Electronics Forum | Mon Sep 08 11:30:54 EDT 2003 | clarkk
A customer recently questioned our use of the EIA curves for derating SMT devices for increased ambient temperatures. The European method (CECC) is much more severe in derating power ratings of devices as temp increases, but there are differences in
Electronics Forum | Tue Sep 09 15:22:39 EDT 2003 | gdstanton
Anyone have any experience with immersion white tin over copper plating? We are seeing opens develop under BGAs after we bake and conformal coat. And when we lift the parts the pads are 60% of the original size. Need some advice on possible causes
Electronics Forum | Fri Sep 19 14:11:39 EDT 2003 | Bryan Sheh
Dear all, Is there anyone who has the experience in conducting Push&Pull test for fine pitch components?i.e.SOIC,QFP. The customer clearly stated that,"every lead should be tested for selected components".but, you know that,the fine pitch,0.5 or
Electronics Forum | Fri Jan 02 22:57:28 EST 2004 | darburch
We are also curently considering Flexa and would like any real world info. 1: has anyone had experience with flexa with/without the Aegis software? 2: Are the graphics as easily editted as Fujicam? 3: Is it easier to set the access to menus/options t
Electronics Forum | Tue Oct 21 12:48:08 EDT 2003 | johnburgueno
Can someone enlighten me on how to modify/change the Fuji Flexa Feeder Report. We want the report to show the part description. I called Fuji America, but they are not sure on how to do this yet being that this system is still fairly new. I was able
Electronics Forum | Fri Oct 24 09:03:34 EDT 2003 | Bill
Has anybody had to replace the rear LCD monitor on a 4796 HSP chipshooter? Universal is quoting 10k (!) for a new one as they are hard to locate. Patlite (the LCD manufacturer) has discontinued the unit GSC-1000ARS-W and is unable to help. If an
Electronics Forum | Fri Oct 24 09:12:30 EDT 2003 | ADAM
Guys Does anyone out there have scientific techniques to determine whether a chemical ( safewash S and Prozone )are still usable. I 've just joined a company where they have have litres of the stuff but i can't tell whether it's still suitable or not
Electronics Forum | Mon Nov 03 11:13:44 EST 2003 | ADAM
Guys When stripping conformal coating from an entire assembly, how do I know the stripping solution won't damage anything on the PCB ? stuff like electronic sensitive devices, wiring, labelling and plastic hinges. And secondly when conformally coati
Electronics Forum | Mon Nov 03 13:01:20 EST 2003 | jdumont
Good day all, we have a Heller Reflow oven here that has been in service for about 2 1/2 years now. Aside from 2 thermocouples going bad it hasn't had any problems. My question is, how often should it be serviced for preventative maint. and does an
Electronics Forum | Wed Nov 05 08:24:16 EST 2003 | Paul O ' Connor
When reflowing a Vishay PowerPak SO-8 & using the recommended footprint from the data sheet, the component is skewing in reflow, to solve this we have to add a glue dot to both sides of the part, will making the PCB land pad 1:1 with the Solderable
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