[SI-LIST] On the effect of solder mask on Zo

  • From: "Grasso, Charles" <Charles.Grasso@xxxxxxxxxxxx>
  • To: "'si-list@xxxxxxxxxxxxx'" <si-list@xxxxxxxxxxxxx>
  • Date: Fri, 13 Feb 2004 08:49:29 -0700

Its about 3ohms per mil. The upper limit is 7mils at this point the
soldermask is essentially infinite. Quite significant I would think.
 

Source : Verifying the accuracy of 2S solvers on Zo Calculation - Dr Eric
Bogatin.

Slides available from the GigaTest website : http://www.gigatest.com
<http://www.gigatest.com/> 

 

 

 

Best Regards
Charles Grasso
Senior Compliance Engineer
Echostar Communications Corp.
Tel:  303-706-5467
Fax: 303-799-6222
Cell: 303-204-2974
Email: charles.grasso@xxxxxxxxxxxx; <mailto:charles.grasso@xxxxxxxxxxxx;
%20>   
Email Alternate: chasgrasso@xxxxxxxx <mailto:chasgrasso@xxxxxxxx> 

 

 



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