well, certain Rogers materials have an even higher surface resistance than PTFE, and are the preferred choice in that case.
> Gesendet: Donnerstag, 06. April 2017 um 06:38 Uhr > Von: "Attila Kinali" <[email protected]> > An: [email protected] > Betreff: [volt-nuts] PCBs with ceramic substrates > > Moin, > > I recently wondered, why people around voltage metrology hardly > talk about ceramic substrates (Al2O3, AlN, ...) for PCBs. > They have surface resistivity that is as high as PTFE, have > higher thermal conductivity, lower thermal expansion (AlN is > even pretty close to Si). So, why then does it hardly ever get > mentioned? Is it the cost of those? Or is there something I am > missing? > > Attila Kinali > > -- > You know, the very powerful and the very stupid have one thing in common. > They don't alters their views to fit the facts, they alter the facts to > fit the views, which can be uncomfortable if you happen to be one of the > facts that needs altering. -- The Doctor > _______________________________________________ > volt-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there. > _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
