Polywell Patent

27 07 2010

In case anyone was wondering, this is the Polywell patent currently in effect:

BussardPatent08

UPDATE: Apparently, this is a patent application not a patent. It was rejected and has not been re-applied for… see comments.

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EMI Next Steps

27 07 2010

Got some great feedback from the community about fixing our EMI problem. In summary:

  1. Try Lifting the USB’s ground on one side or the other.
  2. The last faraday cage we use was likely steel, which can have enough resistance to pass radio frequency. Try aluminum faraday cage.
  3. Use USB cable with ferrite bead like this one Dave purchased:

I have an electronics chassis I’ve recycled to try as the next faraday cage:








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