Hi, A way to avoid the effect of a plated-through hole is to make the module with a thin cooper ring as a pad in all layers. Then, place the holes before making any zones. When you trace the zones, you will get a hole being an island in your pcb. All layers of the hole will be connected among them, but isolated from any other signal.
If you have no zones or no signals touching the hole, there is no problem at all with metallization. Or you can polish the inner hole once you have got the pcb... Pedro. > They drill the board, run it through an electrode-less process that leaves > a VERY THIN layer of copper in the hole. Then they electroplate the entire > board with thicker copper which builds up a thicker layer of copper. > > This way ALL holes are plated through. If you need holes which ARE NOT > plated through they have to take the finished boards and re-drill the > holes. > > It is always better to accept holes as plated through is you can. > > Bob Kondner > > -----Original Message----- > From: [email protected] [mailto:[EMAIL PROTECTED] On > Behalf Of Chris Albertson > Sent: Monday, June 25, 2007 1:35 PM > To: [email protected] > Subject: Re: [kicad-users] mounting holes > > --- Pedro Martin <[EMAIL PROTECTED]> wrote: > > Be careful with metallization, there are pcb providers that will > > metallize the hole. > > So it can be avoided? I thought that because of the process all > holes got plated. I admit I don't know how they plate the holes. > > How do they plate the hole? > > > Chris Albertson > Home: 310-376-1029 [EMAIL PROTECTED] > Office: 310-336-5189 [EMAIL PROTECTED] > > > > ___________________________________________________________________________ >_ ________ > Choose the right car based on your needs. Check out Yahoo! Autos new Car > Finder tool. > http://autos.yahoo.com/carfinder/ > > > Please read the Kicad FAQ in the group files section before posting your > question. > Please post your bug reports here. They will be picked up by the creator of > Kicad. > Please visit http://www.kicadlib.org for details of how to contribute your > symbols/modules to the kicad library. > For building Kicad from source and other development questions visit the > kicad-devel group at http://groups.yahoo.com/group/kicad-devel > Yahoo! Groups Links
