Electronics Forum | Thu Jul 07 14:58:18 EDT 2011 | vickt
Prasad, It is typical when experimenting with new materials to have to adjust the airpressure on the syringe and the stroke of the PDP piston (screw adjust on top of the PDP pump). You can add mutiple cycles in the comp Db to make larger dots with th
Electronics Forum | Fri Jul 22 10:03:15 EDT 2011 | scottp
Rain-X is a "hydrophobic silicone polymer" according to Wikipedia. Silicone is not something I want around a soldering operation without a chemist I trust telling me it's OK. Having it work a few times without any obvious problems wouldn't be evide
Electronics Forum | Fri Jul 22 13:17:49 EDT 2011 | ehughes
I would be careful with trying Rain-X. Rain-X is a silanol treatment that is not durable. That is why you need to reapply it on a windshield many times. Also you could contaminate the paste as it will come off the stencil during the printing. From
Electronics Forum | Tue Jul 19 09:18:14 EDT 2011 | davef
Could this be an opportunity to explore the use of cartridge-type paste dispensers? Or maybe a reason to keep working over the weekend. * Re-Storing & Re-Using “Used” Solder Paste. Though not a recommended practice, used solder paste from the stenci
Electronics Forum | Wed Jul 20 08:40:27 EDT 2011 | mosborne1
Umar - This is usually seen when the lead frame in the die attach is cut with a diamond saw instead of a lasar. We have seen this problem years ago from HP 7 segment displays. If you have Enviromental box (tenney box) you can temp cycle them from 0 d
Electronics Forum | Thu Jul 28 21:32:06 EDT 2011 | rway
We are using 2.7.7. I have two M1 systems, but the sw is the same. I am not at work at the moment, but I will look tomorrow and let you know. On a side note, the conveyor will run continuously when in bypass mode. It does sound like you have a tra
Electronics Forum | Thu Aug 04 20:35:33 EDT 2011 | zywong
Hi All, I'm facing a problem is the PCBs are having delamination issue which after SMT reflow process & wave solder process. Dose anybody faced this issue before? The profile setting are correct settings. Some question i wonder: 1) Is that long time
Electronics Forum | Thu Aug 25 21:26:27 EDT 2011 | leadthree
Solderability could be an issue. We usually buy the IC and stock it for up to 9 month. This time the ICs was from a broker and the datecode was not the latest. This said, we use already a solder paste that contains watersoluble flux, which is suppos
Electronics Forum | Tue Aug 23 18:14:06 EDT 2011 | jlawson
vapor degreaseing has two main flavors mono solvent and co-solvent. the later being the best performance Yes can clean PCB and in many ways is best in cycle time and cleaning quality. Is batch machine based usually or automated batch if budgets all
Electronics Forum | Tue Aug 23 12:58:16 EDT 2011 | emeto
Hello everyone, we are contract manufacturer and I am wondering if we can save some time from inspection and verification. We will usually inspect the bare boards, then, verify program to BOM, then feeders to BOM and Feeders to program,then paste ins
