Electronics Forum | Fri Mar 04 15:22:17 EST 2005 | russ
Glad to hear a little success from ya Duckmann! i have stenciled mask in the past and I can tell you that stencils are expensive. They are basically a step stencil, you will need full thickness for the area(s) you are going to apply mask and you wi
Electronics Forum | Fri Mar 04 17:19:31 EST 2005 | davef
Mrduckmann2000: Why do you want to do this? * Removing a non-washable / peelable temporary solder resist [TSR] is going become very tedious, because they do not release well from small / tight / isolated features. * Clay from washable resists will
Electronics Forum | Sun Mar 06 20:08:38 EST 2005 | mrduckmann2000
Davef, You have a good question. If we had perfect design engineers out there that would use the proper component spacing and not put SMT parts between and around thru-hole parts - glue and wave would work perfectly. I have done this with great su
Electronics Forum | Mon Mar 07 11:26:29 EST 2005 | mrduckmann2000
Pete, I was speaking to the Electrovert/Speedline/Camalot/Gemini factory tech's and App Eng's. I now have new machine files which slowed the pumps down to half speed, I have several needles....all of which still will not place a small enough dot.
Electronics Forum | Mon Mar 07 10:14:31 EST 2005 | jmedernach
Cellular and PDA architectures employ this technology all the time. You have to be careful with your board supplier as well as with your plugging approach. Leave the via unplugged, I guarantee voids in the solder joint. That leaves us with, "how d
Electronics Forum | Fri Apr 01 01:26:17 EST 2005 | Marv
A couple of things.. 1) The problem is more than likely on the magazine board itself (TC2), most likely the pal chip that stores the serial number and feeder information (you could swap this with a working magazine to verify) 2) The magazine connecto
Electronics Forum | Mon Mar 07 22:23:40 EST 2005 | mrduckmann2000
Ken, You nailed it! We have a Electrovert Vectra wave solder machine that will erupt solder all over the place while heating up, we had to disable the timer because of all the solder splatering. Electrovert told us that our machine had a small des
Electronics Forum | Mon Mar 07 09:14:04 EST 2005 | Rob
Hi does anyone have any experience of running Sn 99 Cu0.7 Ag 0.3 solder in their waves? Also is there any reliabilty data available? I think it may also be called C7A3. All I can find is a brief mention in a table in IEC 61190-1-3 2004, and on a pr
Electronics Forum | Tue Mar 08 09:56:05 EST 2005 | caldon
Tim- You have two separate issues 1) Stencils and 2) wave. Stencils you can purchase a ultrasonic system that will remove the paste automatically or you can use stencil wipes to remove it manually. I would refrain from using towels and IPA as it dilu
Electronics Forum | Wed Mar 09 08:23:31 EST 2005 | davef
We don't have experience on this, but first we'd talk to a technical type at our solder paste supplier. Baring that, we'd: * Soak a paper towel in a 'solvent' [ie Kyzen XJN, EnviroSense Enviro Gold, Petroferm Hydrex, etc]. * Place the towel in conta
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