Electronics Forum | Sun Sep 22 23:23:39 EDT 2019 | sssamw
Yes, no wetting on the several leads, to verify is same location of the leads? Looks PCB/IC leads wetting issue, a process contaminated or raw material issue. A cross experiments to verify the potential cause is needed.
Electronics Forum | Fri Apr 17 22:30:19 EDT 2020 | smith88
IPC calls out 100% wetting to land. I need to understand why this is needed and what functionality I will lose if I have joints at 80%
Electronics Forum | Sun Apr 19 11:19:52 EDT 2020 | davef
A-610G 7.5.16 Components with Bottom Thermal Plane Terminations (D-Pak) says: 100% wetting to land in the end-joint contact area. Is that what you're asking about? Regards, David Fish [davef] Technical Editor & Customer Advocate
Electronics Forum | Fri Jul 17 04:18:54 EDT 2020 | sara_pcb
I am looking for test setup for accessing through hole & surface mount soldeability of PCB. Who are the suppliers of wetting balance type test setup
Electronics Forum | Thu Feb 24 20:39:05 EST 2022 | joshsvoboda
there is evidence of wetting on the heel. This is the first time I have had this type of joint using SC100C on a leaded part. Usually there is at least some wetting on the sides instead of just looking like it is pressed in and sitting on top of the
Electronics Forum | Fri May 12 08:58:04 EDT 2023 | tommy_magyar
This is a defect in all IPC classes. Solder has not wetted to the land where solder is required.
Electronics Forum | Thu Oct 26 08:59:57 EDT 2000 | ptvianc
Performing a wetting balance test would be very difficult. The flux cored wire "configuration" is just not compatible with the methodology of the wetting balance test. If the wetting balance is a must, then you might ask the vendor for the flux for
Electronics Forum | Tue Aug 17 13:32:13 EDT 1999 | Brian
| Can anyone help on the subject of de-wetting during the spray coating process. We use PC29M Parts A+B spray coating material, Humiseal tapes and masking dots, Marigold supertouch V70N gloves and Concoat CM533 liquid masking material. We also use a
Electronics Forum | Mon Dec 03 20:30:58 EST 2007 | shy
Q: I thought you said that the parts that weren't wetting in reflow were the parts with epoxy. A: Yes you're correct. Q: The question I have is do they wet in wave solder, and if they do, why does it matter what happens to them in ref
Electronics Forum | Mon Nov 30 14:29:46 EST 2020 | kylehunter
Hi all. A recent board has shown some issues with graping and non-wetting on some 0402 capacitors. I believe we have the issue sorted. A combination of a 4 mil stencil with 2 mil reduction not giving us enough paste, and too long of a soak profile.
