Josh Koffman wrote: > On Fri, Jan 18, 2013 at 1:41 PM, Spehro Pefhany wrot= e: >> Nickel coating is often used commercially. >> >> Look at the difference in resistivity.. 250 ohms/x^2 vs. >> 0.6 ohms/x^2 for nickel- almost 3 orders of magnitude better. >> >> I guess you could coat it with carbon and electroplate it with >> copper. >=20 > Ok, that's what I thought, but I wasn't sure. I think electroplating > might be a bit much for a prototype, I'd probably just use copper > foil tape. It'd be tedious but not impossible. Here in Brazil I know places that do all kinds of electroplating, where I can throw in a piece or a few for a relatively small cost if they have a bath already set up. Maybe worth it to check your city for something like it, but I'm not sure whether these type of shops exist in the "first world". Gerhard --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .