I needed it too to make a good heat dissipation area below a TO220 part. To do it, the only way I know is exporting the soldermask .ps file to .sk with pstoedit, opening it with sketch, then I draw a rectangle in white color where I need it. It is not a good way because I cant draw with some precision. I made some like this to not have soldermask in a line, so when it go to solderwave machine, it receives solder and can drive a lot more current over it. Again, I did it with sketch.
A good way was to make soldermask visible (the red one in PCB) and when selectin a tool like line, polygon or rectangle, it subtracts the soldermask with the need drawed polygon (or line). Another important issue is to make the soldermask not completely red, but with some transparency, like the option that have the pcb rc file... The problem is that I have no idea on how to make it, because I know nothing about programming... On Mon, 15 Dec 2003 18:35:56 -0500 Dan McMahill <[EMAIL PROTECTED]> wrote: > Hi, > > Anyone know if there is a way in PCB to manually specify the soldermask > relief for a part? In particular, I'm interested in a footprint which > requires that the soldermask be removed everywhere within a certain > bounding box around the footprint. > > Thanks > -Dan > > -- >
