Electronics Forum | Mon Sep 28 21:16:14 EDT 1998 | Scott McKee
| | hello everybody(happy Monday). | sorry guys, i forger to mention this in my previous | message. | I work in a prototype lab, and we are going to start using PBGa's, so that means that I have to learn how to remove & install PB
Electronics Forum | Tue Sep 29 17:22:13 EDT 1998 | Jim Conway
Anyone have any comments on the SRT 1000 (~$55K)? | | | | hello everybody(happy Monday). | | sorry guys, i forger to mention this in my previous | | message. | | I work in a prototype lab, and we are going to start using PBGa's,
Electronics Forum | Thu Nov 15 13:46:28 EST 2001 | Terry Burnette
Underfilling PBGA's will increase the PCB level solder joint life by 4x-5x but we only recommend underfill for products going into extreme environments. Normally the 272ld and 388ld PBGA's solder joints when cycled at -40C to +125C should not see any
Electronics Forum | Thu Oct 26 17:42:29 EDT 2000 | Philip A. Reyes
Hi Mr Paul! Thanks for answering my previous questions. Hope you can still accommodate my other queries. This is about the acceptable criteria of PBGA defects after reflow soldering. 1.What is the allowable (min and max. ball misregistration / misal
Electronics Forum | Tue Jun 04 12:33:57 EDT 2002 | dason_c
We use the diamond shape on the CBGA/CCGA only, all the PBGA are using the regular round shape.
Electronics Forum | Tue Jun 25 15:30:49 EDT 2002 | Steve L
Hi everyone. I am now faced with a problem on soldering PBGA. At first, I ran the board (FR4, 7" X 10" with 12 layer) at Peak Temp: 205 C and 54 seconds above 183 C. After reflow, I found several cold solder joints and one ball without second collaps
Electronics Forum | Tue Jun 25 16:02:03 EDT 2002 | dason_c
Is the paste fresh or not or exposed to the floor for a longer time. What kind of the paste which you are using?
Electronics Forum | Tue Jul 02 12:11:13 EDT 2002 | Steve L
You guys are really helpful. Thanks again for all your suggestions.
Electronics Forum | Tue Sep 14 16:23:54 EDT 2004 | dan
What is your cure time for the mask?
Electronics Forum | Sun Oct 10 15:07:04 EDT 2004 | GIO
sorry..it s 40 mils...pitch,...but stencil aperture is square...ANY COMMENTS.. THANKS RUSS...
