I don't know what staking is, and I think they are trying to avoid masking/demasking. The goal is to spray everything except the mounting holes and a few exposed metal areas that we are using for thermal reasons. I was told I need to leave an "overspray zone" as neutral territory between those two types of areas On Wed, Dec 6, 2017 at 9:12 AM, Tan Geok Ang <[log in to unmask]> wrote: > Staking? Masking / De-masking? > > ------------------------------ > > *From:* Jack Olson <[log in to unmask]> > *Date:* 6 December 2017 at 10:48:41 PM SGT > *To:* [log in to unmask] <[log in to unmask]> > *Subject:* [TN] IPC-CC-830 (Conformal Coat) > > What should a designer use as an "overspray zone" for conformal coating? > I would like to keep components and vias away from areas that will NOT be > coated. > I don't know why 3mm sticks in my mind, but I can't find anything in > IPC-CC-830 about it > (including the new Working Draft) > I also downloaded the new Conformal Coat ebook from 007 and can't find it > there, either! >