Electronics Forum | Tue Oct 17 18:10:05 EDT 2000 | Philip A. Reyes
Yes, you need to conduct X-ray inspection for BGA-SMT assembly, but it doesn't mean 100%. If your process is well capable and robust you can do sampling. There is an available X-ray machine that right now Iam assessing, cause we are going to buy one.
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 | Thu Sep 28 11:56:14 EDT 2000 | Steve Thomas
Well the majority of it has been sitting in pails for months, since our supplier quit handling it for us. It's pretty solvent free, at least on top. Do you really do that? It just sounds like another process control headache. Doesn't the oxidation
Electronics Forum | Tue Sep 12 20:41:12 EDT 2000 | Dave F
Dunno, but maybe one of these taping contractors can give you an answer: V-Tek 214.479.9442fax1630 Surface Mount Taping 408.954.1400fax1470 Cofer 408.526.2050 KBK Electronics 613 S.Market St Lancaster, SC 29720 800.726.1887 803.286.6416 fax283.4115 A
Electronics Forum | Sun Sep 10 14:43:59 EDT 2000 | David Harper
Just from my experience in seeing a problem like this is as follows The part has not been centered over the pads when placed, and during reflow the part is dragged over the the side with the most contact. Two, the parts are being dropped into the Pc
Electronics Forum | Fri Sep 08 06:45:33 EDT 2000 | Lu�
For investigation purposes I need to find urgently this integrated circuit(#2): RS 305-800. I do not know who is the manufacturer of this zero voltage switch. The RS components said to me that this switch is discontinued now. I have an scientific pro
Electronics Forum | Sat Aug 26 12:26:57 EDT 2000 | Ramon I Garcia C
Hi friends: I have a problem in the process of one PCB, I have a lot of insuficients of solder in top of the board, this pcb already was working good, but sudenly began there isn't flow thru hole, I ran the profile and it was ok, if I inmerse i
Electronics Forum | Tue Aug 22 12:14:21 EDT 2000 | Tekguy2000
There are concretions that form inside the chamber when using a water soluble paste. They start forming and affecting print as early as 2 days. This is apparent no matter what type of print head you may be using. There has been over 30 water soluble
Electronics Forum | Mon Aug 21 20:28:15 EDT 2000 | Dave F
Hey CK: I do not know who makes the "orange cover that goes over a WinKic datalogger". Maybe someone at KIC can give you a source. Further, John makes good points. Have you talked to your power brick whatever supplier? Alternately, consider usin
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