Electronics Forum | Wed Jun 13 06:10:08 EDT 2012 | bobpan
When fiducials on pcba's have poor plating and the vision cant find them repeatably there are a couple of things you can try. 1. Use the WAVI light and turn off (setting of 1) the main bright LED ring on the downward camera. After doing this in teach
Electronics Forum | Thu Jun 14 15:29:29 EDT 2012 | davef
That you can get good solder flow when hand soldering seems to indicate that the temperature of your solder pot is too low. Still, I'm uneasy that you see gold on the pads after passing the board across the solder pot. Gold is so thin with ENIG. So
Electronics Forum | Wed Jul 04 11:55:23 EDT 2012 | tony_d
We are a low to mid range manufacturer as well. I looked at several different vendors incuding; Mirtec, Viscom, Marantz, Omron, VI Tech, Orbotech and Yestech. We selected Mirtec. As a mid range manufacturer, one of my main concerns was quick and eas
Electronics Forum | Mon Aug 13 12:38:38 EDT 2012 | grahamcooper22
Maybe the area ratio between the sides of the stencil apertures and the aperture opening is too low for the spec of the paste ? So it will tend to stick in the apertures. ...only solution is thinner stencil or a paste that can release easily when are
Electronics Forum | Fri Aug 31 13:51:33 EDT 2012 | joeherz
First off - There should be no issue with washing your OA/water soluble boards with the other customer's no clean units provided that the recipe being used has been validated to effectively clean each product. If your supplier is using a batch syste
Electronics Forum | Fri Sep 07 04:25:52 EDT 2012 | grahamcooper22
As soon as the oven temp falls below 40 C and the RH rises above 5% then you need to consider that the floor clock will start. Long term storage of devices in an oven is not good for them as it reduced their solderability and can affect their perform
Electronics Forum | Thu Sep 13 15:44:02 EDT 2012 | mbnetto
Hi everbody, I'm facing some soldering problems with a Diode (SMA) during wave soldering process. During this process almost all the time one of the component pads have no solder, according to the picture dsc000604 attached. Some considerations: * T
Electronics Forum | Tue Nov 06 22:37:35 EST 2012 | davef
Ryan ... "As for bismuth-based lead-free alloys, a lower melting temperature than that of tin-lead is offered together with a cost similar to that of tin [in the area of $3/lb]. Unfortunately, bismuth in soldering alloys tends to create embrittlemen
Electronics Forum | Wed Dec 26 16:52:57 EST 2012 | davef
"Advantages of Bismuth-based Alloys for Low Temperature Pb-Free Soldering and Rework" Author: Brook Sandy, Edward Briggs and Ronald Lasky, Ph.D. Abstract: The increased function of personal electronic devices, such as mobile phones and personal mus
Electronics Forum | Tue Dec 11 12:44:34 EST 2012 | deanm
We recently acquired another machine and am faced with the same issue. We are a low volume/high mix company. I chose to run them in series so I can put the more common parts on the first machine and leave them there and put the parts that change from
