Electronics Forum | Tue May 09 18:30:35 EDT 2006 | muse95
I can understand the theory behind fewer tombstones with SAC. If people were having tombstone problems with SnPb eutectic solder, often switching to Sn62Pb36Ag2 would improve it, because with the addition of some silver, a small plastic zone in the
Electronics Forum | Wed May 10 08:41:19 EDT 2006 | russ
Yes, we added some soak, we also use a 5 zone oven. We utilize a .020" x .020" pad with center to center at .042". We only get tombstones on misplacement or bad paste release now. Registration of component is key with pbfree, the parts just don't s
Electronics Forum | Sat Jun 03 03:35:16 EDT 2006 | mika
Yes we do have a problem with this. We have by now investigate numerous lead/RoHS PCBA:s The RoHS boards are by far the most difficult one's to probe and test. Our people at the "test area" including Flying Probe and ICT they spend a lot of time to t
Electronics Forum | Tue May 09 16:36:19 EDT 2006 | markb
Hi, We design electronic equipment that ends up in a fairly dirty environment (i.e. lots of dust bunnies, dirt, debris, etc...), and I was wondering if there were any detrimental affects of having no clean residue on our boards. I don't think it wo
Electronics Forum | Thu May 11 17:28:40 EDT 2006 | bradlanger
Steve, We have had the same problem at my company and unfortunately I do not have any good news for you. We are using a pizza slicer type depanalizer from FKN and if the MLCC caps are layed out too close to the edge they still break. We had to add th
Electronics Forum | Thu May 11 01:14:29 EDT 2006 | pavel_murtishev
Good morning, There are two ways to solve your problem: 1. Use already written software. For instance, Valor BOM manager has BOM comparison function together with powerful postprocessor and many others. In my opinion, Valor BOM manager is the best t
Electronics Forum | Thu May 11 18:14:17 EDT 2006 | ratsalad
Check out RSI's BOM Explorer. http://www.rsi-inc.com/articles/brochures/bom_explorer.pdf I can't remember if it does BOM to BOM comparison, though. I wrote my own BOM 2 BOM comparison tool for my company. If your BOMs are in a consistent form
Electronics Forum | Fri May 12 13:56:37 EDT 2006 | timnop
Steve, Thank you very much for your reply. What I really need to know now is how you discovered these issues. Did you run this product in your wave solder machine, and for how long? Are you now using SN100c instead? Please mention the other issues if
Electronics Forum | Mon May 15 11:16:10 EDT 2006 | timnop
In an attempt to re-establish this thread as a serious request for professional experience and opinions on the Kester K100LD product, let me ask again!..... Have any of you professionals out there tried this product and if so, what was your experienc
Electronics Forum | Fri May 12 12:03:07 EDT 2006 | rlackey
Great, just what we need - Psuedo science. To paraphrase: We tried 99.5Sn/0.5Cu & it didn't work so we couldn't be bothered to try any other lead free alloy. So give us an exemption else we'll bury you up to the neck in the stuff. I have no probl
