Electronics Forum | Wed Apr 27 13:17:10 EDT 2005 | Rush Fan
Is there anyone using an SRT Summit 1100 to perform BGA removal/rework with underfill? I am interested in knowing how their site-scavenging equipment works and would like to here anyones' overall comments. Anyone know if I could see this process in a
Electronics Forum | Thu Jun 01 21:14:21 EDT 2006 | roadhound
Hello, We repair mobile (cellular) phones, and most are now having their u-BGA IC's underfilled. Can anyone suggest methods for removal of the IC's ? The manufacturers are very vague when it comes to this process, but are starting to get tired of u
Electronics Forum | Wed Apr 23 21:34:24 EDT 2008 | fowlerchang
It is CSP reliability issue, which is the mobile CPU from Spreadtrum. All the tests passed and shipped to customer. They assembly them and tested but failed. After they reflow this CSP with hot air gun, some of the boards passed. We got some board
Electronics Forum | Wed Dec 24 18:31:04 EST 2008 | hegemon
If they share a common ground plane you are in for some difficulty in trying to prevent the second part from heating too much. What happens to the underfill material when it is softened by being heated beyond the 160C? Does it harden up again, or b
Electronics Forum | Tue Apr 22 03:46:19 EDT 2008 | fowlerchang
It is CSP reliability issue, which is the mobile CPU from Spreadtrum. All the tests passed and shipped to customer. They assembly them and tested but failed. After they reflow this CSP with hot air gun, some of the boards passed. We got some board
Electronics Forum | Tue Aug 16 19:03:26 EDT 2011 | rsikora
Hi, I have a faulty intermec printer CPU > board. > > I'm probably in the wrong place but if > anyone can give me some help, I would really > appreciate it. > > I manage to connect an > incorrect thermal printhead to the printer and I > think
Electronics Forum | Wed Mar 25 03:27:13 EDT 2015 | slave2anubis
Hi davef, thank you for sharing this. Yes all manufacturers recommend their products, and i dont deny that they are good but for a small shop like i have i think the prices are a bit high. What i think would be a good technique, is heating the area t
Electronics Forum | Tue Apr 09 16:31:49 EDT 2013 | alfredodsanchez
Hello everyone! I have a problem with PCB, we detect that some contamiation apear (dark spots similar to glue or underfill) we detect that this element is Policarbonate. I don't know if on PCB fabrication process some policarbonate are used. We alr
Electronics Forum | Fri Jun 22 11:02:13 EDT 2007 | gregf912
I have a CP642E machine that will not function if auto adjust is enabled in Part Descriptor. Symptom: Auto pick offset causes machine to pick part off center to the point of going to end of part after several picks. This only happens to parts that ha
Electronics Forum | Thu Jun 29 17:55:05 EDT 2017 | anilbasra
I have a SCS-4398 coating machine software ver:2.04E. This morning when the operator starter the machine instead of reaching out to its Home position the spray head started to hit the opposite end several times in small cyclic distance. Screen is di
