SMT electronics assembly manufacturing forum.
I am experiencing a "tarnishing" issue on PWB traces that ma... - Feb 16, 2019 by SMTA-Joe SMTA
Your silver immersion layer is dissolving in the solder. I p... - Feb 16, 2019 by sarason
Each time that you cook imm surfaces, you give-up coating th... - Feb 17, 2019 by davef
the tarnishing is happening across all the traces without so... - Feb 18, 2019 by SMTA-Joe SMTA
Would increasing the thickness to compensate be a reasonable... - Feb 18, 2019 by SMTA-Joe SMTA