Electronics Forum | Tue Apr 13 20:57:14 EDT 2004 | Mike Konrad
Hey Dreamy, Dave is correct. If you attempt to clean your water soluble (OA) flux with water only, you will turn the no-clean flux white. No inspector or end-user will accept this. If a proper cleaning system is not available to you, then I would
Electronics Forum | Wed Apr 21 11:33:20 EDT 2004 | tigerlordgm
As one of our small batch processes, we place BGAs on PCB without using solder paste. We apply tacky flux to a predetermined height on a pallet, "dip" the BGA into the tacky flux to wet the solder balls to the set height, and then use a BGA rework st
Electronics Forum | Mon Apr 26 09:11:04 EDT 2004 | Daniel
Thanks, We currently use Metcals for our regular work and I was looking at the ERSA system for the BGA rework. From what I have seen it seems simple to use, and since it uses IR you don�t need all the attachments for different size BGA�s. You just
Electronics Forum | Fri May 14 11:17:42 EDT 2004 | Ashok Dhawan
I am having coating adhesion problem with flex circuits. The cover plate material is KAPTON or Poly imide. The conformal coating material used is humiseal 2A64. The boards are cleaned, measuring less than 4 microgram Nacl per sq in. against acceptabl
Electronics Forum | Mon May 17 16:34:25 EDT 2004 | pjc
I am an equip mfrs rep. I took a customer to my wave solder principal's factory to run their boards on a wave with no-Pb alloy, (Sn96.5 Ag3.0 Cu0.5) in air environment. The results were excellent with pot temp of 263C (505F). Their boards are low to
Electronics Forum | Tue May 25 20:51:20 EDT 2004 | Grant
Hi, Thanks for the info, and this really helps a lot. So the change over time is really just loading the different feeders? That does not seem like too much trouble. How does the X and Y correction on the HSP effect real world placement accuracy? D
Electronics Forum | Fri May 28 15:03:34 EDT 2004 | jaytorres
Wierd thing happened today with the HSP4791. All the programs and component definitions were wiped out (luckily they are all backed up on the terminal). And since the air compressor was shut down today to change the oil in the compressor, the 4791
Electronics Forum | Fri Jun 04 08:25:06 EDT 2004 | Cal
OK I am game and will put some input here...I do like the Samsung machines for the price and they are easy to program. Another company you may want to look at is Essemtec. ESSEMTEC USA Glasboro, NJ 08028-1499 Steve Pollock Tel. 1/856 218 1131 Fax 1/
Electronics Forum | Mon Jan 09 18:51:05 EST 2006 | grantp
Hi, I have used both MYDATA TP9, MY9 and more recently MY12. MYDATA machines are just not accurate, and we did everything possible, and every kind of upgrade they had. We ended up putting in Fuji XP based machines, and the differences are very notic
Electronics Forum | Tue Jun 15 15:57:00 EDT 2004 | russ
I have used one in the past and wish I had one now. Is that enough input? We had great success with this machine. The large lower preheat and board supports worked very well for large thin boards. We never experienced any problems with this machi
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