material loss tangent

Hi all:
where can I get the material loss tangent information ?
Any good website to find ?

thanks a lot

contact the manufactirer, read the technical data sheets, Search the web, the drill is obvious.

Some materials' loss tangent parameter are already in HFSS,that you can refer to.

Regards!

check these sites


www.microwaves101.com

http://www.mueps.com/vbeps.html

i think these will help u

u can check out sites o Rogers.com or go to www.grokkers.com