Electronics Forum | Sun Apr 04 14:59:38 EDT 2004 | davef
When you say, "you can see the plating of each lead embedded in the broken solder joint", we do not get the sense of a well soldered connection. * We don't expect to see [or make the distinction] of the plating from the connector in the solder. We
Electronics Forum | Thu Nov 18 14:38:59 EST 2004 | EED
There is a couple of things to check. Put the machine in diagnostics and let the chain run. You should see it run the same as you would if purging it. Sometimes the 2 hall effects at the disk do not see the disk as it turns. Check the driver board
Electronics Forum | Tue May 09 14:23:40 EDT 2006 | flipit
I would like to know what you are seeing in production. I have read the papers that state fewer tombstones with SAC305 as well as the papers that state more tombstones with SAC305. I am seeing more tombstones with SAC305. I place a lot of 0402 com
Electronics Forum | Thu Nov 05 04:17:26 EST 2009 | gregoryyork
I see thanks for that
Electronics Forum | Fri Aug 03 21:08:40 EDT 2001 | Rob Fischer
Good question Dave. Kerry has participated quite a bit in this sort of forum but I have yet to hear whether he is a user or a critic. Check out the Apex exhibitors manual to see all of the vendors that are available or the archives on SMTnet. You
Electronics Forum | Thu Oct 04 13:04:52 EDT 2001 | Hussman
Without seeing your X-ray, it sounds like your BGAs are out gassing. This casues the situation you described. Try baking some BGAs and run them along with ones not baked to see.
Electronics Forum | Sun Jun 02 18:31:58 EDT 2002 | Gregory Hickory
Hi Folks, Well, what I want to see is below: China is good in imitating products. They imitate but they sacrifice the quality. When can I see a Pick-and-place machine that is MADE IN CHINA? With most manufacturers shifting to China....that dream wo
Electronics Forum | Wed May 29 14:36:15 EDT 2002 | blnorman
If you have a specification for the flux, you can retest all the parameters to see if they still comply. Check with Alpha to see if they have a recommendation. Our adhesive suppliers recommend running a lapshear to recertify, so the flux manufactur
Electronics Forum | Mon Jun 03 11:51:44 EDT 2002 | Troy
A 50KV machine will allow you to see solder bridges and balls under the BGA. It will also allow you to check placement and can "see" through the metal housing. If you want to inspect for voids, then you what to look at equipment in the 100KV range.
Electronics Forum | Wed Jun 05 18:05:04 EDT 2002 | davef
The issue is not the shoes, coats, straps, or doodangs. This issue is the voltage that the component / assembly 'sees'. * What voltages are you seeing in this work area? * What voltage will damage the components in this work area?
