Electronics Forum | Fri Jun 25 01:11:31 EDT 1999 | Vinesh Gandhi
| | | Recently, there has been an upsurge in the Pin Hole/Blow Hole problem in our wave soldering process. We are baking the PCBs for 2 Hrs. at 125 degree C. The Wave Soldering profile seems to be O.K. Still the problem is persistent. Can somebody
Electronics Forum | Sat Apr 25 12:58:13 EDT 1998 | Earl Moon
| Is there an industry standard in calculating SMT process | PPM level for benchmarking purpose ? What are the industry | benchmark ppm number for some of the defects like solder | short for 20-mil QFP, tomstone problem for 0603 components etc....
Electronics Forum | Tue Aug 23 16:48:29 EDT 2011 | jax
assuming Sn05Pb93.5Ag1.5 Without knowing what you are trying to solder, PTH or SMT, the time might not be that far off. Does that time include stripping, cleaning, plating the leads prior to soldering onto the board?... pre-tinning the board as well
Career Center | Delton, Michigan USA | Engineering,Maintenance,Production,Technical Support
IPC Master instructor with a number of years experience in Engineering as well as Machine technician.
Electronics Forum | Mon Mar 19 21:55:23 EDT 2018 | stephenj37824
You've got (to my mind) 3 wholly different > classes of machine there. > > Essemtec is upper > entry level maker that is increasingly > differentiating itself from the competing > machines in its class by focusing on 3d > assembly/dispensing op
Electronics Forum | Fri Nov 05 18:36:11 EST 1999 | John
I think I'll have to get a copy of those specs. This vendor claims that the 40 uG/sq in is IPC class III and is very, very, clean. I would like to show him (or at least upper management)that what he's says just isn't so. Unfortunately, I don't think
Electronics Forum | Fri Jul 23 13:34:07 EDT 1999 | Scott McKee
| There is a practise within the industry of an Inspector inspecting a board, and that same Inspector performing touch-up. My opinion is that the Inspection and Touch-up operations should be separate functions whereby the Inspector is not performing
Electronics Forum | Fri Jul 23 14:17:55 EDT 1999 | Steve Schrader
| | There is a practise within the industry of an Inspector inspecting a board, and that same Inspector performing touch-up. My opinion is that the Inspection and Touch-up operations should be separate functions whereby the Inspector is not performin
Career Center | san diego,, California USA | Engineering,Production,Quality Control,Technical Support
SMT Process Engineer, ISO-9001, IPC-600/610/620/7711/7721, J-STD-001, Thermal profiling, Lean manufacturing.
Electronics Forum | Thu Feb 24 21:44:27 EST 2000 | Dave F
Horace: Area you in the rainy or the dry portion of the South? ;-) Now, excuse me from mincing words with you ;-) �, but buying a manufacturing software package is a serious (expensive) endeavor that will leave no part of your company unscathed. I�d
