Electronics Forum | Tue Sep 14 21:03:42 EDT 2010 | genesan
Hi Sir, The diameter of the aperature is 17mil and thickness 6mil and since we are using Solder Paste Inspection i believe that should have a good paste deposit on this pad.Let say if no good paste it will more create insufficient solder which X-RAY
Electronics Forum | Mon Sep 20 00:51:03 EDT 2010 | jeffr
This particular Yamaha Head I/O Board is a common failure. Yamaha supply an updated version which is less likely to fail. The cause of the problem that you see is due to the connectors on the flexing and damaging the inner layers of the board. The on
Electronics Forum | Fri Oct 15 11:03:50 EDT 2010 | hegemon
Well, we got the baking part right at least. I would think that would help to rule out the barrel cracks allowing moisture escape. Plating too thin makes sense to me. In any case, do you think barrel cracking would be observable on a bare PCB?
Electronics Forum | Tue Oct 26 10:10:03 EDT 2010 | kapa
We are currently using Mydata (12 and 15) and are now looking at Fuji CP-743 and IP-3, what quality expectation can I have? I am looking for First Pass Yield data from your production with CP-743 and IP-3 machines. Please state type of products you p
Electronics Forum | Wed Oct 27 03:26:38 EDT 2010 | muarty
Hi all, I am hoping someone can help me with a copy of a parts manual for a Universal Single Head VCD. Model 6287A. We are having no luck in getting anything from Universal themselves and have an urgent need to order some parts. Appreciate any help
Electronics Forum | Wed Nov 03 12:57:28 EDT 2010 | adrianam
I need some help with the following alarm appeared on Fuji FCP4-3 : ,,Servo Amplifier alarm on X, Y, C, Z axis". When I push the reset button, remain ,,Servo Amplifier Alarm on D, F theta axis". All the sensors and solenoid it were checked and is OK
Electronics Forum | Wed Nov 17 10:03:29 EST 2010 | scottp
Instead of a minimum thickness, we require no exposed copper or SnCu intermetallic. We've been having a lot of trouble lately with suppliers of SN100 HASL boards giving us pads with very irregular solder deposits with areas of exposed intermetallic.
Electronics Forum | Thu Nov 18 09:07:03 EST 2010 | rgduval
There are companies that specialize in this sort of thing, and can re-tin the parts in bulk/batch methods. I just came across North Shore components, who offer this service: http://www.nscomponents.com/in-house-testing/lead-tinning-services.html Y
Electronics Forum | Fri Dec 03 04:20:18 EST 2010 | grahamcooper22
Hi In Dec 2008 the IPC J STD 004 was updated to 004B, and I am wondering what the new test conditions are for testing flux Surface Insulation Resistance and Electro Migration Potential within the new spec. I am looking for the recommended test temp
Electronics Forum | Fri Dec 03 20:40:38 EST 2010 | olddog
We are a small company looking to purchase a used Quad 4c to bring some of our PCB fab in-house. In looking around at equipment we see both 4c and 4c mk2 versions of the Quad machine. Can someone please advise the difference between the two? Thank yo
