[PCB_FORUM] Re: hopefully question isn't silly
- From: Mike DeVita <mdevi@xxxxxxxxx>
- To: icu-pcb-forum@xxxxxxxxxxxxx
- Date: Tue, 16 Oct 2007 14:25:05 -0700
Hi Sam,
We use 5.8e7 for copper conductivity. You asked for loss tangent which is
a dielectric material property. the larger the conductivity the more
resistive the conductor is.
Mike DeVita
Staff Engineer,
Application and Characterization Engineering
VM 480 821-2408 ext 5021
EM mdevi@xxxxxxxxx
FAX 480 855-6345
Sent by: icu-pcb-forum-bounce@xxxxxxxxxxxxx
sjchar3
10/16/2007 02:20 PM
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[PCB_FORUM] Re: hopefully question isn't silly
found an answer, 59.6 X 10^6 but the tool has a default value to 595900, I
guess that will have to do.
-----Original Message-----
From: sjchar3@xxxxxxxxxxxx
To: icu-pcb-forum@xxxxxxxxxxxxx
Sent: Tue, 16 Oct 2007 2:15 pm
Subject: [PCB_FORUM] hopefully question isn't silly
Group: Setting up "Layout Cross Section" and the top layer is 1 oz copper.
In the same row it asks for conductivity, dielectric, loss tangent. Anyone
know the loss tangent for copper?
Sam
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