Electronics Forum | Wed Mar 27 12:37:12 EST 2002 | jax
Barry, If you are looking to set up a documented process with set parameters you might think about performing a DOE based on the parameters you can control or change. With any measurement device you should be able to log the info gathered so you ca
Electronics Forum | Mon Apr 01 13:00:27 EST 2002 | BTaylor
We had a problem with conformal coating getting under an IC and with Temp. and vibration would cause cracking of the solder bump, underfill solved the problem.
Electronics Forum | Mon Apr 01 20:33:30 EST 2002 | davef
Regarding your underfil ... * What material did you use as an underfil? * What machine and technique did you use to apply the underfil? * What type of component were you underfilling? * What was the end-use environment?
Electronics Forum | Wed Apr 03 10:50:06 EST 2002 | BTaylor
Any time Dave I can tell from your responses you have been around this block as many times as I have.Your right automotive is tough nowadays not only from the quality standpoint, now they want everything for free.
Electronics Forum | Thu Mar 28 11:37:08 EST 2002 | Bob
I have been looking at cross sectioned joints. In some instances there are areas where there are large concentrations of silver. Could anyone quantify what is too much and also explain how the intermetallics are formed. Thanks.
Electronics Forum | Wed Apr 03 19:04:06 EST 2002 | steveo11
That's pretty apparent, isn't it? SMT is smaller, faster, lighter, better... Elkectronics are smaller, faster, better... See any correlation here? How do you write 5000 words on that?
Electronics Forum | Fri Mar 29 04:23:55 EST 2002 | bayanbaru
What are the control process that can be introduce to avoid placing wrong part. We are using machine like Siemens 80S & 80F, Sanyo TCM 3000 and GSM. I am from the Quality System dept.
Electronics Forum | Thu Apr 04 21:20:44 EST 2002 | davef
Never can tell which jems you'll find in a search the fine SMTnet Archives, like http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=9426
Electronics Forum | Tue Apr 02 08:33:43 EST 2002 | davef
No experience, but here's a contact http://www.cooksonsemi.com/tech_art/pdfs/Ultimate%20FC-Integrated%20Flux_UF.pdf They may be able to give you leads, if someone here doesn't.
Electronics Forum | Tue Apr 02 10:39:56 EST 2002 | caldon
My email has listed 1 unread message. for a few weeks now it has been listed this way. I decided to purge all email in my box and still reads 1 unread message. Please reset. Cal