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July 2009

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Subject:
From:
Pete Houwen <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Pete Houwen <[log in to unmask]>
Date:
Thu, 30 Jul 2009 08:27:48 -0500
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We have one engineer, an analog kind of guy, who likes to insist hatching is 
better for EMI.  He can't say why.  But most of our designs are RF, solid 
planes have turned out to be critical.  Trying make sure all those microvias get 
a good solid connection, and don't split up the planes, means you need a small 
enough hatch, you might as well make it solid and stop worrying.  

Gary brought me back to the days when, just for kicks, I would take other 
guy's designs and remove all of their vias, just to prove I could do it.  I've 
gotten help, I'm cured, a thousand vias is nothing anymore.  But that memory 
made me feel old until Richard brought up soldering with iron sticks.

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