Electronics Forum | Tue May 09 22:40:53 EDT 2006 | davef
Two things: * Our old friend Earl Moon published an out-standing paper on BGA rework in The SMTnet Newsletter. While it was done a while ago, you can't knock the method. Look here: http://www.smtnet.com/express/199908/bgarework/ * Daan Tersteggie'
Electronics Forum | Mon May 08 09:52:09 EDT 2006 | charles Stringer
We currently use Siplace P & P machines and in the main prefer to pick SOIC ICs from stick vibratory feeders. Our reason for this is that we can fit 3 stick fed devices into the same space as one reel fed SOIC. This reduces the amount of setup we hav
Electronics Forum | Thu May 11 02:52:34 EDT 2006 | eyryren
We are the Associator of Hi-tech industry Association, so I think we can become your supplier in China. Now we have Four series products:1 SMT stencil wiping roll/wiper special for FUJI MPM DEK MINAMI YAMAHA SANYO and so on ,non woven wiper 2,kinds
Electronics Forum | Mon May 08 22:39:18 EDT 2006 | smartasp
I have read an interesting article on pip plus, where they say "However, both PIP processing and the use of solder preforms are well-proven methods. The combination of pin-in-paste plus solder preforms delivers numerous benefits compared to a combi
Electronics Forum | Tue May 09 02:18:45 EDT 2006 | Helmi
Hi, My company is using HEPA filter to improve air quality coming out of oven/wave solder. But the cost of such filter is quite high and we need to improve the consumption. Any suggestion from fellow experts out there? a. Anybody did a cost reduc
Electronics Forum | Tue May 09 14:23:40 EDT 2006 | flipit
I would like to know what you are seeing in production. I have read the papers that state fewer tombstones with SAC305 as well as the papers that state more tombstones with SAC305. I am seeing more tombstones with SAC305. I place a lot of 0402 com
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 | 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
