Electronics Forum | Fri Sep 06 14:03:18 EDT 2013 | horchak
If you are a CEM you are setting yourself up for failure and will be left holding the bag. Flash gold has one purpose. It is a protective coating for the base medal to keep it from oxidizing. It is very thin and will be absorbed into the solder joint
Electronics Forum | Mon Oct 15 14:36:03 EDT 2018 | davef
The methods of verifying PTH hole-fill. 1 Visual inspection 2 x-ray inspection works very well for inspecting such a connector for voiding and hole fill. View the connector off-vertical, at between 30 and 45 degrees. As always, the solder connect
Electronics Forum | Fri Oct 12 16:04:10 EDT 2018 | davidsmullins
75%?
Electronics Forum | Mon Jan 13 17:39:49 EST 2020 | avillaro2020
Hi, I need help on how to address the solder wicking on the samtec searay connector after reflow resulting to open solder joints on thick and thermal heavy PCB (4.4mm and 6.3mm). I increased my solder paste thickness to 8 mils, the connector is manua
Electronics Forum | Tue Jan 14 11:53:44 EST 2020 | avillaro2020
Hi Phil, thanks. I am successful using the same connector on small thinner boards 2-2.5kg) i cant make it work, tried all kinds of profiles with vapour phase but to no avail. Yes you read it right 4.3-6.3mm pcb thickness and 2-2.5Kg. And it is 44 lay
Electronics Forum | Wed Jan 15 11:18:51 EST 2020 | avillaro2020
Hi Evtimov, Thanks again! The solder wicking/open solder joint is not actually gross rejection, it is only a few and appeared random (difficult to trend the location of the opens), what is perflexing is that i have this 1 or 2 open solder joints sur
Electronics Forum | Fri Sep 20 01:39:21 EDT 2013 | winson16
gold, one of the stablest elements on the > periodic table oxidising. Are you sure, and why > would you want to reduce the vision fail rate on > a part that is clearly shockingly poor? Old inventory is holding a huge material cost and if i can f
Electronics Forum | Mon Oct 24 09:07:58 EDT 2016 | robl
Could you make up your own adaptor cable to connect to your programmer, then fit a small form connector like a Firewire on the edge of the PCB? It should only take up about 7x7mm of real estate as opposed to a 2.54mm 5x2 pin header 12.7 x 5.08, or a
Electronics Forum | Wed Oct 17 12:05:08 EDT 2018 | charliedci
We had a selective solder installation tech raise the connector body off of the PCB slightly with a spacer to allow for a visual inspection to verify the process/profile. A few years back we invested in a large enclosure X-ray with a manipulator arm
Electronics Forum | Wed Oct 23 13:01:11 EDT 2019 | compit
I have a single-view camera on a Topaz-X machine. When I define a connector type element - it displays messages like in attached files. If I change the type to IC - no problem. There is also no problem when "learning&quot
