Does anyone have information regarding th

Palladium silver surface finish

Electronics Forum | Thu Aug 12 18:06:09 EDT 2004 | SR

May I ask what component types you are using and who the suppliers are? FYI - If the components have exceeded their shelf life, they may have oxidized too much for soldering using low activity fluxes. Thanks and best regards, SR

Palladium Silver surface finish

Electronics Forum | Tue Aug 24 14:01:12 EDT 2004 | davef

Indy: How is this situation different than the last time you posted: http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=29371

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Surface Mount Technology Association (SMTA)
Surface Mount Technology Association (SMTA)

The SMTA membership is a network of professionals who build skills, share practical experience and develop solutions in electronic assembly technologies and related business operations.

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