Electronics Forum | Thu Oct 26 12:13:16 EDT 2000 | Steve Thomas
I'd like to respond here not just to throw in my $.01 (I yield at least a penny to the more knowledgeable contributors), but to verify that my thoughts on this are reasonable... How about, you either do in-process inspection or testing, or you valid
Electronics Forum | Fri Oct 27 03:52:39 EDT 2000 | JohnW
Dave, you know the problems about working for a CEM all tose wonderful customers and managers love their graphs! Got 1 eng manager that is pushing everything to double sided reflow (even if the card ain't designed for it!) as he's insisting glue ain
Electronics Forum | Tue Oct 17 13:37:54 EDT 2000 | dpoling
We have this same model and are very disappointed with it. It has several issues that we do not like: 1. The solder feeder has never worked properly. 2. The fingers are very soft material and bend easily. 3. There is no way within the machine to adj
Electronics Forum | Tue Oct 17 01:42:34 EDT 2000 | Peter Carry
Dave, That's the funny thing, thru all that the output was pretty consistant with at least one bridge per board. * The ICs are going thru the wave in-line, according to IPC-782 figure 3-9, "Preferred IC Orientation". * Flatness of second wave is cont
Electronics Forum | Fri Oct 20 13:57:35 EDT 2000 | Greg Amero
Most LCD manuf. specify not to wave or reflow. I believe this is because of the prolonged exposure to the preheat temp. However, about three years ago, we were running about 350/wk of a 40P DIP LCD through the wave with no fallout. It did stress t
Electronics Forum | Wed Oct 11 16:05:16 EDT 2000 | NLykus
Does anyone have any experience with running a double sided/surface mount(bottom)board manufactured with CHEM 1 material? We are currently looking at cost cuts. My personal experience recently in running a D.O.E. against other materials and solder
Electronics Forum | Wed Oct 11 09:55:10 EDT 2000 | Ian Harrison
Some boards that are populated by one of our subcontractors are getting a white powdery residue forming on them. I think it is the non clean flux and process which they are using that is causing the problem. Their process is as follows. Flux is put i
Electronics Forum | Fri Oct 06 09:25:57 EDT 2000 | Kev Head
Most places I've seen don't do anything special. But then again most places only have chip components on the bottom of their boards along with some thru-hole. The best way to find out if you are going to delaminate is to talk to the board manufactu
Electronics Forum | Wed Oct 04 14:46:46 EDT 2000 | Kal. Chak.
Hi folks, What are the differences between Epoxy resin(ER)conformal coating and adhesive stacking/bonding material? My PSA/PRA (Post solder/reflow assembly)bracket assembly process got some ER adhesive encroachment on pads/solderjoints. I have chec
Electronics Forum | Fri Oct 06 08:48:11 EDT 2000 | CAL
NJEV- You can contact me off line for my opinion on the Easi line :caldon@smtnet.com. Compared to past products this one was weak. Missing parts, Screws sticking out, the thermo-sensor was right next to the button so the longer you held the button th
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