Electronics Forum | Wed Mar 10 00:25:36 EST 2004 | kanwal324
We have the expertise of mounting and rework of all types of bga without facing any problem. If you want or you can give us one oppurtunity. K S Walia Xo Infotech Ltd. India
Electronics Forum | Tue Mar 09 19:40:47 EST 2004 | Vijay
The shorts happen at corner of the BGA. The PCB thickness is 1.6mm, It is a PC motherboard with all thru hole connectors mounted on.The preheating is done using IR heater and the temp is 120-160 for about 70-80 sec.I am using ERSA IR550A
Electronics Forum | Tue Mar 09 19:40:55 EST 2004 | Vijay
The shorts happen at corner of the BGA. The PCB thickness is 1.6mm, It is a PC motherboard with all thru hole connectors mounted on.The preheating is done using IR heater and the temp is 120-160 for about 70-80 sec.I am using ERSA IR550A
Electronics Forum | Fri Mar 12 12:59:50 EST 2004 | babe
Sorry for the late reply, I am an ersa dealer may I suggest mounting an alternative thermocouple attached to a DMM in close proximity to the BGA. See what the differences are in your readings from the DMM and the Digital temp reading on the IR550A. I
Electronics Forum | Sun Sep 02 07:55:19 EDT 2007 | lennielly
Hi every one I would like to have some inputs here,I would be very appreciated if you can give your suggestion; Currently we are working on 2 underfilled BGAs with SRT-1800 rework station(hot air type),one is mounted on a single sided PCB whereas the
Electronics Forum | Tue May 25 10:56:12 EDT 1999 | John Thorup
| | | Can anyone steer me towards a supplier of heatsinks suitable for use on a PQFP 160. Before you shoot me down in flames, I know that I am not going to get much heat away from the die because of the plastic but the application is such that the bo
Electronics Forum | Tue Feb 09 18:48:21 EST 1999 | Earl Moon
| Has anyone had any experience in using SMT to mount an organic (FR-4, Getek) rider card onto an organic (FR-4, Getek) mother board? By SMT I mean the attachment of the rider card would be through pads directly to pads on the mother board. | | Than
Electronics Forum | Mon May 24 17:17:21 EDT 1999 | JohnW
| | Can anyone steer me towards a supplier of heatsinks suitable for use on a PQFP 160. Before you shoot me down in flames, I know that I am not going to get much heat away from the die because of the plastic but the application is such that the boar
Electronics Forum | Wed May 30 11:08:39 EDT 2007 | bartlozie
If you are use to this kind of work, you can repair/replace these components with a simple hot air blower, (�100) Get a good air and temperature controlled hot air blower, and a skilled operator, mount a thermocoupler on a testboard, and learn the t
Electronics Forum | Mon Jan 16 16:19:22 EST 2006 | davef
Dunno. 4% higher standoff results in 16% higher reliability [�The Effects of Solder Joint Voiding on Plastic Ball Grid Array Reliability� Banks, Donald R., et al.; Proceedings of the Technical Program - Surface Mount International; September 10-12,
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