Electronics Forum | Mon Jul 01 13:57:58 EDT 2013 | wpierowski
Recently on one product, I found a white residue on the solder joints only that is more of a gray in color. Our lab told us it was a tin oxide with an unknown organic. This is with a lead free OA paste and it only shows after wash. Has anyone seen
Electronics Forum | Thu Sep 06 17:37:05 EDT 2007 | hakerem
Hi Joris - There is an excellent wave solder guide called "Take No Prisoners" that includes instructions for attacking and eliminating solder balls and preventing their recurrence: 1. Increase Dwell Time Solder balls are normally caused by too much f
Electronics Forum | Fri May 09 12:58:34 EDT 2008 | aisart
I would recommend you take a look at JBC if you are looking for a "good" soldering iron to work with lead free solder. Find the attached comparative graphs and before anybody asks. Yes, I am affiliated with JBC.
Electronics Forum | Mon Oct 12 14:50:48 EDT 2009 | kircchoffs
Hi, please recommend a good selective wave machine which is fully automated and can run a conventional solder and selective solder in 1. im currently looking at Ersaflow. thanks
Electronics Forum | Tue May 27 20:03:18 EDT 2008 | mobytahoe
Insane, inane and a waste of everyone's time. Buy a soldering iron at Target and have it. A cheap machine cannot do what you plan. If it could, China would already be selling them.' Get a clue.
Electronics Forum | Wed Mar 15 09:42:17 EST 2006 | slthomas
Is the lead leaving a depression in the solder that wetted the pad or is there maybe just not enough solder to fill the gap?
Electronics Forum | Sat Mar 11 08:53:44 EST 2017 | tch
My company is looking for a vacuum that can handle being used to clean up solder splashes on the bottom of our wave solder machines and around the solder pot area in our ERSA Selective Solder Machines. In the past we would use a Shopvac but these don
Electronics Forum | Fri Aug 14 08:59:51 EDT 1998 | Dave F
| | | Hi, can you please tell me how to make green coating and through-hole plating of PCB? Thanks! | | | Xingsheng | | Xingsheng: Welcome. | | Bible on PCB fabrication: Printed Circuits Handbook, Clyde Coombs, McGraw-Hill | | Web resources: htt
Electronics Forum | Thu Jun 03 22:18:36 EDT 1999 | Dave F
| I'm encountering a new problem at my new company that I haven't encountered before in my past life - and that's Wave Soldering VIA holes. | | We've been getting a rash of defects that we call in this company, "insufficient solder in VIA hole." The
Electronics Forum | Wed Aug 26 08:07:25 EDT 2009 | davef
Many solder wire suppliers put a on rolls of solder wire either a: * "Date of manufacture" stamp and then specify a shelf life in their product documentation ... OR * "Date of expiration." J-STD-005, 6.2, 6.3, and Table 4, where it states "If the st
.gif)
