Electronics Forum | Wed Sep 15 22:43:24 EDT 2004 | davef
Just to help convince those on the fence that we don't know dip: 2221A, 4.5.1 tells you the vias have to be tented on both sides.
Electronics Forum | Thu Sep 16 15:01:13 EDT 2004 | russ
You may want to either open up the bottom of the vias so they will not "volcano". Or you will want to seal both sides. It never works having one side of the vias masked and the other open with HASL. Russ
Electronics Forum | Sat Sep 18 08:26:10 EDT 2004 | davef
Carol: If you would have problems both covering the via and keeping mask from the BGA pads, maybe you via are too close to the pads. Maybe some of the IPC pad design guidelines would help.
Electronics Forum | Wed Sep 15 07:33:20 EDT 2004 | RB
Has anyone have any experience whit making SMT-programs whit Valor. I mean is it possible to make one that is 100% fitted for a smt-line?
Electronics Forum | Wed Sep 15 11:38:21 EDT 2004 | Rob
Hi Sue, We have a Micromat Router & a Sony Router which we use for Rigid & flexi rigid. We use a press for Flex only (or where flex is joining the boards) & a scoring machine for other rigids. Hope that helps, Rob.
Electronics Forum | Wed Sep 15 23:00:36 EDT 2004 | pdeuel
if opens in same aria check for mask to via coverage for that pad. We had vias pulling solder from pad. We did not have totally opens but capalry from via was as strong as capalry to ball / pad creating small joint aria.
Electronics Forum | Fri Sep 17 09:31:17 EDT 2004 | russ
Step stencils are used but only when necessary. One reason to use one would be a PCB with 12 mil pitch and very large coils or something of that nature. The 12 mil pitch part would require a 4 mil thick stencil to ensure release while it would caus
Electronics Forum | Fri Sep 17 13:13:22 EDT 2004 | starbillias
I would contact Transition Automation. If they do not currently make this squeegee, they will be able to retrofit. You may have to supply them with some specs. 978-670-5500 Good luck
Electronics Forum | Fri Sep 17 18:45:07 EDT 2004 | russ
Get ahold of symbol technologies. They have scanners that you can mount to anything. You should be able to mount it on a conveyor with a bracket that allows you to slide it back and forth and rotate as required in about 10 sec. Russ
Electronics Forum | Mon Sep 20 13:29:19 EDT 2004 | mlogic
Does anyone have software for a Ragen 3600 cut and clinch machine? Thank you Kevin B mlogic2 at adelphia dot net
