Electronics Forum | Thu Aug 17 16:12:48 EDT 2000 | John Maxwell
We are using a water wash paste for our boards which is leaving ionic contamination ( salts). In the presence of low humidity levels this creates the effect of a capacitor. Our product which is test instrumentation does not calibrate. I am lookin
Electronics Forum | Mon Apr 02 17:20:33 EDT 2001 | kward
Try IPC-7095 at ipc.org. It is a complete reference on Design and Assembly Process Implementation for BGAs. Glenbrook Technologies was instrumental in the developemnt of this document
Electronics Forum | Thu Jun 08 18:51:05 EDT 2000 | JAX
I haven't tried their chip shooters but I haven't found anything(SMT) that couldn't be placed by a GSM. They are very user friendly and come with good support. If you need specific answers to questions, feel free to ask.
Electronics Forum | Fri Mar 31 10:02:20 EST 2000 | William
Mike: I get mine from Universal instruments. It's recomended for use with their equipment also. You also can get the Alvania #1 and #2, Rocol, etc. Bill Dampier
Electronics Forum | Thu Apr 12 15:16:35 EDT 2001 | Rex Breunsbach
Profiles design is primarily determined by oven geometry, paste specifications and component thermal limitations. This means that no one "standard" profile exists for all production. A free profile planning utility can be quickly downloaded from
Electronics Forum | Mon Jun 18 18:28:07 EDT 2001 | davef
We are assembling BGA [Texas Instruments (TMS320C6201)] that has metal slugs in the packaging that act as heat sinks. What are your recommendations for inspecting the solder connections on such devices?
Electronics Forum | Fri Dec 10 08:32:30 EST 1999 | Larry
Ron, Kester also makes another water soluble paste (#R598) that works great on these parts! Down side is the tack life is a little shorter
Electronics Forum | Mon Oct 25 15:34:24 EDT 1999 | Dave F
Parvez: Most people use matrix tray feeders supplied by the placement machine supplier. Are you saying that Universal Instruments doesn't have a feeder for 28 mil square matrix trays? I'm suprised!!!! Dave F
Electronics Forum | Tue Jul 20 08:12:13 EDT 1999 | jacqueline coia
Could someone please tell me if it is possible that erroneous 'leakage current' readings in an instrument could be inheritated by the type, design and fabrication of the PCB itself, if so then where could I find information relating to this subject.
Electronics Forum | Tue Jun 15 08:54:51 EDT 1999 | Jacqueline Coia
Could anyone please give me any information or obtainable references concerning proper guidelines for the application of conformal coatings (double comp.type) using both methods of spraying and dipping. Information must also include best instrument f
