Electronics Forum: chris shea (Page 1 of 1)

Re: Flux sprayer set up

Electronics Forum | Mon Dec 20 17:02:39 EST 1999 | Dave F

Charlie: There's a lot of background setting-up fluxers (including sprayers) in the archives. Chris Shea wrote a paper that's in the library (or where ever SMTnet stores stuff like that) that is pretty good. Good luck. Dave F

via under a smd pad ?

Electronics Forum | Fri Nov 23 16:32:05 EST 2007 | davef

There a several things you can do to prevent the solder wicking down the hole with the current design, and that's where you should focus. Cost goes up as you go down the list, but in neither case do you need to respin the board, have solder starvatio

Re: wave solder

Electronics Forum | Mon Jun 12 22:02:48 EDT 2000 | Dave F

Jason: Wave soldering is the coolest thing!!!! First, so, what�s the chemical analysis of this white res? Can you point us to either tin, rosin, or something else? Second, how do you know that you are making these white residues? Could your boar

Glue Dispense Process Control

Electronics Forum | Fri Aug 10 13:52:58 EDT 2001 | davef

When you say that glue viscosity changes for lot to lot, is this LOT TO LOT of your product OR Loctite�s product? And when you say that glue viscosity changes, what do you mean [eg, increase by � , decrease by � , er watt?]. What specifically is th

adhesive on pads

Electronics Forum | Sat Mar 30 17:27:45 EST 2002 | davef

You should not have glue "all over the place." Tou should not have glue on solderable surfaces. It sounds like you are stringing glue from one dispense location to the next. Search the fine SMTnet Archives [there might be something there]. Read a


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