> From: "ArthurBrown" > I know that sounds daft but this was military hardware and in this piece > of kit all the via's had to be filled with Solder, again for what reason?. Maybe it was to restore some of the mechanical strength of the boards lost by the drilling? If so they're wasting their time. As anyone who's ever tried to tear a stamp from a sheet or a cheque from a stub can attest, the perforations are invariably the strongest part... . -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! use mailto:listserv@mitvma.mit.edu?body=SET%20PICList%20DIGEST