Electronics Forum | Thu May 27 22:29:14 EDT 1999 | Mike Flori
Does anyone have a suggestion for a UV resistant black potting material? The material recommended by a local vendor turned gray in a couple of months in the sun here in Florida. We are using L.E.D.'s in a small housing (about 1.2" cube) and need to s
Electronics Forum | Fri May 21 10:16:31 EDT 1999 | Parvez
Dave, i tried reflowing bare boards with only solder printed on em and no component placed. we still got voids as same as when components were placed. so atleast one of that theories(voids due to component/component placement)could be considered to b
Electronics Forum | Sun May 16 12:04:58 EDT 1999 | Earl Moon
| We are currently evaluating our standard list of PCB fabrication specifications. It has been awhile, & they need updating. | | I would like to see what others in the industry are using so that we could compare, and utilize what others are doing,
Electronics Forum | Fri May 14 18:34:28 EDT 1999 | Earl Moon
| What is the best way to re-ball a BGA? Who has the best system for doing it? | I'm using our SRT rework stuff to reball in house - when necessary. Of course, we only do this for protos and test boards. We use a standard micro-stencil, after clean
Electronics Forum | Fri May 14 13:12:35 EDT 1999 | Steve Skinner
| I am looking for anyone who has converted over to VOC Free flux. I need some info on any problems, etc. that you might have had. | | Please E-mail me at wes.ruggles@vickers-systems.com or call at (513) 494-5229 | | Thanks | Wes Ruggles | Dear W
Electronics Forum | Fri May 14 16:24:35 EDT 1999 | Chrys Shea
| | I am looking for anyone who has converted over to VOC Free flux. I need some info on any problems, etc. that you might have had. | | | | Please E-mail me at wes.ruggles@vickers-systems.com or call at (513) 494-5229 | | | | Thanks | | Wes Ruggl
Electronics Forum | Mon Apr 26 12:16:45 EDT 1999 | Justin Medernach
| Hey Guys! | | Look what I get to try and do this week! I got handed a cardboard box on Friday afternoon with the parts and 20 of these little jewels! That's both sides of the board by the way... | | Whoever laid this out, I'd like to go and do a
Electronics Forum | Mon Apr 26 17:32:32 EDT 1999 | Scott McKee
| Hey Guys! | | Look what I get to try and do this week! I got handed a cardboard box on Friday afternoon with the parts and 20 of these little jewels! That's both sides of the board by the way... | | Whoever laid this out, I'd like to go and do a
Electronics Forum | Thu Apr 22 10:57:20 EDT 1999 | Jack Coia
On various PCB's after building processes,such as reflow, flowsolder and wash. The soldermask on the PCB's have become discoloured, like a 'marble' effect all along the solder side of the board, it is lighter in contrast than normal, although when ot
Electronics Forum | Wed Apr 21 15:27:24 EDT 1999 | Murray Pulman
Hi Scotty sorry to stir things up but we assemble some seriously high value boards on a contract basis with vias through bga pads. However, not blind vias, so there are no cleaning issues & we use 6 though stencils to provide a little extra paste t
