[volt-nuts] PCBs with ceramic substrates

[cheater00 cheater00]

Hi Attilla,
My #1 worry would be fragility.

On Thu, 6 Apr 2017 06:39 Attila Kinali, <attila at kinali.ch> wrote:

> 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
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