Electronics Forum | Wed Apr 04 16:54:58 EDT 2007 | pjc
Maybe more baking time is needed. Topside board temp too low. Moisture trapped in board. Top of through hole capped by component and trapping flux. http://www.speedlinetech.com/electrovert/electrovert-troubleshooting/index.htm
Electronics Forum | Wed Apr 04 17:40:39 EDT 2007 | davef
Rob: How do you rework blow-holes and pin-holes? PTH plating thickness SB 1 thou or greater. Epoxy is hydroscopic. So, you should control the environment and/or bake the moisture from the boards before soldering. Search the fine SMTnet Archives f
Electronics Forum | Wed Apr 04 19:25:58 EDT 2007 | TB
Dear All, anyone has experienced with thin layer of immersion tin (about 5 microns) on copper pads in term of long term reliability for first or second reliability studies. Any input will be greatly appriciated.. Thanks.
Electronics Forum | Thu Apr 05 11:43:35 EDT 2007 | Colleen
i just did a report on damaged boards from this kind of treatment. Components get rubbed off - sometimes the component just breaks, but often they take pad and track with them.
Electronics Forum | Thu Apr 05 23:12:09 EDT 2007 | Brandon
I have seen these types of defects, but the finger has been pointed at the end of the oven in SMT. Which is also very possible. I like the screwdriver idea. Thanks, B
Electronics Forum | Thu Apr 05 08:57:47 EDT 2007 | ck_the_flip
Which placement equipment in the market can handle boards that are 21" (539.5mm for you fuzzy foreigners) or more?
Electronics Forum | Thu Apr 05 09:11:05 EDT 2007 | wrongway
im looking at a universal spec that says there advantis ax72 machine can go up to 25" board length with special kit
Electronics Forum | Thu Apr 05 15:00:40 EDT 2007 | gregp
The C5/C5d from Contact Systems can do more than 27" without loss of feeder capacity or throughput.
Electronics Forum | Mon Apr 09 09:12:04 EDT 2007 | pr
Sup, pix machine width you need props dawg! Dats how we roll on the east coast! Holla pr
Electronics Forum | Tue Apr 10 13:30:42 EDT 2007 | ck_the_flip
Yes, that is indeed fact. You are a very intelligent, funny, handsome, man-of-the world! Thanks for the enlightenment.
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