Electronics Forum | Tue Apr 07 17:17:46 EDT 1998 | Steve Gregory
| I was at the Southcon show in Orlando and saw a PCB depanelization machine which was basically a rotary saw which cut through the scoring on the panel. I don't remember the name of the company though so I can't get any info on this. Does anyone k
Electronics Forum | Tue Apr 07 09:51:31 EDT 1998 | Gary Simbulan
Good Morning everyone. Per repeated suggestions I have been reading back issues of SMT and Circuits Assembly magazines. I have just read an article concerning selective wave soldering which I understand is to be used when active SMTcomponents are a
Electronics Forum | Sat Apr 04 17:11:29 EST 1998 | Steve Gregory
| Can anyone help with advice on the possibility | of "rejuvinating" aged solder paste | for SMT applications. | Thanks! Peter, I wouldn't even try...even if you had all the different chemicals that you needed to do it properly, the formula's f
Electronics Forum | Wed Mar 25 17:11:20 EST 1998 | Mcox
| We are having some problems with "drawbridging" on 0805 film capacitors. | We have already reduced the pad width from .050" to .040" based on input | from vendor. Defects appear to be random as far as location on the PWB and direction | of placem
Electronics Forum | Tue Mar 24 11:20:18 EST 1998 | Earl Moon
| Anyone have an idea how small a via must be to inhibit significant solder volume escaping into the via? Typically, micro vias are drilled and plated to about .003" diameter. To avoid significant solder "drain off," they should be drilled as shallow
Electronics Forum | Fri Mar 20 12:30:45 EST 1998 | Bill Schreiber
Smart Sonic introduces the first "No Risk" Guarantee for SMT Stencil Cleaners. No more shopping for a machine from one vendor, a chemical from another vendor and waste treatment process from a third vendor. Only to discover when the process fa
Electronics Forum | Tue Mar 17 09:06:25 EST 1998 | Justin Medernach
| | Hi all, | I would like to have some information regarding the paste in holes process.We are the Backplane manufacturing and dealing with lots of thick PCB and would like to change the processes from wave to paste in hole.Any feed back of info
Electronics Forum | Tue Mar 10 03:01:30 EST 1998 | Pete Sorenson
| Cold Welding | I'm presently doing a project on reflow profiling. | I came across this expression. Can someone please give me a definition. | Best Regards | Tom Mc Grath A cold weld is a joint between two metals produced by the application of pr
Electronics Forum | Thu Mar 05 23:33:53 EST 1998 | Ron Costa
| | Hello everyone! | | Does any know anything about bare board size variations? | | Is there a spec. or tolerance? | | I'm running small lots of boards and during the screen printing process | | I find that I cannot paste each board perfectly.I've t
Electronics Forum | Thu Mar 05 16:29:22 EST 1998 | Brian Stumm @ ETS
| Can anyone advise a good starting point for a temp profile for | on 0.05" and 1206 component boards? These boards are simple | by todays standards and do not contain any fine pitch or | other special components. | Thanks in advance... | MM Be hap
