On Fri, Aug 29, 2014 at 7:51 AM, Jerry Biehlerwrote: > If you need a vacuum feedthrough use a spark plug. A sparkplug has been mentioned elsewhere to me, the problem is that it is quite large compared to the space available. I've only got about an inch or inch-and-a-half to work with and need at least 3 wires to begin... tapping holes also sounds harder than jamming a rubber stopper! _______________________________________________ Hosted by the MEMS and Nanotechnology Exchange, the country's leading provider of MEMS and Nanotechnology design and fabrication services. Visit us at http://www.mems-exchange.org Want to advertise to this community? See http://www.memsnet.org To unsubscribe: http://mail.mems-exchange.org/mailman/listinfo/mems-talk