Re: Mirror as ground plane

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Sujet : Re: Mirror as ground plane
De : bill.sloman (at) *nospam* ieee.org (Bill Sloman)
Groupes : sci.electronics.design
Date : 27. Nov 2024, 15:22:13
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Organisation : A noiseless patient Spider
Message-ID : <vi79us$1jfk$1@dont-email.me>
References : 1
User-Agent : Mozilla Thunderbird
On 28/11/2024 12:53 am, legg wrote:
 Anyone had experience using metalization on glass (mirror)
as a ground plane or shield?
None.

Any data on conductivity etc?
It's difficult to get much below 100ohm per square with metal layers. You can't get thinner than one atom thick, and while in theory the microcrystals of metal can offer a circuitious path, you are laying them down at random.
I made the mistake of asking for vacuum deposited layer of carbon with highish resistance, and got told off by the people who did it.
We ended up using a thick film layer of some very resistive metal oxide-based thick-film ink - about a micron of it.
--
Bill Sloman, Sydney

Date Sujet#  Auteur
27 Nov 24 * Mirror as ground plane22legg
27 Nov 24 +- Re: Mirror as ground plane1Martin Brown
27 Nov 24 +* Re: Mirror as ground plane2Bill Sloman
27 Nov 24 i`- Re: Mirror as ground plane1legg
27 Nov 24 +* Re: Mirror as ground plane10Phil Hobbs
27 Nov 24 i+* Re: Mirror as ground plane2legg
27 Nov 24 ii`- Re: Mirror as ground plane1Phil Hobbs
27 Nov 24 i`* Re: Mirror as ground plane7Joe Gwinn
27 Nov 24 i `* Re: Mirror as ground plane6John R Walliker
27 Nov 24 i  +- Re: Mirror as ground plane1Joe Gwinn
28 Nov 24 i  `* Re: Mirror as ground plane4Liz Tuddenham
28 Nov 24 i   `* Re: Mirror as ground plane3john larkin
28 Nov 24 i    `* Re: Mirror as ground plane2Liz Tuddenham
28 Nov 24 i     `- Re: Mirror as ground plane1john larkin
27 Nov 24 `* Re: Mirror as ground plane8john larkin
28 Nov 24  `* Re: Mirror as ground plane7legg
28 Nov 24   `* Re: Mirror as ground plane6john larkin
29 Nov 24    +- Re: Mirror as ground plane1Bill Sloman
29 Nov 24    `* Re: Mirror as ground plane4legg
29 Nov 24     `* Re: Mirror as ground plane3john larkin
30 Nov 24      `* Re: Mirror as ground plane2legg
30 Nov 24       `- Re: Mirror as ground plane1john larkin

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