About Skin Depth with pcb RO4350B
时间：03-30
整理：3721RD
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Hi every one. i'm have question about Skin Depth.
http://www.rfcafe.com/references/cal...calculator.htm
in this link i use pcb RO4350B it say resistivity = 1.2 x 10^10 M*ohm*cm
transfer to equation resistivity = 1.2 x 10^10 u*ohm*cm right?
it that true?
but i think resistivity = 0.012 u*ohm*cm.
Thank.
http://www.rfcafe.com/references/cal...calculator.htm
in this link i use pcb RO4350B it say resistivity = 1.2 x 10^10 M*ohm*cm
transfer to equation resistivity = 1.2 x 10^10 u*ohm*cm right?
it that true?
but i think resistivity = 0.012 u*ohm*cm.
Thank.
RO4350B is the dielectric.
What you need for the skin depth is the conductivity of the metal plating -> copper.
Copper is listed in the table that you have linked to: 1.69 μΩ×cm.
oh! i see.
Copper
-------------------
RO4350B (dielectric)
--------------------
Copper
that right?
Thank you again...
Yes, that's correct.
If you are interested in more details, here is a description of the copper foils for Rogers substrates:
http://www.rogerscorp.com/search/?q=copper%20foils
thank you very much