On Fri, May 05, 2006 at 11:58:38AM -0400, Darrell Harmon wrote: > What is a good way to expose a ground plane for mounting a shield?
http://ronja.twibright.com/twister2/pcb.php CL< > I have a board which needs to be very well shielded, and am planning > on making a machined aluminum plate with compartments for each > section of the circuit. The board will screw to this instead of > standoffs. What is a good way to clear the soldermask in strips so > that the aluminum can be in contact with the copper? > > PCB won't let me convert a polygon to an element. It will not allow > traces wider than 250 mils, so creating the pattern with traces is > not a good option. Is there any way to use one of the spare layers > as a mask keepout layer? The only way I see right now to make it > work is to create several traces side by side in the larger areas. > > -- > Darrell Harmon > http://dlharmon.com