Electronics Forum | Fri Dec 11 13:06:54 EST 2020 | johndep7
I haven't, that is a good idea, I was reading about the chance of that earlier but I was not sure. The best way to eliminate is to bake the board?
Electronics Forum | Fri Mar 05 02:59:59 EST 2010 | grahamcooper22
Hi, Do you have a picture on one of these leads where the solder has covered the lead ? As this is a gull wing device I wouldn't expect solder to cover it. I expect to see a toe fillet / wetting around the sides of the lead and a heel fillet. If your
Electronics Forum | Wed Dec 09 18:51:06 EST 2020 | johndep7
My company has been having issues with a lot of solder balls, solder splash, and flux balls all over a specific board. Now this is one of the only companies that require us not to clean our boards after our work is finished but this is also causing a
Electronics Forum | Wed Aug 12 00:16:43 EDT 1998 | Ron Costa
Hello everyone, I am currently running a gold plated SMT board and am experiencing tiny solder balls between the pads and the masking between the 20 mil pitch devices. I'm looking at these boards with a 60x microscope. IPC-610 say's any visible solde
Electronics Forum | Tue Apr 04 10:08:33 EDT 2000 | Russ
Neil, IPC 610 has the criteria for solder balls re. quantity and size per sq./in. These are acheivable requirements but no-clean is not necessarily a drop in process. You need to review stencil /pad /component design to ensure that "midship" solde
Electronics Forum | Wed May 09 13:37:07 EDT 2007 | jmills
Greetings Tried to search past threads without an answer. I have a resistor that just fits the between pads. Some of the resisitor were installed without the termnation sitting on the pad and are infact sitting on solder a good .020 to .025 above th
Electronics Forum | Tue Jan 29 08:21:50 EST 2019 | electronics101
Hi All, Can someone please help, I have a number of tall surface mount components that according to IPC 610 (8.2.2.3) are a fail due to the end termination not wetting at least 0.5mm + solder height. The components are very well soldered but the sol
Electronics Forum | Tue Oct 15 11:16:30 EDT 2019 | charliedci
We have been using Cree 3 color LED's (CLV6A-FKB) in many products for several years (pic attached). At the rate of 3 to 5% of the units assembled with this LED, the Red LED fails. After touch up with soldering iron it functions. This happens to the
Electronics Forum | Tue Jan 26 16:29:48 EST 2021 | charliedci
We will be exploring the exciting world of step stencils for the first time and I am looking for any advice from anyone using regularly. This direction is because we have large caps and soldered standoffs along with medium pitch LGA's and QFP's on sa
Electronics Forum | Wed Jul 22 21:17:55 EDT 2009 | umar
Hi SMTnet Team, I had facing a lot of feedback from my customer interm of the solder splash and solder ball, After I check my process the issues came from manual soldering process. Is any one having the same problem with me ?, any one have solution
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