Electronics Forum | Tue Sep 24 22:29:04 EDT 2002 | davef
First, I don't have a clear fix on the problem. Please drill-down to more detail. We appreciate that you probably don't know the parlance. Just describe what you have and then what you'd like to have. Second, most 0402 LED are fabricated just lik
Electronics Forum | Fri Sep 27 13:53:27 EDT 2002 | pr
We used it only for operator verification of placement accuracy, your boardhouse should be able to show you examples of what they look like. They basically outline the outside edge (corner)of the part so you have a visual, after placement (since you
Electronics Forum | Fri Sep 27 15:30:28 EDT 2002 | russ
greetings all Does anybody have any methods or recomendations for removing/reducing excessive voiding in BGAs that are already on board? Had a bad lot of paste and I believe that we are seeing some opens due to very large voids. Any and all input
Electronics Forum | Thu Oct 10 16:13:01 EDT 2002 | slthomas
"Do you work for Air-Vac or what?" My question as well. If so, it is my opinion that there is a need for some house cleaning, because dissing a competitor's product on this forum is gutter-dweller tactics. If not, can you (AJ, not Russ) provide so
Electronics Forum | Wed Oct 09 08:51:34 EDT 2002 | pjc
No, wouldn't want to, wouldn't be prudent. Best process I think is to solderpaste reflow the TSOP components then mask them for the wave. Mask using liquid type soldermask or a selective solder pallet. Or, if you must, the only way I can see any dece
Electronics Forum | Tue Oct 01 15:48:56 EDT 2002 | lysik
No problem. A standard stencil is OK. You want to print a half moon shape on each side of the hole. Make sure you print about X2 the size of your hole and make sure you keep the print in close to the hole. You want to print X2 the hole size as to hav
Electronics Forum | Fri Oct 18 09:50:02 EDT 2002 | russ
Steve, I am not aware of any standards so to speak. But IPC 782 and 770 have some useful info regarding mounting and pad geometries for wave etc... Since I do not know what type of components you will be wave soldering I will just give you some
Electronics Forum | Tue Oct 15 15:51:21 EDT 2002 | dragonslayr
Brian - a recent thread (early September) instigated by yours truly postulated on the "deep fried twinkie" experience. It seems to be a trend at the local county and Sate fair circuit. I hear rumors it all got started in Texas. I have actually tasted
Electronics Forum | Wed Oct 16 17:25:09 EDT 2002 | kenbliss
Since all seriousness seems to have disappeared on this thread. I can�t wait to see the new headline slogan Nepcon West 2002 the longest running assembly show, learn the latest techniques in PC board assembly, wave soldering, and frying twinkies.
Electronics Forum | Fri Oct 11 05:49:16 EDT 2002 | jason
Hi, Recently I am given a task to perform a drop test on a cardboard tote box. Inside is 180 pcs of assembled PCBA with cardboard dividers. But it was unable to withstand the drop test and thus the some of the boards are damaged. Does anyone ha
