Electronics Forum | Thu May 18 19:45:32 EDT 2006 | grantp
Hi, The tin flush is a good idea, and better than the suppliers suggestion of filling with lead-free solder which is much more expensive. I guess we won't be leaving a KG of solder in the bath, but based on your experience, how much remaining sold
Electronics Forum | Tue Jan 25 13:15:17 EST 2000 | Michael Allen
Thanks for the input Mike (and others). As you guessed, via-in-pad is not my idea, and I'm resisting it as much as I can. One of our designers used this practice at some other company, says there were no problems, and wants to use it (via-in-pad) a
Electronics Forum | Thu Aug 11 17:07:47 EDT 2005 | pjc
First off, your Hollis pot cannot withstand a SAC305 no-Pb alloy. Could corrode in as little as three months of continuous use. To "de-lead" you drain the pot, clean as much manually then flush with Sn. The wave user or your solder supplier typical
Electronics Forum | Fri Nov 18 09:21:41 EST 2016 | sumote
Lazy operators empowered by management. Sounds like you may have some nepotism? Since it falls to you to clean up someone else’s mess I have an idea for you. I once worked for a company that had a large wash sink with a hand sprayer very similar to
Electronics Forum | Mon Nov 05 20:34:03 EST 2001 | davef
What�s the problem? There area many heat related failure mechanisms in bare boards. You can damage boards with heat several ways. A couple favorites [Don�t try this at home. Perform on a closed track by professional solders only.] are: * Put a
Electronics Forum | Sun Apr 25 11:30:12 EDT 1999 | Earl Moon
| Hello all, | | Our guys here still have some questions on the "optimized" profile which sees a more moderate ramp up straight to reflow temperatures versus the conventional profile which has a plateau at around 150 Celsius. If the optimized profi
Electronics Forum | Wed Nov 08 20:45:32 EST 2000 | Dave Rygwalski
We are using Austin American Technologies with Petroferm solutions and have excellent results using the same two types of solvents for cleaning stencils, adhesives and miss print boards. I average about five hundred cleaning cycles before we have the
Electronics Forum | Mon May 07 12:11:33 EDT 2007 | colormaker
I have the option of increasing the wave pump but when I do the wave is very unstable. Do you have the possibility to create a backflow at the wave to drain the oxides away from the board? Not sure how to do this I wish I have the old 1962 7' holl
Electronics Forum | Tue Jun 24 12:26:33 EDT 2008 | dyoungquist
We are purchasing an ultrasonic cleaner to clean pcb asseblies that have been produced with water soluble flux based solder. After cleaning a batch of assemblies, the water in the cleaner will need to be disposed of. My question is: Do we need to
Electronics Forum | Tue Jun 24 13:46:21 EDT 2008 | bschreiber
I know it is not what you want to hear, but first and foremost, you must consult your local regulating agencies and here is why: Solder paste contains heavy metals. We are all familiar with the problems associated with lead, but lead free solder pas
