Electronics Forum | Mon Aug 31 16:23:37 EDT 1998 | Bill Boles
We have an unusual problem here and I'm reaching for more input if anyone can help??? We are an OEM manufacturer of PCA's. After a history of consistent quality designs, we have one small memory SIMM that is causing major headaches for us and our PCB
Electronics Forum | Tue Sep 18 13:09:21 EDT 2001 | jschake
Hey, where's the 0201s? Just kidding. Off the top of my head, I do not recall seeing results of such a test. Nonetheless, I�ll consult with my peers and let you know if we come up with something that could assist you. That said, with a few more d
Electronics Forum | Mon May 23 10:53:32 EDT 2005 | HOSS
Eric, We also have a UPK 650C. Our machine was configured for N2 and using the ConTour nozzle. If you're using this nozzle without N2 you're creating tons of dross unnecessarily not to mention probably getting tons of icicling. We found out the h
Electronics Forum | Wed Aug 04 11:01:46 EDT 2010 | ooskii
I have a question concerning what plating will go into solution during the reflow process. I am soldering a small piece of ceramic (120x180 mils 7 mil thick) onto a flex circuit. I am seeing some fractures that I am sure are being caused by handlin
Electronics Forum | Mon Sep 27 15:57:21 EDT 2010 | mikesewell
I've owned two PDR Lightmaster IR rework stations (bought at 2 diff. companies) and have been extremely happy with them. Closed loop,separate control of top and bottom heater via non contact thermocouples. Control the process, not the product - set
Electronics Forum | Thu Jul 29 11:14:46 EDT 1999 | Justin Medernach
| I'm working on a prototype board that requires a 600 pin BGA. This is a metal top BGA being placed on a 11" x 17" PCB about .62" thick. | | The part is 1.77" square with a 50 mil pitch and 30 mil bump diameter. The bumps are located on the
Electronics Forum | Wed Jan 05 11:11:09 EST 2000 | Dave F
Hey Pat: My responses are: 1. Does anyone have experience with the shelf life on immersion white tin? If so, how long can the boards be stored without adversely affecting solderability. I've heard one year. No, we don�t, because we turn boards fa
Electronics Forum | Fri Jun 04 03:03:52 EDT 1999 | Scott B
| I'm encountering a new problem at my new company that I haven't encountered before in my past life - and that's Wave Soldering VIA holes. | | We've been getting a rash of defects that we call in this company, "insufficient solder in VIA hole." The
Electronics Forum | Sat Feb 19 05:07:28 EST 2000 | Dean
I'm not exactly sure of your problem...but I'll give it a shot. I assume the screw is on the solder side of the board. If you wave solder the screw the head will fill in with solder. Try a water solouble mask or peelable laytex mask over the screw
Electronics Forum | Sat Feb 19 05:07:28 EST 2000 | Dean
I'm not exactly sure of your problem...but I'll give it a shot. I assume the screw is on the solder side of the board. If you wave solder the screw the head will fill in with solder. Try a water solouble mask or peelable laytex mask over the screw
