Electronics Forum | Wed May 05 11:04:56 EDT 1999 | Kevin Hussey
OK, my manager read an article on printing glue (aaargghh!)and wants to know why we aren't doing it. We currently use Fuji GLs and GDMs to dispense glue. I've never done it, but have seen it done at NEPCON and other shows. It looks OK, BUT what ar
Electronics Forum | Wed Dec 16 10:21:44 EST 1998 | HallJ
| Has any body tried reflowing QFP's on both sides of a board. | This has been done for a long time. The only thing I have seen that could start to cause problems is when you get up to the PQFP208 's that are weighing 10g or more. For this You can p
Electronics Forum | Fri Jul 11 12:37:23 EDT 2003 | Lake
We bought a VI Technology machine about 7 months ago. It's done a great job for us on military product (SMT cards - IPC A 610 Class 1 and 2). Results are only as good as the programming being done. Take a look at it (talk to them) and make a decisio
Electronics Forum | Thu May 09 11:12:00 EDT 2002 | pjc
Mydata has a software system that tracks component batch codes to production batch codes and even to serialized PCBs for military applications. This is done via bar-coding or manual data entry. The system also tracks component usage and can back-flus
Electronics Forum | Mon Oct 06 16:18:30 EDT 2003 | pjc
If the flux is already eating thru Cu it must have been some time since the boards were soldered with the OA flux. Ionic contamination testing (with OmegaMeter or IonoGraph)can be done to find contaminated boards and cleaning the boards can be done
Electronics Forum | Thu Jul 14 15:43:55 EDT 2005 | saragorcos
Yes, if not done correctly, you will have a mess on your hands and probably do more harm than good. It can be done, though and has gotten much more common and easier to do. If you are ordering cleaning chemicals, your supplier can guide you through
Electronics Forum | Wed Aug 31 12:49:04 EDT 2005 | kmeline
I have been having the same problem with the LLP. I have three stencil I have done reduction on. The first I went by the manufacturing recommendations. The last two I have done more reducing for the thermal pad. The last one was at a 20% reduction an
Electronics Forum | Fri Sep 02 10:14:18 EDT 2005 | Mity-C
Hi, We have done many 0402's with Hydra. We have done 0201's with the single head on Linescan but have yet to actually run them on Hydra. We now have a machine equipped to do this with the corresponding hydra tips. I will update as soon as I have an
Electronics Forum | Thu Sep 22 18:23:14 EDT 2005 | arnie
Hi, I am having a problem with component position on a flex circuit. It is an eight up panel. The flex circuit is mounted on to a piece of fr4 with presure sensitive adhiesive, this is done out of house. The problem is, I will locate the parts on one
Electronics Forum | Thu Oct 06 06:55:02 EDT 2005 | marcusx
We use chrome bowls to drain ours we have done it many times. They work like champ. I have never used the drain spout we just laddle it out. We are using the SN100C here, it is fanatastic. Quite a few process consideration must be made in order to ge
