Electronics Forum | Tue Jan 06 18:06:05 EST 2009 | aj
Hi all, I am currently trialling a solder paste which contains Bismuth. It is leadfree and reflows at 138 degrees C. I would appreciate any pros/cons? aj...
Electronics Forum | Mon Jul 02 12:01:28 EDT 2012 | patrickbruneel
This material contains acetone in 30% plus range and toluene with this solvent combination ink is not an option. You will have to get a CC that doesn’t contain acetone as solvent.
Electronics Forum | Fri Jan 18 09:35:49 EST 2013 | dyoungquist
Just because a certain profile works good for a board with a BGA does not mean it is automatically the correct profile to use for a different board that contains an LGA. Have you run a separate profile check with the board containing the LGA?
Electronics Forum | Thu Sep 21 11:30:29 EDT 2017 | emeto
Pick and Place file is a plain text file that usually contains the placement coordinates together with package type and ref designators. CAD file contains all the information about the assembly - PCB and components/packages both text and graphical re
Electronics Forum | Fri Nov 05 14:00:07 EST 1999 | John Thorup
You know, Rich - if the only problem with your present method of delivery is that the container runs dry and the pump sucks air you can add a non-invasive low level alarm quite simply and for about $100. A suitable adjustable sensitivity capacitive
Electronics Forum | Tue Sep 12 15:02:39 EDT 2006 | Fred
We are being pushed to use seaborne shipping containers as the method to receive PCB�s from fab houses in China. Time on the ocean will be several days to a few weeks depending on how slow the boat is. Does anyone have any suggestions on packaging
Electronics Forum | Sat Oct 20 14:18:49 EDT 2012 | davef
I've been in shops with a flux containment pan under the wave fluxer. While I'd rather see excess flux in a containment pan than on the floor, but I'd prefer to see flux applied precisely to eliminate the need for either using a containment pan or cl
Electronics Forum | Thu Oct 07 09:38:22 EDT 1999 | Dave F
| Is anyone aware of a web page for military spec's? I am looking for Mil-P-28809. | | Thanks, | Mike Demos | Mike: My usual source, DSCC Columbus, gave this response to a search on "Mil-P-28809" Search Mil Specs & Drawings No basic specs, St
Electronics Forum | Fri Nov 08 14:51:37 EST 2002 | davef
You should take steps to prevent paste seperation, regardless of the container type.
Electronics Forum | Thu Jan 08 16:24:15 EST 2004 | Dean
I agree 100% The strength of the joint is contained at the interface. Ever seen a fillet on a mail stamp?
