Homebrew PCBs

On 15/03/2012 17:21, sailingto wrote:
> I had wondered about the photo etch method and if it had this problem.

It will have if you use a laser printer to create the transparencies. 
You must use an inkjet printer.

>
> The mesh method is mentioned - do you mean use a very fine mesh pattern
> for the solid ground plane? I'm not sure how to do this in Eagle or
> ExpressPCB programs. Sounds like a good idea - mesh fine enough it
> "looks" solid on transfer?

It's more a "cross-hatch" pattern than a mesh, using, say, diagonal 
lines at right angles, with something like 10/10 mil lines. The Pulsonix 
software I use has a cross-hatch option for copper pour and power/ground 
planes.

Leon
-- 
Leon Heller
G1HSM