Electronics Forum | Wed May 26 13:30:58 EDT 1999 | JohnW
| we have just started wave soldering passive SMT components and through hole. We are having trouble with voids on the SMT components. It is very random, but effects a lot of TSOT's. We are using an electrovert with a chip wave. Are there any obv
Electronics Forum | Wed May 26 14:24:13 EDT 1999 | Boca
| | we have just started wave soldering passive SMT components and through hole. We are having trouble with voids on the SMT components. It is very random, but effects a lot of TSOT's. We are using an electrovert with a chip wave. Are there any o
Electronics Forum | Tue May 25 11:40:23 EDT 1999 | Steve Gregory
Just a note about cleaning stencils with a mixture of alcohol and water, especially if you're using no clean paste, it's really not recommended. Don't take my word for it, you can check with Alpha or most any other solderpaste vendor. What will actu
Electronics Forum | Mon May 24 17:17:21 EDT 1999 | JohnW
| | Can anyone steer me towards a supplier of heatsinks suitable for use on a PQFP 160. Before you shoot me down in flames, I know that I am not going to get much heat away from the die because of the plastic but the application is such that the boar
Electronics Forum | Tue May 25 11:31:57 EDT 1999 | Scott Cook
| | | | | | Any suggestions on how to maintain Adhesive dispensing nozzles??? They seem to plug up over night and it is starting to get on my nerves. We have tried leaving the nozzles in the machine, removing them and soaking in alcohol, blowing
Electronics Forum | Tue May 25 12:19:55 EDT 1999 | M Cox
| | | | | | | | | Any suggestions on how to maintain Adhesive dispensing nozzles??? They seem to plug up over night and it is starting to get on my nerves. We have tried leaving the nozzles in the machine, removing them and soaking in alcohol, bl
Electronics Forum | Fri May 21 12:24:21 EDT 1999 | KA Stillings
I normally handle the soldering issues for this facility but a question was asked of me -- What the H@## is this stuff and what is causing it? Was wondering of I could get some input from any Guru on plating issues. Need info ASAP!!!!!!!!!!!!!!!!!!!
Electronics Forum | Fri May 21 15:23:24 EDT 1999 | JohnW
| | Has anyone had any experience or data using vibration during the reflow process. | | We introduced a vibration device attached to the fixed rail on a Vitronics reflow oven. The reason was to prevent skewing on large PLCC devices. The process work
Electronics Forum | Fri May 21 04:03:46 EDT 1999 | Joe Manzur
John, Were doing an intrusive reflow process on a single sided board, where all the conventional parts are on the "top" of the board. Due to the nature of the board, and the kind of componets on it, we couldn't wave solder it. To keep it contai
Electronics Forum | Thu May 20 22:42:19 EDT 1999 | Dave F
| hi everybody, | We've been doing some studies on assembly of CSPs. We assembled these packages on micrivia-in-pad patterns. These are 15/13.5/11 mil pads with 6 mil design microvia, using photo/laser/plasma tech. We are seeing voids, as big as the
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