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Conductor thickness in patch antennas

 
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somewhatconfused
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Joined: 01 May 2014
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PostPosted: Wed Oct 29, 2014 8:07 pm    Post subject: Conductor thickness in patch antennas Reply with quote

Hi there,

I was wondering what impact (if any) the conductor thickness has in a patch antenna. For example, will an antenna with a 1 mm thick aluminium radiating element have similar gain to the same antenna made with a 0.01 mm thick element of the same material?

I guess the thicker radiator has more charges sloshing about, so more sources of radiation in total, but the electrons on the interior are effectively shielded by the electrons on the surface of the material, so maybe only electrons on the surface contribute to the radiation?

Any help would be appreciated,

Thanks
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admin
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Joined: 03 Jan 2007
Posts: 210

PostPosted: Thu Oct 30, 2014 5:56 pm    Post subject: Reply with quote

Generally thickness does not matter because of skin effect
http://www.antenna-theory.com/definitions/skin-depth.php
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