Electronics Forum | Wed Jun 10 09:27:36 EDT 1998 | Steve Gregory
| We're running into problems with board damage (broken traces, solder shorts) due to pliers and other bizarre tools being used for depanelization. I need some sort of fixture for this. A delrin plate with a slot cut to the correct depth and width mi
Electronics Forum | Wed Jun 10 13:39:56 EDT 1998 | Justin Medernach
| Our company wants to buy a rework station for BGA's. I would like to know what is a good BGA rework station. IR or hot air? Do we need a rework station with optical placement or can BGa's be placed manually during rework. We have seen a demo of an
Electronics Forum | Fri Jun 05 15:06:26 EDT 1998 | Dave F
| I have just been assigned to look into the ionic chromotograhy test on our PCBA but I have zero knowledge. Could anyone help to explain what is this test about? Is it | a) a destructive test? | b) What is the measurement unit of this test? | c) Wh
Electronics Forum | Thu Jun 04 11:23:25 EDT 1998 | Justin Medernach
| What methods do people use to dress pads after removing and before replacing the BGA? | We use solder wick and a soldering iron, focusing on not "dragging" the wick across vias. This is laborous and booring. Who has a better way? | Dave F Dave, Her
Electronics Forum | Sat Jun 06 07:04:27 EDT 1998 | Dave F
| | What methods do people use to dress pads after removing and before replacing the BGA? | | We use solder wick and a soldering iron, focusing on not "dragging" the wick across vias. This is laborous and booring. Who has a better way? | | Dave F | D
Electronics Forum | Tue Jun 02 16:02:13 EDT 1998 | Earl Moon
| First of all let me say that we are currently placing other 240 pin QFP'S with no problem. But none of them have the MASS of this beast. | The part is a XILINX XC5215-6HQ240C which has a large metal heat sink covering most of the bottom of the part
Electronics Forum | Fri May 29 15:17:14 EDT 1998 | Ryan
| Thanks Steve- Here is the whole story: The solder balls are appearing all over, similar to a splatter. They are relatively small. We are using H-Technologies S-HQ no-clean solder paste. The stencil is 6 mil and the boards are running in a ABW
Electronics Forum | Mon Jun 08 21:20:55 EDT 1998 | Dave F
| | | Is there someone who can tell me where I can buy rolls of leader tape for SMT component tapes. Is there a good way of bonding leader tapes, maybe a special instrument to do the job. Thanks for any help. | | Igmar: The following companies suppl
Electronics Forum | Sat Jun 13 00:25:59 EDT 1998 | Scott McKee
Last October I purchased a Mydata over a Phillips and Amistar. I've done things on my Mydata that is impossible on the other machines. I can build the top side and the bottom side of two boards at the same time (I print both sides at once). I can "
Electronics Forum | Tue May 26 15:53:39 EDT 1998 | Chrys
| We recently made the switch to no-clean and the wurface mount is turning out beautifully. However, the wave solder process continues to put up a fight; we are getting a white residue on the surface of the PCB. The residue is not localized to
