Electronics Forum | Thu Nov 11 18:39:06 EST 1999 | John Thorup
Assuming that you are going to solder them into a board rather than socket them, yes. The thickness of the gold plating in this application will usually make up a large enough percentage of the total joint to threaten enbrittlement. Use a small sol
Electronics Forum | Mon Oct 23 06:51:36 EDT 2000 | fastech6
I have a problem with solder getting into exposed gold pads. What is the best rework procedure for removing the solder and restoring the gold condition of the pad? At the moment, we are also covering the gold pad with kapton tape prior to solder
Electronics Forum | Thu Apr 22 09:28:22 EDT 1999 | Michael N.
Well Dave what are pads on the ceramic board is composed of is Paladium Silver but it is on the bottom, then comes the copper, then it is coated with tin, then it is coated again with nickel. What makes it even harder is that are devices are Gold lea
Electronics Forum | Thu Jan 03 17:39:34 EST 2008 | flipit
Why are you using stainless steel? Corrosion resistance? Can the stainless be gold plated? I think this can occur metallurgically. Maybe nickel first then gold. Why are you removing the nickel? Nickel is somewhat magnetic. Had an application onc
Electronics Forum | Wed Sep 01 17:34:18 EDT 2010 | kevm
Having solder flow issues on gold pads. Issues started when supplier switched adhesive tape used to cover pads during varnish process. By running SEM/EDX and XPS analysis it has been determined that the new tape leaves behind a thicker organic residu
Electronics Forum | Tue Jan 05 18:07:53 EST 1999 | Dave F
| I am looking for information regarding post wave soldering of stranded wires into a circuit board using OA core wire solder. We do a final pass thru the cleaner after the hand soldering but I'm concerned about any OA flux residue that may have wic
Electronics Forum | Thu Sep 16 18:07:16 EDT 1999 | Earl Moon
| We have some SMT components with gold plated leads. They're actually LCC led packages. A good solder alloy to use would be Indium / Lead to reduce tin dissolution into the gold and avoid the resultant brittle intermetallic compound. However, a reco
Electronics Forum | Mon May 24 15:45:58 EDT 2004 | mleber
I am interested in how Military / Class 3 manufacturers are handling Gold SMT components. We are receiving an increasing number of tape and reel components that are gold plated. Per J-STD we need to tin all gold components. Are parts being removed fr
Electronics Forum | Thu Dec 20 19:41:27 EST 2001 | ianchan
I called a cuppa of indutrial friends, and they concluded that the flex-PCB in question, was being subject too high a oven-baking temperature of 100deg-C...50~60deg-C oven-baking temperature would be more appropriate for flex-PCB, due to its very pad
Electronics Forum | Tue May 21 13:17:47 EDT 2019 | SMTA-Thomas
2.54 μm [100 μin] gold thickness and all through-hole leads that will be hand soldered regardless of gold thickness” (we automatically solder wash all components which violate this requirement). In all cases we have attempted different no clean flux
