Electronics Forum: solder splash up on board after wave soldering (Page 1 of 2)

solder skips in chip wave on a NU/ERA wave solder

Electronics Forum | Mon May 25 21:10:28 EDT 2009 | padawanlinuxero

Hello !! I have a problem with my wave solder oven, in one of the products we made has connectors on one side of the pcb and in the other one has SMT components the process is kinda tricky on the SMT components we use an adhesive and put to the refl

Flux wave on PCBs

Electronics Forum | Tue Mar 10 04:40:01 EDT 2015 | vb7007

Hi I have been struggling with boards for high quality picky customer. I am getting flux waves (like splashed - too hard to clean) after wave, where as we are still using Kester 979 (No clean flux, but as we are getting visible marks which looks si

Poor soldering on fine pitch?

Electronics Forum | Fri Jun 09 12:13:11 EDT 2006 | Chunks

Rob and Pete are both right. "We" had the same problem, with just one manufacturer of the same style QFP (don't want to name names here). We had the same style of QFP from a different manufacture right next to the problematic one on about 3 product

Flux waves on PCBs

Electronics Forum | Tue Mar 10 04:37:32 EDT 2015 | vb7007

Hi I have been struggling with boards for high quality picky customer. I am getting flux waves (like splashed - too hard to clean) after wave, where as we are still using Kester 979 (No clean flux, but as we are getting visible marks which looks si

Flux waves on PCBs

Electronics Forum | Tue Mar 10 04:36:41 EDT 2015 | vb7007

Hi I have been struggling with boards for high quality picky customer. I am getting flux waves (like splashed - too hard to clean) after wave, where as we are still using Kester 979 (No clean flux, but as we are getting visible marks which looks si

Solder Spotting on Gold

Electronics Forum | Thu Aug 06 09:51:20 EDT 1998 | Bob Willis

This text may be of interest to any one with tin lead spots Guide to Solder Spots - A New Plague in Manufacture ? So what are solder spots ? They appear to be the next big problem in modern reflow assembly in fact in any process that involves solder

Re: White residue on PCB's

Electronics Forum | Fri Oct 13 05:21:08 EDT 2000 | Robert Steltman

Looking at the original post, it seems that the white residue is formed on the board after wave soldering and becomes evident when it has been left standing for a while. From what I understand, it seems that the solids content of the "no clean" flux

Re: Lifted Leads on Fine pitch QFP's

Electronics Forum | Mon Apr 19 14:38:01 EDT 1999 | Chrys Shea

25 PPM)! | | 1. Is there a better process to solder the leads of QFP's with lifted "minute" lifted leads still having a realiable solder joints? | | 2. Or has anybody tried modifying solder pads and use thicker solder paste deposit to compensate fo

Re: Wierd Tombstoning on Tant Caps

Electronics Forum | Tue May 05 13:38:51 EDT 1998 | Chrys

| | I've never seen this before. Today, I got this tombstoning on Tantalum Capacitors (Okay, I saw that before) | | Here's the part that seems weird to me: | | -They didn't tombstone onto a termination - they went onto their sides! That's right, bo

Re: Wierd Tombstoning on Tant Caps

Electronics Forum | Fri May 15 09:20:34 EDT 1998 | Earl Moon

| | | I've never seen this before. Today, I got this tombstoning on Tantalum Capacitors (Okay, I saw that before) | | | Here's the part that seems weird to me: | | | -They didn't tombstone onto a termination - they went onto their sides! That's rig

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