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topic 5909

Researching Microwave Reflective Coatings for Dish Antenna.



I am looking for a cost effective method of applying a microwave reflective coating to a small parabolic dish.

Aluminum and Copper come to mind, but would require a protective coating to guard against oxidation.

I am aware of sputtering, and arc spraying, but again, protective coating would be needed, and equipment cost is very high.

Electroless nickel, I suppose would work, but haven't researched yet.

Any Ideas or comments would be very much appreciated.


Joe Johnson
- Sanford, Maine USA


What is your parabolic dish made of? If you can copper coat it, copper is not really reactive and you could maybe get away with spraying a lacquer coat on it, depending upon length of service. I don't know what quality your looking for, so this might be way too low for you - line your dish with aluminium foil?

Ian Brooke
university - Glasgow, Scotland

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