Re: [Newsletter] Surface Roughness

Hi Thomas,,

These links should be of help 
http://scholarcommons.sc.edu/cgi/viewcontent.cgi?article=3964&context=etd
http://lamsimenterprises.com/White_Paper-Practical_Method_for_Modeling_Conductor_Surface_Roughness_Using_The_Cannonball_Stack-Principle-v2.0.pdf

Regards
Ck.,


-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On 
Behalf Of Thomas John
Sent: Tuesday, May 10, 2016 10:35 AM
To: si-list@xxxxxxxxxxxxx
Subject: [Newsletter] [SI-LIST] Surface Roughness

Hi folks,
I would like to know if there is any study out there which explains the 
correlation between surface roughness and loss at higher frequencies.
Trying to match the S-parameter from VNA measurements with simulated 
measurements and I believe playing around with surface roughness should help me 
narrow the gap between the two.
If there are papers/articles out there which explain how to best model surface 
roughness without have to do the actual cross section of the board, that will 
be great.
-Thomas J


ckselvaraj 4 years 4 months 8 days

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