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Old 6th November 2002, 01:51 AM   #1
mltaunt is offline mltaunt  United States
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Default wood/metal laminate for case

I'm thinking of making material for a case by laminating a sheet of aluminium to a sheet of 1/2" plywood. Would this give me the same protection from RF interference as a metal case?
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Old 6th November 2002, 02:01 AM   #2
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Check this thread. Mu-metal is abest material for shielding, and at the offered price it is almost a steal.
Mumetal For Sale
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Old 6th November 2002, 03:08 AM   #3
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As near as I remember from my 'waves and fields' EE class, where we actually worked the math, I don't think it matters as long as it's a conductor, and it completly coveres the object. "Covers" means no openings smaller than the wavelength you want to contain.

The reason microwave ovens have holes in the screen, is that the microwaves can't get through, but light can.

That's how I remember which way wavelength goes - light is a higher frequency (MUCH!) than the microwaves; you can see through, but the microwaves can't.

Wouldn't mind someone else commenting though.
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Old 7th November 2002, 04:24 PM   #4
mltaunt is offline mltaunt  United States
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[QUOTE]Originally posted by jgwinner
[B]As near as I remember from my 'waves and fields' EE class, where we actually worked the math, I don't think it matters as long as it's a conductor, and it completly coveres the object. "Covers" means no openings smaller than the wavelength you want to contain.

Do you mean no holes larger?
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Old 7th November 2002, 05:30 PM   #5
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Yep, that would make more sense
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Old 7th November 2002, 05:48 PM   #6
dhaen is offline dhaen  Europe
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Mumetal is best used for magnetic sheilding.
Any conductive material can be assembled into an effective Faraday cage.

Blunt eh?
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