Electronics Forum | Wed Jun 24 23:52:41 EDT 1998 | Phillip Hunter
| Has anyone seen a problem with solder under chip components, in-between the glue and the component or in-between the mask and the component? We seen both. | What could be causing this? This has only been detected on one of our products. All the re
Electronics Forum | Wed Jul 27 03:50:51 EDT 2005 | aj
Crishan, I am not familiar with the machine you mentioned. Do you use selective solder pallets through a wave process or is the machine a selective soldering machine (ie. where the board is moved to the solder fountain) No matter what the process
Electronics Forum | Fri Jul 10 14:40:12 EDT 1998 | Bob Willis
Yes this can be a killer. Its caused by glues with a high water content or fast curing of glues. When you get solder going through the glue it is litterally sucked in during solder wave contact. If you have never seen it you would never believe it bu
Electronics Forum | Mon Aug 09 10:31:10 EDT 1999 | Boca
| Earl, why don't you post this ALSO in the "Mart". Is there a reason? | | | | | | | Folks, | | | | | | | | Probably not the forum, but forgive me as I am but a dog as described by Justin and admitted by me. However, I am looking for a previously
Electronics Forum | Tue Mar 28 11:17:19 EST 2006 | smartasp
Thanks for the input Guys Yeah the not so knowledgable customer does not like to residues for cosmetic resons. The flux is for lead free process, of the no clean and water soluable type. We have explained to him that technically the residues do not
Electronics Forum | Mon Aug 09 14:58:33 EDT 1999 | Earl Moon
| | Earl, why don't you post this ALSO in the "Mart". Is there a reason? | | | | | | | | | | | Folks, | | | | | | | | | | Probably not the forum, but forgive me as I am but a dog as described by Justin and admitted by me. However, I am looking fo
Electronics Forum | Tue Jan 25 14:25:47 EST 2000 | Mark Miller
Has any one experienced hand soldering through hole components to white tin plated PCB's using no-clean wire solder? Our facility is presently evaluating white tin vs Sn/Pb coatings. Our only difficulty at this time has been hand soldering of wires
Electronics Forum | Mon Dec 13 00:48:33 EST 1999 | armin
Hi All I have a 0.7 mm diameter hole for vias, what�s the minimum annular ring for this hole diameter? What�s the term unsupported and supported holes refer to in IPC-2221 9.1.2 Annular Ring Requirements? I have a proto-type PCB (designed by our R&
Electronics Forum | Wed May 03 11:52:09 EDT 2000 | SONO-TEK CORPORATION
John - CK can probably help you further once you answer those questions, but for now what's your top side temp and how are you applying flux? Two of the primary causes for bridging are conveyor instability (vibration) and turbulance in the solder wa
Electronics Forum | Thu Aug 11 13:09:11 EDT 2005 | bman
In addition to Pete's fine tips, here's one we have successfully used in similar situations as long as you're using OA flux. Get some kind of pump action spray bottle (like hair spray comes in) and fill is with some of your wave flux. Use the bottl
