Re: Mirror as ground plane

On Wed, 27 Nov 2024 14:24:20 -0000 (UTC), Phil Hobbs
<pcdhSpamMeSenseless@electrooptical.net> wrote:

legg <legg@nospam.magma.ca> wrote:

 
Anyone had experience using metalization on glass (mirror)
as a ground plane or shield?
 
Any data on conductivity etc?
 
RL
 

>
The best quality second-surface mirrors are coated with silver, followed by
copper plating and a coat of paint.  Those should be pretty good if you can
get wires on them.
>
Poorer ones have aluminum coatings around 2-3 nm thick and no plating. 
>
Cheers
>
Phil Hobbs

I think pressure contact will be good enough, so long as its renewed
regularly, maybe with a conductive grit.

Will have to treat the isolated glass surface with something to
reduce static, or stuff will start flying away at inconvenient
times.

RL