Electronics Forum | Wed May 09 10:40:10 EDT 2001 | davef
First, your primary side component pads should be designed according to SM-782A, "Surface Mount design & Land Pattern Standard". Next if you did that and your secondary side component pads are the same size as your primary side components, your diff
Electronics Forum | Wed Dec 20 20:24:45 EST 2023 | ronh22
Looking for some Recommendations for a Selective Solder machine. We currently have a KISS103 no pre heater. We are high mix low volume, so batch is most like best option. I have used Pilerhouse Jade MKII years ago. Wondering what other option pe
Electronics Forum | Fri Dec 08 01:05:33 EST 2006 | Setup Guy
Hi Guru, I have a project to evaluate different kind of Solder Bar and Flux to be used in wave solder(RoSH)machine, to choose in which is the best to be use. What is your best practice to evaluate the Solder Bar and Flux ? Cheers, Setup Guy
Electronics Forum | Fri Sep 05 13:49:04 EDT 2008 | gregoryyork
Tell the board shop to increase the cure temp of the resist as it is undecured especially if you have waxy/greasy resiues on the board and a brown tar like substence in the solder wave itself. If undercured then solder will not flow off the resist pr
Electronics Forum | Wed Jul 28 09:15:46 EDT 2010 | vetteboy86
I took a pad that did not have any solder flow (wetting issue with pad) and not reworkable with soldering iron, and scraped with an exacto knife. After scraping the pad soldered fine. Any suggestions?
Electronics Forum | Thu Aug 01 11:43:57 EDT 2019 | slthomas
I noticed that your solder mask registration is off some. Does it cover a significant portion of any of the pads for these parts? If so, is it possible that the surface tension of the solder at liquidus is enough to skew the part when the solder i
Electronics Forum | Fri Sep 20 11:11:12 EDT 2019 | SMTA-Ernest
Are you interested in trimming pre-solder or post solder? Roto Form Corp. which I believe is located in Tennessee. This machine incorporates a small rotary cutting head for post solder trimming. Otherwise pre-solder trimming is required suggest co
Electronics Forum | Thu Dec 19 20:39:49 EST 2013 | jimmy_wcy
Urgent!! I have a big problem... I just notice that 5000 pcs PCB had solder bead scatter around pls advise a solution to clean up the beading. thanks in advance.
Electronics Forum | Mon Dec 22 16:02:22 EST 1997 | Justin Medernach
| what is your experience about the presence of the voids in the joints ? | Are they dangerous and when ? Vincenzo, Voids in solder joints can be caused by a number of factors. Let's begin with the flux vehicle in your soldering media. If the prope
Electronics Forum | Thu May 23 07:50:04 EDT 2013 | icin
The attached images appear to be a result of a touchup process. We believe that this is not a fracture, but more of a condition where the solder touchup process did not completely flow the solder. Is this acceptable per J-STD-001 and IPC-A-610 Class
