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Transparent Protective Coating for x band Frequency

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hosein_rabiee_g

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Hi
I make a patch Antenna for x band and I want to use a protective coating(Spray , ...) for it.
which material should i use?
 

biff44

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Terminator3

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Maybe two-layer board can be used in some cases. As dielectric thickness is known, calculations and simulations may be done. As a result - "invisible" inner-layer antenna. Altough it would be more expensive.
 

hosein_rabiee_g

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Maybe two-layer board can be used in some cases. As dielectric thickness is known, calculations and simulations may be done. As a result - "invisible" inner-layer antenna. Altough it would be more expensive.
I've made the Antenna and now just want to coat it.
 

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