Electronics Forum | Wed Mar 30 08:06:17 EST 2005 | davef
Considerations are: * If the nonwetting is component lot specific, the could be solderability issues with that lot. * If the nonwetting is is a broader based component issue, the solderability protection on the component may require a different reflo
Electronics Forum | Thu Feb 18 08:35:10 EST 1999 | Dave F
| We have problems with solder balls after reflow. Anybody have any ideas as to what causes them? | Al: Tuffty's comments are good, but point to the broader problem in trying to make recommendations on your problem ... There's just not enough info
Electronics Forum | Tue Feb 12 10:33:45 EST 2002 | davef
IPC-4101 - Specification For Base Materials For Rigid And Multilayer Boards replaces MIL-P-13949 - Plastic Sheet, Laminated, Copper-Clad (For Printed Wiring) Taking a broader look, there are many �Obsolete MIL Document To Commercial Document� replac
Electronics Forum | Sat Nov 08 07:05:12 EST 2008 | davef
Often, your solder paste supplier provides guideline on handling their solder paste. For instance: http://www.aimsolder.com/techarticles/tech%20sheet%20paste%20handling.pdf We have no relationship, nor receive benefit from the company referenced ab
Electronics Forum | Wed Aug 24 09:21:45 EDT 2011 | blnorman
We always used a MOLE on our wave ovens. From what I know of temp dots, they let you know if a temp has been exceeded. The IR gun we had also had the limitation that the further away from the target, the broader the area being analyzed. Guess it b
Electronics Forum | Tue May 16 14:13:50 EDT 2000 | Keith Luke
Due to unforeseen circumstances the May 19th OnBoard Forum with Charles Harper has been postponed until Tuesday, June 6th, from 12 to 5PM Eastern Time. We are sorry for any inconvenience this may cause, and look forward to welcoming SMTneters to our
Electronics Forum | Thu Jan 24 20:00:24 EST 2002 | davef
If solder touches gold, you should see solder, rather than gold. Since you see gold, something is wrong. * Is the solder touching the gold? If not, why not? * If the solder is touching the gold, but the gold is not soldering, there is a problem w
Electronics Forum | Mon Jan 08 13:27:15 EST 2007 | pgarsoe
Is having a specific COB forum a virtue or necessity? Is carving up this forum into various segments going to delute it in any way? We could start any forum segment that the community desires if interest is shown and would not delute this production
Electronics Forum | Tue May 15 20:26:36 EDT 2007 | davef
It's nice that you seek a broader opinion than your own. Further, if we were your customer, we would neither care about the opinions of your other customers nor the observations of a bunch of twitchy CM engineers that you recruited from the internet
Electronics Forum | Tue Sep 30 17:56:38 EDT 2008 | davef
Some of the popular handheld digital microscope seem to be aimed at home science projects. Units that are priced similar to the Bodelin Technologies ProScope are: * Celestron 44300 Handheld Digital Microscope * Orion Microxplore PC200 Digital Handhe
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