Electronics Forum | Sat Apr 25 09:13:26 EDT 1998 | Earl Moon
| Hi, | A collegue of mine, working on incoming inspection | departement, asked me if I know any good standard,preferrable | on CD-ROM with high-quality images of different defects | that can be found on bare pcb`s. | I know IPC-standards, but i
Electronics Forum | Thu May 25 04:27:16 EDT 2000 | Bernhard Mulitze
The experience I made is, that the biggest problem is not the equipment itself. The biggest problem is that you have to change your way of thinking and working if you buy a new machine system. The concept of siemens is totally different to a chipshoo
Electronics Forum | Mon Apr 13 12:11:41 EDT 1998 | Justin Medernach
| | | I would like to invite everyone to share/discuss | | information/knowledge/experience they have with | | the req's that are assumed to be valid for the | | temperature/time relation in the process of reflow | | soldering Pin In Paste, Intrusiv
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 | Mon Mar 30 16:02:44 EST 1998 | Michael Allen
| We have successfully put .016" vias in .030" pads. | There is no issue with .030" solder balls, since | the actual volume of the .002" via in pad is small | compared to the ball+solder paste volume. | We did notice random bubbles where, apparentl
Electronics Forum | Wed Mar 04 21:24:04 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 tried other screen pr
Electronics Forum | Thu Mar 05 16:25:27 EST 1998 | Brian Stumm @ ETS
| I am looking for information on reflow temps for a flex board. There is only one 6 pin IC but the board has a 3M double sided tape. | Is it possible to reflow without damaging the tape. Any suggestions? Do you have a profiler for your reflow oven?
Electronics Forum | Mon Feb 23 10:39:37 EST 1998 | Igmar
| I have been involved in SMT for only a few months so I am coming from a position of extreame ignorance. I have been asked to investigate the differences in soldering to components with Paladium coated leads vs the standard Tin_lead. I would appre
Electronics Forum | Tue Feb 17 13:47:33 EST 1998 | Chrys Shea
| I am currently evaluating some different reflow ovens | for a future purchase. The manufacturers we are | looking at are Conceptronic, BTU, and Heller. Any | feedback on these manufacturers would be welcome. | I am particularly interested in: | 1
