RE: [SI-LIST] : Decoupling capacitors (again!)

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From: Barry Ma ([email protected])
Date: Thu Aug 17 2000 - 14:16:58 PDT


On Thu, 17 August 2000, "Moran, Brian P" wrote:
 
> Martin,
>
> While 2 mil "BC" cores are patented by HADCO, there is nothing wrong with
> using a layer stack that has 2 to 4 mil pre-preg between power and ground.
> This is not a core, but produces the same effect. You might be pushing it
> below 4 mils, because of the additional slop inherent in prepreg vs core,
> but you can accomplish the same effect.
>
> Brian Moran
> Intel Corp.
------------------
Brian,

Thanks for your note that 2 mil won't violate the paten law.

Well, what action would cross the line?

Barry

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