Electronics Forum | Sun Dec 13 08:49:15 EST 1998 | Ron Costa
Has anyone had any experience with using this alternative plating process? Some board houses are pushing toward this plating. Is there any long term data on this process? Any problems experienced with smt and thru-hole? I've heard tin whiskers to be
Electronics Forum | Mon Dec 14 13:16:11 EST 1998 | MMurphy
| DO you know of an Industry Standard that describes solder paste geometries requirements? | Check out www.alphastencil.com and select "Stencil Design Guidelines". This will at least give you an idea of how to deposit optimum paste volumes based on
Electronics Forum | Wed Dec 16 10:21:44 EST 1998 | HallJ
| Has any body tried reflowing QFP's on both sides of a board. | This has been done for a long time. The only thing I have seen that could start to cause problems is when you get up to the PQFP208 's that are weighing 10g or more. For this You can p
Electronics Forum | Thu Dec 10 13:42:03 EST 1998 | Steve Stevens
I am interested in any information regarding possible failure mechanisms associated with active die (GaAs or Silicon Semiconductors) as a result of being exposed to RMA type fluxes and/or typical SMT industry cleaners. I know that corrosion is one s
Electronics Forum | Tue Dec 15 22:23:52 EST 1998 | Erhan Kaya
If that's what you mean, here's what we call them: ROBBER PADS... Pretty close to the "thief" I guess. Those come with the design and if the wave soldering direction is not known at the time of design and/or there's no real estate limitation, the rob
Electronics Forum | Wed Dec 09 13:25:16 EST 1998 | Martin J. Ibarra
Hi, I know for sure that by controlling temp. and humidity conditions in SMT assy lines room, one gets advantage in screen printing, adhesive dispensing, and pick&place machines mainteinance. Does any one have any advice on why else is a clean room
Electronics Forum | Wed Dec 09 07:48:23 EST 1998 | EFData
Does anybody out there have any special insights into utilizing no clean paste in high frequency RF applications? I would imagine there may be some issues with solder balls that would affect functional test (Earl, do you have something for me here?)
Electronics Forum | Tue Dec 08 15:48:11 EST 1998 | John
| I HAVE SEEN ADVERTISED AN AIR NOZZEL THAT USES COMPESSED | AIR TO SPEW OUT EITHER HOT OR COLD AIR. I HAVE NEED OF | SUCH A DEVICE. I DO NOT HAVE THE MANFR. OF THESE. | ANY SUGGESTIONS ?? | Try Exair corporation. 1-800-exair is the phone #. I thin
Electronics Forum | Sun Dec 06 08:34:15 EST 1998 | Process Engineer
| Does anyone do an incoming inspection of Fuji CP Type nozzles? Or, do you have a nozzle qualification program? | I recently conducted an extensive qualification process of Fuji type nozzles (Cp), which included incoming inspection and testing. I
Electronics Forum | Sat Jan 09 21:25:12 EST 1999 | Jim Bussey
| Does any body knows of a used Universal Wire Wrap machine in a good operational condition? | Please contact with me or with Roni Haviv (972-7-998-6673) | Thanks. | We have a Contact Systems pointer wire wrap machine, it hasn't been used for 3 or 4
