Electronics Forum | Sat Apr 05 17:34:53 EDT 2014 | davef
The middle picture shows what looks to be solder balls littered across the surface. Turn-up the heat knob!!!
Electronics Forum | Mon Apr 21 10:38:56 EDT 2014 | cyber_wolf
Talk to your paste supplier. There are many variables to your question.
Electronics Forum | Tue Apr 22 08:55:54 EDT 2014 | davef
I assume that you're talking about wanting to solder to metal tabs that are spot welded to the battery terminal. These tabs are not meant to be soldered. The metal was special selected for welding. In the old days, you could buy plumbing flux at th
Electronics Forum | Tue May 20 18:38:23 EDT 2014 | hegemon
From the picture I would say the problem lies with the PWB manufacturer. It looks as though some part of the plating process was not optimal during the PWB production run, and you have the resulting discoloration following the reflow process. What
Electronics Forum | Mon Jun 02 15:51:17 EDT 2014 | sync40
Thank you so much again davef for your new reply. This past weekend I was looking for more information regarding this subject, but, as you stated there is no information about thioruea concerns during assembly soldering operations, mainly focused in
Electronics Forum | Tue Jun 10 12:11:03 EDT 2014 | jorge_quijano
this is a Class II product. If I increase the openings... will I have random solder balls?
Electronics Forum | Tue Jun 10 12:21:10 EDT 2014 | rway
Probably not considering you have ample volume left on your land area for more solder.
Electronics Forum | Thu Jun 12 10:26:27 EDT 2014 | jax
For Vapor Phase: approximately .04 bar or 30 torr for around 10 seconds.
Electronics Forum | Thu Oct 30 23:46:20 EDT 2014 | beilimanu
What's the software you are using? Modify it manually. It should not be difficult.
Electronics Forum | Sat Nov 15 05:08:45 EST 2014 | grimus
Same side (component side) if You give me e-mail I can provide You more pictures. I'm making one stroke with same speed (I'm using closed proflow head and DEK printer). 5 mils thickness stencil. Products requirement - 3 IPC Class (75 % and more fill