Electronics Forum | Tue Jul 29 12:33:57 EDT 2008 | grics
Hey bud, Try to get in touch with some people on this forum. These guys design and build circuits for fun and profit. All the best to you! http://www.dutchforce.com/~eforum/index.php
Electronics Forum | Mon Aug 04 08:06:39 EDT 2008 | guyramsey
Did you consider taking one of those talking picture frames apart and using the parts in your box?
Electronics Forum | Wed Aug 13 14:06:49 EDT 2008 | jax
some examples of overhead: Rent Electricity Some Indirect Labor ..... anything required keep the door open (not customer related)
Electronics Forum | Fri Aug 08 14:39:26 EDT 2008 | dmiller
I would have to second the opinion on the water based flux. If you don't want to deal with the solder balls, switch to an alcohol based flux. Unless you have a board that takes a while (water based tends to stay active longer), alcohol is easier to
Electronics Forum | Wed Aug 20 12:04:06 EDT 2008 | grics
I would like to thank everyone for their help on this one...We havent had the board back at S E L E C TIVE on this yet, But I will keep all updated (if there is the care for it... Thanks again
Electronics Forum | Thu Jul 31 07:53:34 EDT 2008 | ck_the_flip
Jon, Does Axarel 2200 leave minimal residue or clumps on the wiper paper area? Also, what is your wipe frequency on a typical board?
Electronics Forum | Sat Aug 02 15:00:12 EDT 2008 | miroyu
I built aluminum cage add ground wire to it but my problem is not gone!Also , video is not in focus.How can I make it right.Does this shows that quadalign board is foulty? Any comments PLS? Thank you Miro
Electronics Forum | Mon Aug 11 10:37:19 EDT 2008 | realchunks
I assume you mean the balls of the BGA, not pads (laugh it up guys - I said balls). If so, you may have a no-lead BGA or a high temp BGA.
Electronics Forum | Mon Aug 11 11:00:40 EDT 2008 | eyalg
RoHS BGA. No lead in it. > RoHS BGA. No lead in it. ok. this is not the case .It was sn/pb type...
Electronics Forum | Mon Aug 11 13:55:09 EDT 2008 | guhansub1
Your defect may be possibly due to black pads, although it is rare on component side. Is your BGA pad finish ENIG? If so, inspection using a SEM can give clues on the presence of black pads
.gif)
winsouce.jpg)