> Hi Jinx, since I know you weld and are open > to quirky ideas, how about "metalising" the > ceramic surface by vaporising a copper wire > close to it? Like the inside of a badly blown > fuse, if you severely over-current a copper > wire it gives a very nice copper film on anything > near it. Wouldn't the copper oxidize rapidly as a high temperature vapor? Aluminum deposition for optical mirrors is done in a similar way, but in a vacuum. That also helps with coverage. ******************************************************************** Olin Lathrop, embedded systems consultant in Littleton Massachusetts (978) 742-9014, olin@embedinc.com, http://www.embedinc.com -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body