Electronics Forum | Tue Oct 11 19:57:04 EDT 2005 | hly
Hi folks, I had posted this earlier but I think there was some confusion on where the wrinkled joints were. The picture is the side view of a BGA soldered onto the PCB. I was able to take this picture becuase the BGA was at the edge of the board. I
Electronics Forum | Fri Oct 14 03:50:08 EDT 2005 | steve
Alot of folks are going to experience this with their poorly designed desoldering systems. I would check the temperature that is being delivered at the tip of the desolder gun. A small preheater is recommended. The other problem you will encounter is
Electronics Forum | Wed Oct 12 20:53:44 EDT 2005 | mderen
We are currently wave soldering connectors that are held in place by stainless steel screws. About 20% of these screws emerge from the process with varying quantities of solder attached to them. We have just had our solder bath checked and no impurit
Electronics Forum | Sun Oct 16 04:23:20 EDT 2005 | olas
I have a couple of questions about the SMEMA conveyor (standard 1.2); I posted the question to them but had no answer. SMEMA says: 5) Maximum gap. The maximum gap between the in-line machine track ends is 0.375� I would suppose this gap refers to th
Electronics Forum | Wed Jul 19 20:28:49 EDT 2006 | mrduckmann2000
We recently purchased a Mirtec AOI machine, it take a bit to program but overall we are pleased. The machine has a downward looking camera, we have had some issues with the machine not catching opens. When a IC has it's legs bent straight up off th
Electronics Forum | Wed Oct 26 10:40:43 EDT 2005 | patrickbruneel
Jimmy, We've been soldering tin plated components and Ni/Sn (100% Tin) boards with leaded solder in the 80's in hirel and military applications. We never experienced reliability issues with the mechanical or electrical properties of the solder joint
Electronics Forum | Tue Nov 01 10:23:22 EST 2005 | Jerry findale
I have been using a service. I search around and found that the other manufacturing services just give you cross referance parts. It cost me a lot in time and effort because the parts they cross referanced for me just turned out to be simular. We fin
Electronics Forum | Mon Oct 31 12:03:49 EST 2005 | vickt
Rob..... First off...Sorry if you have had an issue in the past, but please know that not every customer has your opinion about our legacy software. UIC's policy is not to charge for s/w "fixes" for at least the first year from initial purchase. We f
Electronics Forum | Sat Nov 05 03:33:28 EST 2005 | grantp
Hi, I might not have been clear in my previous post on this, and the problem we saw is the hot metal of the oven walls caused IR transmission of heat into the board, and thats why the point in time from the start of the profile to the point the PCB
Electronics Forum | Thu Nov 10 14:58:16 EST 2005 | Karkanov
Hi, I had a question from our ISO guy asking me how I know that the paste we use is in good condition? The problem is that he saw our operator put some old paste back in a empty jar to reuse it the next day. So his question is how do you know the
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