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From: Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net>
Newsgroups: sci.electronics.design
Subject: Re: Mirror as ground plane
Date: Wed, 27 Nov 2024 14:24:20 -0000 (UTC)
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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 



-- 
Dr Philip C D Hobbs  Principal Consultant  ElectroOptical Innovations LLC /
Hobbs ElectroOptics  Optics, Electro-optics, Photonics, Analog Electronics