Electronics Forum | Tue May 23 15:40:17 EDT 2000 | larry
We currently use both Humiseal and Conap with OA flux. The flux MUST me cleaned off the assembly before coating. I know that Humiseal has coatings that are compatiable with no cleans as long as your processes are defined properly before your coating
Electronics Forum | Fri Jan 26 13:26:30 EST 2007 | rw
We are developing a new product that requires conformal coating on the motor controller. We selected a silicone based conformal coat due to its ease of use. There has been disagreement among engineers as to its impact on the motor. We have contact
Electronics Forum | Wed Nov 20 16:47:10 EST 2013 | aaronpavone
I have a right angle male shrouded connector and the whole set of termination leads is tin lead plated, at least 100 microinches thick. Should the entirety of the lead be conformal coated? Or can we have just the joint coated? I know I have coated le
Electronics Forum | Mon Jan 29 20:25:24 EST 2007 | davef
We allow no silicone in our shop, because they ruin solderability.
Electronics Forum | Thu Feb 01 09:46:54 EST 2007 | blnorman
Especially VCM - volatile condensable materials. Strictly verboten around optics.
Electronics Forum | Tue Jan 30 14:12:12 EST 2007 | blnorman
We use nothing but silicones and have for at least the last 7 years. We don't have relays, but we do have motors. No issues with soldering, but our lines are constructed such that the last solder operation is a good distance from the coating or pot
Electronics Forum | Fri Jan 26 16:47:35 EST 2007 | electronhose
IMHO I would avoid sprayed silicones like the plague. They can travel around your facility and cause solder wetting issues that you will never know the root cause for. Also found this e-drive article on using silicones around motors and relays. Loo
Electronics Forum | Wed Jan 31 17:01:34 EST 2007 | rw
I'm not that concerned about the solderability of the motor. Our customer is concerned about the outgassing of the conformal coat effecting the motor brushes. Silicone will break down into SiO2 and SiC will result from a spark between the brushes a
Electronics Forum | Thu Aug 18 13:11:39 EDT 2005 | jsloot
We have our board house apply a peel coat mask that can be brushed off after wave or reflow. You need to brush off while it's still warm.
Electronics Forum | Tue Jan 30 18:34:56 EST 2007 | realchunks
Hose and/or Dave, Please elaborate of how the silicone can affect soldering. Material itself or fumes?