Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
We are experiencing a situation that we would really appreci...
- Jun 28, 2005
by
It appears that the reflow profile was incorrect or the past...
- Jun 28, 2005
by
RDR
Points to consider are:
* Gold plating too thick [SB LT 8 u...
- Jun 28, 2005
by
davef
I am not an expert but just for my understanding:
- solde...
- Jun 28, 2005
by
Thanks for the replies,
- solder paste used ? NC ? other ...
- Jun 28, 2005
by
Matt Kehoe
Matt,
Try a cooler profile by simply speeding up the convey...
- Jun 28, 2005
by
Robert Dervaes
Yes, .062 fr4. Like I said before, we run a lot of gold boar...
- Jun 28, 2005
by
Matt Kehoe
We got the same problem. To solve it, we have to tint the pa...
- Jun 28, 2005
by
Michael
Matt, have you run a profile on this board? Just because it...
- Jun 28, 2005
by
RDR
Matt,
Try putting a soldering iron to a pad to see if you g...
- Jun 28, 2005
by
Matt: Yes, if the gold was really thick, it could appear lik...
- Jun 28, 2005
by
davef
Michael: What's this "tint"? How do you do it? Tell us mor...
- Jun 28, 2005
by
davef
Hi Bob,
We tried flowing the pads with a soldering iron. ...
- Jun 29, 2005
by
Matt Kehoe
When discussing this with the customer he said that his vend...
- Jun 29, 2005
by
Matt Kehoe
Very interesting tread, many thanks to all.
Matt please, ...
- Jun 29, 2005
by
I guess it's it's a good thing that they didn't work out. I...
- Jun 29, 2005
by
RDR
Matt: What thickness of hard gold was applied to your custo...
- Jun 30, 2005
by
davef
Hi,
In response to reading height or gold thickness, I can...
- Jun 30, 2005
by
I did not get that info. We sent them back and the vendor ra...
- Jul 08, 2005
by
Matt Kehoe
HI
I am IMRAN i am not expart for it but i tell you one thi...
- Jul 10, 2005
by
Matt Kehoe