Electronics Forum | Mon Nov 20 04:04:42 EST 2000 | Gyver
Sirs, Please do me a favor to answer the following questions, thanks a million! 1. Will the baking of BGA or PCB cause more oxidation before the SMT process? 2. What is the acceptable Life Time of solderability at customer site? The time that the sol
Electronics Forum | Tue Jan 30 02:29:16 EST 2001 | arul2000
Dave, To do further analysis we don't have the BGAs of the batch from which we had this issue. We don't face this issue now in the current production lots. The problem got solved while trying to find the root cause. Will keep updated if it occurs ag
Electronics Forum | Tue Sep 05 03:09:57 EDT 2000 | Gyver
Hi Dave, Thanks for your great help! Well, gold fingers are always on any kind of cards, right? Or you were confused by my poor English...sorry!:-( Now we are going to implement some kind of method to prevent the gold fingers from being contaminated
Electronics Forum | Mon Aug 07 16:23:34 EDT 2000 | Ramon I Garcia C
Hi!!! Thanks frieds for your advising, I have a MPM UP2000, I'm going to chek the humidity control, too I'll chek the profiles again, this plant it's located close to the beach about 1/2 mile from. However if you know some table to calculate t
Electronics Forum | Wed Jul 26 14:16:26 EDT 2000 | Vicki J
Thanks for the tips. I went into Tango and created a couple of report files and I'm working in Excel to combine them and change the fields around. Unfortunately, I have to add the part numbers because Tango doesn't include them. Hopefully it will im
Electronics Forum | Thu Jul 06 13:31:35 EDT 2000 | Michael Parker
Thanks Dave for the right methods that will get Patrick out of his mess. As long as one is a "Do it yurselfer". I still advocate having the supplier accept responsibility and clean the boards. After a bit of elbow grease, some cussin' and lost time I
Electronics Forum | Tue Jun 20 12:36:49 EDT 2000 | Billy
Thanks, ehab! Was there any special training involved for the programing? Also, how much maintenance and clean up time is required? And, how many different products do you run across the machine? The line we'll be using it on runs quite a variety
Electronics Forum | Mon Jun 12 11:07:17 EDT 2000 | Jason
after reading some other problems i can tell you that we have an electrovert wave and are using alcohol base flux with convection preheaters. also we are spraying it on...not foaming. we are using an omega wave also. thanks again...if you need mor
Electronics Forum | Wed May 03 20:19:31 EDT 2000 | Dave F
Sal: Sorry, sometimes (more often than I�d like to admit) I�m a bit dense. But first � Leaching. Dissolution of a metal coating into liquid solder. Leaching applies to liquid solder and is applied inaccurately to metallurgical effects, like diff
Electronics Forum | Fri Apr 14 07:53:44 EDT 2000 | Wolfgang Busko
Hi Paul, a planar surface is not what you get after reflow no matter how hard you try to get the best printing results. One thing is to flatten the surface again like the Sipad-technology but I don�t know if and how it�s applicable in your specific c
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