Hi,
Frequency we are working on (presently using Teflon material) is more than 
18 Ghz. 
I wander is there any substrate, other than ceramic or teflon that we only able
to work with such frequency..

Poh Kong Hui
Nera Electronics

 
----------------------------------------------------------------------------
---------
At 09:29 AM 7/3/96 +0730, you wrote:
>Hi Poh:
>
>        I am not sure what is the frequency you going to use,you might want
>to look at using ceramic as substrate. You can either use thin film or thick
>film technology to  
>make a module out of it.
>
>regards,
>
>Chan SL
> 
>At 07:49 AM 7/3/96 +0800, you wrote:
>>Dear Technet,
>>
>>I would like to know other than using Teflon material for RF board, is
>there any
>>other type of  material that has the same property (e.g good dielectric) as
>>teflon..
>>
>>We are looking for material which is rigid, since teflon is a bit too soft. 
>>
>>Thanks in Advance.
>>