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[Moved]antenna substrate ( Teflon PTFE)

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Karrar Naji

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hi everyone ,
I am designing antenna and i want to choose teflon (PTFE) as a substrate epsilon 2.1 , the loss tangent 0.0002 but i don't the thickness and the suppliers for that one so can you help me with that ? also if this substrate has conductor or not?

thanks
 

thanks FvM
but i did not find PTFE epsilon 2.65 and loss tangent 0.0016 , is that comes with conductor or not ?
 

Pure PTFE isn't well suited as PCB substrate. Instead you would use one of the commercially available PTFE based substrates, e.g. from Rogers Corperation. See a product selector

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If you are asking about the Rogers substrates, review the complete product datasheets and catalogs. Copper cladded substrate is a standard product, available in different thickness.
 
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