Electronics Forum | Wed Jul 09 16:01:10 EDT 2003 | russ
Mike, the one pad that is "small" definitely appears to be over etching (It looks like it was supposed to be much larger). What is the dims of this little bugger as compared to the Gerber? i would also tend to believe that there probably is some mask
Electronics Forum | Wed Jul 09 16:09:47 EDT 2003 | russ
I would always recommend that an oven be used. I am not familiar with the ERSA rework system so I cannot comment. The key is to heat evenly with the correct ramp rate. If your rework station does this well then use it. if not I would put through t
Electronics Forum | Tue Jul 15 10:36:33 EDT 2003 | davef
Equipment, Sldr pallet * Garland Service Company (972)494-1911 fax 0972 http://www.goGSC.com * Datum Dynamics 207 Highpoint Avenue Portsmouth, RI 02871 401-683-5300 FAX 3995 http://www.datumdynamics.com * EES/Grip Technogies Weston CT 203/226
Electronics Forum | Tue Jul 15 10:44:49 EDT 2003 | MA/NY DDave
Hi, Although I grit my teeth it does sound like a normal process engineer or engineering situation. Here you are with knowledge and ways to get knowledge of best practices and No One listens. ----- Now I have a cleanliness testing joke (real sto
Electronics Forum | Fri Jul 11 00:31:31 EDT 2003 | swuicsup
Marcel, Reconfiguring your machine from 80 to 20 stations is quite easy. In the sequencer portion of your machine, it has it's own I/O box. in it, there's the MIT card, location (1). The bit switches are there to inform the controller in the in
Electronics Forum | Mon Jul 14 17:18:28 EDT 2003 | davef
good - check low cost - check getting part position info - check getting part rotation info - ooops, dang!!! Hey, 3 otta 4 aint bad, especially when you consider it's FREE!!! 3 Drawing viewers 3a Gerber viewing (viewer) View Mate (View only) -
Electronics Forum | Tue Jul 15 22:50:12 EDT 2003 | iman
We have an internal engineering study on blowhole solder joints and had helped reduce the problem to pinholes symtoms. The pinhole occurs in solder joint of a Land-Grid-Array (LGA) side-wall (external perimeter of package) fillets. Our customer is a
Electronics Forum | Fri Jul 18 10:23:06 EDT 2003 | James
The parts adhere solder very well. It does not pertain to a certain part on the board either it is all over the board. I cant really say that it is oxidization all you can tell is that on certain parts of the pad still shows like white tin and that
Electronics Forum | Thu Jul 17 16:43:30 EDT 2003 | davef
We use timers all over our shop to keep track of pot life on epoxy, paste work time, etc. The timers we use are from "Big Clock" or someone like that. They cost about $10. They keep time, count time up [run time] and count down from a set time. [
Electronics Forum | Fri Jul 18 22:52:37 EDT 2003 | MA/NY DDave
Hi, I don't know your situation, except for what I have read here on SMTnet, yet what I normally would do, is to do BOTH when it is a long term process control advantage. I would want them to do the analysis and supply me the results and then I wou
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