Electronics Forum: pva/asymtek conformal coating system (Page 5 of 8)

Photo version: Conformal Coating that doesn't require fancy equipment

Electronics Forum | Tue Jul 28 17:44:03 EDT 1998 | Brian Stumm

| Steve, | I know it is tempting to go for the cheapest method of applying conformal coatings but I must warn you. If you are a contract manufacturer then you don't want to limit yourself in the types of coatings you can work with. Just as soon as yo

Re: Conformal Coating that doesn't require fancy equipment...

Electronics Forum | Sat Jul 25 11:11:09 EDT 1998 | Mike Moninger

| Be consistant on: | 1 Keeping the coating material thinned. | 2 Using the same dipping motion on each board. Amen on thinning the coating, and you might also be concerned about the curing mechanism for the coating. Moisture-cured and 2 component

Conformal Coating that doesn't require fancy equipment...

Electronics Forum | Thu Jul 23 22:50:38 EDT 1998 | Steve Gregory

Hey youse guyz... We're finally getting our first real job at the start-up I'm working at. It's actually a pretty unique little board too. Simple as all get out, but unique. You're not gonna believe what this goes into...guess? (I bet ya' you'll neve

Conformal Coat Thickness

Electronics Forum | Mon Jul 23 16:21:54 EDT 2007 | mleber

We have used many ways of measuring but all are either messy, inconsistent or time consuming. We have done wet, glass slide dry, etc. We are currently using a kapton tape dot system. Spray the board, remove the dot and measure it, subtract the thick

Potting/Conformal Coating

Electronics Forum | Thu Feb 25 14:52:52 EST 2016 | tombstonesmt

How thick are their requirements? A barrier can be made using peelable latex. That would then require manual or automatic dispense of latex to create a dam. Then you should be able to use an automated dispense system with a large orifice and flood

Looking for a good solvent for peelable mask

Electronics Forum | Mon Jul 24 15:50:51 EDT 2023 | proceng1

I am going to be using a pressurized dispenser for Chemtronics CM1 peelable mask. I need to find a solvent that will work for flushing the system. I tried Xylene that we have here and it does ok, but not as good as I'd hoped. It works very well fo

Re: Curing oven

Electronics Forum | Wed Jun 24 13:26:39 EDT 1998 | Brian @ ETS

Dear Upinder, While reading the posts at the SMTnet forum I noticed your post pertaining to Curing ovens for use with Conformal Coatings which require regulated relative humidity to activate the cure. My company, ETS, is the manufacturer of Nordson's

Re: Parylene Coating of Plastic Parts

Electronics Forum | Fri Aug 06 07:18:48 EDT 1999 | Graham Naisbitt

| | | | | Has anyone out there tried to parylene coat plastic parts prior to soldering them to a pcb? I'm looking at several potential applications where fewer than 5% of my components on a pcb are plastic, yet from a reliability aspect (environmenta

100nF 0805 ceramic cap with 25 Ohm resistance? Why?

Electronics Forum | Tue Jun 29 14:55:22 EDT 2010 | rgduval

For the capacitors that Yageo analyzed... Were they taken out at representative points in the process?? ie. were samples taken from pre-assembly, pre-ICT, post-conformal coat, post-final test? You note that the parts 'seem' to be ok up to ICT. And

Conformal coat material dispensed through epoxy needle?

Electronics Forum | Tue Feb 07 12:26:14 EST 2017 | westshoredesign

Oh yeah, so we have a auger valve similar to that on one of our other machines that we use for dispensing SMT glue, and solder paste also. We have a conditioner that we flush it with at EOD when in use, then we just let it sit idle with the condition


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