At Paul's request, I'm about to bounce an exchange of messages between me and Jim Fulton over the last day or two to the list. This is mainly for archive posterity; most people on the list now will have already seen these four messages. Greg -- Greg Ward - software developer gward@mems-exchange.org MEMS Exchange / CNRI voice: +1-703-262-5376 Reston, Virginia, USA fax: +1-703-262-5367