SANTA CLARA PROCESS I still see the Santa Clara process referenced in some company procurement documents. I was as Rudy stated a process patented by some guys from Santa Clara and involved applying a second coat of resist over the pattern plated copper and usually tin-nickel, imaging and plating only the lands with tin-lead or tin. I believe the patent was dated 1978 or therabouts. I was a little known patent and manufacturers unknownly used the process or variations of it for many years before and after the patent was granted. At any rate the patent holders never wanted to or requested licensing fee from other users. Phil Hinton [log in to unmask] *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * ***************************************************************************